Genes and molecular mechanisms promoting probiotic activity of lactic acid bacteria from Western Balkan

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Genes and molecular mechanisms promoting probiotic activity of lactic acid bacteria from Western Balkan (en)
Изучавање гена и молекуларних механизама у основи пробиотичке активности бактерија млечне киселине изолованих са подручја западног Балкана (sr)
Izučavanje gena i molekularnih mehanizama u osnovi probiotičke aktivnosti bakterija mlečne kiseline izolovanih sa područja zapadnog Balkana (sr_RS)
Authors

Publications

C-protein alpha-antigen modulates the lantibiotic thusin resistance in Streptococcus agalactiae

Mirković, Nemanja; Obradović, Mina; O'Connor, Paula M.; Filipić, Brankica; Jovčić, Branko; Cotter, Paul D.; Kojić, Milan

(Springer, Dordrecht, 2021)

TY  - JOUR
AU  - Mirković, Nemanja
AU  - Obradović, Mina
AU  - O'Connor, Paula M.
AU  - Filipić, Brankica
AU  - Jovčić, Branko
AU  - Cotter, Paul D.
AU  - Kojić, Milan
PY  - 2021
UR  - https://imagine.imgge.bg.ac.rs/handle/123456789/1429
UR  - http://intor.torlakinstitut.com/handle/123456789/706
AB  - Screening for producers of potent antimicrobial peptides, resulted in the isolation of Bacillus cereus BGNM1 with strong antimicrobial activity against Listeria monocytogenes. Genome sequence analysis revealed that BGNM1 contains the gene cluster associated with the production of the lantibiotic, thusin, previously identified in B. thuringiensis. Purification of the antimicrobial activity confirmed that strain BGMN1 produces thusin. Both thusin sensitive and resistant strains were detected among clinical isolates of Streptococcus agalactiae. Random mutagenesis of a thusin sensitive strain, S. agalactiae B782, was performed in an attempt to identify the receptor protein for thusin. Three independent thusin resistant mutants were selected and their complete genomes sequenced. Comparative sequence analysis of these mutants with the WT strain revealed that duplication of a region encoding a 79 amino acids repeat in a C-protein alpha-antigen was a common difference, suggesting it to be responsible for increased resistance to thusin. Since induced thusin resistant mutants showed higher level of resistance than the naturally resistant B761 strain, complete genome sequencing of strain B761 was performed to check the integrity of the C-protein alpha-antigen-encoding gene. This analysis revealed that this gene is deleted in B761, providing further evidence that this protein promotes interaction of the thusin with receptor.
PB  - Springer, Dordrecht
T2  - Antonie Van Leeuwenhoek International Journal of General and Molecular Microbiology
T1  - C-protein alpha-antigen modulates the lantibiotic thusin resistance in Streptococcus agalactiae
EP  - 1607
IS  - 10
SP  - 1595
VL  - 114
DO  - 10.1007/s10482-021-01626-3
ER  - 
@article{
author = "Mirković, Nemanja and Obradović, Mina and O'Connor, Paula M. and Filipić, Brankica and Jovčić, Branko and Cotter, Paul D. and Kojić, Milan",
year = "2021",
abstract = "Screening for producers of potent antimicrobial peptides, resulted in the isolation of Bacillus cereus BGNM1 with strong antimicrobial activity against Listeria monocytogenes. Genome sequence analysis revealed that BGNM1 contains the gene cluster associated with the production of the lantibiotic, thusin, previously identified in B. thuringiensis. Purification of the antimicrobial activity confirmed that strain BGMN1 produces thusin. Both thusin sensitive and resistant strains were detected among clinical isolates of Streptococcus agalactiae. Random mutagenesis of a thusin sensitive strain, S. agalactiae B782, was performed in an attempt to identify the receptor protein for thusin. Three independent thusin resistant mutants were selected and their complete genomes sequenced. Comparative sequence analysis of these mutants with the WT strain revealed that duplication of a region encoding a 79 amino acids repeat in a C-protein alpha-antigen was a common difference, suggesting it to be responsible for increased resistance to thusin. Since induced thusin resistant mutants showed higher level of resistance than the naturally resistant B761 strain, complete genome sequencing of strain B761 was performed to check the integrity of the C-protein alpha-antigen-encoding gene. This analysis revealed that this gene is deleted in B761, providing further evidence that this protein promotes interaction of the thusin with receptor.",
publisher = "Springer, Dordrecht",
journal = "Antonie Van Leeuwenhoek International Journal of General and Molecular Microbiology",
title = "C-protein alpha-antigen modulates the lantibiotic thusin resistance in Streptococcus agalactiae",
pages = "1607-1595",
number = "10",
volume = "114",
doi = "10.1007/s10482-021-01626-3"
}
Mirković, N., Obradović, M., O'Connor, P. M., Filipić, B., Jovčić, B., Cotter, P. D.,& Kojić, M.. (2021). C-protein alpha-antigen modulates the lantibiotic thusin resistance in Streptococcus agalactiae. in Antonie Van Leeuwenhoek International Journal of General and Molecular Microbiology
Springer, Dordrecht., 114(10), 1595-1607.
https://doi.org/10.1007/s10482-021-01626-3
Mirković N, Obradović M, O'Connor PM, Filipić B, Jovčić B, Cotter PD, Kojić M. C-protein alpha-antigen modulates the lantibiotic thusin resistance in Streptococcus agalactiae. in Antonie Van Leeuwenhoek International Journal of General and Molecular Microbiology. 2021;114(10):1595-1607.
doi:10.1007/s10482-021-01626-3 .
Mirković, Nemanja, Obradović, Mina, O'Connor, Paula M., Filipić, Brankica, Jovčić, Branko, Cotter, Paul D., Kojić, Milan, "C-protein alpha-antigen modulates the lantibiotic thusin resistance in Streptococcus agalactiae" in Antonie Van Leeuwenhoek International Journal of General and Molecular Microbiology, 114, no. 10 (2021):1595-1607,
https://doi.org/10.1007/s10482-021-01626-3 . .
3
1
1

Diversity of non-starter lactic acid bacteria in autochthonous dairy products from Western Balkan Countries - Technological and probiotic properties

Terzić-Vidojević, Amarela; Veljović, Katarina; Tolinački, Maja; Živković, Milica; Lukić, Jovanka; Lozo, Jelena; Fira, Đorđe; Jovčić, Branko; Strahinić, Ivana; Begović, Jelena; Popović, Nikola; Miljković, Marija; Kojić, Milan; Topisirović, Ljubiša; Golić, Nataša

(Elsevier, Amsterdam, 2020)

TY  - JOUR
AU  - Terzić-Vidojević, Amarela
AU  - Veljović, Katarina
AU  - Tolinački, Maja
AU  - Živković, Milica
AU  - Lukić, Jovanka
AU  - Lozo, Jelena
AU  - Fira, Đorđe
AU  - Jovčić, Branko
AU  - Strahinić, Ivana
AU  - Begović, Jelena
AU  - Popović, Nikola
AU  - Miljković, Marija
AU  - Kojić, Milan
AU  - Topisirović, Ljubiša
AU  - Golić, Nataša
PY  - 2020
UR  - http://intor.torlakinstitut.com/handle/123456789/733
AB  - The aim of this review was to summarize the data regarding diversity of non-starter lactic acid bacteria (NSLAB) isolated from various artisanal dairy products manufactured in Western Balkan Countries. The dairy products examined were manufactured from raw cow's, sheep's or goat's milk or mixed milk, in the traditional way without the addition of commercial starter cultures. Dairy products such as white brined cheese, fresh cheese, hard cheese, yogurt, sour cream and kajmak were sampled in the households of Serbia, Croatia, Slovenia, Bosnia and Herzegovina, Montenegro, and North Macedonia. It has been established that the diversity of lactic acid bacteria (LAB) from raw milk artisanal dairy products is extensive. In the reviewed literature, 28 LAB species and a large number of strains belonging to the Lactobacillus, Lactococcus, Enterococcus, Streptococcus, Pediococcus, Leuconostoc and Weissella genera were isolated from various dairy products. Over 3000 LAB strains were obtained and characterized for their technological and probiotic properties including: acidification and coagulation of milk, production of aromatic compounds, proteolytic activity, bacteriocins production and competitive exclusion of pathogens, production of exopolysaccharides, aggregation ability and immunomodulatory effect. Results show that many of the isolated NSLAB strains had one, two or more of the properties mentioned. The data presented emphasize the importance of artisanal products as a valuable source of NSLAB with unique technological and probiotic features important both as a base for scientific research as well as for designing novel starter cultures for functional dairy food.
PB  - Elsevier, Amsterdam
T2  - Food Research International
T1  - Diversity of non-starter lactic acid bacteria in autochthonous dairy products from Western Balkan Countries - Technological and probiotic properties
VL  - 136
DO  - 10.1016/j.foodres.2020.109494
ER  - 
@article{
author = "Terzić-Vidojević, Amarela and Veljović, Katarina and Tolinački, Maja and Živković, Milica and Lukić, Jovanka and Lozo, Jelena and Fira, Đorđe and Jovčić, Branko and Strahinić, Ivana and Begović, Jelena and Popović, Nikola and Miljković, Marija and Kojić, Milan and Topisirović, Ljubiša and Golić, Nataša",
year = "2020",
abstract = "The aim of this review was to summarize the data regarding diversity of non-starter lactic acid bacteria (NSLAB) isolated from various artisanal dairy products manufactured in Western Balkan Countries. The dairy products examined were manufactured from raw cow's, sheep's or goat's milk or mixed milk, in the traditional way without the addition of commercial starter cultures. Dairy products such as white brined cheese, fresh cheese, hard cheese, yogurt, sour cream and kajmak were sampled in the households of Serbia, Croatia, Slovenia, Bosnia and Herzegovina, Montenegro, and North Macedonia. It has been established that the diversity of lactic acid bacteria (LAB) from raw milk artisanal dairy products is extensive. In the reviewed literature, 28 LAB species and a large number of strains belonging to the Lactobacillus, Lactococcus, Enterococcus, Streptococcus, Pediococcus, Leuconostoc and Weissella genera were isolated from various dairy products. Over 3000 LAB strains were obtained and characterized for their technological and probiotic properties including: acidification and coagulation of milk, production of aromatic compounds, proteolytic activity, bacteriocins production and competitive exclusion of pathogens, production of exopolysaccharides, aggregation ability and immunomodulatory effect. Results show that many of the isolated NSLAB strains had one, two or more of the properties mentioned. The data presented emphasize the importance of artisanal products as a valuable source of NSLAB with unique technological and probiotic features important both as a base for scientific research as well as for designing novel starter cultures for functional dairy food.",
publisher = "Elsevier, Amsterdam",
journal = "Food Research International",
title = "Diversity of non-starter lactic acid bacteria in autochthonous dairy products from Western Balkan Countries - Technological and probiotic properties",
volume = "136",
doi = "10.1016/j.foodres.2020.109494"
}
Terzić-Vidojević, A., Veljović, K., Tolinački, M., Živković, M., Lukić, J., Lozo, J., Fira, Đ., Jovčić, B., Strahinić, I., Begović, J., Popović, N., Miljković, M., Kojić, M., Topisirović, L.,& Golić, N.. (2020). Diversity of non-starter lactic acid bacteria in autochthonous dairy products from Western Balkan Countries - Technological and probiotic properties. in Food Research International
Elsevier, Amsterdam., 136.
https://doi.org/10.1016/j.foodres.2020.109494
Terzić-Vidojević A, Veljović K, Tolinački M, Živković M, Lukić J, Lozo J, Fira Đ, Jovčić B, Strahinić I, Begović J, Popović N, Miljković M, Kojić M, Topisirović L, Golić N. Diversity of non-starter lactic acid bacteria in autochthonous dairy products from Western Balkan Countries - Technological and probiotic properties. in Food Research International. 2020;136.
doi:10.1016/j.foodres.2020.109494 .
Terzić-Vidojević, Amarela, Veljović, Katarina, Tolinački, Maja, Živković, Milica, Lukić, Jovanka, Lozo, Jelena, Fira, Đorđe, Jovčić, Branko, Strahinić, Ivana, Begović, Jelena, Popović, Nikola, Miljković, Marija, Kojić, Milan, Topisirović, Ljubiša, Golić, Nataša, "Diversity of non-starter lactic acid bacteria in autochthonous dairy products from Western Balkan Countries - Technological and probiotic properties" in Food Research International, 136 (2020),
https://doi.org/10.1016/j.foodres.2020.109494 . .
47
42

Diversity of non-starter lactic acid bacteria in autochthonous dairy products from Western Balkan Countries - Technological and probiotic properties

Terzić-Vidojević, Amarela; Veljović, Katarina; Tolinački, Maja; Živković, Milica; Lukić, Jovanka; Lozo, Jelena; Fira, Đorđe; Jovčić, Branko; Strahinić, Ivana; Begović, Jelena; Popović, Nikola; Miljković, Marija; Kojić, Milan; Topisirović, Ljubiša; Golić, Nataša

(Elsevier, Amsterdam, 2020)

TY  - JOUR
AU  - Terzić-Vidojević, Amarela
AU  - Veljović, Katarina
AU  - Tolinački, Maja
AU  - Živković, Milica
AU  - Lukić, Jovanka
AU  - Lozo, Jelena
AU  - Fira, Đorđe
AU  - Jovčić, Branko
AU  - Strahinić, Ivana
AU  - Begović, Jelena
AU  - Popović, Nikola
AU  - Miljković, Marija
AU  - Kojić, Milan
AU  - Topisirović, Ljubiša
AU  - Golić, Nataša
PY  - 2020
UR  - http://intor.torlakinstitut.com/handle/123456789/732
AB  - The aim of this review was to summarize the data regarding diversity of non-starter lactic acid bacteria (NSLAB) isolated from various artisanal dairy products manufactured in Western Balkan Countries. The dairy products examined were manufactured from raw cow's, sheep's or goat's milk or mixed milk, in the traditional way without the addition of commercial starter cultures. Dairy products such as white brined cheese, fresh cheese, hard cheese, yogurt, sour cream and kajmak were sampled in the households of Serbia, Croatia, Slovenia, Bosnia and Herzegovina, Montenegro, and North Macedonia. It has been established that the diversity of lactic acid bacteria (LAB) from raw milk artisanal dairy products is extensive. In the reviewed literature, 28 LAB species and a large number of strains belonging to the Lactobacillus, Lactococcus, Enterococcus, Streptococcus, Pediococcus, Leuconostoc and Weissella genera were isolated from various dairy products. Over 3000 LAB strains were obtained and characterized for their technological and probiotic properties including: acidification and coagulation of milk, production of aromatic compounds, proteolytic activity, bacteriocins production and competitive exclusion of pathogens, production of exopolysaccharides, aggregation ability and immunomodulatory effect. Results show that many of the isolated NSLAB strains had one, two or more of the properties mentioned. The data presented emphasize the importance of artisanal products as a valuable source of NSLAB with unique technological and probiotic features important both as a base for scientific research as well as for designing novel starter cultures for functional dairy food.
PB  - Elsevier, Amsterdam
T2  - Food Research International
T1  - Diversity of non-starter lactic acid bacteria in autochthonous dairy products from Western Balkan Countries - Technological and probiotic properties
VL  - 136
DO  - 10.1016/j.foodres.2020.109494
ER  - 
@article{
author = "Terzić-Vidojević, Amarela and Veljović, Katarina and Tolinački, Maja and Živković, Milica and Lukić, Jovanka and Lozo, Jelena and Fira, Đorđe and Jovčić, Branko and Strahinić, Ivana and Begović, Jelena and Popović, Nikola and Miljković, Marija and Kojić, Milan and Topisirović, Ljubiša and Golić, Nataša",
year = "2020",
abstract = "The aim of this review was to summarize the data regarding diversity of non-starter lactic acid bacteria (NSLAB) isolated from various artisanal dairy products manufactured in Western Balkan Countries. The dairy products examined were manufactured from raw cow's, sheep's or goat's milk or mixed milk, in the traditional way without the addition of commercial starter cultures. Dairy products such as white brined cheese, fresh cheese, hard cheese, yogurt, sour cream and kajmak were sampled in the households of Serbia, Croatia, Slovenia, Bosnia and Herzegovina, Montenegro, and North Macedonia. It has been established that the diversity of lactic acid bacteria (LAB) from raw milk artisanal dairy products is extensive. In the reviewed literature, 28 LAB species and a large number of strains belonging to the Lactobacillus, Lactococcus, Enterococcus, Streptococcus, Pediococcus, Leuconostoc and Weissella genera were isolated from various dairy products. Over 3000 LAB strains were obtained and characterized for their technological and probiotic properties including: acidification and coagulation of milk, production of aromatic compounds, proteolytic activity, bacteriocins production and competitive exclusion of pathogens, production of exopolysaccharides, aggregation ability and immunomodulatory effect. Results show that many of the isolated NSLAB strains had one, two or more of the properties mentioned. The data presented emphasize the importance of artisanal products as a valuable source of NSLAB with unique technological and probiotic features important both as a base for scientific research as well as for designing novel starter cultures for functional dairy food.",
publisher = "Elsevier, Amsterdam",
journal = "Food Research International",
title = "Diversity of non-starter lactic acid bacteria in autochthonous dairy products from Western Balkan Countries - Technological and probiotic properties",
volume = "136",
doi = "10.1016/j.foodres.2020.109494"
}
Terzić-Vidojević, A., Veljović, K., Tolinački, M., Živković, M., Lukić, J., Lozo, J., Fira, Đ., Jovčić, B., Strahinić, I., Begović, J., Popović, N., Miljković, M., Kojić, M., Topisirović, L.,& Golić, N.. (2020). Diversity of non-starter lactic acid bacteria in autochthonous dairy products from Western Balkan Countries - Technological and probiotic properties. in Food Research International
Elsevier, Amsterdam., 136.
https://doi.org/10.1016/j.foodres.2020.109494
Terzić-Vidojević A, Veljović K, Tolinački M, Živković M, Lukić J, Lozo J, Fira Đ, Jovčić B, Strahinić I, Begović J, Popović N, Miljković M, Kojić M, Topisirović L, Golić N. Diversity of non-starter lactic acid bacteria in autochthonous dairy products from Western Balkan Countries - Technological and probiotic properties. in Food Research International. 2020;136.
doi:10.1016/j.foodres.2020.109494 .
Terzić-Vidojević, Amarela, Veljović, Katarina, Tolinački, Maja, Živković, Milica, Lukić, Jovanka, Lozo, Jelena, Fira, Đorđe, Jovčić, Branko, Strahinić, Ivana, Begović, Jelena, Popović, Nikola, Miljković, Marija, Kojić, Milan, Topisirović, Ljubiša, Golić, Nataša, "Diversity of non-starter lactic acid bacteria in autochthonous dairy products from Western Balkan Countries - Technological and probiotic properties" in Food Research International, 136 (2020),
https://doi.org/10.1016/j.foodres.2020.109494 . .
47
42

Benzimidazole-based dual dipeptidyl peptidase-4 and xanthine oxidase inhibitors

Tomović, Katarina; Ilić, Budimir S.; Smelcerović, Zaklina; Miljković, Marija; Yancheva, Denitsa; Kojić, Milan; Mavrova, Anelia Ts; Kocić, Gordana; Smelcerović, Andrija

(Elsevier Ireland Ltd, Clare, 2020)

TY  - JOUR
AU  - Tomović, Katarina
AU  - Ilić, Budimir S.
AU  - Smelcerović, Zaklina
AU  - Miljković, Marija
AU  - Yancheva, Denitsa
AU  - Kojić, Milan
AU  - Mavrova, Anelia Ts
AU  - Kocić, Gordana
AU  - Smelcerović, Andrija
PY  - 2020
UR  - https://imagine.imgge.bg.ac.rs/handle/123456789/1376
UR  - http://intor.torlakinstitut.com/handle/123456789/699
AB  - Multiple-targeting compounds might reduce complex polypharmacy of multifactorial diseases, such as diabetes, and contribute to the greater therapeutic success. Targeting reactive oxygen species-producing enzymes, as xanthine oxidase (XO), might suppress progression of diabetes-associated vascular complications. In this study a small series of benzimidazole derivatives (1-9) was evaluated for inhibitory activity against dipeptidyl peptidase-4 (DPP-4) and XO. One 1,3-disubstituted-benzimidazole-2-imine (5) and 1,3-thiazolo [3,2-a] benzimidazolone derivative (8) were shown as effective dual DPP-4 and XO inhibitors, with IC50 values lower than 200 mu M, and predicted binding modes with both target enzymes. Both selected dual inhibitors (compounds 5 and 8) did not show cytotoxicity to a greater extent on Caco-2 cells even at concentration of 250 mu M. These structures represent new non-purine scaffolds bearing two therapeutic functionalities, being DPP-4 and XO inhibitors, more favorable in comparison to DPP-4 inhibitors with DPP-4 as a single target due to pleiotropic effects of XO inhibition.
PB  - Elsevier Ireland Ltd, Clare
T2  - Chemico-Biological Interactions
T1  - Benzimidazole-based dual dipeptidyl peptidase-4 and xanthine oxidase inhibitors
VL  - 315
DO  - 10.1016/j.cbi.2019.108873
ER  - 
@article{
author = "Tomović, Katarina and Ilić, Budimir S. and Smelcerović, Zaklina and Miljković, Marija and Yancheva, Denitsa and Kojić, Milan and Mavrova, Anelia Ts and Kocić, Gordana and Smelcerović, Andrija",
year = "2020",
abstract = "Multiple-targeting compounds might reduce complex polypharmacy of multifactorial diseases, such as diabetes, and contribute to the greater therapeutic success. Targeting reactive oxygen species-producing enzymes, as xanthine oxidase (XO), might suppress progression of diabetes-associated vascular complications. In this study a small series of benzimidazole derivatives (1-9) was evaluated for inhibitory activity against dipeptidyl peptidase-4 (DPP-4) and XO. One 1,3-disubstituted-benzimidazole-2-imine (5) and 1,3-thiazolo [3,2-a] benzimidazolone derivative (8) were shown as effective dual DPP-4 and XO inhibitors, with IC50 values lower than 200 mu M, and predicted binding modes with both target enzymes. Both selected dual inhibitors (compounds 5 and 8) did not show cytotoxicity to a greater extent on Caco-2 cells even at concentration of 250 mu M. These structures represent new non-purine scaffolds bearing two therapeutic functionalities, being DPP-4 and XO inhibitors, more favorable in comparison to DPP-4 inhibitors with DPP-4 as a single target due to pleiotropic effects of XO inhibition.",
publisher = "Elsevier Ireland Ltd, Clare",
journal = "Chemico-Biological Interactions",
title = "Benzimidazole-based dual dipeptidyl peptidase-4 and xanthine oxidase inhibitors",
volume = "315",
doi = "10.1016/j.cbi.2019.108873"
}
Tomović, K., Ilić, B. S., Smelcerović, Z., Miljković, M., Yancheva, D., Kojić, M., Mavrova, A. T., Kocić, G.,& Smelcerović, A.. (2020). Benzimidazole-based dual dipeptidyl peptidase-4 and xanthine oxidase inhibitors. in Chemico-Biological Interactions
Elsevier Ireland Ltd, Clare., 315.
https://doi.org/10.1016/j.cbi.2019.108873
Tomović K, Ilić BS, Smelcerović Z, Miljković M, Yancheva D, Kojić M, Mavrova AT, Kocić G, Smelcerović A. Benzimidazole-based dual dipeptidyl peptidase-4 and xanthine oxidase inhibitors. in Chemico-Biological Interactions. 2020;315.
doi:10.1016/j.cbi.2019.108873 .
Tomović, Katarina, Ilić, Budimir S., Smelcerović, Zaklina, Miljković, Marija, Yancheva, Denitsa, Kojić, Milan, Mavrova, Anelia Ts, Kocić, Gordana, Smelcerović, Andrija, "Benzimidazole-based dual dipeptidyl peptidase-4 and xanthine oxidase inhibitors" in Chemico-Biological Interactions, 315 (2020),
https://doi.org/10.1016/j.cbi.2019.108873 . .
10
13

Benzimidazole-based dual dipeptidyl peptidase-4 and xanthine oxidase inhibitors

Tomović, Katarina; Ilić, Budimir S.; Smelcerović, Zaklina; Miljković, Marija; Yancheva, Denitsa; Kojić, Milan; Mavrova, Anelia Ts; Kocić, Gordana; Smelcerović, Andrija

(Elsevier Ireland Ltd, Clare, 2020)

TY  - JOUR
AU  - Tomović, Katarina
AU  - Ilić, Budimir S.
AU  - Smelcerović, Zaklina
AU  - Miljković, Marija
AU  - Yancheva, Denitsa
AU  - Kojić, Milan
AU  - Mavrova, Anelia Ts
AU  - Kocić, Gordana
AU  - Smelcerović, Andrija
PY  - 2020
UR  - https://imagine.imgge.bg.ac.rs/handle/123456789/1376
UR  - http://intor.torlakinstitut.com/handle/123456789/698
AB  - Multiple-targeting compounds might reduce complex polypharmacy of multifactorial diseases, such as diabetes, and contribute to the greater therapeutic success. Targeting reactive oxygen species-producing enzymes, as xanthine oxidase (XO), might suppress progression of diabetes-associated vascular complications. In this study a small series of benzimidazole derivatives (1-9) was evaluated for inhibitory activity against dipeptidyl peptidase-4 (DPP-4) and XO. One 1,3-disubstituted-benzimidazole-2-imine (5) and 1,3-thiazolo [3,2-a] benzimidazolone derivative (8) were shown as effective dual DPP-4 and XO inhibitors, with IC50 values lower than 200 mu M, and predicted binding modes with both target enzymes. Both selected dual inhibitors (compounds 5 and 8) did not show cytotoxicity to a greater extent on Caco-2 cells even at concentration of 250 mu M. These structures represent new non-purine scaffolds bearing two therapeutic functionalities, being DPP-4 and XO inhibitors, more favorable in comparison to DPP-4 inhibitors with DPP-4 as a single target due to pleiotropic effects of XO inhibition.
PB  - Elsevier Ireland Ltd, Clare
T2  - Chemico-Biological Interactions
T1  - Benzimidazole-based dual dipeptidyl peptidase-4 and xanthine oxidase inhibitors
VL  - 315
DO  - 10.1016/j.cbi.2019.108873
ER  - 
@article{
author = "Tomović, Katarina and Ilić, Budimir S. and Smelcerović, Zaklina and Miljković, Marija and Yancheva, Denitsa and Kojić, Milan and Mavrova, Anelia Ts and Kocić, Gordana and Smelcerović, Andrija",
year = "2020",
abstract = "Multiple-targeting compounds might reduce complex polypharmacy of multifactorial diseases, such as diabetes, and contribute to the greater therapeutic success. Targeting reactive oxygen species-producing enzymes, as xanthine oxidase (XO), might suppress progression of diabetes-associated vascular complications. In this study a small series of benzimidazole derivatives (1-9) was evaluated for inhibitory activity against dipeptidyl peptidase-4 (DPP-4) and XO. One 1,3-disubstituted-benzimidazole-2-imine (5) and 1,3-thiazolo [3,2-a] benzimidazolone derivative (8) were shown as effective dual DPP-4 and XO inhibitors, with IC50 values lower than 200 mu M, and predicted binding modes with both target enzymes. Both selected dual inhibitors (compounds 5 and 8) did not show cytotoxicity to a greater extent on Caco-2 cells even at concentration of 250 mu M. These structures represent new non-purine scaffolds bearing two therapeutic functionalities, being DPP-4 and XO inhibitors, more favorable in comparison to DPP-4 inhibitors with DPP-4 as a single target due to pleiotropic effects of XO inhibition.",
publisher = "Elsevier Ireland Ltd, Clare",
journal = "Chemico-Biological Interactions",
title = "Benzimidazole-based dual dipeptidyl peptidase-4 and xanthine oxidase inhibitors",
volume = "315",
doi = "10.1016/j.cbi.2019.108873"
}
Tomović, K., Ilić, B. S., Smelcerović, Z., Miljković, M., Yancheva, D., Kojić, M., Mavrova, A. T., Kocić, G.,& Smelcerović, A.. (2020). Benzimidazole-based dual dipeptidyl peptidase-4 and xanthine oxidase inhibitors. in Chemico-Biological Interactions
Elsevier Ireland Ltd, Clare., 315.
https://doi.org/10.1016/j.cbi.2019.108873
Tomović K, Ilić BS, Smelcerović Z, Miljković M, Yancheva D, Kojić M, Mavrova AT, Kocić G, Smelcerović A. Benzimidazole-based dual dipeptidyl peptidase-4 and xanthine oxidase inhibitors. in Chemico-Biological Interactions. 2020;315.
doi:10.1016/j.cbi.2019.108873 .
Tomović, Katarina, Ilić, Budimir S., Smelcerović, Zaklina, Miljković, Marija, Yancheva, Denitsa, Kojić, Milan, Mavrova, Anelia Ts, Kocić, Gordana, Smelcerović, Andrija, "Benzimidazole-based dual dipeptidyl peptidase-4 and xanthine oxidase inhibitors" in Chemico-Biological Interactions, 315 (2020),
https://doi.org/10.1016/j.cbi.2019.108873 . .
10
13

Lactobacillus salivarius BGHO1 and Lactobacillus reuteri BGGO6-55 modify nutritive profile of Artemia franciscana nauplii in a strain ratio, dose and application timing-dependent manner

Lukić, Jovanka; Stanisavljević, Nemanja; Vukotić, Goran; Kosanović, Dejana; Terzić-Vidojević, Amarela; Begović, Jelena; Golić, Nataša; Jeney, Galina; Ljubobratović, Uroš

(Elsevier, Amsterdam, 2020)

TY  - JOUR
AU  - Lukić, Jovanka
AU  - Stanisavljević, Nemanja
AU  - Vukotić, Goran
AU  - Kosanović, Dejana
AU  - Terzić-Vidojević, Amarela
AU  - Begović, Jelena
AU  - Golić, Nataša
AU  - Jeney, Galina
AU  - Ljubobratović, Uroš
PY  - 2020
UR  - http://intor.torlakinstitut.com/handle/123456789/569
AB  - This study aimed to analyze an impact of Lactobacillus salivarius BGHO1 and Lactobacillus reuteri BGGO6-55 supplemented to Anemia franciscana cultivation medium on biochemical profile of hatched nauplii. Impacts of different BGHO1:BGGO6-55 ratios (75:25, 50:50 and 25:75) and their total concentrations (250 and 500 g/kg of Anemia cysts) at different timings of bacteria application (pre- and post-hatching) were examined. The effects were evaluated by quantification of naupliar peptide, soluble protein, phospho-, neutral and unsaturated lipid content. Uni and multifactorial analysis of variance (ANOVA) were used to estimate the effects of treatments relative to control and to model factor interactions, respectively Statistical analysis indicated that posthatching application of 75:25 strain ratio at high dose was associated with an increase of neutral lipid amount. Furthermore, factor interaction profiling identified positive correlation of lacto-bacilli concentration with the level of free amino acids/short peptides, phospho-, neutral and unsaturated lipids, but only at 50:50 strain ratio combination. Application of lower lactobacilli dose at 75:25 strain ratio caused an increase of soluble protein and phospholipid amount. Hypothetically, graded response of Artemia nauplii to lactobacilli supplementation was induced with different BGHO1 doses. It assumedly ranged from stress-response protein synthesis at lower doses to membrane permeability alterations and triglyceride-mediated defense mechanism activation at higher BGHO1 doses. In contrast to lactobacilli supplementation after Anemia hatching, pre-hatching application of lactobacilli was not associated with an increase of Anemia nutritive profile, though again there was a positive association of lactobacilli concentration with nutrient amount. This implicates interference of lactobacilli with the hatching process. Results presented here facilitate the design of future studies aiming to modify Artemia nutritive profile in accordance with nutritional demands of cultivated fish species.
PB  - Elsevier, Amsterdam
T2  - Animal Feed Science and Technology
T1  - Lactobacillus salivarius BGHO1 and Lactobacillus reuteri BGGO6-55 modify nutritive profile of Artemia franciscana nauplii in a strain ratio, dose and application timing-dependent manner
VL  - 259
DO  - 10.1016/j.anifeedsci.2019.114356
ER  - 
@article{
author = "Lukić, Jovanka and Stanisavljević, Nemanja and Vukotić, Goran and Kosanović, Dejana and Terzić-Vidojević, Amarela and Begović, Jelena and Golić, Nataša and Jeney, Galina and Ljubobratović, Uroš",
year = "2020",
abstract = "This study aimed to analyze an impact of Lactobacillus salivarius BGHO1 and Lactobacillus reuteri BGGO6-55 supplemented to Anemia franciscana cultivation medium on biochemical profile of hatched nauplii. Impacts of different BGHO1:BGGO6-55 ratios (75:25, 50:50 and 25:75) and their total concentrations (250 and 500 g/kg of Anemia cysts) at different timings of bacteria application (pre- and post-hatching) were examined. The effects were evaluated by quantification of naupliar peptide, soluble protein, phospho-, neutral and unsaturated lipid content. Uni and multifactorial analysis of variance (ANOVA) were used to estimate the effects of treatments relative to control and to model factor interactions, respectively Statistical analysis indicated that posthatching application of 75:25 strain ratio at high dose was associated with an increase of neutral lipid amount. Furthermore, factor interaction profiling identified positive correlation of lacto-bacilli concentration with the level of free amino acids/short peptides, phospho-, neutral and unsaturated lipids, but only at 50:50 strain ratio combination. Application of lower lactobacilli dose at 75:25 strain ratio caused an increase of soluble protein and phospholipid amount. Hypothetically, graded response of Artemia nauplii to lactobacilli supplementation was induced with different BGHO1 doses. It assumedly ranged from stress-response protein synthesis at lower doses to membrane permeability alterations and triglyceride-mediated defense mechanism activation at higher BGHO1 doses. In contrast to lactobacilli supplementation after Anemia hatching, pre-hatching application of lactobacilli was not associated with an increase of Anemia nutritive profile, though again there was a positive association of lactobacilli concentration with nutrient amount. This implicates interference of lactobacilli with the hatching process. Results presented here facilitate the design of future studies aiming to modify Artemia nutritive profile in accordance with nutritional demands of cultivated fish species.",
publisher = "Elsevier, Amsterdam",
journal = "Animal Feed Science and Technology",
title = "Lactobacillus salivarius BGHO1 and Lactobacillus reuteri BGGO6-55 modify nutritive profile of Artemia franciscana nauplii in a strain ratio, dose and application timing-dependent manner",
volume = "259",
doi = "10.1016/j.anifeedsci.2019.114356"
}
Lukić, J., Stanisavljević, N., Vukotić, G., Kosanović, D., Terzić-Vidojević, A., Begović, J., Golić, N., Jeney, G.,& Ljubobratović, U.. (2020). Lactobacillus salivarius BGHO1 and Lactobacillus reuteri BGGO6-55 modify nutritive profile of Artemia franciscana nauplii in a strain ratio, dose and application timing-dependent manner. in Animal Feed Science and Technology
Elsevier, Amsterdam., 259.
https://doi.org/10.1016/j.anifeedsci.2019.114356
Lukić J, Stanisavljević N, Vukotić G, Kosanović D, Terzić-Vidojević A, Begović J, Golić N, Jeney G, Ljubobratović U. Lactobacillus salivarius BGHO1 and Lactobacillus reuteri BGGO6-55 modify nutritive profile of Artemia franciscana nauplii in a strain ratio, dose and application timing-dependent manner. in Animal Feed Science and Technology. 2020;259.
doi:10.1016/j.anifeedsci.2019.114356 .
Lukić, Jovanka, Stanisavljević, Nemanja, Vukotić, Goran, Kosanović, Dejana, Terzić-Vidojević, Amarela, Begović, Jelena, Golić, Nataša, Jeney, Galina, Ljubobratović, Uroš, "Lactobacillus salivarius BGHO1 and Lactobacillus reuteri BGGO6-55 modify nutritive profile of Artemia franciscana nauplii in a strain ratio, dose and application timing-dependent manner" in Animal Feed Science and Technology, 259 (2020),
https://doi.org/10.1016/j.anifeedsci.2019.114356 . .
3
2
3

The effect of live and inert feed treatment with lactobacilli on weaning success in intensively reared pike-perch larvae

Ljubobratović, Uroš; Kosanović, Dejana; Demeny, Ferenc Zoltan; Krajcsovics, Adrienn; Vukotić, Goran; Stanisavljević, Nemanja; Golić, Nataša; Jeney, Galina; Lukić, Jovanka

(Elsevier, Amsterdam, 2020)

TY  - JOUR
AU  - Ljubobratović, Uroš
AU  - Kosanović, Dejana
AU  - Demeny, Ferenc Zoltan
AU  - Krajcsovics, Adrienn
AU  - Vukotić, Goran
AU  - Stanisavljević, Nemanja
AU  - Golić, Nataša
AU  - Jeney, Galina
AU  - Lukić, Jovanka
PY  - 2020
UR  - http://intor.torlakinstitut.com/handle/123456789/562
AB  - Weaning to inert diet in intensively reared pike-perch larvae is confronted with significant fish loss, which prevents successful commercialization of pike-perch production. Achievement of satisfactory feed quality and effective assimilation of nutrients by larval fish is the major challenge in larval production process. Aim of this study was to evaluate whether treatment of live and inert feed with lactobacilli could alleviate growth retardation associated with early weaning of pike-perch reared in recirculating system. Weaning started on 18th day post-hatching (DPH) either as sudden weaning (SW) or by co-administration of Anemia for six days (gradual weaning, GW). Prior to administration to fish, Anemia was treated with Lactobacillus salivarius BGHO1/Lb. reuteri BGGO6-55, while inert feed was treated with Lb. paracasei subsp. paracasei BGHN14/Lb. rhamnosus BGT10. Treatment with lactobacilli slightly raised neutral lipid level in Anemia nauplii, but significantly reduced their content in dry feed. Fish were sampled on the 24th DPH. Survival, morphometric indices, skeleton differentiation, digestive enzyme activity and opportunistic pathogenic bacteria level were assessed in whole fish specimens. GW fish were presented with better survival, body growth and phospholipase A2 (PLA2) activity. Alongside, Vibrio spp. growth was suppressed in these fish and skeleton development was improved, according to Alizarin Red staining and ColIA1/Sparc mRNA expression data. Lactobacilli application in GW fish correlated with an increase of survival, condition factor and growth rate, according to trypsin and chymotrypsin activities, indicating better utilization of dietary proteins for muscle building. In SW fish, lactobacilli elevated chymotrypsin activity, PLA2 to lipase activity ratio and improved survival and ossification, as evident from Alizarin Red staining and ColIA1/Sparc mRNA expression. This indicated improved fatty acid absorption and control of metamorphosis process. Furthermore, lactobacilli suppressed Vibrio spp. growth in SW fish. Aside from demonstrating the ability of lactobacilli to aid weaning in pike-perch larvae, this study indicated that different types of food treatment may direct fish growth in a predictable manner, allowing further cost-effective improvements of larval pike-perch rearing in intensive system.
PB  - Elsevier, Amsterdam
T2  - Aquaculture
T1  - The effect of live and inert feed treatment with lactobacilli on weaning success in intensively reared pike-perch larvae
VL  - 516
DO  - 10.1016/j.aquaculture.2019.734608
ER  - 
@article{
author = "Ljubobratović, Uroš and Kosanović, Dejana and Demeny, Ferenc Zoltan and Krajcsovics, Adrienn and Vukotić, Goran and Stanisavljević, Nemanja and Golić, Nataša and Jeney, Galina and Lukić, Jovanka",
year = "2020",
abstract = "Weaning to inert diet in intensively reared pike-perch larvae is confronted with significant fish loss, which prevents successful commercialization of pike-perch production. Achievement of satisfactory feed quality and effective assimilation of nutrients by larval fish is the major challenge in larval production process. Aim of this study was to evaluate whether treatment of live and inert feed with lactobacilli could alleviate growth retardation associated with early weaning of pike-perch reared in recirculating system. Weaning started on 18th day post-hatching (DPH) either as sudden weaning (SW) or by co-administration of Anemia for six days (gradual weaning, GW). Prior to administration to fish, Anemia was treated with Lactobacillus salivarius BGHO1/Lb. reuteri BGGO6-55, while inert feed was treated with Lb. paracasei subsp. paracasei BGHN14/Lb. rhamnosus BGT10. Treatment with lactobacilli slightly raised neutral lipid level in Anemia nauplii, but significantly reduced their content in dry feed. Fish were sampled on the 24th DPH. Survival, morphometric indices, skeleton differentiation, digestive enzyme activity and opportunistic pathogenic bacteria level were assessed in whole fish specimens. GW fish were presented with better survival, body growth and phospholipase A2 (PLA2) activity. Alongside, Vibrio spp. growth was suppressed in these fish and skeleton development was improved, according to Alizarin Red staining and ColIA1/Sparc mRNA expression data. Lactobacilli application in GW fish correlated with an increase of survival, condition factor and growth rate, according to trypsin and chymotrypsin activities, indicating better utilization of dietary proteins for muscle building. In SW fish, lactobacilli elevated chymotrypsin activity, PLA2 to lipase activity ratio and improved survival and ossification, as evident from Alizarin Red staining and ColIA1/Sparc mRNA expression. This indicated improved fatty acid absorption and control of metamorphosis process. Furthermore, lactobacilli suppressed Vibrio spp. growth in SW fish. Aside from demonstrating the ability of lactobacilli to aid weaning in pike-perch larvae, this study indicated that different types of food treatment may direct fish growth in a predictable manner, allowing further cost-effective improvements of larval pike-perch rearing in intensive system.",
publisher = "Elsevier, Amsterdam",
journal = "Aquaculture",
title = "The effect of live and inert feed treatment with lactobacilli on weaning success in intensively reared pike-perch larvae",
volume = "516",
doi = "10.1016/j.aquaculture.2019.734608"
}
Ljubobratović, U., Kosanović, D., Demeny, F. Z., Krajcsovics, A., Vukotić, G., Stanisavljević, N., Golić, N., Jeney, G.,& Lukić, J.. (2020). The effect of live and inert feed treatment with lactobacilli on weaning success in intensively reared pike-perch larvae. in Aquaculture
Elsevier, Amsterdam., 516.
https://doi.org/10.1016/j.aquaculture.2019.734608
Ljubobratović U, Kosanović D, Demeny FZ, Krajcsovics A, Vukotić G, Stanisavljević N, Golić N, Jeney G, Lukić J. The effect of live and inert feed treatment with lactobacilli on weaning success in intensively reared pike-perch larvae. in Aquaculture. 2020;516.
doi:10.1016/j.aquaculture.2019.734608 .
Ljubobratović, Uroš, Kosanović, Dejana, Demeny, Ferenc Zoltan, Krajcsovics, Adrienn, Vukotić, Goran, Stanisavljević, Nemanja, Golić, Nataša, Jeney, Galina, Lukić, Jovanka, "The effect of live and inert feed treatment with lactobacilli on weaning success in intensively reared pike-perch larvae" in Aquaculture, 516 (2020),
https://doi.org/10.1016/j.aquaculture.2019.734608 . .
13
8
14

Fluoroquinolone-resistant Achromobacter xylosoxidans clinical isolates from Serbia: high prevalence of the aac-(6)-Ib-cr gene among resistant isolates

Lilić, Branislav; Filipić, Brankica; Malešević, Milka; Novović, Katarina; Vasiljević, Zorica; Kojić, Milan; Jovčić, Branko

(Springer, Dordrecht, 2019)

TY  - JOUR
AU  - Lilić, Branislav
AU  - Filipić, Brankica
AU  - Malešević, Milka
AU  - Novović, Katarina
AU  - Vasiljević, Zorica
AU  - Kojić, Milan
AU  - Jovčić, Branko
PY  - 2019
UR  - https://imagine.imgge.bg.ac.rs/handle/123456789/1278
UR  - http://intor.torlakinstitut.com/handle/123456789/742
AB  - The aim of this study was to evaluate the contribution of plasmid-mediated genes and efflux to fluoroquinolone resistance in collection of Achromobacter spp. gathered during a 3-year period. Susceptibility to ciprofloxacin and levofloxacin was tested by disk diffusion and microdilution tests for a collection of 98 Achromobacter spp. clinical isolates. Identification of fluoroquinolone-resistant isolates was performed by sequencing and phylogenetic analyses of the nrdA gene. Genetic relatedness among resistant isolates was determined by pulsed-field gel electrophoresis (PFGE) analysis. The influence of an H+ conductor cyanide m-chlorophenyl hydrazone (CCCP) and a resistance-nodulation-division-type efflux pump inhibitor phenylalanine-arginine beta-naphthylamide (PAN) on minimal inhibitory concentration (MIC) value was evaluated by broth microdilution. The presence of the plasmid-mediated qnrA, qnrB, qnrC, qnrS, and aac-(6)-Ib-cr genes was investigated by PCR and sequencing. Achromobacter spp. isolates that were resistant or intermediately resistant to fluoroquinolones in disk diffusion tests (44/98) were subjected to microdilution. As a result, 20/98 isolates were confirmed to be resistant to ciprofloxacin while 10/98 was resistant to levofloxacin. CCCP decreased twofold MIC value for ciprofloxacin in six isolates and more than 16 times in one isolate, while MIC value for levofloxacin was decreased in all isolates (twofold to more than eightfold). Fluoroquinolone-resistant isolates were identified as A. xylosoxidans with the nrdA gene sequencing. PFGE revealed that resistant isolates belonged to seven different genotypes. Ten isolates belonging to four genotypes were positive for the aac-(6)-Ib-cr gene. Although resistance to fluoroquinolones was not widespread among analyzed isolates, detected contribution of efflux pumps and the presence of the aac-(6)-Ib-cr gene present a platform for emergence of more resistant strains.
PB  - Springer, Dordrecht
T2  - Folia Microbiologica
T1  - Fluoroquinolone-resistant Achromobacter xylosoxidans clinical isolates from Serbia: high prevalence of the aac-(6)-Ib-cr gene among resistant isolates
EP  - 159
IS  - 2
SP  - 153
VL  - 64
DO  - 10.1007/s12223-018-0639-7
ER  - 
@article{
author = "Lilić, Branislav and Filipić, Brankica and Malešević, Milka and Novović, Katarina and Vasiljević, Zorica and Kojić, Milan and Jovčić, Branko",
year = "2019",
abstract = "The aim of this study was to evaluate the contribution of plasmid-mediated genes and efflux to fluoroquinolone resistance in collection of Achromobacter spp. gathered during a 3-year period. Susceptibility to ciprofloxacin and levofloxacin was tested by disk diffusion and microdilution tests for a collection of 98 Achromobacter spp. clinical isolates. Identification of fluoroquinolone-resistant isolates was performed by sequencing and phylogenetic analyses of the nrdA gene. Genetic relatedness among resistant isolates was determined by pulsed-field gel electrophoresis (PFGE) analysis. The influence of an H+ conductor cyanide m-chlorophenyl hydrazone (CCCP) and a resistance-nodulation-division-type efflux pump inhibitor phenylalanine-arginine beta-naphthylamide (PAN) on minimal inhibitory concentration (MIC) value was evaluated by broth microdilution. The presence of the plasmid-mediated qnrA, qnrB, qnrC, qnrS, and aac-(6)-Ib-cr genes was investigated by PCR and sequencing. Achromobacter spp. isolates that were resistant or intermediately resistant to fluoroquinolones in disk diffusion tests (44/98) were subjected to microdilution. As a result, 20/98 isolates were confirmed to be resistant to ciprofloxacin while 10/98 was resistant to levofloxacin. CCCP decreased twofold MIC value for ciprofloxacin in six isolates and more than 16 times in one isolate, while MIC value for levofloxacin was decreased in all isolates (twofold to more than eightfold). Fluoroquinolone-resistant isolates were identified as A. xylosoxidans with the nrdA gene sequencing. PFGE revealed that resistant isolates belonged to seven different genotypes. Ten isolates belonging to four genotypes were positive for the aac-(6)-Ib-cr gene. Although resistance to fluoroquinolones was not widespread among analyzed isolates, detected contribution of efflux pumps and the presence of the aac-(6)-Ib-cr gene present a platform for emergence of more resistant strains.",
publisher = "Springer, Dordrecht",
journal = "Folia Microbiologica",
title = "Fluoroquinolone-resistant Achromobacter xylosoxidans clinical isolates from Serbia: high prevalence of the aac-(6)-Ib-cr gene among resistant isolates",
pages = "159-153",
number = "2",
volume = "64",
doi = "10.1007/s12223-018-0639-7"
}
Lilić, B., Filipić, B., Malešević, M., Novović, K., Vasiljević, Z., Kojić, M.,& Jovčić, B.. (2019). Fluoroquinolone-resistant Achromobacter xylosoxidans clinical isolates from Serbia: high prevalence of the aac-(6)-Ib-cr gene among resistant isolates. in Folia Microbiologica
Springer, Dordrecht., 64(2), 153-159.
https://doi.org/10.1007/s12223-018-0639-7
Lilić B, Filipić B, Malešević M, Novović K, Vasiljević Z, Kojić M, Jovčić B. Fluoroquinolone-resistant Achromobacter xylosoxidans clinical isolates from Serbia: high prevalence of the aac-(6)-Ib-cr gene among resistant isolates. in Folia Microbiologica. 2019;64(2):153-159.
doi:10.1007/s12223-018-0639-7 .
Lilić, Branislav, Filipić, Brankica, Malešević, Milka, Novović, Katarina, Vasiljević, Zorica, Kojić, Milan, Jovčić, Branko, "Fluoroquinolone-resistant Achromobacter xylosoxidans clinical isolates from Serbia: high prevalence of the aac-(6)-Ib-cr gene among resistant isolates" in Folia Microbiologica, 64, no. 2 (2019):153-159,
https://doi.org/10.1007/s12223-018-0639-7 . .
1
2
2
3

Bacterial Diversity among the Sediments of Glacial Lakes in the Western Balkans: Exploring the Impact of Human Population

Malešević, Milka; Mirković, Nemanja; Lozo, Jelena; Novović, Katarina; Filipić, Brankica; Kojić, Milan; Jovčić, Branko

(Taylor & Francis, 2019)

TY  - JOUR
AU  - Malešević, Milka
AU  - Mirković, Nemanja
AU  - Lozo, Jelena
AU  - Novović, Katarina
AU  - Filipić, Brankica
AU  - Kojić, Milan
AU  - Jovčić, Branko
PY  - 2019
UR  - https://imagine.imgge.bg.ac.rs/handle/123456789/1297
UR  - http://intor.torlakinstitut.com/handle/123456789/696
AB  - 16S rRNA gene-based metagenomic approach was used to assess the biodiversity of bacterial communities in the sediments of selected glacial lakes in the Western Balkans and to assess the impact of human population on these microbial communities. Sediment samples were collected from three glacial lakes, viz., Plav Lake (in a zone of the highest impact of human population), Black Lake (a zone of medium impact of human population), and Donje Bare Lake (a remote lake with minimal impact of human population). Canonical correlation analysis analysis indicated correlation between the distance of the lake from urbanized population and bacterial diversity in Donje Bare Lake sediment. Bacterial diversity of Black Lake sediment was correlated with high content of phosphorous and pH value. Chemical compounds exhibiting the most prominent correlation with bacterial diversity of Plav Lake were NH4-N, K2O, CaCo3, and total nitrogen . Additionally, CCA analysis indicated that population density was correlated with biodiversity of bacterial communities in Plav Lake sediment, which is the most exposed to human population. Multivariate regression revealed the highest correlation between the presence of Proteobacteria classes and population density and levels of NH4-N. The influence of human population was observed to be important for shaping the sediment communities in addition to biological and chemical factors.
PB  - Taylor & Francis
T2  - Geomicrobiology Journal
T1  - Bacterial Diversity among the Sediments of Glacial Lakes in the Western Balkans: Exploring the Impact of Human Population
EP  - 270
IS  - 3
SP  - 261
VL  - 36
DO  - 10.1080/01490451.2018.1550128
ER  - 
@article{
author = "Malešević, Milka and Mirković, Nemanja and Lozo, Jelena and Novović, Katarina and Filipić, Brankica and Kojić, Milan and Jovčić, Branko",
year = "2019",
abstract = "16S rRNA gene-based metagenomic approach was used to assess the biodiversity of bacterial communities in the sediments of selected glacial lakes in the Western Balkans and to assess the impact of human population on these microbial communities. Sediment samples were collected from three glacial lakes, viz., Plav Lake (in a zone of the highest impact of human population), Black Lake (a zone of medium impact of human population), and Donje Bare Lake (a remote lake with minimal impact of human population). Canonical correlation analysis analysis indicated correlation between the distance of the lake from urbanized population and bacterial diversity in Donje Bare Lake sediment. Bacterial diversity of Black Lake sediment was correlated with high content of phosphorous and pH value. Chemical compounds exhibiting the most prominent correlation with bacterial diversity of Plav Lake were NH4-N, K2O, CaCo3, and total nitrogen . Additionally, CCA analysis indicated that population density was correlated with biodiversity of bacterial communities in Plav Lake sediment, which is the most exposed to human population. Multivariate regression revealed the highest correlation between the presence of Proteobacteria classes and population density and levels of NH4-N. The influence of human population was observed to be important for shaping the sediment communities in addition to biological and chemical factors.",
publisher = "Taylor & Francis",
journal = "Geomicrobiology Journal",
title = "Bacterial Diversity among the Sediments of Glacial Lakes in the Western Balkans: Exploring the Impact of Human Population",
pages = "270-261",
number = "3",
volume = "36",
doi = "10.1080/01490451.2018.1550128"
}
Malešević, M., Mirković, N., Lozo, J., Novović, K., Filipić, B., Kojić, M.,& Jovčić, B.. (2019). Bacterial Diversity among the Sediments of Glacial Lakes in the Western Balkans: Exploring the Impact of Human Population. in Geomicrobiology Journal
Taylor & Francis., 36(3), 261-270.
https://doi.org/10.1080/01490451.2018.1550128
Malešević M, Mirković N, Lozo J, Novović K, Filipić B, Kojić M, Jovčić B. Bacterial Diversity among the Sediments of Glacial Lakes in the Western Balkans: Exploring the Impact of Human Population. in Geomicrobiology Journal. 2019;36(3):261-270.
doi:10.1080/01490451.2018.1550128 .
Malešević, Milka, Mirković, Nemanja, Lozo, Jelena, Novović, Katarina, Filipić, Brankica, Kojić, Milan, Jovčić, Branko, "Bacterial Diversity among the Sediments of Glacial Lakes in the Western Balkans: Exploring the Impact of Human Population" in Geomicrobiology Journal, 36, no. 3 (2019):261-270,
https://doi.org/10.1080/01490451.2018.1550128 . .
6
4
6

Binding activity to intestinal cells and transient colonization in mice of two Lactobacillus paracasei subsp. paracasei strains with high aggregation potential

Miljković, Marija; Thomas, Muriel; Serror, Pascale; Rigottier-Gois, Lionel; Kojić, Milan

(Springer, Dordrecht, 2019)

TY  - JOUR
AU  - Miljković, Marija
AU  - Thomas, Muriel
AU  - Serror, Pascale
AU  - Rigottier-Gois, Lionel
AU  - Kojić, Milan
PY  - 2019
UR  - https://imagine.imgge.bg.ac.rs/handle/123456789/1259
UR  - http://intor.torlakinstitut.com/handle/123456789/701
AB  - Surface properties like hydrophobicity, aggregation ability, adhesion to mucosal surfaces and epithelial cells and transit time are key features for the characterization of probiotic strains. In this study, we used two Lactobacillus paracasei subsp. paracasei strains (BGNJ1-64 and BGSJ2-8) strains which were previously described with very strong aggregation capacity. The aggregation promoting factor (AggLb) expressed in these strains showed high level of binding to collagen and fibronectin, components of extracellular matrix. The working hypothesis was that strains able to aggregate have an advantage to resist in intestinal tract. So, we assessed whether these strains and their derivatives (without aggLb gene) are able to bind or not to intestinal components and we compared the transit time of each strains in mice. In that purpose parental strains (BGNJ1-64 and BGSJ2-8) and their aggregation negative derivatives (BGNJ1-641 and BGSJ2-83) were marked with double antibiotic resistance in order to be tracked in in vivo experiments in mice. Comparative analysis of binding ability of WT and aggregation negative strains to different human intestinal cell lines and mucin revealed no significant difference among them, excluding involvement of AggLb in interaction with surface of intestinal cells and mucin. In vivo experiments showed that surviving and transit time of marked strains in mice did not drastically depend on the presence of the AggLb aggregation factor.
PB  - Springer, Dordrecht
T2  - World Journal of Microbiology & Biotechnology
T1  - Binding activity to intestinal cells and transient colonization in mice of two Lactobacillus paracasei subsp. paracasei strains with high aggregation potential
IS  - 6
VL  - 35
DO  - 10.1007/s11274-019-2663-4
ER  - 
@article{
author = "Miljković, Marija and Thomas, Muriel and Serror, Pascale and Rigottier-Gois, Lionel and Kojić, Milan",
year = "2019",
abstract = "Surface properties like hydrophobicity, aggregation ability, adhesion to mucosal surfaces and epithelial cells and transit time are key features for the characterization of probiotic strains. In this study, we used two Lactobacillus paracasei subsp. paracasei strains (BGNJ1-64 and BGSJ2-8) strains which were previously described with very strong aggregation capacity. The aggregation promoting factor (AggLb) expressed in these strains showed high level of binding to collagen and fibronectin, components of extracellular matrix. The working hypothesis was that strains able to aggregate have an advantage to resist in intestinal tract. So, we assessed whether these strains and their derivatives (without aggLb gene) are able to bind or not to intestinal components and we compared the transit time of each strains in mice. In that purpose parental strains (BGNJ1-64 and BGSJ2-8) and their aggregation negative derivatives (BGNJ1-641 and BGSJ2-83) were marked with double antibiotic resistance in order to be tracked in in vivo experiments in mice. Comparative analysis of binding ability of WT and aggregation negative strains to different human intestinal cell lines and mucin revealed no significant difference among them, excluding involvement of AggLb in interaction with surface of intestinal cells and mucin. In vivo experiments showed that surviving and transit time of marked strains in mice did not drastically depend on the presence of the AggLb aggregation factor.",
publisher = "Springer, Dordrecht",
journal = "World Journal of Microbiology & Biotechnology",
title = "Binding activity to intestinal cells and transient colonization in mice of two Lactobacillus paracasei subsp. paracasei strains with high aggregation potential",
number = "6",
volume = "35",
doi = "10.1007/s11274-019-2663-4"
}
Miljković, M., Thomas, M., Serror, P., Rigottier-Gois, L.,& Kojić, M.. (2019). Binding activity to intestinal cells and transient colonization in mice of two Lactobacillus paracasei subsp. paracasei strains with high aggregation potential. in World Journal of Microbiology & Biotechnology
Springer, Dordrecht., 35(6).
https://doi.org/10.1007/s11274-019-2663-4
Miljković M, Thomas M, Serror P, Rigottier-Gois L, Kojić M. Binding activity to intestinal cells and transient colonization in mice of two Lactobacillus paracasei subsp. paracasei strains with high aggregation potential. in World Journal of Microbiology & Biotechnology. 2019;35(6).
doi:10.1007/s11274-019-2663-4 .
Miljković, Marija, Thomas, Muriel, Serror, Pascale, Rigottier-Gois, Lionel, Kojić, Milan, "Binding activity to intestinal cells and transient colonization in mice of two Lactobacillus paracasei subsp. paracasei strains with high aggregation potential" in World Journal of Microbiology & Biotechnology, 35, no. 6 (2019),
https://doi.org/10.1007/s11274-019-2663-4 . .
4
3

Benzo[4,5]thieno[2,3-d]pyrimidine phthalimide derivative, one of the rare noncompetitive inhibitors of dipeptidyl peptidase-4

Tomović, Katarina; Ilić, Budimir S.; Miljković, Marija; Dimov, Stefan; Yancheva, Denitsa; Kojić, Milan; Mavrova, Anelia T.; Kocić, Gordana; Smelcerović, Andrija

(Wiley-V C H Verlag Gmbh, Weinheim, 2019)

TY  - JOUR
AU  - Tomović, Katarina
AU  - Ilić, Budimir S.
AU  - Miljković, Marija
AU  - Dimov, Stefan
AU  - Yancheva, Denitsa
AU  - Kojić, Milan
AU  - Mavrova, Anelia T.
AU  - Kocić, Gordana
AU  - Smelcerović, Andrija
PY  - 2019
UR  - https://imagine.imgge.bg.ac.rs/handle/123456789/1396
UR  - http://intor.torlakinstitut.com/handle/123456789/700
AB  - A small library of benzo[4,5]thieno[2,3-d]pyrimidine phthalimide and amine derivatives was evaluated for inhibitory activity against dipeptidyl peptidase-4 (DPP-4). The phthalimide derivatives exhibited better activity than the amine precursors, with 2-(2-(3-chlorobenzyl)-5,6,7,8-tetrahydrobenzo[4,5]thieno[2,3-d]pyrimidin-4-yl)isoindoline-1,3-dione (compound 14) as the most effective inhibitor (IC50 = 34.17 +/- 5.11 mu M). The five most potent selected inhibitors did not show cytotoxicity to a greater extent on Caco-2 cells, even at a concentration of 250 mu M. Compound 14 is considered as a novel representative of the rare noncompetitive DPP-4 inhibitors. Molecular docking and dynamics simulation indicated the importance of the Tyr547, Lys554, and Trp629 residues of DPP-4 in the formation of the enzyme-inhibitor complex. These observations could be potentially utilized for the rational design and optimization of novel (structurally similar, with phthalimide moiety, or different) noncompetitive DPP-4 inhibitors, which are anyway rare, but favorable in terms of the saturation of substrate competition.
PB  - Wiley-V C H Verlag Gmbh, Weinheim
T2  - Archiv Der Pharmazie
T1  - Benzo[4,5]thieno[2,3-d]pyrimidine phthalimide derivative, one of the rare noncompetitive inhibitors of dipeptidyl peptidase-4
IS  - 1
VL  - 353
DO  - 10.1002/ardp.201900238
ER  - 
@article{
author = "Tomović, Katarina and Ilić, Budimir S. and Miljković, Marija and Dimov, Stefan and Yancheva, Denitsa and Kojić, Milan and Mavrova, Anelia T. and Kocić, Gordana and Smelcerović, Andrija",
year = "2019",
abstract = "A small library of benzo[4,5]thieno[2,3-d]pyrimidine phthalimide and amine derivatives was evaluated for inhibitory activity against dipeptidyl peptidase-4 (DPP-4). The phthalimide derivatives exhibited better activity than the amine precursors, with 2-(2-(3-chlorobenzyl)-5,6,7,8-tetrahydrobenzo[4,5]thieno[2,3-d]pyrimidin-4-yl)isoindoline-1,3-dione (compound 14) as the most effective inhibitor (IC50 = 34.17 +/- 5.11 mu M). The five most potent selected inhibitors did not show cytotoxicity to a greater extent on Caco-2 cells, even at a concentration of 250 mu M. Compound 14 is considered as a novel representative of the rare noncompetitive DPP-4 inhibitors. Molecular docking and dynamics simulation indicated the importance of the Tyr547, Lys554, and Trp629 residues of DPP-4 in the formation of the enzyme-inhibitor complex. These observations could be potentially utilized for the rational design and optimization of novel (structurally similar, with phthalimide moiety, or different) noncompetitive DPP-4 inhibitors, which are anyway rare, but favorable in terms of the saturation of substrate competition.",
publisher = "Wiley-V C H Verlag Gmbh, Weinheim",
journal = "Archiv Der Pharmazie",
title = "Benzo[4,5]thieno[2,3-d]pyrimidine phthalimide derivative, one of the rare noncompetitive inhibitors of dipeptidyl peptidase-4",
number = "1",
volume = "353",
doi = "10.1002/ardp.201900238"
}
Tomović, K., Ilić, B. S., Miljković, M., Dimov, S., Yancheva, D., Kojić, M., Mavrova, A. T., Kocić, G.,& Smelcerović, A.. (2019). Benzo[4,5]thieno[2,3-d]pyrimidine phthalimide derivative, one of the rare noncompetitive inhibitors of dipeptidyl peptidase-4. in Archiv Der Pharmazie
Wiley-V C H Verlag Gmbh, Weinheim., 353(1).
https://doi.org/10.1002/ardp.201900238
Tomović K, Ilić BS, Miljković M, Dimov S, Yancheva D, Kojić M, Mavrova AT, Kocić G, Smelcerović A. Benzo[4,5]thieno[2,3-d]pyrimidine phthalimide derivative, one of the rare noncompetitive inhibitors of dipeptidyl peptidase-4. in Archiv Der Pharmazie. 2019;353(1).
doi:10.1002/ardp.201900238 .
Tomović, Katarina, Ilić, Budimir S., Miljković, Marija, Dimov, Stefan, Yancheva, Denitsa, Kojić, Milan, Mavrova, Anelia T., Kocić, Gordana, Smelcerović, Andrija, "Benzo[4,5]thieno[2,3-d]pyrimidine phthalimide derivative, one of the rare noncompetitive inhibitors of dipeptidyl peptidase-4" in Archiv Der Pharmazie, 353, no. 1 (2019),
https://doi.org/10.1002/ardp.201900238 . .
4
2
5

Brevibacillus laterosporus strains BGSP7, BGSP9 and BGSP11 isolated from silage produce broad spectrum multi-antimicrobials

Miljković, Marija; Jovanović, Sofija; O'Connor, Paula M.; Mirković, Nemanja; Jovčić, Branko; Filipić, Brankica; Dinić, Miroslav; Studholme, David John; Fira, Đorđe; Cotter, Paul D.; Kojić, Milan

(Public Library Science, San Francisco, 2019)

TY  - JOUR
AU  - Miljković, Marija
AU  - Jovanović, Sofija
AU  - O'Connor, Paula M.
AU  - Mirković, Nemanja
AU  - Jovčić, Branko
AU  - Filipić, Brankica
AU  - Dinić, Miroslav
AU  - Studholme, David John
AU  - Fira, Đorđe
AU  - Cotter, Paul D.
AU  - Kojić, Milan
PY  - 2019
UR  - https://imagine.imgge.bg.ac.rs/handle/123456789/1264
UR  - http://intor.torlakinstitut.com/handle/123456789/702
AB  - Bacteria active against multi-drug resistant pathogens, isolated by direct selection of colonies from clover silage samples, produce zones of inhibition against two Gram-negative (Klebsiella pneumoniae Ni9 and Pseudomonas aeruginosa MMA83) and two Gram-positive (Staphylococcus aureus ATCC25923 and Listeria monocytogenes ATCC19111) pathogens. Isolates BGSP7, BGSP9, BGSP11 and BGSP12 produced the largest zones of inhibition against all four pathogens when grown in LB broth with aeration at 37 degrees C. Isolates BGSP7, BGSP9, BGSP11 and BGSP12 were identified as Brevibacillus laterosporus and pulsed field gel electrophoresis and extracellular protein profiles showed that three different strains (BGSP7, BGSP9 and BGSP11) were isolated. A semi-native SDS-PAGE (sodium dodecyl sulphate-polyacrylamide gel electrophoresis) gel overlay assay showed that BGSP7 and BGSP9 produce small antimicrobial molecules of about 1.5 kDa, while BGSP11 produces antimicrobial molecules of 1.5 and 6 kDa active against S. aureus ATCC25923. Amino acid analysis of two antimicrobial molecules (1583.73 Da; from BGSP7 and 1556.31 Da; from BGSP11) revealed that they have a similar composition and differ only by virtue of the presence of a methionine which is present only in BGSP11 molecule. Genome sequencing of the three isolates revealed the presence of gene clusters associated with the production of non-ribosomally synthesized peptides (brevibacillin, bogorol, gramicidin S, plipastatin and tyrocin) and bacteriocins (laterosporulin, a lactococcin 972-like bacteriocin, as well as putative linocin M18, sactipeptide, UviB and lantipeptide-like molecules). Ultimately, the purification of a number of antimicrobial molecules from each isolate suggests that they can be considered as potent biocontrol strains that produce an arsenal of antimicrobial molecules active against Gram-positive and Gram-negative multi-resistant pathogens, fungi and insects.
PB  - Public Library Science, San Francisco
T2  - PLoS One
T1  - Brevibacillus laterosporus strains BGSP7, BGSP9 and BGSP11 isolated from silage produce broad spectrum multi-antimicrobials
IS  - 5
VL  - 14
DO  - 10.1371/journal.pone.0216773
ER  - 
@article{
author = "Miljković, Marija and Jovanović, Sofija and O'Connor, Paula M. and Mirković, Nemanja and Jovčić, Branko and Filipić, Brankica and Dinić, Miroslav and Studholme, David John and Fira, Đorđe and Cotter, Paul D. and Kojić, Milan",
year = "2019",
abstract = "Bacteria active against multi-drug resistant pathogens, isolated by direct selection of colonies from clover silage samples, produce zones of inhibition against two Gram-negative (Klebsiella pneumoniae Ni9 and Pseudomonas aeruginosa MMA83) and two Gram-positive (Staphylococcus aureus ATCC25923 and Listeria monocytogenes ATCC19111) pathogens. Isolates BGSP7, BGSP9, BGSP11 and BGSP12 produced the largest zones of inhibition against all four pathogens when grown in LB broth with aeration at 37 degrees C. Isolates BGSP7, BGSP9, BGSP11 and BGSP12 were identified as Brevibacillus laterosporus and pulsed field gel electrophoresis and extracellular protein profiles showed that three different strains (BGSP7, BGSP9 and BGSP11) were isolated. A semi-native SDS-PAGE (sodium dodecyl sulphate-polyacrylamide gel electrophoresis) gel overlay assay showed that BGSP7 and BGSP9 produce small antimicrobial molecules of about 1.5 kDa, while BGSP11 produces antimicrobial molecules of 1.5 and 6 kDa active against S. aureus ATCC25923. Amino acid analysis of two antimicrobial molecules (1583.73 Da; from BGSP7 and 1556.31 Da; from BGSP11) revealed that they have a similar composition and differ only by virtue of the presence of a methionine which is present only in BGSP11 molecule. Genome sequencing of the three isolates revealed the presence of gene clusters associated with the production of non-ribosomally synthesized peptides (brevibacillin, bogorol, gramicidin S, plipastatin and tyrocin) and bacteriocins (laterosporulin, a lactococcin 972-like bacteriocin, as well as putative linocin M18, sactipeptide, UviB and lantipeptide-like molecules). Ultimately, the purification of a number of antimicrobial molecules from each isolate suggests that they can be considered as potent biocontrol strains that produce an arsenal of antimicrobial molecules active against Gram-positive and Gram-negative multi-resistant pathogens, fungi and insects.",
publisher = "Public Library Science, San Francisco",
journal = "PLoS One",
title = "Brevibacillus laterosporus strains BGSP7, BGSP9 and BGSP11 isolated from silage produce broad spectrum multi-antimicrobials",
number = "5",
volume = "14",
doi = "10.1371/journal.pone.0216773"
}
Miljković, M., Jovanović, S., O'Connor, P. M., Mirković, N., Jovčić, B., Filipić, B., Dinić, M., Studholme, D. J., Fira, Đ., Cotter, P. D.,& Kojić, M.. (2019). Brevibacillus laterosporus strains BGSP7, BGSP9 and BGSP11 isolated from silage produce broad spectrum multi-antimicrobials. in PLoS One
Public Library Science, San Francisco., 14(5).
https://doi.org/10.1371/journal.pone.0216773
Miljković M, Jovanović S, O'Connor PM, Mirković N, Jovčić B, Filipić B, Dinić M, Studholme DJ, Fira Đ, Cotter PD, Kojić M. Brevibacillus laterosporus strains BGSP7, BGSP9 and BGSP11 isolated from silage produce broad spectrum multi-antimicrobials. in PLoS One. 2019;14(5).
doi:10.1371/journal.pone.0216773 .
Miljković, Marija, Jovanović, Sofija, O'Connor, Paula M., Mirković, Nemanja, Jovčić, Branko, Filipić, Brankica, Dinić, Miroslav, Studholme, David John, Fira, Đorđe, Cotter, Paul D., Kojić, Milan, "Brevibacillus laterosporus strains BGSP7, BGSP9 and BGSP11 isolated from silage produce broad spectrum multi-antimicrobials" in PLoS One, 14, no. 5 (2019),
https://doi.org/10.1371/journal.pone.0216773 . .
1
27
11
25

Solid state treatment with Lactobacillus paracasei subsp. paracasei BGHN14 and Lactobacillus rhamnosus BGT10 improves nutrient bioavailability in granular fish feed

Lukić, Jovanka; Vukotić, Goran; Stanisavljević, Nemanja; Kosanović, Dejana; Molnar, Zsuzsanna; Begović, Jelena; Terzić-Vidojević, Amarela; Jeney, Galina; Ljubobratović, Uroš

(Public Library Science, San Francisco, 2019)

TY  - JOUR
AU  - Lukić, Jovanka
AU  - Vukotić, Goran
AU  - Stanisavljević, Nemanja
AU  - Kosanović, Dejana
AU  - Molnar, Zsuzsanna
AU  - Begović, Jelena
AU  - Terzić-Vidojević, Amarela
AU  - Jeney, Galina
AU  - Ljubobratović, Uroš
PY  - 2019
UR  - http://intor.torlakinstitut.com/handle/123456789/529
AB  - The aim of this research was to improve nutritive value of fishmeal-based feed by lactobacilli in order to achieve satisfactory nutrient availability needed to support fish development. Feed was solid-state treated at a laboratory scale with the combination of Lactobacillus paracaseisubsp. paracasei BGHN14 and Lactobacillus rhamnosus BGT10 in different experimental settings, which included the variation of strain ratio, total lactobacilli concentration, percentage of moisture and duration of incubation. Short peptides, soluble proteins, phospho-, neutral and unsaturated lipids were quantified. Differences among treated and control feeds were evaluated by Student t-test, while Gaussian process regression (GPR) modeling was employed to simulate the incubation process and define the optimal treatment combination in the context of overall feed nutritional profile. Treatment duration was shown to be the critical determinant of final outcome, either as single factor or via interaction with strain ratio. Optimal nutrient balance was achieved with 12 h incubation period, 260% moisture, 75:25 and 50:50 BGHN14:BGT10 ratios and 200 mg of lactobacilli per g of dry feed. This study should serve as the basis for large-scale tests which would simulate on-farm production of both fishmeal-based and unconventional, lower cost aquafeed with added value.
PB  - Public Library Science, San Francisco
T2  - PLoS One
T1  - Solid state treatment with Lactobacillus paracasei subsp. paracasei BGHN14 and Lactobacillus rhamnosus BGT10 improves nutrient bioavailability in granular fish feed
IS  - 7
VL  - 14
DO  - 10.1371/journal.pone.0219558
ER  - 
@article{
author = "Lukić, Jovanka and Vukotić, Goran and Stanisavljević, Nemanja and Kosanović, Dejana and Molnar, Zsuzsanna and Begović, Jelena and Terzić-Vidojević, Amarela and Jeney, Galina and Ljubobratović, Uroš",
year = "2019",
abstract = "The aim of this research was to improve nutritive value of fishmeal-based feed by lactobacilli in order to achieve satisfactory nutrient availability needed to support fish development. Feed was solid-state treated at a laboratory scale with the combination of Lactobacillus paracaseisubsp. paracasei BGHN14 and Lactobacillus rhamnosus BGT10 in different experimental settings, which included the variation of strain ratio, total lactobacilli concentration, percentage of moisture and duration of incubation. Short peptides, soluble proteins, phospho-, neutral and unsaturated lipids were quantified. Differences among treated and control feeds were evaluated by Student t-test, while Gaussian process regression (GPR) modeling was employed to simulate the incubation process and define the optimal treatment combination in the context of overall feed nutritional profile. Treatment duration was shown to be the critical determinant of final outcome, either as single factor or via interaction with strain ratio. Optimal nutrient balance was achieved with 12 h incubation period, 260% moisture, 75:25 and 50:50 BGHN14:BGT10 ratios and 200 mg of lactobacilli per g of dry feed. This study should serve as the basis for large-scale tests which would simulate on-farm production of both fishmeal-based and unconventional, lower cost aquafeed with added value.",
publisher = "Public Library Science, San Francisco",
journal = "PLoS One",
title = "Solid state treatment with Lactobacillus paracasei subsp. paracasei BGHN14 and Lactobacillus rhamnosus BGT10 improves nutrient bioavailability in granular fish feed",
number = "7",
volume = "14",
doi = "10.1371/journal.pone.0219558"
}
Lukić, J., Vukotić, G., Stanisavljević, N., Kosanović, D., Molnar, Z., Begović, J., Terzić-Vidojević, A., Jeney, G.,& Ljubobratović, U.. (2019). Solid state treatment with Lactobacillus paracasei subsp. paracasei BGHN14 and Lactobacillus rhamnosus BGT10 improves nutrient bioavailability in granular fish feed. in PLoS One
Public Library Science, San Francisco., 14(7).
https://doi.org/10.1371/journal.pone.0219558
Lukić J, Vukotić G, Stanisavljević N, Kosanović D, Molnar Z, Begović J, Terzić-Vidojević A, Jeney G, Ljubobratović U. Solid state treatment with Lactobacillus paracasei subsp. paracasei BGHN14 and Lactobacillus rhamnosus BGT10 improves nutrient bioavailability in granular fish feed. in PLoS One. 2019;14(7).
doi:10.1371/journal.pone.0219558 .
Lukić, Jovanka, Vukotić, Goran, Stanisavljević, Nemanja, Kosanović, Dejana, Molnar, Zsuzsanna, Begović, Jelena, Terzić-Vidojević, Amarela, Jeney, Galina, Ljubobratović, Uroš, "Solid state treatment with Lactobacillus paracasei subsp. paracasei BGHN14 and Lactobacillus rhamnosus BGT10 improves nutrient bioavailability in granular fish feed" in PLoS One, 14, no. 7 (2019),
https://doi.org/10.1371/journal.pone.0219558 . .
8
8
8

Functional Characterization of the Lactolisterin BU Gene Cluster of Lactococcus lactis subsp. lactis BGBU1-4

Miljković, Manja; Lozo, Jelena; Mirković, Nemanja; O'Connor, Paula M.; Malešević, Milka; Jovčić, Branko; Cotter, Paul D.; Kojić, Milan

(Frontiers Media Sa, Lausanne, 2018)

TY  - JOUR
AU  - Miljković, Manja
AU  - Lozo, Jelena
AU  - Mirković, Nemanja
AU  - O'Connor, Paula M.
AU  - Malešević, Milka
AU  - Jovčić, Branko
AU  - Cotter, Paul D.
AU  - Kojić, Milan
PY  - 2018
UR  - https://imagine.imgge.bg.ac.rs/handle/123456789/1124
UR  - http://intor.torlakinstitut.com/handle/123456789/743
AB  - The gene cluster responsible for the production of the aureocin A53-like bacteriocin, lactolisterin BU, is located on plasmid pBU6 in Lactococcus lactis subsp. lactis BGBU1-4. Heterologous expression of pBU6 confirmed that production and limited immunity to lactolisterin BU were provided by the plasmid. Comparative analysis of aureocin A53-like operons revealed that the structural genes shared a low level of identity, while other genes were without homology, indicating a different origin. Subcloning and expression of genes located downstream of the structural gene, IliBU, revealed that the lactolisterin BU cluster consists of four genes: the structural gene IliBU, the abcT gene encoding an ABC transporter, the accL gene encoding an accessory protein and the immL gene which provides limited immunity to lactolisterin BU. Reverse transcription analysis revealed that all genes were transcribed as one polycistronic mRNA. Attempts to split the lactolisterin BU operon, even when both parts were under control of the PlliBU promoter, were unsuccessful indicating that expression of lactolisterin BU is probably precisely regulated at the translational level by translational coupling and is possible only when all genes of the operon are in cis constellation. Two rho-independent transcription terminators were detected in the lactolisterin BU operon: the first in the intergenic region of the IliBU and abcT genes and the second at the end of operon. Deletion of the second transcription terminator did not influence production of the bacteriocin in lactococci.
PB  - Frontiers Media Sa, Lausanne
T2  - Frontiers in Microbiology
T1  - Functional Characterization of the Lactolisterin BU Gene Cluster of Lactococcus lactis subsp. lactis BGBU1-4
VL  - 9
DO  - 10.3389/fmicb.2018.02774
ER  - 
@article{
author = "Miljković, Manja and Lozo, Jelena and Mirković, Nemanja and O'Connor, Paula M. and Malešević, Milka and Jovčić, Branko and Cotter, Paul D. and Kojić, Milan",
year = "2018",
abstract = "The gene cluster responsible for the production of the aureocin A53-like bacteriocin, lactolisterin BU, is located on plasmid pBU6 in Lactococcus lactis subsp. lactis BGBU1-4. Heterologous expression of pBU6 confirmed that production and limited immunity to lactolisterin BU were provided by the plasmid. Comparative analysis of aureocin A53-like operons revealed that the structural genes shared a low level of identity, while other genes were without homology, indicating a different origin. Subcloning and expression of genes located downstream of the structural gene, IliBU, revealed that the lactolisterin BU cluster consists of four genes: the structural gene IliBU, the abcT gene encoding an ABC transporter, the accL gene encoding an accessory protein and the immL gene which provides limited immunity to lactolisterin BU. Reverse transcription analysis revealed that all genes were transcribed as one polycistronic mRNA. Attempts to split the lactolisterin BU operon, even when both parts were under control of the PlliBU promoter, were unsuccessful indicating that expression of lactolisterin BU is probably precisely regulated at the translational level by translational coupling and is possible only when all genes of the operon are in cis constellation. Two rho-independent transcription terminators were detected in the lactolisterin BU operon: the first in the intergenic region of the IliBU and abcT genes and the second at the end of operon. Deletion of the second transcription terminator did not influence production of the bacteriocin in lactococci.",
publisher = "Frontiers Media Sa, Lausanne",
journal = "Frontiers in Microbiology",
title = "Functional Characterization of the Lactolisterin BU Gene Cluster of Lactococcus lactis subsp. lactis BGBU1-4",
volume = "9",
doi = "10.3389/fmicb.2018.02774"
}
Miljković, M., Lozo, J., Mirković, N., O'Connor, P. M., Malešević, M., Jovčić, B., Cotter, P. D.,& Kojić, M.. (2018). Functional Characterization of the Lactolisterin BU Gene Cluster of Lactococcus lactis subsp. lactis BGBU1-4. in Frontiers in Microbiology
Frontiers Media Sa, Lausanne., 9.
https://doi.org/10.3389/fmicb.2018.02774
Miljković M, Lozo J, Mirković N, O'Connor PM, Malešević M, Jovčić B, Cotter PD, Kojić M. Functional Characterization of the Lactolisterin BU Gene Cluster of Lactococcus lactis subsp. lactis BGBU1-4. in Frontiers in Microbiology. 2018;9.
doi:10.3389/fmicb.2018.02774 .
Miljković, Manja, Lozo, Jelena, Mirković, Nemanja, O'Connor, Paula M., Malešević, Milka, Jovčić, Branko, Cotter, Paul D., Kojić, Milan, "Functional Characterization of the Lactolisterin BU Gene Cluster of Lactococcus lactis subsp. lactis BGBU1-4" in Frontiers in Microbiology, 9 (2018),
https://doi.org/10.3389/fmicb.2018.02774 . .
2
9
1
9

AggLr, a novel aggregation factor in Lactococcus raffinolactis BGTRK10-1: its role in surface adhesion

Miljković, Marija; Marinković, Pavle; Novović, Katarina; Jovčić, Branko; Terzić-Vidojević, Amarela; Kojić, Milan

(Taylor & Francis Ltd, Abingdon, 2018)

TY  - JOUR
AU  - Miljković, Marija
AU  - Marinković, Pavle
AU  - Novović, Katarina
AU  - Jovčić, Branko
AU  - Terzić-Vidojević, Amarela
AU  - Kojić, Milan
PY  - 2018
UR  - https://imagine.imgge.bg.ac.rs/handle/123456789/1110
UR  - http://intor.torlakinstitut.com/handle/123456789/686
AB  - The ability of lactic acid bacteria to form multi-cellular aggregates via self-aggregation is regarded as an important mechanism for stress tolerance, adhesion, colonization and genetic material exchange. The novel aggLr gene encoding for the auto-aggregation promoting protein (AggLr) of Lactococcus raffinolactis BGTRK10-1 was cloned. Heterologous expression of AggLr enabled auto-aggregation, higher hydrophobicity and collagen and fibronectin binding of the carrier strains. Domain analysis and the type of aggregates formed by cells expressing AggLr confirmed that this aggregation factor belongs to the family of high molecular weight proteins that the authors propose to be called Snow-flake Forming Collagen Binding Aggregation Factors (SFCBAF). An additional feature of SFCBAF is that they are rich in threonine and lysine and are free of cysteine in all of the aggregation factors described so far. In contrast to previously discovered SFCBAF, the gene encoding for AggLr is located on the chromosome in the strain BGTRK10-1.
PB  - Taylor & Francis Ltd, Abingdon
T2  - Biofouling
T1  - AggLr, a novel aggregation factor in Lactococcus raffinolactis BGTRK10-1: its role in surface adhesion
EP  - 698
IS  - 6
SP  - 685
VL  - 34
DO  - 10.1080/08927014.2018.1481956
ER  - 
@article{
author = "Miljković, Marija and Marinković, Pavle and Novović, Katarina and Jovčić, Branko and Terzić-Vidojević, Amarela and Kojić, Milan",
year = "2018",
abstract = "The ability of lactic acid bacteria to form multi-cellular aggregates via self-aggregation is regarded as an important mechanism for stress tolerance, adhesion, colonization and genetic material exchange. The novel aggLr gene encoding for the auto-aggregation promoting protein (AggLr) of Lactococcus raffinolactis BGTRK10-1 was cloned. Heterologous expression of AggLr enabled auto-aggregation, higher hydrophobicity and collagen and fibronectin binding of the carrier strains. Domain analysis and the type of aggregates formed by cells expressing AggLr confirmed that this aggregation factor belongs to the family of high molecular weight proteins that the authors propose to be called Snow-flake Forming Collagen Binding Aggregation Factors (SFCBAF). An additional feature of SFCBAF is that they are rich in threonine and lysine and are free of cysteine in all of the aggregation factors described so far. In contrast to previously discovered SFCBAF, the gene encoding for AggLr is located on the chromosome in the strain BGTRK10-1.",
publisher = "Taylor & Francis Ltd, Abingdon",
journal = "Biofouling",
title = "AggLr, a novel aggregation factor in Lactococcus raffinolactis BGTRK10-1: its role in surface adhesion",
pages = "698-685",
number = "6",
volume = "34",
doi = "10.1080/08927014.2018.1481956"
}
Miljković, M., Marinković, P., Novović, K., Jovčić, B., Terzić-Vidojević, A.,& Kojić, M.. (2018). AggLr, a novel aggregation factor in Lactococcus raffinolactis BGTRK10-1: its role in surface adhesion. in Biofouling
Taylor & Francis Ltd, Abingdon., 34(6), 685-698.
https://doi.org/10.1080/08927014.2018.1481956
Miljković M, Marinković P, Novović K, Jovčić B, Terzić-Vidojević A, Kojić M. AggLr, a novel aggregation factor in Lactococcus raffinolactis BGTRK10-1: its role in surface adhesion. in Biofouling. 2018;34(6):685-698.
doi:10.1080/08927014.2018.1481956 .
Miljković, Marija, Marinković, Pavle, Novović, Katarina, Jovčić, Branko, Terzić-Vidojević, Amarela, Kojić, Milan, "AggLr, a novel aggregation factor in Lactococcus raffinolactis BGTRK10-1: its role in surface adhesion" in Biofouling, 34, no. 6 (2018):685-698,
https://doi.org/10.1080/08927014.2018.1481956 . .
8
1
9

Acinetobacter spp. porin Omp33-36: Classification and transcriptional response to carbapenems and host cells

Novović, Katarina; Mihajlović, Sanja; Dinić, Miroslav; Malešević, Milka; Miljković, Marija; Kojić, Milan; Jovčić, Branko

(Public Library Science, San Francisco, 2018)

TY  - JOUR
AU  - Novović, Katarina
AU  - Mihajlović, Sanja
AU  - Dinić, Miroslav
AU  - Malešević, Milka
AU  - Miljković, Marija
AU  - Kojić, Milan
AU  - Jovčić, Branko
PY  - 2018
UR  - https://imagine.imgge.bg.ac.rs/handle/123456789/1119
UR  - http://intor.torlakinstitut.com/handle/123456789/684
AB  - Acinetobacter baumannii has been recognized as one of the most challeging pathogens in clinical settings worldwide. Outer membrane porins play a significant role in Acinetobacter antibiotic resistance and virulence. A. baumannii carbapenem resistance and virulence factor porin Omp33-36 was the subject of this study. We investigated the omp33-36 gene transcriptional response in the growth phase, its response to carbapenems, and the effect of contact with host cells. Additionally, the cytotoxic effect of A. baumannii towards keratinocytes was assessed, as well as correlation between omp33-36 gene transcription and cytotoxicity. Further, Acinetobacter spp. Omp33-36 was classified and its characteristics relevant for vaccine candidature were determined. The level of the omp33-36 gene transcription varied between growth phases, but a common pattern could not be established among different strains. Treatment with subinhibitory concentrations of carbapenems decreased, while contact with keratinocytes increased omp33-36 expression in the analysed A. baumannii strains. Variations in omp33-36 mRNA levels did not correlate with cytotoxicity levels. Decrease of omp33-36 mRNA during treatment with subinhibitory concentrations of carbapenems, indicated the importance of transcriptional changes in reversible resistance to carbapenems due to the absence of Omp33-36. The transcription of omp33-36 increased after contact with keratinocytes, indicating the important role of de novo transcription during the initial phase of A. baumannii infection. Primary structural analysis of Acinetobacter spp. Omp33-36 revealed three distinct groups (among four A. baumannii variants). Although we have shown that Omp33-36 was highly polymorphic, we propose a potential antigen (PLAEAAFL motif) for vaccine development. According to PROVEAN analysis, the highly polymorphic structure of Omp33-36 porin should not influence its function significantly.
PB  - Public Library Science, San Francisco
T2  - PLoS One
T1  - Acinetobacter spp. porin Omp33-36: Classification and transcriptional response to carbapenems and host cells
IS  - 8
VL  - 13
DO  - 10.1371/journal.pone.0201608
ER  - 
@article{
author = "Novović, Katarina and Mihajlović, Sanja and Dinić, Miroslav and Malešević, Milka and Miljković, Marija and Kojić, Milan and Jovčić, Branko",
year = "2018",
abstract = "Acinetobacter baumannii has been recognized as one of the most challeging pathogens in clinical settings worldwide. Outer membrane porins play a significant role in Acinetobacter antibiotic resistance and virulence. A. baumannii carbapenem resistance and virulence factor porin Omp33-36 was the subject of this study. We investigated the omp33-36 gene transcriptional response in the growth phase, its response to carbapenems, and the effect of contact with host cells. Additionally, the cytotoxic effect of A. baumannii towards keratinocytes was assessed, as well as correlation between omp33-36 gene transcription and cytotoxicity. Further, Acinetobacter spp. Omp33-36 was classified and its characteristics relevant for vaccine candidature were determined. The level of the omp33-36 gene transcription varied between growth phases, but a common pattern could not be established among different strains. Treatment with subinhibitory concentrations of carbapenems decreased, while contact with keratinocytes increased omp33-36 expression in the analysed A. baumannii strains. Variations in omp33-36 mRNA levels did not correlate with cytotoxicity levels. Decrease of omp33-36 mRNA during treatment with subinhibitory concentrations of carbapenems, indicated the importance of transcriptional changes in reversible resistance to carbapenems due to the absence of Omp33-36. The transcription of omp33-36 increased after contact with keratinocytes, indicating the important role of de novo transcription during the initial phase of A. baumannii infection. Primary structural analysis of Acinetobacter spp. Omp33-36 revealed three distinct groups (among four A. baumannii variants). Although we have shown that Omp33-36 was highly polymorphic, we propose a potential antigen (PLAEAAFL motif) for vaccine development. According to PROVEAN analysis, the highly polymorphic structure of Omp33-36 porin should not influence its function significantly.",
publisher = "Public Library Science, San Francisco",
journal = "PLoS One",
title = "Acinetobacter spp. porin Omp33-36: Classification and transcriptional response to carbapenems and host cells",
number = "8",
volume = "13",
doi = "10.1371/journal.pone.0201608"
}
Novović, K., Mihajlović, S., Dinić, M., Malešević, M., Miljković, M., Kojić, M.,& Jovčić, B.. (2018). Acinetobacter spp. porin Omp33-36: Classification and transcriptional response to carbapenems and host cells. in PLoS One
Public Library Science, San Francisco., 13(8).
https://doi.org/10.1371/journal.pone.0201608
Novović K, Mihajlović S, Dinić M, Malešević M, Miljković M, Kojić M, Jovčić B. Acinetobacter spp. porin Omp33-36: Classification and transcriptional response to carbapenems and host cells. in PLoS One. 2018;13(8).
doi:10.1371/journal.pone.0201608 .
Novović, Katarina, Mihajlović, Sanja, Dinić, Miroslav, Malešević, Milka, Miljković, Marija, Kojić, Milan, Jovčić, Branko, "Acinetobacter spp. porin Omp33-36: Classification and transcriptional response to carbapenems and host cells" in PLoS One, 13, no. 8 (2018),
https://doi.org/10.1371/journal.pone.0201608 . .
2
17
2
16

Genotypic and Phenotypic Characterization of Stenotrophomonas maltophilia Strains from a Pediatric Tertiary Care Hospital in Serbia

Madi, Haowa; Lukić, Jovanka; Vasiljević, Zorica; Biocanin, Marjan; Kojić, Milan; Jovčić, Branko; Lozo, Jelena

(Public Library Science, San Francisco, 2016)

TY  - JOUR
AU  - Madi, Haowa
AU  - Lukić, Jovanka
AU  - Vasiljević, Zorica
AU  - Biocanin, Marjan
AU  - Kojić, Milan
AU  - Jovčić, Branko
AU  - Lozo, Jelena
PY  - 2016
UR  - https://imagine.imgge.bg.ac.rs/handle/123456789/923
UR  - http://intor.torlakinstitut.com/handle/123456789/745
AB  - Background Stenotrophomonas maltophilia is an environmental bacterium and an opportunistic pathogen usually associated with healthcare-associated infections, which has recently been recognized as a globally multi-drug resistant organism. The aim of this study was genotyping and physiological characterization of Stenotrophomonas maltophilia isolated in a large, tertiary care pediatric hospital in Belgrade, Serbia, hosting the national reference cystic fibrosis (CF) center for pediatric and adult patients. Methods We characterized 42 strains of cystic fibrosis (CF) and 46 strains of non-cystic fibrosis (non-CF) origin isolated from 2013 to 2015 in order to investigate their genetic relatedness and phenotypic traits. Genotyping was performed using sequencing of 16S rRNA gene, Pulse Field Gel Electrophoresis (PFGE) and Multi locus sequencing typing (MLST) analysis. Sensitivity to five relevant antimicrobial agents was determined, namely trimethoprim/sulfamethoxazole (TMP/SMX), chloramphenicol, ciprofloxacin, levofloxacin and tetracycline. Surface characteristics, motility, biofilm formation and adhesion to mucin were tested in all strains. Statistical approach was used to determine correlations between obtained results. Results Most of the isolates were not genetically related. Six new sequence types were determined. Strains were uniformly sensitive to all tested antimicrobial agents. The majority of isolates (89.8%) were able to form biofilm with almost equal representation in both CF and non-CF strains. Swimming motility was observed in all strains, while none of them exhibited swarming motility. Among strains able to adhere to mucin, no differences between CF and non-CF isolates were observed. Conclusions High genetic diversity among isolates implies the absence of clonal spread within the hospital. Positive correlation between motility, biofilm formation and adhesion to mucin was demonstrated. Biofilm formation and motility were more pronounced among non-CF than CF isolates.
PB  - Public Library Science, San Francisco
T2  - PLoS One
T1  - Genotypic and Phenotypic Characterization of Stenotrophomonas maltophilia Strains from a Pediatric Tertiary Care Hospital in Serbia
IS  - 10
VL  - 11
DO  - 10.1371/journal.pone.0165660
ER  - 
@article{
author = "Madi, Haowa and Lukić, Jovanka and Vasiljević, Zorica and Biocanin, Marjan and Kojić, Milan and Jovčić, Branko and Lozo, Jelena",
year = "2016",
abstract = "Background Stenotrophomonas maltophilia is an environmental bacterium and an opportunistic pathogen usually associated with healthcare-associated infections, which has recently been recognized as a globally multi-drug resistant organism. The aim of this study was genotyping and physiological characterization of Stenotrophomonas maltophilia isolated in a large, tertiary care pediatric hospital in Belgrade, Serbia, hosting the national reference cystic fibrosis (CF) center for pediatric and adult patients. Methods We characterized 42 strains of cystic fibrosis (CF) and 46 strains of non-cystic fibrosis (non-CF) origin isolated from 2013 to 2015 in order to investigate their genetic relatedness and phenotypic traits. Genotyping was performed using sequencing of 16S rRNA gene, Pulse Field Gel Electrophoresis (PFGE) and Multi locus sequencing typing (MLST) analysis. Sensitivity to five relevant antimicrobial agents was determined, namely trimethoprim/sulfamethoxazole (TMP/SMX), chloramphenicol, ciprofloxacin, levofloxacin and tetracycline. Surface characteristics, motility, biofilm formation and adhesion to mucin were tested in all strains. Statistical approach was used to determine correlations between obtained results. Results Most of the isolates were not genetically related. Six new sequence types were determined. Strains were uniformly sensitive to all tested antimicrobial agents. The majority of isolates (89.8%) were able to form biofilm with almost equal representation in both CF and non-CF strains. Swimming motility was observed in all strains, while none of them exhibited swarming motility. Among strains able to adhere to mucin, no differences between CF and non-CF isolates were observed. Conclusions High genetic diversity among isolates implies the absence of clonal spread within the hospital. Positive correlation between motility, biofilm formation and adhesion to mucin was demonstrated. Biofilm formation and motility were more pronounced among non-CF than CF isolates.",
publisher = "Public Library Science, San Francisco",
journal = "PLoS One",
title = "Genotypic and Phenotypic Characterization of Stenotrophomonas maltophilia Strains from a Pediatric Tertiary Care Hospital in Serbia",
number = "10",
volume = "11",
doi = "10.1371/journal.pone.0165660"
}
Madi, H., Lukić, J., Vasiljević, Z., Biocanin, M., Kojić, M., Jovčić, B.,& Lozo, J.. (2016). Genotypic and Phenotypic Characterization of Stenotrophomonas maltophilia Strains from a Pediatric Tertiary Care Hospital in Serbia. in PLoS One
Public Library Science, San Francisco., 11(10).
https://doi.org/10.1371/journal.pone.0165660
Madi H, Lukić J, Vasiljević Z, Biocanin M, Kojić M, Jovčić B, Lozo J. Genotypic and Phenotypic Characterization of Stenotrophomonas maltophilia Strains from a Pediatric Tertiary Care Hospital in Serbia. in PLoS One. 2016;11(10).
doi:10.1371/journal.pone.0165660 .
Madi, Haowa, Lukić, Jovanka, Vasiljević, Zorica, Biocanin, Marjan, Kojić, Milan, Jovčić, Branko, Lozo, Jelena, "Genotypic and Phenotypic Characterization of Stenotrophomonas maltophilia Strains from a Pediatric Tertiary Care Hospital in Serbia" in PLoS One, 11, no. 10 (2016),
https://doi.org/10.1371/journal.pone.0165660 . .
38
3
35

Burkholderia cepacia complex in Serbian patients with cystic fibrosis: prevalence and molecular epidemiology

Vasiljević, Z. V.; Novović, Katarina; Kojić, Milan; Minić, Predrag; Sovtić, A.; Đukić, S.; Jovčić, Branko

(Springer, New York, 2016)

TY  - JOUR
AU  - Vasiljević, Z. V.
AU  - Novović, Katarina
AU  - Kojić, Milan
AU  - Minić, Predrag
AU  - Sovtić, A.
AU  - Đukić, S.
AU  - Jovčić, Branko
PY  - 2016
UR  - https://imagine.imgge.bg.ac.rs/handle/123456789/908
UR  - http://intor.torlakinstitut.com/handle/123456789/704
AB  - The Burkholderia cepacia complex (Bcc) organisms remain significant pathogens in patients with cystic fibrosis (CF). This study was performed to evaluate the prevalence, epidemiological characteristics, and presence of molecular markers associated with virulence and transmissibility of the Bcc strains in the National CF Centre in Belgrade, Serbia. The Bcc isolates collected during the four-year study period (2010-2013) were further examined by 16 s rRNA gene, pulsed-field gel electrophoresis of genomic DNA, multilocus sequence typing analysis, and phylogenetic analysis based on concatenated sequence of seven alleles. Fifty out of 184 patients (27.2 %) were colonized with two Bcc species, B. cenocepacia (n = 49) and B. stabilis (n = 1). Thirty-four patients (18.5 %) had chronic colonization. Typing methods revealed a high level of similarity among Bcc isolates, indicating a person-to-person transmission or acquisition from a common source. New sequence types (STs) were identified, and none of the STs with an international distribution were found. One centre-specific ST, B. cenocepacia ST856, was highly dominant and shared by 48/50 (96 %) patients colonized by Bcc. This clone was characterized by PCR positivity for both the B. cepacia epidemic strain marker and cable pilin, and showed close genetic relatedness to the epidemic strain CZ1 (ST32). These results indicate that the impact of Bcc on airway colonization in the Serbian CF population is high and virtually exclusively limited to a single clone of B. cenocepacia. The presence of a highly transmissible clone and probable patient-to-patient spread was observed.
PB  - Springer, New York
T2  - European Journal of Clinical Microbiology & Infectious Diseases
T1  - Burkholderia cepacia complex in Serbian patients with cystic fibrosis: prevalence and molecular epidemiology
EP  - 1284
IS  - 8
SP  - 1277
VL  - 35
DO  - 10.1007/s10096-016-2662-4
ER  - 
@article{
author = "Vasiljević, Z. V. and Novović, Katarina and Kojić, Milan and Minić, Predrag and Sovtić, A. and Đukić, S. and Jovčić, Branko",
year = "2016",
abstract = "The Burkholderia cepacia complex (Bcc) organisms remain significant pathogens in patients with cystic fibrosis (CF). This study was performed to evaluate the prevalence, epidemiological characteristics, and presence of molecular markers associated with virulence and transmissibility of the Bcc strains in the National CF Centre in Belgrade, Serbia. The Bcc isolates collected during the four-year study period (2010-2013) were further examined by 16 s rRNA gene, pulsed-field gel electrophoresis of genomic DNA, multilocus sequence typing analysis, and phylogenetic analysis based on concatenated sequence of seven alleles. Fifty out of 184 patients (27.2 %) were colonized with two Bcc species, B. cenocepacia (n = 49) and B. stabilis (n = 1). Thirty-four patients (18.5 %) had chronic colonization. Typing methods revealed a high level of similarity among Bcc isolates, indicating a person-to-person transmission or acquisition from a common source. New sequence types (STs) were identified, and none of the STs with an international distribution were found. One centre-specific ST, B. cenocepacia ST856, was highly dominant and shared by 48/50 (96 %) patients colonized by Bcc. This clone was characterized by PCR positivity for both the B. cepacia epidemic strain marker and cable pilin, and showed close genetic relatedness to the epidemic strain CZ1 (ST32). These results indicate that the impact of Bcc on airway colonization in the Serbian CF population is high and virtually exclusively limited to a single clone of B. cenocepacia. The presence of a highly transmissible clone and probable patient-to-patient spread was observed.",
publisher = "Springer, New York",
journal = "European Journal of Clinical Microbiology & Infectious Diseases",
title = "Burkholderia cepacia complex in Serbian patients with cystic fibrosis: prevalence and molecular epidemiology",
pages = "1284-1277",
number = "8",
volume = "35",
doi = "10.1007/s10096-016-2662-4"
}
Vasiljević, Z. V., Novović, K., Kojić, M., Minić, P., Sovtić, A., Đukić, S.,& Jovčić, B.. (2016). Burkholderia cepacia complex in Serbian patients with cystic fibrosis: prevalence and molecular epidemiology. in European Journal of Clinical Microbiology & Infectious Diseases
Springer, New York., 35(8), 1277-1284.
https://doi.org/10.1007/s10096-016-2662-4
Vasiljević ZV, Novović K, Kojić M, Minić P, Sovtić A, Đukić S, Jovčić B. Burkholderia cepacia complex in Serbian patients with cystic fibrosis: prevalence and molecular epidemiology. in European Journal of Clinical Microbiology & Infectious Diseases. 2016;35(8):1277-1284.
doi:10.1007/s10096-016-2662-4 .
Vasiljević, Z. V., Novović, Katarina, Kojić, Milan, Minić, Predrag, Sovtić, A., Đukić, S., Jovčić, Branko, "Burkholderia cepacia complex in Serbian patients with cystic fibrosis: prevalence and molecular epidemiology" in European Journal of Clinical Microbiology & Infectious Diseases, 35, no. 8 (2016):1277-1284,
https://doi.org/10.1007/s10096-016-2662-4 . .
1
10
5
11

Expression of bacteriocin LsbB is dependent on a transcription terminator

Uzelac, Gordana; Miljković, Marija; Lozo, Jelena; Radulović, Zorica; Tošić, Nataša; Kojić, Milan

(Elsevier Gmbh, Urban & Fischer Verlag, Jena, 2015)

TY  - JOUR
AU  - Uzelac, Gordana
AU  - Miljković, Marija
AU  - Lozo, Jelena
AU  - Radulović, Zorica
AU  - Tošić, Nataša
AU  - Kojić, Milan
PY  - 2015
UR  - http://intor.torlakinstitut.com/handle/123456789/741
AB  - The production of LsbB, leaderless class II bacteriocin, is encoded by genes (lsbB and lmrB) located on plasmid pMN5 in Lactococcus lactis BGMN1-5. Heterologous expression of the lsbB gene using the pAZIL vector (pAZIL-lsbB) in L. lactis subsp. cremoris MG7284 resulted in a significant reduction (more than 30 times) of bacteriocin LsbB expression. Subcloning and deletion experiments with plasmid pMN5 revealed that full expression of LsbB requires the presence of a complete transcription terminator located downstream of the lsbB gene. RNA stability analysis revealed that the presence of a transcription terminator increased the RNA stability by three times and the expression of LsbB by 30 times. The study of the influence of transcription terminator on the expression of other bacteriocin genes (lcnB, for lactococcin B production) indicated that this translational terminator likely functions in a lsbB-specific manner rather than in a general manner.
PB  - Elsevier Gmbh, Urban & Fischer Verlag, Jena
T2  - Microbiological Research
T1  - Expression of bacteriocin LsbB is dependent on a transcription terminator
EP  - 53
SP  - 45
VL  - 179
DO  - 10.1016/j.micres.2015.06.011
ER  - 
@article{
author = "Uzelac, Gordana and Miljković, Marija and Lozo, Jelena and Radulović, Zorica and Tošić, Nataša and Kojić, Milan",
year = "2015",
abstract = "The production of LsbB, leaderless class II bacteriocin, is encoded by genes (lsbB and lmrB) located on plasmid pMN5 in Lactococcus lactis BGMN1-5. Heterologous expression of the lsbB gene using the pAZIL vector (pAZIL-lsbB) in L. lactis subsp. cremoris MG7284 resulted in a significant reduction (more than 30 times) of bacteriocin LsbB expression. Subcloning and deletion experiments with plasmid pMN5 revealed that full expression of LsbB requires the presence of a complete transcription terminator located downstream of the lsbB gene. RNA stability analysis revealed that the presence of a transcription terminator increased the RNA stability by three times and the expression of LsbB by 30 times. The study of the influence of transcription terminator on the expression of other bacteriocin genes (lcnB, for lactococcin B production) indicated that this translational terminator likely functions in a lsbB-specific manner rather than in a general manner.",
publisher = "Elsevier Gmbh, Urban & Fischer Verlag, Jena",
journal = "Microbiological Research",
title = "Expression of bacteriocin LsbB is dependent on a transcription terminator",
pages = "53-45",
volume = "179",
doi = "10.1016/j.micres.2015.06.011"
}
Uzelac, G., Miljković, M., Lozo, J., Radulović, Z., Tošić, N.,& Kojić, M.. (2015). Expression of bacteriocin LsbB is dependent on a transcription terminator. in Microbiological Research
Elsevier Gmbh, Urban & Fischer Verlag, Jena., 179, 45-53.
https://doi.org/10.1016/j.micres.2015.06.011
Uzelac G, Miljković M, Lozo J, Radulović Z, Tošić N, Kojić M. Expression of bacteriocin LsbB is dependent on a transcription terminator. in Microbiological Research. 2015;179:45-53.
doi:10.1016/j.micres.2015.06.011 .
Uzelac, Gordana, Miljković, Marija, Lozo, Jelena, Radulović, Zorica, Tošić, Nataša, Kojić, Milan, "Expression of bacteriocin LsbB is dependent on a transcription terminator" in Microbiological Research, 179 (2015):45-53,
https://doi.org/10.1016/j.micres.2015.06.011 . .
22
16
20

Exopolysaccharide Production and Ropy Phenotype Are Determined by Two Gene Clusters in Putative Probiotic Strain Lactobacillus paraplantarum BGCG11

Živković, Milica; Miljković, Marija; Ruas-Madiedo, Patricia; Strahinić, Ivana; Tolinački, Maja; Golić, Nataša; Kojić, Milan

(Amer Soc Microbiology, Washington, 2015)

TY  - JOUR
AU  - Živković, Milica
AU  - Miljković, Marija
AU  - Ruas-Madiedo, Patricia
AU  - Strahinić, Ivana
AU  - Tolinački, Maja
AU  - Golić, Nataša
AU  - Kojić, Milan
PY  - 2015
UR  - https://imagine.imgge.bg.ac.rs/handle/123456789/886
UR  - http://intor.torlakinstitut.com/handle/123456789/738
AB  - Lactobacillus paraplantarum BGCG11, a putative probiotic strain isolated from a soft, white, artisanal cheese, produces a high-molecular-weight heteropolysaccharide, exopolysaccharide (EPS)-CG11, responsible for the ropy phenotype and immunomodulatory activity of the strain. In this study, a 26.4-kb region originating from the pCG1 plasmid, previously shown to be responsible for the production of EPS-CG11 and a ropy phenotype, was cloned, sequenced, and functionally characterized. In this region 16 putative open reading frames (ORFs), encoding enzymes for the production of EPS-CG11, were organized in specific loci involved in the biosynthesis of the repeat unit, polymerization, export, regulation, and chain length determination. Interestingly, downstream of the eps gene cluster, a putative transposase gene was identified, followed by an additional rfb gene cluster containing the rfbACBD genes, the ones most probably responsible for dTDP-L-rhamnose biosynthesis. The functional analysis showed that the production of the high-molecular-weight fraction of EPS-CG11 was absent in two knockout mutants, one in the eps and the other in the rfb gene cluster, as confirmed by size exclusion chromatography analysis. Therefore, both eps and rfb genes clusters are prerequisites for the production of high-molecular-weight EPS-CG11 and for the ropy phenotype of strain L. paraplantarum BGCG11.
PB  - Amer Soc Microbiology, Washington
T2  - Applied and Environmental Microbiology
T1  - Exopolysaccharide Production and Ropy Phenotype Are Determined by Two Gene Clusters in Putative Probiotic Strain Lactobacillus paraplantarum BGCG11
EP  - 1396
IS  - 4
SP  - 1387
VL  - 81
DO  - 10.1128/AEM.03028-14
ER  - 
@article{
author = "Živković, Milica and Miljković, Marija and Ruas-Madiedo, Patricia and Strahinić, Ivana and Tolinački, Maja and Golić, Nataša and Kojić, Milan",
year = "2015",
abstract = "Lactobacillus paraplantarum BGCG11, a putative probiotic strain isolated from a soft, white, artisanal cheese, produces a high-molecular-weight heteropolysaccharide, exopolysaccharide (EPS)-CG11, responsible for the ropy phenotype and immunomodulatory activity of the strain. In this study, a 26.4-kb region originating from the pCG1 plasmid, previously shown to be responsible for the production of EPS-CG11 and a ropy phenotype, was cloned, sequenced, and functionally characterized. In this region 16 putative open reading frames (ORFs), encoding enzymes for the production of EPS-CG11, were organized in specific loci involved in the biosynthesis of the repeat unit, polymerization, export, regulation, and chain length determination. Interestingly, downstream of the eps gene cluster, a putative transposase gene was identified, followed by an additional rfb gene cluster containing the rfbACBD genes, the ones most probably responsible for dTDP-L-rhamnose biosynthesis. The functional analysis showed that the production of the high-molecular-weight fraction of EPS-CG11 was absent in two knockout mutants, one in the eps and the other in the rfb gene cluster, as confirmed by size exclusion chromatography analysis. Therefore, both eps and rfb genes clusters are prerequisites for the production of high-molecular-weight EPS-CG11 and for the ropy phenotype of strain L. paraplantarum BGCG11.",
publisher = "Amer Soc Microbiology, Washington",
journal = "Applied and Environmental Microbiology",
title = "Exopolysaccharide Production and Ropy Phenotype Are Determined by Two Gene Clusters in Putative Probiotic Strain Lactobacillus paraplantarum BGCG11",
pages = "1396-1387",
number = "4",
volume = "81",
doi = "10.1128/AEM.03028-14"
}
Živković, M., Miljković, M., Ruas-Madiedo, P., Strahinić, I., Tolinački, M., Golić, N.,& Kojić, M.. (2015). Exopolysaccharide Production and Ropy Phenotype Are Determined by Two Gene Clusters in Putative Probiotic Strain Lactobacillus paraplantarum BGCG11. in Applied and Environmental Microbiology
Amer Soc Microbiology, Washington., 81(4), 1387-1396.
https://doi.org/10.1128/AEM.03028-14
Živković M, Miljković M, Ruas-Madiedo P, Strahinić I, Tolinački M, Golić N, Kojić M. Exopolysaccharide Production and Ropy Phenotype Are Determined by Two Gene Clusters in Putative Probiotic Strain Lactobacillus paraplantarum BGCG11. in Applied and Environmental Microbiology. 2015;81(4):1387-1396.
doi:10.1128/AEM.03028-14 .
Živković, Milica, Miljković, Marija, Ruas-Madiedo, Patricia, Strahinić, Ivana, Tolinački, Maja, Golić, Nataša, Kojić, Milan, "Exopolysaccharide Production and Ropy Phenotype Are Determined by Two Gene Clusters in Putative Probiotic Strain Lactobacillus paraplantarum BGCG11" in Applied and Environmental Microbiology, 81, no. 4 (2015):1387-1396,
https://doi.org/10.1128/AEM.03028-14 . .
38
11
33

Environmental waters as a source of antibiotic-resistant Enterococcus species in Belgrade, Serbia

Veljović, Katarina; Popović, Nikola; Terzić-Vidojević, Amarela; Tolinački, Maja; Mihajlović, Sanja; Jovčić, Branko; Kojić, Milan

(Springer, Dordrecht, 2015)

TY  - JOUR
AU  - Veljović, Katarina
AU  - Popović, Nikola
AU  - Terzić-Vidojević, Amarela
AU  - Tolinački, Maja
AU  - Mihajlović, Sanja
AU  - Jovčić, Branko
AU  - Kojić, Milan
PY  - 2015
UR  - https://imagine.imgge.bg.ac.rs/handle/123456789/818
UR  - http://intor.torlakinstitut.com/handle/123456789/736
AB  - Despite the number of studies on antibiotic-resistant enterococci from Serbian clinical settings, there are no data about environmental contamination with these bacteria. Thus, this study investigated the prevalence of antibiotic-resistant enterococci in Belgrade, Serbia. Enterococcus species collected from ten surface water sites, including a lake, two major river systems, and springs, were tested. Among enterococci, we found single (21.7 %), double (17.4 %), and multiple antibiotic resistance patterns (56.3 %). Vancomycin-resistant strains were not found, indicating that their abundance in Belgrade is tightly linked to clinical settings. The multiple drug-resistant strains Enterococcus faecalis, Enterococcus faecium, and Enterococcus mundtii were frequently detected in the lake during the swimming season and in the rivers near industrial zones. We confirmed the presence of ermB, ermC, ant(6)-Ia, tetM, and tetL and mutations in gyrA genes. The phylogenetic analysis of 16S rRNA gene of E. faecium isolates that harbor esp gene classified them into two groups based on high-bootstraps scores in the tree analysis. Pulsed-field gel electrophoresis analysis of antibiotic-resistant enterococci revealed genomic similarity ranging from 75 to 100 %. This study indicates the importance of anthropogenic impact to the spread of antibiotic-resistant enterococci in environmental waters of Belgrade, Serbia.
PB  - Springer, Dordrecht
T2  - Environmental Monitoring and Assessment
T1  - Environmental waters as a source of antibiotic-resistant Enterococcus species in Belgrade, Serbia
IS  - 9
VL  - 187
DO  - 10.1007/s10661-015-4814-x
ER  - 
@article{
author = "Veljović, Katarina and Popović, Nikola and Terzić-Vidojević, Amarela and Tolinački, Maja and Mihajlović, Sanja and Jovčić, Branko and Kojić, Milan",
year = "2015",
abstract = "Despite the number of studies on antibiotic-resistant enterococci from Serbian clinical settings, there are no data about environmental contamination with these bacteria. Thus, this study investigated the prevalence of antibiotic-resistant enterococci in Belgrade, Serbia. Enterococcus species collected from ten surface water sites, including a lake, two major river systems, and springs, were tested. Among enterococci, we found single (21.7 %), double (17.4 %), and multiple antibiotic resistance patterns (56.3 %). Vancomycin-resistant strains were not found, indicating that their abundance in Belgrade is tightly linked to clinical settings. The multiple drug-resistant strains Enterococcus faecalis, Enterococcus faecium, and Enterococcus mundtii were frequently detected in the lake during the swimming season and in the rivers near industrial zones. We confirmed the presence of ermB, ermC, ant(6)-Ia, tetM, and tetL and mutations in gyrA genes. The phylogenetic analysis of 16S rRNA gene of E. faecium isolates that harbor esp gene classified them into two groups based on high-bootstraps scores in the tree analysis. Pulsed-field gel electrophoresis analysis of antibiotic-resistant enterococci revealed genomic similarity ranging from 75 to 100 %. This study indicates the importance of anthropogenic impact to the spread of antibiotic-resistant enterococci in environmental waters of Belgrade, Serbia.",
publisher = "Springer, Dordrecht",
journal = "Environmental Monitoring and Assessment",
title = "Environmental waters as a source of antibiotic-resistant Enterococcus species in Belgrade, Serbia",
number = "9",
volume = "187",
doi = "10.1007/s10661-015-4814-x"
}
Veljović, K., Popović, N., Terzić-Vidojević, A., Tolinački, M., Mihajlović, S., Jovčić, B.,& Kojić, M.. (2015). Environmental waters as a source of antibiotic-resistant Enterococcus species in Belgrade, Serbia. in Environmental Monitoring and Assessment
Springer, Dordrecht., 187(9).
https://doi.org/10.1007/s10661-015-4814-x
Veljović K, Popović N, Terzić-Vidojević A, Tolinački M, Mihajlović S, Jovčić B, Kojić M. Environmental waters as a source of antibiotic-resistant Enterococcus species in Belgrade, Serbia. in Environmental Monitoring and Assessment. 2015;187(9).
doi:10.1007/s10661-015-4814-x .
Veljović, Katarina, Popović, Nikola, Terzić-Vidojević, Amarela, Tolinački, Maja, Mihajlović, Sanja, Jovčić, Branko, Kojić, Milan, "Environmental waters as a source of antibiotic-resistant Enterococcus species in Belgrade, Serbia" in Environmental Monitoring and Assessment, 187, no. 9 (2015),
https://doi.org/10.1007/s10661-015-4814-x . .
1
13
6
11

Evaluation of autochthonous lactic acid bacteria as starter cultures for production of white pickled and fresh soft cheeses

Terzić-Vidojević, Amarela; Tonković, Katarina; Pavunc, Andreja Lebos; Beganović, Jasna; Strahinić, Ivana; Kojić, Milan; Veljović, Katarina; Golić, Nataša; Kos, Blazenka; Cadez, Neza; Gregurek, Ljerka; Susković, Jagoda; Raspor, Peter; Topisirović, Ljubiša

(Elsevier, Amsterdam, 2015)

TY  - JOUR
AU  - Terzić-Vidojević, Amarela
AU  - Tonković, Katarina
AU  - Pavunc, Andreja Lebos
AU  - Beganović, Jasna
AU  - Strahinić, Ivana
AU  - Kojić, Milan
AU  - Veljović, Katarina
AU  - Golić, Nataša
AU  - Kos, Blazenka
AU  - Cadez, Neza
AU  - Gregurek, Ljerka
AU  - Susković, Jagoda
AU  - Raspor, Peter
AU  - Topisirović, Ljubiša
PY  - 2015
UR  - https://imagine.imgge.bg.ac.rs/handle/123456789/799
UR  - http://intor.torlakinstitut.com/handle/123456789/737
AB  - In order to preserve the traditional manufacturing of white pickled (WPC) and fresh soft cheeses (FSC), well-characterized autochthonous lactic acid bacteria (LAB) with advantageous characteristics were applied for the production of the cheeses at small industrial scale under the controlled conditions. Selected LAB for design of defined mixed starter cultures belonged to Lactococcus lactis ZGBP5-9, Enterococcus faecium ZGPR1-54 and Lactobacillus plantarum ZGPR2-25 for FSC production and to Lc. lactis BGAL1-4, Lactobacillus brevis BGGO7-28 and Lb. plantarum BGGO7-29 for WPC production. A sensory evaluation indicated that the cheeses obtained by inoculation with selected autochthonous LAB are similar to the traditional cheese and received the best scores. Viable cell counts of LAB used for the production of both type chesses was high, over 10(6) cfu g(-1). High viability of the surveyed strains was supported with PCR-DGGE, which confirm the retention of selected LAB strains as starter cultures in cheese production. Next, PFGE analysis showed that each single strains, selected in particular cheese mixed culture, revealed unique SmaI PFGE pattern that could enable efficient discrimination and monitoring of the strains in industrial process. As some of the selected LAB strains are attributed as potential probiotics, produced cheeses could be considered as functional food.
PB  - Elsevier, Amsterdam
T2  - Lwt-Food Science and Technology
T1  - Evaluation of autochthonous lactic acid bacteria as starter cultures for production of white pickled and fresh soft cheeses
EP  - 306
IS  - 1
SP  - 298
VL  - 63
DO  - 10.1016/j.lwt.2015.03.050
ER  - 
@article{
author = "Terzić-Vidojević, Amarela and Tonković, Katarina and Pavunc, Andreja Lebos and Beganović, Jasna and Strahinić, Ivana and Kojić, Milan and Veljović, Katarina and Golić, Nataša and Kos, Blazenka and Cadez, Neza and Gregurek, Ljerka and Susković, Jagoda and Raspor, Peter and Topisirović, Ljubiša",
year = "2015",
abstract = "In order to preserve the traditional manufacturing of white pickled (WPC) and fresh soft cheeses (FSC), well-characterized autochthonous lactic acid bacteria (LAB) with advantageous characteristics were applied for the production of the cheeses at small industrial scale under the controlled conditions. Selected LAB for design of defined mixed starter cultures belonged to Lactococcus lactis ZGBP5-9, Enterococcus faecium ZGPR1-54 and Lactobacillus plantarum ZGPR2-25 for FSC production and to Lc. lactis BGAL1-4, Lactobacillus brevis BGGO7-28 and Lb. plantarum BGGO7-29 for WPC production. A sensory evaluation indicated that the cheeses obtained by inoculation with selected autochthonous LAB are similar to the traditional cheese and received the best scores. Viable cell counts of LAB used for the production of both type chesses was high, over 10(6) cfu g(-1). High viability of the surveyed strains was supported with PCR-DGGE, which confirm the retention of selected LAB strains as starter cultures in cheese production. Next, PFGE analysis showed that each single strains, selected in particular cheese mixed culture, revealed unique SmaI PFGE pattern that could enable efficient discrimination and monitoring of the strains in industrial process. As some of the selected LAB strains are attributed as potential probiotics, produced cheeses could be considered as functional food.",
publisher = "Elsevier, Amsterdam",
journal = "Lwt-Food Science and Technology",
title = "Evaluation of autochthonous lactic acid bacteria as starter cultures for production of white pickled and fresh soft cheeses",
pages = "306-298",
number = "1",
volume = "63",
doi = "10.1016/j.lwt.2015.03.050"
}
Terzić-Vidojević, A., Tonković, K., Pavunc, A. L., Beganović, J., Strahinić, I., Kojić, M., Veljović, K., Golić, N., Kos, B., Cadez, N., Gregurek, L., Susković, J., Raspor, P.,& Topisirović, L.. (2015). Evaluation of autochthonous lactic acid bacteria as starter cultures for production of white pickled and fresh soft cheeses. in Lwt-Food Science and Technology
Elsevier, Amsterdam., 63(1), 298-306.
https://doi.org/10.1016/j.lwt.2015.03.050
Terzić-Vidojević A, Tonković K, Pavunc AL, Beganović J, Strahinić I, Kojić M, Veljović K, Golić N, Kos B, Cadez N, Gregurek L, Susković J, Raspor P, Topisirović L. Evaluation of autochthonous lactic acid bacteria as starter cultures for production of white pickled and fresh soft cheeses. in Lwt-Food Science and Technology. 2015;63(1):298-306.
doi:10.1016/j.lwt.2015.03.050 .
Terzić-Vidojević, Amarela, Tonković, Katarina, Pavunc, Andreja Lebos, Beganović, Jasna, Strahinić, Ivana, Kojić, Milan, Veljović, Katarina, Golić, Nataša, Kos, Blazenka, Cadez, Neza, Gregurek, Ljerka, Susković, Jagoda, Raspor, Peter, Topisirović, Ljubiša, "Evaluation of autochthonous lactic acid bacteria as starter cultures for production of white pickled and fresh soft cheeses" in Lwt-Food Science and Technology, 63, no. 1 (2015):298-306,
https://doi.org/10.1016/j.lwt.2015.03.050 . .
26
12
28

Diversity and antibiotic susceptibility of autochthonous dairy enterococci isolates: are they safe candidates for autochthonous starter cultures?

Terzić-Vidojević, Amarela; Veljović, Katarina; Begović, Jelena; Filipić, Brankica; Popović, Dušanka; Tolinački, Maja; Miljković, Marija; Kojić, Milan; Golić, Nataša

(Frontiers Media Sa, Lausanne, 2015)

TY  - JOUR
AU  - Terzić-Vidojević, Amarela
AU  - Veljović, Katarina
AU  - Begović, Jelena
AU  - Filipić, Brankica
AU  - Popović, Dušanka
AU  - Tolinački, Maja
AU  - Miljković, Marija
AU  - Kojić, Milan
AU  - Golić, Nataša
PY  - 2015
UR  - https://imagine.imgge.bg.ac.rs/handle/123456789/820
UR  - http://intor.torlakinstitut.com/handle/123456789/731
AB  - Enterococci represent the most controversial group of dairy bacteria. They are found to be the main constituent of many traditional Mediterranean dairy products and contribute to their characteristic taste and flavor. On the other hand, during the last 50 years antibiotic resistant enterococci have emerged as leading causes of nosocomial infections worldwide. The aim of this study was to determine the diversity, technological properties, antibiotic susceptibility and virulence traits of 636 enterococci previously isolated from 55 artisan dairy products from 12 locations in the Western Balkan countries (WBC) of Serbia, Croatia and Bosnia and Herzegovina. All strains were identified both by microbiological and molecular methods. The predominant species was Enterococcus durans, followed by Enterococcus faecalis and Enterococcus faecium. Over 44% of the isolates were resistant to ciprofloxacin and erythromycin, while 26.2% of the isolates were multi resistant to three or more antibiotics belonging to different families. 185 isolates (29.1%) were susceptible to all 13 of the antibiotics tested. The antibiotic-susceptible isolates were further tested for possible virulence genes and the production of biogenic amines. Finally, five enterococci isolates were found to be antibiotic susceptible with good technological characteristics and without virulence traits or the ability to produce biogenic amines, making them possible candidates for biotechnological application as starter cultures in the dairy industry.
PB  - Frontiers Media Sa, Lausanne
T2  - Frontiers in Microbiology
T1  - Diversity and antibiotic susceptibility of autochthonous dairy enterococci isolates: are they safe candidates for autochthonous starter cultures?
VL  - 6
DO  - 10.3389/fmicb.2015.00954
ER  - 
@article{
author = "Terzić-Vidojević, Amarela and Veljović, Katarina and Begović, Jelena and Filipić, Brankica and Popović, Dušanka and Tolinački, Maja and Miljković, Marija and Kojić, Milan and Golić, Nataša",
year = "2015",
abstract = "Enterococci represent the most controversial group of dairy bacteria. They are found to be the main constituent of many traditional Mediterranean dairy products and contribute to their characteristic taste and flavor. On the other hand, during the last 50 years antibiotic resistant enterococci have emerged as leading causes of nosocomial infections worldwide. The aim of this study was to determine the diversity, technological properties, antibiotic susceptibility and virulence traits of 636 enterococci previously isolated from 55 artisan dairy products from 12 locations in the Western Balkan countries (WBC) of Serbia, Croatia and Bosnia and Herzegovina. All strains were identified both by microbiological and molecular methods. The predominant species was Enterococcus durans, followed by Enterococcus faecalis and Enterococcus faecium. Over 44% of the isolates were resistant to ciprofloxacin and erythromycin, while 26.2% of the isolates were multi resistant to three or more antibiotics belonging to different families. 185 isolates (29.1%) were susceptible to all 13 of the antibiotics tested. The antibiotic-susceptible isolates were further tested for possible virulence genes and the production of biogenic amines. Finally, five enterococci isolates were found to be antibiotic susceptible with good technological characteristics and without virulence traits or the ability to produce biogenic amines, making them possible candidates for biotechnological application as starter cultures in the dairy industry.",
publisher = "Frontiers Media Sa, Lausanne",
journal = "Frontiers in Microbiology",
title = "Diversity and antibiotic susceptibility of autochthonous dairy enterococci isolates: are they safe candidates for autochthonous starter cultures?",
volume = "6",
doi = "10.3389/fmicb.2015.00954"
}
Terzić-Vidojević, A., Veljović, K., Begović, J., Filipić, B., Popović, D., Tolinački, M., Miljković, M., Kojić, M.,& Golić, N.. (2015). Diversity and antibiotic susceptibility of autochthonous dairy enterococci isolates: are they safe candidates for autochthonous starter cultures?. in Frontiers in Microbiology
Frontiers Media Sa, Lausanne., 6.
https://doi.org/10.3389/fmicb.2015.00954
Terzić-Vidojević A, Veljović K, Begović J, Filipić B, Popović D, Tolinački M, Miljković M, Kojić M, Golić N. Diversity and antibiotic susceptibility of autochthonous dairy enterococci isolates: are they safe candidates for autochthonous starter cultures?. in Frontiers in Microbiology. 2015;6.
doi:10.3389/fmicb.2015.00954 .
Terzić-Vidojević, Amarela, Veljović, Katarina, Begović, Jelena, Filipić, Brankica, Popović, Dušanka, Tolinački, Maja, Miljković, Marija, Kojić, Milan, Golić, Nataša, "Diversity and antibiotic susceptibility of autochthonous dairy enterococci isolates: are they safe candidates for autochthonous starter cultures?" in Frontiers in Microbiology, 6 (2015),
https://doi.org/10.3389/fmicb.2015.00954 . .
1
32
17
29

Characterization of lactic acid bacteria isolated from Bosnian artisanal dry fermented sausage sudzuk) during fermentation

Colo, Josip; Mihajlović, Sanja; Tolinački, Maja; Alkić, Mersiha; Popović, Dušanka; Kojić, Milan; Terzić-Vidojević, Amarela

(Društvo genetičara Srbije, Beograd, 2015)

TY  - JOUR
AU  - Colo, Josip
AU  - Mihajlović, Sanja
AU  - Tolinački, Maja
AU  - Alkić, Mersiha
AU  - Popović, Dušanka
AU  - Kojić, Milan
AU  - Terzić-Vidojević, Amarela
PY  - 2015
UR  - https://imagine.imgge.bg.ac.rs/handle/123456789/803
UR  - http://intor.torlakinstitut.com/handle/123456789/717
AB  - Bosnian sudzuk is a dry fermented sausage produced in a rural household near the town of Visoko in central Bosnia and Herzegovina. This kind of sausage was manufactured only from beef and spices in a traditional way without the addition of a starter cultures. To identify lactic acid bacteria (LAB), a total number of 160 LAB strains were isolated from five samples of Bosnian sudzuk collected over 28 days of fermentation. Preliminary identification by phenotypic tests and 16S rDNA sequencing were performed for all 160 of the LAB isolates. Identification of LAB strains from traditionally produced Bosnian sausage at the species level revealed the presence of six genera: Lactococcus sp., Enterococcus sp., Leuconostoc sp., Lactobacillus sp., Pediococcus sp. and Weissella sp.. Among the 15 distinct species identified, the species Lactobacillus plantarum, Leuconostoc mesenteroides, Lactococcus lactis, Enterococcus faecalis and Enterococcus durans were present throughout the entire process of fermentation. Leuconostoc mesenteroides, Lactobacillus plantarum and Lactococcus lactis prevailed, with 21.8%, 19.3% and 13.1%, respectively, of total LAB strains during the entire fermentation process. Significant negative correlations (r = 0.892 and r = 0.829, respectively) between the presence of Weissella sp. and Lactobacillus sp., and between the presence of Weissella sp. and Lactococcus sp. were recorded. Lactobacillus plantarum, Enterococcus durans and Leuconostoc mesenteroides were the best producers of aromogenic compounds while 32.3% of Lactobacillus plantarum and 28.6% of Leuconostoc mesenteroides were produced exopolysaccharides.
PB  - Društvo genetičara Srbije, Beograd
T2  - Genetika-Belgrade
T1  - Characterization of lactic acid bacteria isolated from Bosnian artisanal dry fermented sausage sudzuk) during fermentation
EP  - 832
IS  - 3
SP  - 819
VL  - 47
DO  - 10.2298/GENSR1503819C
ER  - 
@article{
author = "Colo, Josip and Mihajlović, Sanja and Tolinački, Maja and Alkić, Mersiha and Popović, Dušanka and Kojić, Milan and Terzić-Vidojević, Amarela",
year = "2015",
abstract = "Bosnian sudzuk is a dry fermented sausage produced in a rural household near the town of Visoko in central Bosnia and Herzegovina. This kind of sausage was manufactured only from beef and spices in a traditional way without the addition of a starter cultures. To identify lactic acid bacteria (LAB), a total number of 160 LAB strains were isolated from five samples of Bosnian sudzuk collected over 28 days of fermentation. Preliminary identification by phenotypic tests and 16S rDNA sequencing were performed for all 160 of the LAB isolates. Identification of LAB strains from traditionally produced Bosnian sausage at the species level revealed the presence of six genera: Lactococcus sp., Enterococcus sp., Leuconostoc sp., Lactobacillus sp., Pediococcus sp. and Weissella sp.. Among the 15 distinct species identified, the species Lactobacillus plantarum, Leuconostoc mesenteroides, Lactococcus lactis, Enterococcus faecalis and Enterococcus durans were present throughout the entire process of fermentation. Leuconostoc mesenteroides, Lactobacillus plantarum and Lactococcus lactis prevailed, with 21.8%, 19.3% and 13.1%, respectively, of total LAB strains during the entire fermentation process. Significant negative correlations (r = 0.892 and r = 0.829, respectively) between the presence of Weissella sp. and Lactobacillus sp., and between the presence of Weissella sp. and Lactococcus sp. were recorded. Lactobacillus plantarum, Enterococcus durans and Leuconostoc mesenteroides were the best producers of aromogenic compounds while 32.3% of Lactobacillus plantarum and 28.6% of Leuconostoc mesenteroides were produced exopolysaccharides.",
publisher = "Društvo genetičara Srbije, Beograd",
journal = "Genetika-Belgrade",
title = "Characterization of lactic acid bacteria isolated from Bosnian artisanal dry fermented sausage sudzuk) during fermentation",
pages = "832-819",
number = "3",
volume = "47",
doi = "10.2298/GENSR1503819C"
}
Colo, J., Mihajlović, S., Tolinački, M., Alkić, M., Popović, D., Kojić, M.,& Terzić-Vidojević, A.. (2015). Characterization of lactic acid bacteria isolated from Bosnian artisanal dry fermented sausage sudzuk) during fermentation. in Genetika-Belgrade
Društvo genetičara Srbije, Beograd., 47(3), 819-832.
https://doi.org/10.2298/GENSR1503819C
Colo J, Mihajlović S, Tolinački M, Alkić M, Popović D, Kojić M, Terzić-Vidojević A. Characterization of lactic acid bacteria isolated from Bosnian artisanal dry fermented sausage sudzuk) during fermentation. in Genetika-Belgrade. 2015;47(3):819-832.
doi:10.2298/GENSR1503819C .
Colo, Josip, Mihajlović, Sanja, Tolinački, Maja, Alkić, Mersiha, Popović, Dušanka, Kojić, Milan, Terzić-Vidojević, Amarela, "Characterization of lactic acid bacteria isolated from Bosnian artisanal dry fermented sausage sudzuk) during fermentation" in Genetika-Belgrade, 47, no. 3 (2015):819-832,
https://doi.org/10.2298/GENSR1503819C . .
6
3
7

Capability of exopolysaccharide-producing Lactobacillus paraplantarum BGCG11 and its non-producing isogenic strain NB1, to counteract the effect of enteropathogens upon the epithelial cell line HT29-MTX

Živković, Milica; Hidalgo-Cantabrana, Claudio; Kojić, Milan; Gueimonde, Miguel; Golić, Nataša; Ruas-Madiedo, Patricia

(Elsevier Science Bv, Amsterdam, 2015)

TY  - JOUR
AU  - Živković, Milica
AU  - Hidalgo-Cantabrana, Claudio
AU  - Kojić, Milan
AU  - Gueimonde, Miguel
AU  - Golić, Nataša
AU  - Ruas-Madiedo, Patricia
PY  - 2015
UR  - http://intor.torlakinstitut.com/handle/123456789/707
AB  - The putative protective role of the exopolysaccharide (EPS)-producing Lactobacillus paraplantarum BGCG11, and its non-EPS-producing isogenic strain NB1, was tested upon HT29-MTX monolayers challenged with seven opportunistic pathogens. The probiotic strain Lactobacillus rhamnosus LMG18243 (GG) was used as a reference bacterium. Tested lactobacilli were able to efficiently reduce the attachment to HT29-MTX of most pathogens. Lb. paraplantarum NB1 and Lb. rhamnosus GG were more efficient reducing the adhesion of Clostridium difficile or Yersinia enterocolitica than Lb. paraplantarum BGCG11, while stain BGCG11 reduced, to a greater extent, the adhesion of Escherichia coli and Listeria monocytogenes. The detachment and cell lysis of HT29-MTX monolayers in the presence of pathogens alone and co-incubated with lactobacilli or purified EPS was followed. L. monocytogenes induced the strongest cell detachment among the seven tested pathogens and this effect was prevented by addition of purified EPS-CG11. The results suggest that this EPS could be an effective macromolecule in protection of HT29-MTX cells from the pathogen-induced lysis. Regarding innate intestinal barrier, the presence of C. difficile induced the highest IL-8 production in HT29-MTX cells and this capability was reinforced by the co-incubation with Lb. paraplantarum NB1 and Lb. rhamnosus GG. However, the increase in IL-8 production was not noticed when C difficile was co-incubated with EPS-producing Lb. paraplantarum BGCG11 strain or its purified EPS-CG11 polymer, thus indicating that the polymer could hinder the contact of bacteria with the intestinal epithelium. The measurement of mucus secreted by HT29-MTX and the expression of mud, muc2, muc3B and muc5AC genes in the presence of pathogens and lactobacilli suggested that all lactobacilli strains are weak "co-adjuvants" helping some pathogens to slightly increase the secretion of mucus by HT29-MTX, while purified EPS-CG11 did not induce mucus secretion. Taking altogether, Lb. paraplantarum BGCG11 could act towards the reinforcement of the innate mucosal barrier through the synthesis of a physical-protective EPS layer which could make difficult the contact of the pathogens with the epithelial cells.
PB  - Elsevier Science Bv, Amsterdam
T2  - Food Research International
T1  - Capability of exopolysaccharide-producing Lactobacillus paraplantarum BGCG11 and its non-producing isogenic strain NB1, to counteract the effect of enteropathogens upon the epithelial cell line HT29-MTX
EP  - 207
SP  - 199
VL  - 74
DO  - 10.1016/j.foodres.2015.05.012
ER  - 
@article{
author = "Živković, Milica and Hidalgo-Cantabrana, Claudio and Kojić, Milan and Gueimonde, Miguel and Golić, Nataša and Ruas-Madiedo, Patricia",
year = "2015",
abstract = "The putative protective role of the exopolysaccharide (EPS)-producing Lactobacillus paraplantarum BGCG11, and its non-EPS-producing isogenic strain NB1, was tested upon HT29-MTX monolayers challenged with seven opportunistic pathogens. The probiotic strain Lactobacillus rhamnosus LMG18243 (GG) was used as a reference bacterium. Tested lactobacilli were able to efficiently reduce the attachment to HT29-MTX of most pathogens. Lb. paraplantarum NB1 and Lb. rhamnosus GG were more efficient reducing the adhesion of Clostridium difficile or Yersinia enterocolitica than Lb. paraplantarum BGCG11, while stain BGCG11 reduced, to a greater extent, the adhesion of Escherichia coli and Listeria monocytogenes. The detachment and cell lysis of HT29-MTX monolayers in the presence of pathogens alone and co-incubated with lactobacilli or purified EPS was followed. L. monocytogenes induced the strongest cell detachment among the seven tested pathogens and this effect was prevented by addition of purified EPS-CG11. The results suggest that this EPS could be an effective macromolecule in protection of HT29-MTX cells from the pathogen-induced lysis. Regarding innate intestinal barrier, the presence of C. difficile induced the highest IL-8 production in HT29-MTX cells and this capability was reinforced by the co-incubation with Lb. paraplantarum NB1 and Lb. rhamnosus GG. However, the increase in IL-8 production was not noticed when C difficile was co-incubated with EPS-producing Lb. paraplantarum BGCG11 strain or its purified EPS-CG11 polymer, thus indicating that the polymer could hinder the contact of bacteria with the intestinal epithelium. The measurement of mucus secreted by HT29-MTX and the expression of mud, muc2, muc3B and muc5AC genes in the presence of pathogens and lactobacilli suggested that all lactobacilli strains are weak "co-adjuvants" helping some pathogens to slightly increase the secretion of mucus by HT29-MTX, while purified EPS-CG11 did not induce mucus secretion. Taking altogether, Lb. paraplantarum BGCG11 could act towards the reinforcement of the innate mucosal barrier through the synthesis of a physical-protective EPS layer which could make difficult the contact of the pathogens with the epithelial cells.",
publisher = "Elsevier Science Bv, Amsterdam",
journal = "Food Research International",
title = "Capability of exopolysaccharide-producing Lactobacillus paraplantarum BGCG11 and its non-producing isogenic strain NB1, to counteract the effect of enteropathogens upon the epithelial cell line HT29-MTX",
pages = "207-199",
volume = "74",
doi = "10.1016/j.foodres.2015.05.012"
}
Živković, M., Hidalgo-Cantabrana, C., Kojić, M., Gueimonde, M., Golić, N.,& Ruas-Madiedo, P.. (2015). Capability of exopolysaccharide-producing Lactobacillus paraplantarum BGCG11 and its non-producing isogenic strain NB1, to counteract the effect of enteropathogens upon the epithelial cell line HT29-MTX. in Food Research International
Elsevier Science Bv, Amsterdam., 74, 199-207.
https://doi.org/10.1016/j.foodres.2015.05.012
Živković M, Hidalgo-Cantabrana C, Kojić M, Gueimonde M, Golić N, Ruas-Madiedo P. Capability of exopolysaccharide-producing Lactobacillus paraplantarum BGCG11 and its non-producing isogenic strain NB1, to counteract the effect of enteropathogens upon the epithelial cell line HT29-MTX. in Food Research International. 2015;74:199-207.
doi:10.1016/j.foodres.2015.05.012 .
Živković, Milica, Hidalgo-Cantabrana, Claudio, Kojić, Milan, Gueimonde, Miguel, Golić, Nataša, Ruas-Madiedo, Patricia, "Capability of exopolysaccharide-producing Lactobacillus paraplantarum BGCG11 and its non-producing isogenic strain NB1, to counteract the effect of enteropathogens upon the epithelial cell line HT29-MTX" in Food Research International, 74 (2015):199-207,
https://doi.org/10.1016/j.foodres.2015.05.012 . .
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