Molekularna genetika autohtonih bakterija mlečne kiseline
Molecular genetics of autochthonous lactic acid bacteria
Аутори
Topisirović, LjubišaKojić, Milan
Fira, Đorđe
Miladinov, Nataša
Strahinić, Ivana
Gajić, Olivera
Arsenijević, Slavica
Spasojević, Irena
Vukasinović, Maja
Чланак у часопису (Објављена верзија)
Метаподаци
Приказ свих података о документуАпстракт
Autohtoni sojevi bakterija mlečne kiseline (BMK) su izolovane iz fermentisanih mlečnih proizvoda rađenih u domaćoj radinosti. Fermentisani mlečni proizvodi su sakupljani sa specifičnih ekoloških lokaliteta kao što su visoke planine (iznad 1200 m nadmorske visine), planinske visoravni, rečne doline, ostrva, obala Jadranskog mora, itd. Analiza kolekcije prirodnih izolata BMK je pokazala da izolati proizvode proteinaze, bakteriocine i egzopolisaharide. Pokazano je, takođe, da neki izolati laktokoka i laktobacila proizvode istovremeno dva različita bakteriocina. Pored toga određeni broj izolata proizvodi i proteinaze i bakteriocine. Nađeno je da prirodni izolati sintetišu specifične proteinaze. Analiza organizacije prt gena u prirodnim izolatima BMK je pokazala da četiri laktobacila poseduju organizaciju prt gena koja se razlikuje od do sada opisanih. Izučavanje regulacije gena koji kodiraju proteinaze, bakteriocine ili egzopolisaharide može olakšati konstrukciju specifičnih starter kultur...a za proizvodnju autohtonih fermentisanih mlečnih proizvoda, tj. fermentisanih proizvoda sa geografskim poreklom.
Autochthonous strains of lactic acid bacteria (LAB) were isolated from homemade fermented milk products. These products were collected from specific ecological localities such as high mountains (above 1200 m above sea level) mountain plateaus, river valleys, islands, Adriatic coast, etc. Analysis of LAB from the collection of natural isolates revealed that they produce proteinases, bacteriocins and exopolysaccharides. It was also shown that some isolates of lactococci and lactobacilli produce two bacteriocins simultaneously. According to their antimicrobial and biochemical properties most of the analyzed bacteriocins in natural isolates of lactococci were class 11 bacteriocins. In addition some isolates produced both proteinase and bacteriocin. Biosynthesis of specific proteinases was detected in natural isolates. Analysis of the prt gene organization among natural isolates of LAB showed that four isolates of lactobacilli exhibited prt genes organization different from those described ...so far. Elucidation of the regulation of the genes encoding proteinases, bacteriocins and exopolysaccharides could facilitate the construction of specific starter cultures for production of autochthonous fermented milk products, i.e. fermented products with a geographical origin.
Кључне речи:
proteinases / plasmid / exopolysaccharides / bacteriocins / autochthonous LABИзвор:
Genetika-Belgrade, 2000, 32, 2, 115-127Издавач:
- Društvo genetičara Srbije, Beograd
Институција/група
TorlakTY - JOUR AU - Topisirović, Ljubiša AU - Kojić, Milan AU - Fira, Đorđe AU - Miladinov, Nataša AU - Strahinić, Ivana AU - Gajić, Olivera AU - Arsenijević, Slavica AU - Spasojević, Irena AU - Vukasinović, Maja PY - 2000 UR - http://intor.torlakinstitut.com/handle/123456789/793 AB - Autohtoni sojevi bakterija mlečne kiseline (BMK) su izolovane iz fermentisanih mlečnih proizvoda rađenih u domaćoj radinosti. Fermentisani mlečni proizvodi su sakupljani sa specifičnih ekoloških lokaliteta kao što su visoke planine (iznad 1200 m nadmorske visine), planinske visoravni, rečne doline, ostrva, obala Jadranskog mora, itd. Analiza kolekcije prirodnih izolata BMK je pokazala da izolati proizvode proteinaze, bakteriocine i egzopolisaharide. Pokazano je, takođe, da neki izolati laktokoka i laktobacila proizvode istovremeno dva različita bakteriocina. Pored toga određeni broj izolata proizvodi i proteinaze i bakteriocine. Nađeno je da prirodni izolati sintetišu specifične proteinaze. Analiza organizacije prt gena u prirodnim izolatima BMK je pokazala da četiri laktobacila poseduju organizaciju prt gena koja se razlikuje od do sada opisanih. Izučavanje regulacije gena koji kodiraju proteinaze, bakteriocine ili egzopolisaharide može olakšati konstrukciju specifičnih starter kultura za proizvodnju autohtonih fermentisanih mlečnih proizvoda, tj. fermentisanih proizvoda sa geografskim poreklom. AB - Autochthonous strains of lactic acid bacteria (LAB) were isolated from homemade fermented milk products. These products were collected from specific ecological localities such as high mountains (above 1200 m above sea level) mountain plateaus, river valleys, islands, Adriatic coast, etc. Analysis of LAB from the collection of natural isolates revealed that they produce proteinases, bacteriocins and exopolysaccharides. It was also shown that some isolates of lactococci and lactobacilli produce two bacteriocins simultaneously. According to their antimicrobial and biochemical properties most of the analyzed bacteriocins in natural isolates of lactococci were class 11 bacteriocins. In addition some isolates produced both proteinase and bacteriocin. Biosynthesis of specific proteinases was detected in natural isolates. Analysis of the prt gene organization among natural isolates of LAB showed that four isolates of lactobacilli exhibited prt genes organization different from those described so far. Elucidation of the regulation of the genes encoding proteinases, bacteriocins and exopolysaccharides could facilitate the construction of specific starter cultures for production of autochthonous fermented milk products, i.e. fermented products with a geographical origin. PB - Društvo genetičara Srbije, Beograd T2 - Genetika-Belgrade T1 - Molekularna genetika autohtonih bakterija mlečne kiseline T1 - Molecular genetics of autochthonous lactic acid bacteria EP - 127 IS - 2 SP - 115 VL - 32 UR - https://hdl.handle.net/21.15107/rcub_intor_793 ER -
@article{ author = "Topisirović, Ljubiša and Kojić, Milan and Fira, Đorđe and Miladinov, Nataša and Strahinić, Ivana and Gajić, Olivera and Arsenijević, Slavica and Spasojević, Irena and Vukasinović, Maja", year = "2000", abstract = "Autohtoni sojevi bakterija mlečne kiseline (BMK) su izolovane iz fermentisanih mlečnih proizvoda rađenih u domaćoj radinosti. Fermentisani mlečni proizvodi su sakupljani sa specifičnih ekoloških lokaliteta kao što su visoke planine (iznad 1200 m nadmorske visine), planinske visoravni, rečne doline, ostrva, obala Jadranskog mora, itd. Analiza kolekcije prirodnih izolata BMK je pokazala da izolati proizvode proteinaze, bakteriocine i egzopolisaharide. Pokazano je, takođe, da neki izolati laktokoka i laktobacila proizvode istovremeno dva različita bakteriocina. Pored toga određeni broj izolata proizvodi i proteinaze i bakteriocine. Nađeno je da prirodni izolati sintetišu specifične proteinaze. Analiza organizacije prt gena u prirodnim izolatima BMK je pokazala da četiri laktobacila poseduju organizaciju prt gena koja se razlikuje od do sada opisanih. Izučavanje regulacije gena koji kodiraju proteinaze, bakteriocine ili egzopolisaharide može olakšati konstrukciju specifičnih starter kultura za proizvodnju autohtonih fermentisanih mlečnih proizvoda, tj. fermentisanih proizvoda sa geografskim poreklom., Autochthonous strains of lactic acid bacteria (LAB) were isolated from homemade fermented milk products. These products were collected from specific ecological localities such as high mountains (above 1200 m above sea level) mountain plateaus, river valleys, islands, Adriatic coast, etc. Analysis of LAB from the collection of natural isolates revealed that they produce proteinases, bacteriocins and exopolysaccharides. It was also shown that some isolates of lactococci and lactobacilli produce two bacteriocins simultaneously. According to their antimicrobial and biochemical properties most of the analyzed bacteriocins in natural isolates of lactococci were class 11 bacteriocins. In addition some isolates produced both proteinase and bacteriocin. Biosynthesis of specific proteinases was detected in natural isolates. Analysis of the prt gene organization among natural isolates of LAB showed that four isolates of lactobacilli exhibited prt genes organization different from those described so far. Elucidation of the regulation of the genes encoding proteinases, bacteriocins and exopolysaccharides could facilitate the construction of specific starter cultures for production of autochthonous fermented milk products, i.e. fermented products with a geographical origin.", publisher = "Društvo genetičara Srbije, Beograd", journal = "Genetika-Belgrade", title = "Molekularna genetika autohtonih bakterija mlečne kiseline, Molecular genetics of autochthonous lactic acid bacteria", pages = "127-115", number = "2", volume = "32", url = "https://hdl.handle.net/21.15107/rcub_intor_793" }
Topisirović, L., Kojić, M., Fira, Đ., Miladinov, N., Strahinić, I., Gajić, O., Arsenijević, S., Spasojević, I.,& Vukasinović, M.. (2000). Molekularna genetika autohtonih bakterija mlečne kiseline. in Genetika-Belgrade Društvo genetičara Srbije, Beograd., 32(2), 115-127. https://hdl.handle.net/21.15107/rcub_intor_793
Topisirović L, Kojić M, Fira Đ, Miladinov N, Strahinić I, Gajić O, Arsenijević S, Spasojević I, Vukasinović M. Molekularna genetika autohtonih bakterija mlečne kiseline. in Genetika-Belgrade. 2000;32(2):115-127. https://hdl.handle.net/21.15107/rcub_intor_793 .
Topisirović, Ljubiša, Kojić, Milan, Fira, Đorđe, Miladinov, Nataša, Strahinić, Ivana, Gajić, Olivera, Arsenijević, Slavica, Spasojević, Irena, Vukasinović, Maja, "Molekularna genetika autohtonih bakterija mlečne kiseline" in Genetika-Belgrade, 32, no. 2 (2000):115-127, https://hdl.handle.net/21.15107/rcub_intor_793 .