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Plasmid content and bacteriocin production by five strains of Lactococcus lactis isolated from semi-hard homemade cheese
dc.creator | Kojić, Milan | |
dc.creator | Strahinić, Ivana | |
dc.creator | Fira, Đorđe | |
dc.creator | Jovčić, Branko | |
dc.creator | Topisirović, Ljubiša | |
dc.date.accessioned | 2023-10-16T12:33:44Z | |
dc.date.available | 2023-10-16T12:33:44Z | |
dc.date.issued | 2006 | |
dc.identifier.issn | 0008-4166 | |
dc.identifier.uri | http://intor.torlakinstitut.com/handle/123456789/810 | |
dc.description.abstract | In this study, the plasmid content and bacteriocin production of natural isolates of lactococci were investigated. Five bacteriocin producing lactococcal strains (Lactococcus lactis subsp. lactis BGMN1-2, BGMN1-3, BGMN1-5, BGMN1-6, and BGMN2-7) were isolated as nonstarter microflora of semi-hard homemade cheese and characterized. All isolates contained a number of plasmids. It was shown that lcnB structural genes for bacteriocin lactococcin B were located on large plasmids in all isolates. In the strains BGMN1-3 and BGMN1-5 proteinase prtP genes collocated with lcnB. Furthermore, these strains produced two additional bacteriocins (LsbA and LsbB) with genes responsible for their production and immunity located on the small rolling circle-replicating plasmid pMN5. Using deletion experiments of pMN5, minimal replicon of the plasmid and involvement of a bacteriocin locus in plasmid maintenance were identified. In addition, plasmid curing experiments showed that genes for catabolism or transport of 10 carbohydrates in the strain BGMN1-5 were plasmid located. | en |
dc.publisher | Canadian Science Publishing, Ottawa | |
dc.rights | restrictedAccess | |
dc.source | Canadian Journal of Microbiology | |
dc.subject | plasmid curing | en |
dc.subject | natural isolates | en |
dc.subject | lactococci | en |
dc.subject | bacteriocin | en |
dc.title | Plasmid content and bacteriocin production by five strains of Lactococcus lactis isolated from semi-hard homemade cheese | en |
dc.type | article | |
dc.rights.license | ARR | |
dc.citation.epage | 1120 | |
dc.citation.issue | 11 | |
dc.citation.other | 52(11): 1110-1120 | |
dc.citation.rank | M23 | |
dc.citation.spage | 1110 | |
dc.citation.volume | 52 | |
dc.identifier.doi | 10.1139/W06-072 | |
dc.identifier.pmid | 17215903 | |
dc.identifier.scopus | 2-s2.0-33846963757 | |
dc.identifier.wos | 000243822100012 | |
dc.type.version | publishedVersion |