Adaptative Potential of the Lactococcus Lactis IL594 Strain Encoded in Its 7 Plasmids

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dc.contributor.author Górecki, Roman Krzysztof
dc.contributor.author Koryszewska-Bagińska, Anna
dc.contributor.author Gołębiewski, Marcin
dc.contributor.author Żylińska, Joanna
dc.contributor.author Grynberg, Marcin
dc.contributor.author Bardowski, Jacek K.
dc.date.accessioned 2013-03-20T11:12:09Z
dc.date.available 2013-03-20T11:12:09Z
dc.date.issued 2011-07-18
dc.identifier.citation PLOS One vol. 6(7), 2011, e22238
dc.identifier.issn 1932-6203
dc.identifier.uri http://repozytorium.umk.pl/handle/item/435
dc.description.abstract The extrachromosomal gene pool plays a significant role both in evolution and in the environmental adaptation of bacteria. The L. lactis subsp. lactis IL594 strain contains seven plasmids, named pIL1 to pIL7, and is the parental strain of the plasmid-free L. lactis IL1403, which is one of the best characterized lactococcal strains of LAB. Complete nucleotide sequences of pIL1 (6,382 bp), pIL2 (8,277 bp), pIL3 (19,244 bp), pIL4 (48,979), pIL5 (23,395), pIL6 (28,435 bp) and pIL7 (28,546) were established and deposited in the generally accessible database (GeneBank). Nine highly homologous repB-containing replicons, belonging to the lactococcal theta-type replicons, have been identified on the seven plasmids. Moreover, a putative region involved in conjugative plasmid mobilization was found on four plasmids, through identification of the presence of mob genes and/or oriT sequences. Detailed bioinformatic analysis of the plasmid nucleotide sequences provided new insight into the repertoire of plasmid-encoded functions in L. lactis, and indicated that plasmid genes from IL594 strain can be important for L. lactis adaptation to specific environmental conditions (e.g. genes coding for proteins involved in DNA repair or cold shock response) as well as for technological processes (e.g. genes encoding citrate and lactose utilization, oligopeptide transport, restriction-modification system). Moreover, global gene analysis indicated cooperation between plasmid- and chromosome-encoded metabolic pathways.
dc.language.iso eng
dc.publisher PLOS
dc.rights Attribution-NonCommercial-ShareAlike 3.0 Poland
dc.rights info:eu-repo/semantics/openAccess
dc.rights.uri http://creativecommons.org/licenses/by-nc-sa/3.0/pl/
dc.subject lactic acid bacteria
dc.subject plasmid gene pool
dc.subject systems biology
dc.title Adaptative Potential of the Lactococcus Lactis IL594 Strain Encoded in Its 7 Plasmids
dc.type info:eu-repo/semantics/article


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