dc.creatorPerin, Luana Martins
dc.creatorNero, Luís Augusto
dc.date2017-10-31T13:52:51Z
dc.date2017-10-31T13:52:51Z
dc.date2014-02-06
dc.date.accessioned2023-09-27T22:05:08Z
dc.date.available2023-09-27T22:05:08Z
dc.identifier1471-2180
dc.identifierhttps://doi.org/10.1186/1471-2180-14-36
dc.identifierhttp://www.locus.ufv.br/handle/123456789/12627
dc.identifier.urihttps://repositorioslatinoamericanos.uchile.cl/handle/2250/8970466
dc.descriptionThe raw goat milk microbiota is considered a good source of novel bacteriocinogenic lactic acid bacteria (LAB) strains that can be exploited as an alternative for use as biopreservatives in foods. The constant demand for such alternative tools justifies studies that investigate the antimicrobial potential of such strains. The obtained data identified a predominance of Lactococcus and Enterococcus strains in raw goat milk microbiota with antimicrobial activity against Listeria monocytogenes ATCC 7644. Enzymatic assays confirmed the bacteriocinogenic nature of the antimicrobial substances produced by the isolated strains, and PCR reactions detected a variety of bacteriocin-related genes in their genomes. Rep-PCR identified broad genetic variability among the Enterococcus isolates, and close relations between the Lactococcus strains. The sequencing of PCR products from nis-positive Lactococcus allowed the identification of a predicted nisin variant not previously described and possessing a wide inhibitory spectrum. Raw goat milk was confirmed as a good source of novel bacteriocinogenic LAB strains, having identified Lactococcus isolates possessing variations in their genomes that suggest the production of a nisin variant not yet described and with potential for use as biopreservatives in food due to its broad spectrum of action.
dc.formatpdf
dc.formatapplication/pdf
dc.languageeng
dc.publisherBMC Microbiology
dc.relationVol. 14, Issue 36, Feb. 2014
dc.rightsOpen Access
dc.subjectAntagonistic
dc.subjectLactic acid bacteria
dc.subjectLactococcus lactis
dc.titleAntagonistic lactic acid bacteria isolated from goat milk and identification of a novel nisin variant Lactococcus lactis
dc.typeArtigo


Este ítem pertenece a la siguiente institución