Dataset Information

Genome Sequencing of Kocuria varians Strain 80, Isolated from Starter Culture for Dry Sausage.

ABSTRACT: The genome of the meat starter culture strain Kocuria varians 80 was sequenced and assembled into a single 2.82-Mb chromosome. Genome sequence comparison of K. varians strain 80 and previously sequenced strains revealed predicted proteomic differences that can impact its technological properties.

SUBMITTER: Konorov EA

PROVIDER: S-EPMC7909082 | biostudies-literature | 2021 Feb

REPOSITORIES: biostudies-literature

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Genome Sequencing of Kocuria varians Strain 80, Isolated from Starter Culture for Dry Sausage.

Konorov Evgenii A EA Kurbakov Konstantin A KA Minaev Mikhail Y MY

Microbiology resource announcements 20210225 8

The genome of the meat starter culture strain <i>Kocuria varians</i> 80 was sequenced and assembled into a single 2.82-Mb chromosome. Genome sequence comparison of <i>K. varians</i> strain 80 and previously sequenced strains revealed predicted proteomic differences that can impact its technological properties. ...[more]

PMID: 33632857

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Project description:PurposeFive Lactobacillus strains isolated from sucuk (Turkish dry-fermented sausage) were studied for their genetic and technological properties.MethodsFor genotypic identification, strains 16S rRNA gene sequences were used. To determine the antimicrobial activity of strains, seven foodborne pathogens were tested. Strains technological properties were characterized.ResultsThese strains were identified as Lactobacillus plantarum by 16S rRNA gene sequence analysis and the phylogenetic tree obtained by neighbor-joining method allowed grouping of these strains into three subgroups. L. plantarum strains showed antagonistic activities against Staphylococcus aureus, Listeria monocytogenes, Bacillus cereus, and Micrococcus luteus strains. PCR assay, using specific primers, showed the presence of bacteriocin (plantaricin) encoding genes in all L. plantarum strains tested. Antimicrobial metabolite production of these strains started at log phase and reached the maximum level at the end of the stationary phase. Regarding their technological properties, better growth was observed at 25 °C compared with 15 °C and 45 °C. The isolates which grown well within the pH scale pH 4.5-6.5 range additionally showed a decent growth at 6.5% salt concentration. It has been found that strains do not exhibit lipolytic and proteolytic activities nor have lysine, ornithine, and arginine decarboxylase activity. On the other hand, one strain showed weak nitrate reductase activity, and four strains produced acetoin from glucose. In addition, all strains were DL-lactic acid producers. Consequently, L. plantarum strains isolated exhibited some biochemical properties required for a starter culture in sucuk and similar products.ConclusionsAll identified strains may be a protective culture in the production of fermented meat products. In particular, L. plantarum S51 was distinguished from other isolates due to the inability to form acetoin from glucose. Further work will be needed to characterize L. plantarum strains as starter culture.

Dataset Information

Genome Sequencing of Kocuria varians Strain 80, Isolated from Starter Culture for Dry Sausage.

Publications

Genome Sequencing of Kocuria varians Strain 80, Isolated from Starter Culture for Dry Sausage.

Similar Datasets

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