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Complete Genome Sequence of Veillonella nakazawae JCM 33966^T (=CCUG 74597^T), Isolated from the Oral Cavity of Japanese Children.

ABSTRACT: We report the complete genome sequence of Veillonella nakazawae JCM 33966^T (=CCUG 74597^T). This bacterium is a member of the oral Veillonella and has the potential to be anticariogenic as an oral probiotic seed.

SUBMITTER: Mashima I

PROVIDER: S-EPMC8086217 | biostudies-literature |

REPOSITORIES: biostudies-literature

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Project description:Background: As the most frequent infectious disease among children worldwide, dental caries have a strong relationship with oral hygiene status, specifically in the development of infection. However, the study regarding the identification and distribution of oral Veillonella are limited. The oral Veillonella community may affected by the differences in geographical location, age, diet, lifestyle, socio-economic status and oral hygiene status. Here, we studied the oral hygiene status by examining the composition and proportion of oral Veillonella species in saliva of Japanese children. Methods: Microbial samples collected from 15 Japanese children divided into three oral hygiene groups were cultured under anaerobic conditions after homogenization and dilution, and inoculated onto brain heart infusion and selective medium Veillonella agar. Genomic DNA was extracted from each isolate. Veillonella species were detected by one-step PCR using rpoB species-specific primers. To analyse the phylogenetic properties of the unknown Veillonella strains, PCR amplification and sequence analysis of rpoB were conducted for 10 representative strains. Results: Although V. rogosae was found as the predominant species among all groups, its prevalence was significantly lower in the children with poor oral hygiene than in those with good oral hygiene. V. parvula was the prevalent species in the poor oral hygiene group. Approximately 10% of the isolated Veillonella strains were not classified to any established species; the phylogenetic analysis showed that they were most closely related to V. infantium Conclusions: This study demonstrates that the composition and proportion of oral Veillonella species in the saliva of Japanese children is correlated with different oral hygiene status. Changes in detection ratios of V. parvula and V. rogosae can be useful indicators of oral hygiene status. Furthermore, new strains closely related to V. infantium were isolated from the saliva of Japanese children.

Dataset Information

Complete Genome Sequence of Veillonella nakazawae JCM 33966^T (=CCUG 74597^T), Isolated from the Oral Cavity of Japanese Children.

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Dataset Information

Complete Genome Sequence of Veillonella nakazawae JCM 33966T (=CCUG 74597T), Isolated from the Oral Cavity of Japanese Children.

Similar Datasets

OmicsDI is part of the ELIXIR infrastructure

Tweets

Complete Genome Sequence of Veillonella nakazawae JCM 33966^T (=CCUG 74597^T), Isolated from the Oral Cavity of Japanese Children.