1887

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Volume 58, Issue 12

sp. nov., isolated from the jejunal mucosa of a healthy pig, and emended description of Free

Abstract

A bacterium, designated strain lac18, was isolated in pure culture from the mucosal jejunum of a healthy pig, using a medium selective for anaerobic lactic acid bacteria and containing porcine gastric mucin as the main carbon and nitrogen source. Cells of this strain were coccus-shaped, arranged singly or in pairs and were Gram-stain-negative, oxidase-negative, non-spore-forming, anaerobic and microaerotolerant. An analysis based on 16S rRNA gene sequences indicated that strain lac18 should be assigned to the genus , class , phylum . 16S rRNA and gene sequence-based phylogenetic analyses both indicated that the most closely related species were ATCC 17746 (similarities of 96.6 and 84.5 %, respectively) and ATCC 17747 (similarities of 96.6 and 83.4 %, respectively). The results of DNA–DNA hybridizations between strain lac18 and these species and the type species of the genus, DSM 2008, confirmed the genotypic distinctness of the novel isolate. Data from phenotypic studies also served to differentiate strain lac18 from related strains. Therefore strain lac18 represents a novel species of the genus , for which the name sp. nov. is proposed. The type strain is lac18 (=CCUG 55454=CIP 109767=DSM 19857=JCM 15053).

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2008-12-01
2024-04-26
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Veillonella magna sp. nov., isolated from the jejunal mucosa of a healthy pig, and emended description of Veillonella ratti
Int J Syst Evol Microbiol 58, 2755 (2008); https://doi.org/10.1099/ijs.0.2008/001032-0
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vol. , part 12, pp. 2755 - 2761

Intra- and interspecific (%) similarity values of the gene sequences of strain lac18 (703 bp) and other strains in the genus as obtained by pairwise BLAST 2 SEQUENCES analysis. [ PDF] 54 KB

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