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Bacteroides faecalis sp. nov., isolated from human faeces.

A novel Gram-stain-negative and strictly anaerobic bacterial strain, designated KGMB02408T, was isolated from faeces of a healthy human in the Republic of Korea. The isolate was characterized as non-motile, non-spore-forming and rod-shaped (variable in length). The results of phylogenetic analysis based on 16S rRNA gene sequences revealed that strain KGMB02408T belonged to the genus Bacteroides and was most closely related to Bacteroides faecichinchillae JCM 17102T (=KCTC 15666T; 96.5 %). Based on its whole-genome sequence, the DNA G+C content of the isolate was 39.5 mol%. The average nucleotide identity value between strain KGMB02408T and related species, B. faecichinchillae JCM 17102T, was 93.8 %. The major cellular fatty acids (>10 %) of the isolate were anteiso-C15 : 0, iso-C17 : 0-OH, summed feature 11 (iso-C17 : 0-OH and/or C18 : 2 DMA) and C16 : 0. Menaquinone-8 (28.6 %) and menaquinone-10 (47.1 %) were detected as the major respiratory quinones in the isolate. The major end products of glucose fermentation produced by strain KGMB02408T were lactic acid, acetic acid and formic acid. Based on its phylogenetic, phenotypic and chemotaxonomic characteristics, strain KGMB02408T represents a novel species of the genus Bacteroides in the family Bacteroidaceae. The type strain is KGMB02408T (=KCTC 15687T=DSM 107828T).