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Volume 60, Issue 11

sp. nov., isolated from human faeces Free

Abstract

Two anaerobic, Gram-negative, non-motile and non-spore-forming bacterial strains, designated MAJ27 and MAJ26, were isolated from human faeces. Both isolates grew optimally at 37 °C, were oxidase- and catalase-negative, were sensitive to bile and produced acid from fermentation of several substrates, including glucose. A study based on 16S rRNA gene sequences showed that both isolates were closely related to type strains of species of the genus . Comparisons of the isolates with VPI 5482 and JCM 13345 showed high levels of 16S rRNA gene sequence similarity (98.6–98.7 and 96.9–97.0 %, respectively), but low levels of DNA–DNA relatedness (≤22 %). The DNA G+C content (42.7±1 mol%) and the major fatty acid (anteiso-C, 39.3–42.5 %) supported the assignment of the isolates to the genus . Based on phenotypic, chemotaxonomic, genotypic and phylogenetic studies, we propose that strains MAJ27 and MAJ26 be classified as representing a novel species, sp. nov. The type strain is MAJ27 (=KCTC 5823=JCM 16478).

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Keyword(s): CFB, Cytophaga–Flavobacter–Bacteroides
SGM
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2010-11-01
2024-04-24
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Bacteroides faecis sp. nov., isolated from human faeces
Int J Syst Evol Microbiol 60, 2572 (2010); https://doi.org/10.1099/ijs.0.020024-0
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