1887

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Volume 60, Issue 8

sp. nov., sp. nov. and sp. nov., isolated from human faeces Free

Abstract

Three Gram-stain-negative, obligately anaerobic, non-spore-forming, rod-shaped bacteria (strains YIT 12056, YIT 12057 and YIT 12058) were isolated from human faeces. These strains were characterized by phylogenetic analyses based on 16S rRNA gene sequence and phenotypic tests. 16S rRNA gene sequence analyses revealed that strains YIT 12056, YIT 12057 and YIT 12058 were most closely related to the type strains of , and with approximate similarity values of 96.6, 95.0 and 96.7 %, respectively. The DNA G+C contents of the novel strains were 45.3 (YIT 12056), 45.2 (YIT 12057) and 43.6 mol% (YIT 12058) and the major respiratory quinones of all three isolates were menaquinones MK-10 and MK-11. These properties were typical for members of the genus . The results of the other phenotypic analyses also supported the affiliation of these strains to the genus . The 16S rRNA gene sequence analysis, analysis of the major cellular fatty acids and other biochemical tests enabled the genotypic and phenotypic differentiation of the three new strains. Based on these data, three novel species, sp. nov., sp. nov. and sp. nov. are proposed. The type strains of , and are YIT 12056 (=JCM 16067=DSM 22519), YIT 12057 (=JCM 16101=DSM 22534) and YIT 12058 (=JCM 16102=DSM 22535), respectively.

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Keyword(s): FAMEs, fatty acid methyl esters , GI, gastrointestinal , ML, maximum-likelihood and MP, maximum-parsimony
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2010-08-01
2024-04-18
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Bacteroides clarus sp. nov., Bacteroides fluxus sp. nov. and Bacteroides oleiciplenus sp. nov., isolated from human faeces
Int J Syst Evol Microbiol 60, 1864 (2010); https://doi.org/10.1099/ijs.0.015107-0
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