Anaerostipes caccae gen. nov., sp. nov., a new saccharolytic, acetate-utilising, butyrate-producing bacterium from human faeces

A. Schwiertz, Georgina Louise Hold, S. H. Duncan, B. Grubel, M. D. Collins, P. A. Lawson, Harry James Flint, M. Blaut

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Abstract

Two strains of a previously undescribed Eubacterium-like bacterium were isolated from human faeces. The strains are Gram-variable, obligately anaerobic, catalase negative, asporogenous rod-shaped cells which produced acetate, butyrate and lactate as the end products of glucose metabolism. The two isolates displayed 99.9% 16S rRNA gene sequence similarity to each other and treeing analysis demonstrated the faecal isolates are far removed from Eubacterium sensu stricto and that they represent a new subline within the Clostridium coccoides group of organisms. Based on phenotypic and phylogenetic criteria, it is proposed that the two strains from faeces be classified as a new genus and species, Anaerostipes caccae. The type strain of Anaerostipes caccae is NCIMB 13811(T) (= DSM 14662(T)).

Original languageEnglish
Pages (from-to)46-51
Number of pages5
JournalSystematic and Applied Microbiology
Volume25
Issue number1
DOIs
Publication statusPublished - 2002

Keywords

  • Anaerostipes caccae
  • 16S rRNA
  • taxonomy
  • phylogeny
  • human faeces
  • 16S ribosomal-RNA
  • human intestinal-tract
  • human fecal samples
  • human gut
  • chromatography
  • clostridium
  • communities
  • reveals

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