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International Journal of Systematic and Evolutionary Microbiology, Vol 52, 1615-1620, Copyright © 2002 by Society for General Microbiology
S. H. Duncan, G. L. Hold, A. Barcenilla, C. S. Stewart and H. J. Flint
Gut Microbiology and Immunology Division, Rowett Research Institute, Bucksburn, Aberdeen AB21 9SB, UK
Five strains of butyrate-producing, anaerobic, Gram-positive bacteria were isolated from human faecal material. These strains were slightly curved rods that showed motility by means of multiple subterminal flagella. The DNA G+C content of the strains was 29--31 mol%. A detailed investigation of the phenotypic and phylogenetic characteristics of the strains revealed that they represent a novel species of anaerobic, low-G+C-content, butyrate-producing bacterium that shows net acetate utilization during growth on media containing carbohydrates and short-chain fatty acids. The 16S rRNA gene sequences of the five isolates were determined and they confirmed that these strains were closely related to each other. Phylogenetic analysis indicated that the most closely related species are Eubacterium rectale, Eubacterium oxidoreducens and Roseburia cecicola, members of cluster XIVa of the Clostridium subphylum of Gram-positive bacteria, although they share less than 95% sequence identity with the novel strains. It is proposed that a novel species, Roseburia intestinalis sp. nov., be created, with strain L1-82(T) (=DSM 14610(T)=NCIMB 13810(T)) as the type strain.
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R. I. Aminov, A. W. Walker, S. H. Duncan, H. J. M. Harmsen, G. W. Welling, and H. J. Flint Molecular Diversity, Cultivation, and Improved Detection by Fluorescent In Situ Hybridization of a Dominant Group of Human Gut Bacteria Related to Roseburia spp. or Eubacterium rectale Appl. Envir. Microbiol., September 1, 2006; 72(9): 6371 - 6376. [Abstract] [Full Text] [PDF]
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M. Derrien, E. E. Vaughan, C. M. Plugge, and W. M. de Vos Akkermansia muciniphila gen. nov., sp. nov., a human intestinal mucin-degrading bacterium Int J Syst Evol Microbiol, September 1, 2004; 54(5): 1469 - 1476. [Abstract] [Full Text] [PDF]
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G. L. Hold, A. Schwiertz, R. I. Aminov, M. Blaut, and H. J. Flint Oligonucleotide Probes That Detect Quantitatively Significant Groups of Butyrate-Producing Bacteria in Human Feces Appl. Envir. Microbiol., July 1, 2003; 69(7): 4320 - 4324. [Abstract] [Full Text] [PDF]
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S. H. Duncan, K. P. Scott, A. G. Ramsay, H. J. M. Harmsen, G. W. Welling, C. S. Stewart, and H. J. Flint Effects of Alternative Dietary Substrates on Competition between Human Colonic Bacteria in an Anaerobic Fermentor System Appl. Envir. Microbiol., February 1, 2003; 69(2): 1136 - 1142. [Abstract] [Full Text] [PDF]
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S. H. Duncan, A. Barcenilla, C. S. Stewart, S. E. Pryde, and H. J. Flint Acetate Utilization and Butyryl Coenzyme A (CoA):Acetate-CoA Transferase in Butyrate-Producing Bacteria from the Human Large Intestine Appl. Envir. Microbiol., October 1, 2002; 68(10): 5186 - 5190. [Abstract] [Full Text] [PDF]
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