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Subdoligranulum variabile gen. nov., sp nov from human feces

Holmstrom, K., Collins, M.D., Moller, T., Falsen, E. and Lawson, P.A. (2004) Subdoligranulum variabile gen. nov., sp nov from human feces. Anaerobe, 10 (3). pp. 197-203. ISSN 1075-9964

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To link to this item DOI: 10.1016/j.anaerobe.2004.01.004

Abstract/Summary

During studies on the microflora of human feces we have isolated a strictly anaerobic, non-spore-forming, Gram-negative staining organism which exhibits a somewhat variable coccus-shaped morphology. Comparative 16S ribosomal RNA gene sequencing studies show the unidentified organism is phylogenetically a member of the Clostridium leptum supra-generic rRNA cluster and displays a close affinity to some rDNA clones derived from human and pig feces. The nearest named relatives of the unidentified isolate corresponded to Faecalibacterium prausnitzii (formerly Fusobacterium prausnitzii) displaying a 16S rRNA sequence divergence of approximately 9%, with Anaerofilum agile and A. pentosovorans the next closest relatives of the unidentified bacterium (sequence divergence approximately 10%). Based on phenotypic and phylogenetic considerations, it is proposed that the unusual coccoid-shaped organism be classified as a new genus and species, Subdoligranulum variabile. The type strain of S. variabile is BI 114(T) (= CCUG 47106(T) = DSM 15176(T)). (C) 2004 Elsevier Ltd. All rights reserved.

Item Type:Article
Refereed:Yes
Divisions:Faculty of Life Sciences > School of Chemistry, Food and Pharmacy > Department of Food and Nutritional Sciences
ID Code:13314
Uncontrolled Keywords:Subdoligranulum variabile, 16S rRNA, taxonomy, phylogeny, human feces, 16S RIBOSOMAL-RNA, SEQUENCE-ANALYSIS, FUSOBACTERIUM-PRAUSNITZII, DEOXYRIBONUCLEIC-ACID, HUMAN GUT, BACTERIA, COMMUNITIES, REVEALS, SAMPLES

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