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Int J Syst Evol Microbiol 53 (2003), 259-262; DOI  10.1099/ijs.0.02260-0
© 2003 International Union of Microbiological Societies

Note

Clostridium colicanis sp. nov., from canine faeces

Hazel L. Greetham1, Glenn R. Gibson1, Catriona Giffard2, Hans Hippe3, Birgit Merkhoffer3, Ulrike Steiner3, Enevold Falsen4 and Matthew D. Collins1

1 Food Microbial Sciences Unit, School of Food Biosciences, Whiteknights, PO Box 226, University of Reading, Reading RG6 6AP, UK
2 Waltham Centre for Pet Nutrition, Waltham-on-Wolds, Melton Mowbray, UK
3 DSMZ–Deutsche Sammlung von Mikroorganismen und Zellkulturen, Braunschweig, Germany
4 Culture Collection, Department of Clinical Microbiology, University of Göteborg, Sweden

Correspondence
Matthew D. Collins
m.d.collins{at}reading.ac.uk

Morphological, biochemical and molecular genetic studies were performed on an unknown, anaerobic, rod-shaped organism isolated from faeces of a canine. The organism was tentatively identified as a member of the genus Clostridium based on its cellular morphology and ability to form endospores but, biochemically, it did not appear to correspond to any recognized species of this genus. Comparative 16S rRNA gene sequence analysis showed that the bacterium represents a previously unrecognized subline within Clostridium rRNA group I (Clostridium sensu stricto), which includes Clostridium butyricum, the type species of the genus. The nearest phylogenetic relatives of the unknown bacterium corresponded to Clostridium absonum, Clostridium baratii, Eubacterium budayi, Eubacterium moniliforme, Eubacterium multiforme and Eubacterium nitritogenes, but 16S rRNA sequence divergence values of >3 % demonstrated that it represents a novel species. Based on the findings presented, a novel species, Clostridium colicanis sp. nov., is described, with the type strain 3WC2T (=CCUG 44556T =DSM 13634T).

The GenBank/EMBL/DDBJ accession number for the 16S rRNA gene sequence of strain DSM 13634T is AJ420008.






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