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1 Fermentation Biotechnology Research Unit, National Center for Agricultural Utilization Research, USDA, Agricultural Research Service, 1815 N. University Street, Peoria, IL 61604, USA
2 School of Food Biosciences, University of Reading, Reading RG6 6AP, UK
3 Culture Collection, Department of Clinical Bacteriology, University of Göteborg, SE-413 46 Göteborg, Sweden
4 Department of Botany and Microbiology, University of Oklahoma, Norman, OK 73019-0245, USA
Correspondence
Terence R. Whitehead
whitehtr{at}ncaur.usda.gov
Two Gram-negative, anaerobic, non-spore-forming, rod-shaped organisms were isolated from a swine-manure storage pit. Based on morphological and biochemical criteria, the strains were tentatively identified as belonging to the genus Bacteroides but they did not appear to correspond to any recognized species of the genus. Comparative 16S rRNA gene sequencing studies showed that the strains were related closely to each other and confirmed their placement in the genus Bacteroides, but sequence divergence values of >10 % from reference Bacteroides species demonstrated that the organisms from manure represent a novel species. Based on biochemical criteria and molecular genetic evidence, it is proposed that the unknown isolates from manure be assigned to a novel species of the genus Bacteroides, as Bacteroides coprosuis sp. nov. The type strain is PC139T (=CCUG 50528T=NRRL B-41113T).
The GenBank/EMBL/DDBJ accession number for the 16S rRNA gene sequence of strain CCUG 50528T is AF319778.
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