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Journal of Clinical Microbiology, June 2007, p. 1746-1752, Vol. 45, No. 6
0095-1137/07/$08.00+0 doi:10.1128/JCM.00213-07
Copyright © 2007, American Society for Microbiology. All Rights Reserved.

Research Service, VA Medical Center, West Los Angeles, California,1 Infectious Diseases Section, VA Medical Center, West Los Angeles, California,2 Department of Medicine, UCLA School of Medicine, Los Angeles, California,3 Department of Microbiology, Immunology, and Molecular Genetics, UCLA School of Medicine, Los Angeles, California4
Received 27 January 2007/ Returned for modification 20 February 2007/ Accepted 2 April 2007
Three groups of previously unknown gram-positive, anaerobic, coccus-shaped bacteria were characterized using phenotypic and molecular taxonomic methods. Phenotypic and genotypic data demonstrate that these organisms are distinct, and each group represents a previously unknown subline within Clostridium cluster XIII. Two groups are most closely related to Peptoniphilus harei in the genus Peptoniphilus, and the other group is most closely related to Anaerococcus lactolyticus in the genus Anaerococcus. Based on the findings, three novel species, Peptoniphilus gorbachii sp. nov., Peptoniphilus olsenii sp. nov., and Anaerococcus murdochii sp. nov., are proposed. The type strains of Peptoniphilus gorbachii sp. nov., Peptoniphilus olsenii sp. nov., and Anaerococcus murdochii sp. nov. are WAL 10418T (= CCUG 53341T = ATCC BAA-1383T), WAL 12922T (= CCUG 53342T = ATCC BAA-1384T), and WAL 17230T (= CCUG 53340T = ATCC BAA-1385T), respectively.
Published ahead of print on 11 April 2007.
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