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Int J Syst Evol Microbiol 55 (2005), 667-671; DOI  10.1099/ijs.0.63116-0
© 2005 International Union of Microbiological Societies

Guggenheimella bovis gen. nov., sp. nov., isolated from lesions of bovine dermatitis digitalis

C. Wyss1, F. E. Dewhirst2, B. J. Paster2, T. Thurnheer1 and A. Luginbühl3

1 Institut für Orale Biologie, Zentrum für Zahn-, Mund- und Kieferheilkunde der Universität Zürich, Plattenstrasse 11, CH-8028 Zürich, Switzerland
2 Department of Molecular Genetics, The Forsyth Institute, 140 Fenway, Boston, MA 02115, USA
3 Tierarztpraxis, CH-3186 Düdingen, Switzerland

Correspondence
C. Wyss
wyss.c{at}zzmk.unizh.ch

Dermatitis digitalis is an economically important ulcerative disease of undetermined aetiology affecting the hooves of cattle. Material was examined from two independent cases of this disease in Switzerland. Cultures from the advancing front of both lesions yielded large numbers of closely related short, mesophilic, non-motile, non-spore-forming, anaerobic, proteolytic, Gram-positive rods. The 16S rRNA gene sequences of strains OMZ 913T and OMZ 915 were identical and indicate Tindallia magadiensis and Eubacterium saphenum as their closest relatives. Phenotypically, the novel isolates are clearly distinguished from related bacteria by protein and antigen patterns, by cellular fatty acids and by API ZYM activities. The diamino acid of the Gram-positive cell wall is ornithine and the G+C content of OMZ 913T DNA is 44·4 mol%. The phylogenetic distance from recognized taxa in the phylum Firmicutes is sufficient to place these bovine isolates into a novel genus and species, for which the name Guggenheimella bovis gen. nov., sp. nov. is proposed, with OMZ 913T (=CIP 108087T=DSM 15657T) as the type strain.

Abbreviations: DD, dermatitis digitalis

Published online ahead of print on 24 September 2004 as DOI 10.1099/ijs.0.63116-0.

The GenBank/EMBL/DDBJ accession number for the 16S rRNA gene sequence of strain OMZ 913T is AY272039.

A transmission electron micrograph, SDS-PAGE profiles of whole-cell proteins, API ZYM activities and cellular fatty acid profiles are available as supplementary material in IJSEM Online.




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Evidence of Multiple Treponema Phylotypes Involved in Bovine Digital Dermatitis as Shown by 16S rRNA Gene Analysis and Fluorescence In Situ Hybridization
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