Enzymatic profiles of Erysipelothrix rhusiopathiae and Erysipelothrix tonsillae |
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| Authors: | T Takahashi Y Tamura T Sawada S Suzuki M Muramatsu T Fujisawa Y Benno T Mitsuoka |
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| Affiliation: | National Veterinary Assay Laboratory, Tokyo, Japan. |
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| Abstract: | The enzymatic activities of 39 strains of Erysipelothrix rhusiopathiae and 34 of E tonsillae were determined with the API ZYM system. The profiles of these two species were very similar, differing solely in N-acetyl-beta-glucosaminidase activity. Whereas 90 per cent of strains of E rhusiopathiae exhibited strong activity with N-acetyl-beta-glucosaminidase, positive reactions were observed for this enzyme in only 24 per cent of strains of E tonsillae. These results support previous DNA-DNA hybridisation studies and suggest that E tonsillae is a new species of the genus Erysipelothrix. |
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