Esculin hydrolysis by Vibrio vulnificus |
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| Authors: | D L Tison |
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| Affiliation: | 1. Department of Biochemistry, College of Medicine and Health Sciences, Sultan Qaboos University, P.O. Box 35, 123 Al-Khod, Oman;2. Animal Resources Research Corporation Khartoum, Sudan;3. Sennar Regional Veterinary Research Laboratory, Sennar, Sudan;4. School of Veterinary Medicine, College of Medical, Veterinary and Life Sciences, University of Glasgow, UK;5. Institute of Immunology and Infection Research, School of Biological Sciences, Ashworth Laboratories, University of Edinburgh, Edinburgh, UK |
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| Abstract: | A clinical isolate of Vibrio vulnificus was found to hydrolyze esculin when tested on bile-esculin-azide agar during the initial characterization of the strain. Reports in the literature of esculin hydrolysis by V. vulnificus are conflicting. We tested herein 52 strains of V. vulnificus from clinical and environmental sources for the ability to hydrolyze esculin. Seventy-eight percent of the strains hydrolyzed esculin on bile-esculin-azide agar, whereas all strains of V. vulnificus tested were positive for esculin hydrolysis in a noninhibitory medium, whereas some strains failed to hydrolyze esculin on media containing inhibitory compounds. |
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