Comparison of a commercial biochemical kit and an oligonucleotide probe for identification of environmental isolates of Vibrio vulnificus |
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| Authors: | A Dalsgaard I Dalsgaard L Høi JL Larsen |
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| Institution: | Department of Veterinary Microbiology, Frederiksberg, Denmark;Fish Disease Laboratory, Danish Institute for Fisheries and Marine Research, Frederiksberg, Denmark;Laboratory of Fish Diseases, Royal Veterinary and Agricultural University, Frederiksberg, Denmark |
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| Abstract: | A. DALSGAARD, I. DALSGAARD, L. HØI AND J.L. LARSEN. 1996. Methods for the identification and isolation of environmental isolates of Vibrio vulnificus were evaluated. Alkaline peptone water supplemented with polymyxin B and colistin-polymyxin B-cellobiose agar were employed for the isolation of suspected V. vulnificus from water, sediment and shellfish samples. When comparing the identification of putative V. vulnificus obtained with the API 20E assay and an oligonucleotide probe, 29 API 20E profiles were obtained with only four profiles (representing 20 isolates) reaching the identification threshold of V. vulnificus among a total of 66 isolates hybridizing with the probe. The results indicated that, compared with colony hybridization, the API 20E assay was not adequate for the identification of environmental isolates of V. vulnificus . |
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