Indian Journal of Pathology and Microbiology
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Year : 1996  |  Volume : 39  |  Issue : 2  |  Page : 121-5

Characterisation of Vibrio cholerae 0139 isolated from diarrhoeal stools.

Department of Microbiology, University College of Medical Sciences, Shahdara, Delhi

Correspondence Address:
R Mahajan
Department of Microbiology, University College of Medical Sciences, Shahdara, Delhi

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Source of Support: None, Conflict of Interest: None

PMID: 9401240

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A total of 174 samples of acute diarrhoeal stools received over a period of seven months, yielded 101 isolated morphologically and biochemically resembling Vibro cholerae. Serologically, 57(56.4 per cent) of the 101 isolates were identified as V. cholerae 01 and remaining 44 (43.6 per cent) as V. cholerae 0139. Keeping in mind the unique potential of 0139 among non 01 vibrio to cause epidemics, we decided to undertake the study of biochemical characters and physiological behaviour of all the 44 V. cholerae 0139 isolates. All the stains were Voges Proskauer's test positive' haemagglutinating and grew in the presence of 6 per cent sodium chloride. 13 (29.5 per cent) strains showed haemolytic activity. Nine (20.5 per cent) were polymyxin-B sensitive and 4 (9.0 per cent) fermented lactose. All the isolates showed considerable degree of homogeneity in their biochemical and physiological properties, some characters define them to be closer to El Tor biotype.

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