Serovar, biotype, phage type, toxigenicity & antibiotic susceptibility patterns of Vibrio cholerae isolated during two consecutive cholera seasons (1989-90) in Calcutta.

dc.contributor.authorRamamurthy, Ten_US
dc.contributor.authorPal, Aen_US
dc.contributor.authorBhattacharya, M Ken_US
dc.contributor.authorBhattacharya, S Ken_US
dc.contributor.authorChowdhury, A Sen_US
dc.contributor.authorTakeda, Yen_US
dc.contributor.authorTakeda, Ten_US
dc.contributor.authorPal, S Cen_US
dc.contributor.authorNair, G Ben_US
dc.date.accessioned1992-05-01en_US
dc.date.accessioned2009-05-27T08:02:03Z
dc.date.available1992-05-01en_US
dc.date.available2009-05-27T08:02:03Z
dc.date.issued1992-05-01en_US
dc.description.abstractCharacteristics of V. cholerae isolated from patients of acute secretory diarrhoea admitted to the Infectious Diseases Hospital, Calcutta during two consecutive cholera seasons (1989 and 1990), with special emphasis on biotyping and toxigenicity, were investigated. The isolation rates of V. cholerae during 1989 and 1990 were 78 and 85.1 per cent respectively, with Inaba serotype dominating in 1989 and Ogawa in 1990. All the V. cholerae 01 strains isolated in this study belonged to biotype Eltor with phage type 4 dominating (48.8%). Most of the strains of V. cholerae were resistant to 10 and 150 micrograms/ml of 0/129 vibriostatic agent. Similarly, majority of the V. cholerae strains were resistant to furazolidone (95.7%), cotrimoxazole (83%) and tetracycline (63.1%) and several resistance patterns were encountered. All the V. cholerae 01 strains examined produced cholera toxin (CT) in amounts ranging between greater than 70 pg/ml and greater than 2.5 ng/ml. In contrast, all but one of the non-01 strains isolated in this study did not produce CT. Further studies are required to elucidate the mechanism involved in the pathogenesis of non-01 V. cholerae mediated diarrhoea.en_US
dc.description.affiliationNational Institute of Cholera & Enteric Diseases, Calcutta.en_US
dc.identifier.citationRamamurthy T, Pal A, Bhattacharya MK, Bhattacharya SK, Chowdhury AS, Takeda Y, Takeda T, Pal SC, Nair GB. Serovar, biotype, phage type, toxigenicity & antibiotic susceptibility patterns of Vibrio cholerae isolated during two consecutive cholera seasons (1989-90) in Calcutta. Indian Journal of Medical Research. 1992 May; 95(): 125-9en_US
dc.identifier.urihttps://imsear.searo.who.int/handle/123456789/22995
dc.language.isoengen_US
dc.source.urihttps://icmr.nic.in/ijmr/ijmr.htmen_US
dc.subject.meshAnti-Bacterial Agents --pharmacologyen_US
dc.subject.meshBacterial Typing Techniquesen_US
dc.subject.meshCholera --microbiologyen_US
dc.subject.meshCholera Toxin --analysisen_US
dc.subject.meshDrug Resistance, Microbialen_US
dc.subject.meshHumansen_US
dc.subject.meshIndiaen_US
dc.subject.meshMicrobial Sensitivity Testsen_US
dc.subject.meshPteridines --pharmacologyen_US
dc.subject.meshVibrio cholerae --classificationen_US
dc.titleSerovar, biotype, phage type, toxigenicity & antibiotic susceptibility patterns of Vibrio cholerae isolated during two consecutive cholera seasons (1989-90) in Calcutta.en_US
dc.typeJournal Articleen_US
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