Clonal relationships among classical Vibrio cholerae O1 strains isolated between 1961 and 1992 in Bangladesh
نویسندگان
چکیده
منابع مشابه
Molecular analysis of Vibrio cholerae O1, O139, non-O1, and non-O139 strains: clonal relationships between clinical and environmental isolates.
A total of 26 strains of Vibrio cholerae, including members of the O1, O139, and non-O1, non-O139 serogroups from both clinical and environmental sources, were examined for the presence of genes encoding cholera toxin (ctxA), zonula occludens toxin (zot), accessory cholera enterotoxin (ace), hemolysin (hlyA), NAG-specific heat-stable toxin (st), toxin-coregulated pilus (tcpA), and outer membran...
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This study was funded by National Institutes of Health grant no. K08 AI-073525 (S.R.D.), by a fellowship from the Consejo Nacional para Ciencia y Tecnología of the Mexican federal government (S.G.R.), and by a fellowship from the Brazilian government agencies Coordenação de Aperfeiçoamento de Pessoal de Nível Superior and Conselho Nacional de Desenvolvimento Científico e Tecnológico (L.G.B.G.).
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We determined the types of cholera toxin (CT) produced by a collection of 185 Vibrio cholerae O1 strains isolated in Bangladesh over the past 45 years. All of the El Tor strains of V. cholerae O1 isolated since 2001 produced CT of the classical biotype, while those isolated before 2001 produced CT of the El Tor biotype.
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Cholera is still a major public health concern in many African countries. In Angola, after a decade of absence, cholera reemerged in 1987, spreading throughout the country until 1996, with outbreaks recurring in a seasonal pattern. In 2006 Angola was hit by one of the most severe outbreaks of the last decade, with ca. 240,000 cases reported. We analyzed 21 clinical strains isolated between 1992...
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ژورنال
عنوان ژورنال: Journal of Clinical Microbiology
سال: 1993
ISSN: 0095-1137,1098-660X
DOI: 10.1128/jcm.31.9.2513-2516.1993