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Evolution of new variants of Vibrio cholerae O1.

• Ashrafus Safa, Gopinath Balakrish Nair, Richard Y.C. Kong
• Trends in microbiology
• 2010

Vibrio cholerae typically contains a prophage that carries the genes encoding the cholera toxin, which is responsible for the major clinical symptoms of the disease. In recent years, new pathogenic… (More)

Cholera due to altered El Tor strains of Vibrio cholerae O1 in Bangladesh.

• G. Balakrish Nair, Firdausi Qadri, +8 authors David A Sack
• Journal of clinical microbiology
• 2006

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… (More)

Vibrio cholerae O1 Hybrid El Tor Strains, Asia and Africa

• Ashrafus Safa, Jinath Sultana, Phung Dac Cam, James C. L. Mwansa, Richard Y.C. Kong
• Emerging infectious diseases
• 2008

To the Editor: Vibrio cholerae is a water-borne pathogen that causes a severe watery diarrhea disease known as cholera. On the basis of variable somatic O antigen composition, >200 serogroups of V.… (More)

Phenotypic and genotypic characterization of serologically atypical strains of Shigella flexneri type 4 isolated in Dhaka, Bangladesh.

• Kaisar Ali Talukder, Mohammad Aminul Islam, +4 authors David A Sack
• Journal of clinical microbiology
• 2002

Twenty-one atypical Shigella flexneri type 4 strains isolated from patients attending the Dhaka treatment center of the International Centre for Diarrhoeal Disease Research, Bangladesh, were… (More)

Altering trends in the dominance of Shigella flexneri serotypes and emergence of serologically atypical S. flexneri strains in Dhaka, Bangladesh.

• Kaisar Ali Talukder, Dilip Kumar Dutta, +7 authors David A Sack
• Journal of clinical microbiology
• 2001

Of 469 recently isolated Shigella flexneri strains, 452 agglutinated with Shigella flexneri-specific monoclonal antibodies. Of these, 396 could be assigned to 10 of the currently recognized 15… (More)

Diverse CTX phages among toxigenic Vibrio cholerae O1 and O139 strains isolated between 1994 and 2002 in an area where cholera is endemic in Bangladesh.

• Suraia Nusrin, G. Yeahia Khan, +9 authors Gopinath Balakrish Nair
• Journal of clinical microbiology
• 2004

PCR surveillance of the rstR genes of CTX phages in Vibrio cholerae O1 and O139 showed no relationship between the incidence of disease and changes in the rstR but showed variations in their presence… (More)

Pandemic serovars (O3:K6 and O4:K68) of Vibrio parahaemolyticus associated with diarrhea in Mozambique: spread of the pandemic into the African continent.

• Mohammad Ansaruzzaman, Marcelino E. S. Lucas, +13 authors Avertino Barreto
• Journal of clinical microbiology
• 2005

Forty-two episodes of Vibrio parahaemolyticus infections were detected in Beira, Mozambique, from January to May 2004. The majority of the isolates (81%) belonged to the pandemic serovars (O3:K6 and… (More)

Genetic relatedness of ciprofloxacin-resistant Shigella dysenteriae type 1 strains isolated in south Asia.

• Kaisar Ali Talukder, Bijay K Khajanchi, +12 authors David A Sack
• The Journal of antimicrobial chemotherapy
• 2004

OBJECTIVES The aim of the present study was to determine the clonal relationships of ciprofloxacin-resistant Shigella dysenteriae type 1 strains isolated from south Asia, and S. dysenteriae 1 strains… (More)

Genetic characteristics of Matlab variants of Vibrio cholerae O1 that are hybrids between classical and El Tor biotypes.

• Ashrafus Safa, N A Bhuyian, +6 authors Gopinath Balakrish Nair
• Journal of medical microbiology
• 2006

The Matlab variants of Vibrio cholerae O1, defined as hybrids between the classical and El Tor biotypes, were first isolated from hospitalized patients with acute secretory diarrhoea in Matlab, a… (More)

Genetic diversity of El Tor strains of Vibrio cholerae O1 with hybrid traits isolated from Bangladesh and Mozambique.

• Mohammad Ansaruzzaman, Nurul Amin Bhuiyan, +10 authors Gopinath Balakrish Nair
• International journal of medical microbiology…
• 2007

Vibrio cholerae O1 strains that are hybrids between the classical and El Tor biotypes were isolated during two consecutive years (2004-2005) from diarrheal patients in Mozambique. Similar variants… (More)

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