Prevalence of the Pandemic Genotype of Vibrio parahaemolyticus in Dhaka, Bangladesh, and Significance of Its Distribution across Different Serotypes
Abstract
Prevalence of the Pandemic Genotype of Vibrio parahaemolyticus in Dhaka, Bangladesh, and Significance of Its Distribution across Different Serotypes N. A. Bhuiyan 1 , M. Ansaruzzaman 1 , M. Kamruzzaman 1 , Khorshed Alam 1 , N. R. Chowdhury 2 , M. Nishibuchi 3 , Shah M. Faruque 1 , David A. Sack 1 , Yoshifumi Takeda 4 , and G. Balakrish Nair 1 , 2 , * 1 International Centre for Diarrhoeal Disease Research, Bangladesh, Dhaka-1212, Bangladesh 2 National Institute of Cholera and Enteric Diseases, Calcutta-700 010, India 3 Center for Southeast Asian Studies, Kyoto University, Yoshida, Sakyo-ku, Kyoto 4 Faculty of Human Life Sciences, Jissen Women’s University, Tokyo 191-8510, Japan ABSTRACT Sixty-six strains of Vibrio parahaemolyticus belonging to 14 serotypes were isolated from hospitalized patients in Dhaka, Bangladesh, from January 1998 to December 2000. Among these, 48 strains belonging to four serotypes had the pandemic genotype and possessed the tdh gene. A marker (open reading frame ORF8) for a filamentous phage previously thought to correspond to the pandemic genotype was found to have a poor correlation with the pandemic genotype.