Vibrio cholerae O139 in Calcutta, 1992-1998: Incidence, Antibiograms, and Genotypes
Arnab Basu*, Pallavi Garg*, Simanti Datta*, Soumen Chakraborty*, Tanuja Bhattacharya*, Asis Khan*, T. Ramamurthy*, S.K. Bhattacharya*, Shinji Yamasaki†, Yoshifumi Takeda‡, and G. Balakrish Nair*
Author affiliations: *National Institute of Cholera and Enteric Diseases, Calcutta, India; †International Medical Center of Japan, Tokyo, Japan; and ‡National Institute of Infectious Diseases, Tokyo, Japan
Figure 5. Schematic diagram of CTX prophage (not to scale) as deduced from Southern blot hybridization data. Arrows and boxes correspond to the restriction sites and core regions of CTX prophage, respectively, with hatched portions in the box representing ctxAB genes. Restriction site abbreviations: A, AvaI; BI, BglI; B, BglII; H, HindIII; P, PstI.
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