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Clonal Diversity among Recently Emerged Strains of Vibrio parahaemolyticus O3:K6 Associated With Pandemic Spread

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Title Clonal Diversity among Recently Emerged Strains of
Vibrio parahaemolyticus O3:K6 Associated
With Pandemic Spread
 
Creator Bag, Prasanta K
Nandi, Suvobroto
Bhadra, Rupak K
Ramamurthy, Thandavarayan
Bhattacharya, S K
Nishibuchi, M
Hamabata, T
Yamasaki, Shinji
Takeda, Yoshifumi
Nair, G. Balakrish
 
Subject Infectious Diseases and Immunology
 
Description February 1996 and which demonstrated an unusual potential to spread and an enhanced propensity to cause
infections were examined by different molecular techniques to determine clonality. No restriction fragment
length polymorphism (RFLP) in the gene encoding the thermostable direct hemolysin was observed among the
O3:K6 isolates of V. parahaemolyticus. Clonal diversity among the O3:K6 strains became evident by examining
the RFLPs of the rrn operons and by the use of pulsed-field gel electrophoresis. Five ribotypes were distinguished
among the O3:K6 strains examined, with ribotype R4 constituting the major type. Strains of O3:K6
isolated between June and August 1996 showed different pulsotypes compared to the pulsotypes of strains isolated
before and after this period, indicating genetic reassortment among these strains, but those isolated between
August 1996 and March 1998 showed identical or nearly similar pulsotypes. It is clear that there is a certain
degree of genomic reassortment among the O3:K6 clones but that these strains are predominantly one clone.
 
Publisher American Society for Microbiology
 
Date 1999
 
Type Article
PeerReviewed
 
Format application/pdf
 
Identifier http://www.eprints.iicb.res.in/687/1/JOURNAL_OF_CLINICAL_MICROBIOLOGY__37(_7)_2354%2D2357_;1999[41].pdf
Bag, Prasanta K and Nandi, Suvobroto and Bhadra, Rupak K and Ramamurthy, Thandavarayan and Bhattacharya, S K and Nishibuchi, M and Hamabata, T and Yamasaki, Shinji and Takeda, Yoshifumi and Nair, G. Balakrish (1999) Clonal Diversity among Recently Emerged Strains of Vibrio parahaemolyticus O3:K6 Associated With Pandemic Spread. Journal of Clinical Microbiology, 37 (7). pp. 2354-2357.
 
Relation http://dx.doi.org/
http://www.eprints.iicb.res.in/687/