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Mechanism of drug resistance in a clinical isolate of Vibrio fluvialis: involvement of multiple plasmids and integrons.

DIR@IMTECH: CSIR-Institute of Microbial Technology

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Title Mechanism of drug resistance in a clinical isolate of Vibrio fluvialis: involvement of multiple plasmids and integrons.
 
Creator Rajpara, Neha
Patel, Arati
Tiwari, Neha
Bahuguna, Jyotsana
Antony, Anita
Choudhury, Ipsita
Ghosh, Anuradha
Jain, R K
Ghosh, Amit
Bhardwaj, Ashima Kushwaha
 
Subject QR Microbiology
 
Description The role of mobile genetic elements in imparting multiple drug resistance to a clinical isolate of Vibrio fluvialis (BD146) was investigated. This isolate showed complete or intermediate resistance to all of the 14 antibiotics tested. Polymerase chain reaction (PCR) revealed the presence of a class 1 integron and the absence of the SXT element in this isolate. The strain harboured a 7.5 kb plasmid and a very low copy number plasmid of unknown molecular size. Transformation of Escherichia coli with plasmid(s) from BD146 generated two kinds of transformants, one that harboured both of these plasmids and the other that harboured only the low copy number plasmid. PCR and antibiogram analysis indicated the association of the class 1 integron with the low copy number plasmid, which also conferred all the transferable resistance traits except trimethoprim to the parent strain. A BLAST search with the sequence of the 7.5kb plasmid showed that it was 99% identical to plasmid pVN84 from Vibrio cholerae O1 in Vietnam, indicating that these two plasmids are probably one and the same. To the best of our knowledge, this is the first report of horizontal transfer of a plasmid between V. fluvialis and V. cholerae.
 
Publisher Elsevier Science
 
Date 2009-09
 
Type Article
PeerReviewed
 
Format application/pdf
 
Identifier http://crdd.osdd.net/open/1088/1/ghosh2009.pdf
Rajpara, Neha and Patel, Arati and Tiwari, Neha and Bahuguna, Jyotsana and Antony, Anita and Choudhury, Ipsita and Ghosh, Anuradha and Jain, R K and Ghosh, Amit and Bhardwaj, Ashima Kushwaha (2009) Mechanism of drug resistance in a clinical isolate of Vibrio fluvialis: involvement of multiple plasmids and integrons. International journal of antimicrobial agents, 34 (3). pp. 220-5. ISSN 1872-7913
 
Relation http://www.sciencedirect.com/science/article/pii/S0924857909001654
http://crdd.osdd.net/open/1088/