Literature DB >> 16801422

Mechanism of drug resistance in clonally related clinical isolates of Vibrio fluvialis isolated in Kolkata, India.

Vijaya Bharathi Srinivasan1, Rupinder Kaur Virk, Amita Kaundal, Rupa Chakraborty, Basabjit Datta, T Ramamurthy, Asish K Mukhopadhyay, Amit Ghosh.   

Abstract

The molecular mechanisms of drug resistance in 19 strains of Vibrio fluvialis isolated from 1998 to 2002 in Kolkata, India, were investigated. Class 1 integrons were detected in eight strains, and four strains were found to carry SXT integrases. In the presence of carbonyl cyanide m-chlorophenylhydrazone or reserpine, all nalidixic acid- and ciprofloxacin-resistant strains became sensitive, suggesting that drug efflux plays a major role in quinolone resistance in V. fluvialis. It was further seen that strains which had MICs of > 25 microg/ml for nalidixic acid had a sense mutation (Ser to Ile) at position 83 of the quinolone resistance-determining region of gyrA. All except one of the integron- and SXT integrase-bearing strains belonged to the same ribotype.

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Year:  2006        PMID： 16801422      PMCID： PMC1489780          DOI： 10.1128/AAC.01561-05

Source DB:  PubMed          Journal:  Antimicrob Agents Chemother        ISSN： 0066-4804            Impact factor:   5.191


  16 in total

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2.  Basic local alignment search tool.

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5.  Role of H- and D- MATE-type transporters from multidrug resistant clinical isolates of Vibrio fluvialis in conferring fluoroquinolone resistance.

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6.  Characterization of Vibrio fluvialis qnrVC5 Gene in Native and Heterologous Hosts: Synergy of qnrVC5 with other Determinants in Conferring Quinolone Resistance.

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7.  Occurrence of Diverse Antimicrobial Resistance Determinants in Genetically Unrelated Biocide Tolerant Klebsiella pneumoniae.

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