Literature DB >> 16940123

In vivo reversion to the wild-type beta-lactam resistance phenotype mediated by a plasmid carrying ampR and qnrA1 in Enterobacter cloacae.

J J González-López1, M Sabaté, S Lavilla, M N Larrosa, R M Bartolomé, G Prats.   

Abstract

Resistance to beta-lactams and quinolones in two isogenic Enterobacter cloacae isolates was studied. One was susceptible to cefoxitin and amoxicillin-clavulanate. The other one showed its natural beta-lactam resistance pattern. Both isolates had a nonfunctional AmpR regulator. However, within the second one, the presence of a plasmid carrying ampR and qnrA1 allowed reversion to the wild-type beta-lactam resistance phenotype and decreased susceptibility to fluoroquinolones.

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Year:  2006        PMID： 16940123      PMCID： PMC1563562          DOI： 10.1128/AAC.00273-06

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


  17 in total

1.  Cloning and sequence of the gene encoding a novel cefotaxime-hydrolyzing beta-lactamase (CTX-M-9) from Escherichia coli in Spain.

Authors:  M Sabaté; R Tarragó; F Navarro; E Miró; C Vergés; J Barbé; G Prats
Journal:  Antimicrob Agents Chemother       Date:  2000-07       Impact factor: 5.191

2.  Increase in MICs of ciprofloxacin in vivo in two closely related clinical isolates of Enterobacter cloacae.

Authors:  Hans-Jörg Linde; Frank Notka; Christine Irtenkauf; Jochen Decker; Jens Wild; Hans-Helmut Niller; Peter Heisig; Norbert Lehn
Journal:  J Antimicrob Chemother       Date:  2002-04       Impact factor: 5.790

3.  Beta-lactamases involved in resistance to broad-spectrum cephalosporins in Escherichia coli and Klebsiella spp. clinical isolates collected between 1994 and 1996, in Barcelona (Spain).

Authors:  Montserrat Sabaté; Elisenda Miró; Ferran Navarro; Clara Vergés; Roxana Aliaga; Beatriz Mirelis; Guillermo Prats
Journal:  J Antimicrob Chemother       Date:  2002-06       Impact factor: 5.790

Review 4.  Regulation of inducible AmpC beta-lactamase expression among Enterobacteriaceae.

Authors:  N D Hanson; C C Sanders
Journal:  Curr Pharm Des       Date:  1999-11       Impact factor: 3.116

5.  Gene mutations responsible for overexpression of AmpC beta-lactamase in some clinical isolates of Enterobacter cloacae.

Authors:  Kenichi Kaneko; Ryoichi Okamoto; Ryuichi Nakano; Sayoko Kawakami; Matsuhisa Inoue
Journal:  J Clin Microbiol       Date:  2005-06       Impact factor: 5.948

Review 6.  Molecular basis of beta-lactamase induction in bacteria.

Authors:  P M Bennett; I Chopra
Journal:  Antimicrob Agents Chemother       Date:  1993-02       Impact factor: 5.191

7.  Distribution of repetitive DNA sequences in eubacteria and application to fingerprinting of bacterial genomes.

Authors:  J Versalovic; T Koeuth; J R Lupski
Journal:  Nucleic Acids Res       Date:  1991-12-25       Impact factor: 16.971

8.  Diversity of chromosomal AmpC beta-lactamases from Enterobacter cloacae isolates in a Portuguese hospital.

Authors:  Teresa Conceição; Nuno Faria; Luís Lito; José Melo Cristino; Maria José Salgado; Aida Duarte
Journal:  FEMS Microbiol Lett       Date:  2004-01-30       Impact factor: 2.742

9.  Plasmid-mediated quinolone resistance in clinical isolates of Escherichia coli from Shanghai, China.

Authors:  Minggui Wang; John H Tran; George A Jacoby; Yingyuan Zhang; Fu Wang; David C Hooper
Journal:  Antimicrob Agents Chemother       Date:  2003-07       Impact factor: 5.191

10.  Bacterial cell wall recycling provides cytosolic muropeptides as effectors for beta-lactamase induction.

Authors:  C Jacobs; L J Huang; E Bartowsky; S Normark; J T Park
Journal:  EMBO J       Date:  1994-10-03       Impact factor: 11.598
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