Comparative In Vitro Activities of Ciprofloxacin, Clinafloxacin, Gatifloxacin, Levofloxacin, Moxifloxacin, and Trovafloxacin against Klebsiella pneumoniae , Klebsiella oxytoca , Enterobacter cloacae , and Enterobacter aerogenes Clinical Isolates with Alterations in GyrA and ParC Proteins

Author:

Brisse Sylvain1,Milatovic Dana1,Fluit Ad C.1,Verhoef Jan1,Martin Nele2,Scheuring Sybille2,Köhrer Karl2,Schmitz Franz-Josef12

Affiliation:

1. Eijkman-Winkler Institute, Utrecht University, 3584 CX, Utrecht, The Netherlands,1and

2. Institute for Medical Microbiology and Virology, University Hospital Düsseldorf, D-40225 Düsseldorf, Germany2

Abstract

ABSTRACT The in vitro activities of ciprofloxacin, clinafloxacin, gatifloxacin, levofloxacin, moxifloxacin, and trovafloxacin were tested against 72 ciprofloxacin-resistant and 28 ciprofloxacin-susceptible isolates of Klebsiella pneumoniae , Klebsiella oxytoca , Enterobacter cloacae , and Enterobacter aerogenes . Irrespective of the alterations in GyrA and ParC proteins, clinafloxacin exhibited greater activity than all other fluoroquinolones tested against K. pneumoniae and E. aerogenes .

Publisher

American Society for Microbiology

Subject

Infectious Diseases,Pharmacology (medical),Pharmacology

Reference21 articles.

1. High-level quinolone resistance amongst clinical isolates of Escherichia coli and Klebsiella pneumoniae from Spain.;Alarcon T.;J. Antimicrob. Chemother.,1993

2. Comparison of the antibacterial activities of the quinolones Bay 12-8039, gatifloxacin (AM 1155), trovafloxacin, clinafloxacin, levofloxacin and ciprofloxacin.;Bauernfeind A.;J. Antimicrob. Chemother.,1997

3. Multiclonal emergence of ciprofloxacin-resistant clinical isolates of Escherichia coli and Klebsiella pneumoniae.;Bauernfeind A.;J. Antimicrob. Chemother.,1994

4. Neisseria gonorrhoeae acquires mutations in analogous regions of gyrA and parC in fluoroquinolone-resistant isolates.;Belland R. J.;Mol. Microbiol.,1994

5. DNA gyrase mutations in quinolone-resistant clinical isolates of Neisseria gonorrhoeae

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