Quinolone-resistant Neisseria gonorrhoeae: correlation of alterations in the GyrA subunit of DNA gyrase and the ParC subunit of topoisomerase IV with antimicrobial susceptibility profiles

Author:

Deguchi T1,Yasuda M1,Nakano M1,Ozeki S1,Ezaki T1,Saito I1,Kawada Y1

Affiliation:

1. Department of Urology, Gifu University School of Medicine, Japan.

Abstract

Fifty-five clinical strains of Neisseria gonorrhoeae were examined for mutations in the gyrA and parC genes and for antimicrobial susceptibility profiles. The MICs of quinolones for 31 strains with alterations in GyrA were significantly higher than the MICs for 24 strains without such alterations. Eleven strains with alterations in both GyrA and ParC were significantly more resistant to fluoroquinolones than those with alterations in GyrA alone. The MICs of cephalosporins for these strains were also significantly higher than those for other strains.

Publisher

American Society for Microbiology

Subject

Infectious Diseases,Pharmacology (medical),Pharmacology

Reference11 articles.

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

2. Sexually transmitted diseases treatment guidelines;Centers for Disease Control.;Morbid. Mortal. Weekly Rep.,1993

3. DNA gyrase mutations in quinolone-resistant clinical isolates of Neisseria gonorrhoeae;Deguchi T.;Antimicrob. Agents Chemother.,1995

4. Cloning and primary structure of Staphylococcus aureus DNA topoisomerase IV: a primary target of fluoroquinolones;Ferrero L.;Mol. Microbiol.,1994

5. Sentinel surveillance for antimicrobial resistance in Neisseria gonorrhoeae-United States, 1988-1991;Gorwitz R. J.;Morbid. Mortal. Weekly Rep.,1993

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