Quinolone resistance-determining region in the DNA gyrase gyrA gene of Escherichia coli

Author:

Yoshida H1,Bogaki M1,Nakamura M1,Nakamura S1

Affiliation:

1. Research Laboratories, Dainippon Pharmaceutical Co., Ltd., Osaka, Japan.

Abstract

Nucleotide sequence analysis of the gyrA genes of 10 spontaneous quinolone-resistant gyrA mutants of Escherichia coli KL16, including four mutants examined previously, disclosed that quinolone resistance was caused by a point mutation within the region between amino acids 67 and 106, especially in the vicinity of amino acid 83, of the GyrA protein.

Publisher

American Society for Microbiology

Subject

Infectious Diseases,Pharmacology (medical),Pharmacology

Reference17 articles.

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3. Cloning and characterization of a DNA gyrase A gene from Escherichia coli that confers clinical resistance to 4-quinolones;Cullen M. E.;Antimicrob. Agents Chemother.,1989

4. Nalidixic acid resistance: a second genetic character involved in DNA gyrase activity;Gellert M.;Proc. Natd. Acad. Sci. USA,1977

5. A rapid boiling method for the preparation of bacterial plasmids;Holmes D. S.;Anal. Biochem.,1981

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