Some properties of subunits of DNA gyrase from Pseudomonas aeruginosa PAO1 and its nalidixic acid-resistant mutant

Author:

Inoue Y,Sato K,Fujii T,Hirai K,Inoue M,Iyobe S,Mitsuhashi S

Abstract

Subunits A and B of DNA gyrase were purified from Pseudomonas aeruginosa PAO1 and its mutant, which was resistant to nalidixic acid. Inhibition tests of DNA gyrases reconstituted with a combination of subunits from the two strains showed that an alteration of subunit A but not subunit B caused bacteria to resist fluoroquinolones.

Publisher

American Society for Microbiology

Subject

Molecular Biology,Microbiology

Reference29 articles.

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3. DNA gyrase and supercoiling of DNA;Cozzareili N. R.;Science,1980

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

5. DNA gyrase: an enzyme that introduces superhelical turns into DNA;Gellert M.;Proc. Natl. Acad. Sci. USA,1976

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