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Characterization of mutations in DNA gyrase and topoisomerase IV Involved in quinolone resistance of Mycoplasma gallisepticum mutants obtained in vitro.


ABSTRACT: Mycoplasma gallisepticum enrofloxacin-resistant mutants were generated by stepwise selection in increasing concentrations of enrofloxacin. Alterations were found in the quinolone resistance-determining regions of the four target genes encoding DNA gyrase and topoisomerase IV from these mutants. This is the first description of such mutations in an animal mycoplasma species.

SUBMITTER: Reinhardt AK 

PROVIDER: S-EPMC127038 | biostudies-literature | 2002 Feb

REPOSITORIES: biostudies-literature

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Characterization of mutations in DNA gyrase and topoisomerase IV Involved in quinolone resistance of Mycoplasma gallisepticum mutants obtained in vitro.

Reinhardt A K AK   Bébéar C M CM   Kobisch M M   Kempf I I   Gautier-Bouchardon A V AV  

Antimicrobial agents and chemotherapy 20020201 2


Mycoplasma gallisepticum enrofloxacin-resistant mutants were generated by stepwise selection in increasing concentrations of enrofloxacin. Alterations were found in the quinolone resistance-determining regions of the four target genes encoding DNA gyrase and topoisomerase IV from these mutants. This is the first description of such mutations in an animal mycoplasma species. ...[more]

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