Article
Mutation in the DNA gyrase A Gene of Escherichia coli that expands the quinolone resistance-determining region.
Antimicrobial agents and chemotherapy - 1 Aug 2001
Friedman S M, Lu T, Drlica K
Abstract excerpt
In three Escherichia coli mutants, a change (Ala-51 to Val) in the gyrase A protein outside the standard quinolone resistance-determining region (QRDR) lowered the level of quinolone susceptibility more than changes at amino acids 67, 82, 84, and 106 did. Revision of the QRDR to include amino acid 51 is indicated.
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