Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Bactericidal action of fluoroquinolones against resistant mutants. The survival rates of the indicated mutant strains of E. coli were determined following a 2-h incubation in gatifloxacin (filled bars), AM1121 (shaded bars), or ciprofloxacin (open bars) at 10 times the MIC99 for each compound. (A) gyrA mutant strains; (B) gyrA parC double mutants. The data shown are the averages of two determinations.
