TABLE 3.

Accumulation of norfloxacin without and with CCCP in three strains of K. pneumoniae deficient in porins and lacking energy-dependent accumulation of norfloxacin

StrainAccumulation of norfloxacina (ng/mg of bacteria [dry wt])
BasalWith 100 mM CCCP
RL-2441 ± 80387 ± 90
GAJ-3386 ± 33386 ± 33
MCQ-102454 ± 119372 ± 88
  • a Data are expressed as means ± standard deviations from three independent duplicate experiments.