Figure 6From: The extracellular death factor (EDF) protects Escherichia coli by scavenging hydroxyl radicals induced by bactericidal antibioticsEffects of EDF and its mutants on the inhibition effects of bacteriostatic agent, rifampicin, in E. coli. The final concentration of rifampicin (Rif) was 40 μg/mL. The incubation was at 37°C for 4 hours. Other methods were similar to the description in Figure 4. Data were presented as means ± S.D. (n = 4).Back to article page