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. 2015 Dec 23;6:1437. doi: 10.3389/fmicb.2015.01437

Figure 2.

Figure 2

Decreased persister levels of ΔureG, ΔsdhA, ΔsdhB mutants in levofloxacin exposure assay. Stationary-phase cultures of (A) ΔureG, (B) ΔsdhA, and (C) ΔsdhB knockout mutants, along with their complemented strains and the wild-type strain USA500, were exposed to levofloxacin (12.5 μg/ml). Aliquots of cultures were taken at different time points, and the dilutions were plated for CFU determination on TSA plates. The error bars indicate standard deviations. *indicates significant differences in comparison to the parent strain (p-value < 0.05).