FIG 5.

DsbM overexpression can enhance oxidant susceptibility. (A) mRNA levels of PA0055, osaR, and PA0057 were determined by qPCR in the WT strain, dsbM mutant, and overexpression strain. (B and C) The indicated strains were then treated with H₂O₂ for 10 min, and the numbers of live bacteria were determined by serial dilution and plating. All data were obtained from at least three independent experiments with three replicates. Error bars indicate SDs. **, P < 0.01; *, P < 0.05 by Student's t test.