Figure 6.

Response of the WT as well as the disruption and complementary mutants to the H₂O₂ stress. (A) Colonies of different strains on PDA amended with different concentrations of H₂O₂ (20 °C, 48 h); note the difference in colony size among the WT and the mutants. (B) Histogram showing the reduced growth rates of the WT and the mutants in the treatments with different concentrations of H₂O₂ stresses. * and ** represent significant differences between the WT and an investigated mutant at p < 0.05 and p < 0.01, respectively, according to Student’s t test.