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. 2014 Dec 22;197(2):277–285. doi: 10.1128/JB.01973-14

FIG 2.

FIG 2

Catalase and the peroxidase PgdX together protect NTHI strain 86-028NP from H2O2-induced oxidative stress. A strain of 86-028NP that lacked both hktE and pgdX was grown exponentially and then treated with 500 μM H2O2 for 10 min. The cells were harvested and plated to assess viability. Loss of both hktE and pgdX produced a slight loss in cell viability. Complementation of the double mutant with either hktE or pgdX restored the parental phenotype. Error bars show standard errors of the means. *, P ≤ 0.05 (n = 7).