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Peroxide-responsiveness of scOhrR in vivo. β-Galactosidase and northern analyses of strains expressing scOhrR and containing an ohrA-cat-lacZ fusion. (A) Cells were either untreated (empty bars) treated (filled bars) with 100 μM CHP for 15 min. (B) Cells were either untreated (empty bars) treated (filled bars) with 5 μM LHP for 15 min. Error bars represent the SD (n = 3). (C) Northern blot analysis of the ohrA transcript in cells with and without CHP treatment, as in (A).
