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Effect of LexA3 expression on the SOS response. All samples, except for untreated controls, were treated with norfloxacin at various expression levels of LexA3. Graphs depict the triplicate mean ± SEM. (A) Riboregulator system. (B) Log % survival of cells. (C) Fold changes in relative mRNA concentrations for selected SOS genes. See Dataset S2 for the full qPCR data set.
