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Natural transformation in the presence of transcriptional or translational inhibitors. CFU/ml (light grey) and transformants/CFU (dark grey). The results represent a mean of three replicates with standard deviations. Data are normalized to the value of the negative control (no additive). Rif, 500 µg/ml rifampicin; Erm, 2 µg/ml erythromycin; Tet, 20 µg/ml tetracycline. White bars, CFU/ml; grey bars, transformants/CFU.
