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EtrB-positive targets of regulation. qRT-PCR of indicated genes (described in the main text) was performed in WT 86-24 and the ΔetrB strain (n = 3; error bars represent the geometric means ± standard deviations). Statistical significance is shown relative to results with the WT 86-24 strain. *, P ≤ 0.05; **, P ≤ 0.005.
