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. 2013 Jul 19;4:203. doi: 10.3389/fmicb.2013.00203

Figure 7.

Figure 7

Effect of external 2-HBP concentration on induction of GFP over time from the 2-HBP and HbpR-dependent PC-promoter. (A) P. azelaica HBP1 wild type containing the reporter plasmid pME6012_hbpR_gfp exposed to 2-HBP concentrations between 0 and 2.3 mM. (B) P. azelaica HBP1 wild-type compared to mexB::Km, mexA::Km and oprM::Km insertion mutants transformed with pME6012_hbpR_gfp exposed or not to 2-HBP at 2.4, 24, or 240 μM. The GFP fluorescence signal is normalized by the culture density at every time point.