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. 2015 Oct 16;5(4):2782–2807. doi: 10.3390/biom5042782

Figure 13.

Figure 13

Effect of HU and d-galactose on P2 in vivo. (A) β-glucuronidase activity as a reporter of the P2 promoter in WT (hupA+B+) and mutants (hupA+B−, hupA−B+ and hupA−B−) strains; (B) β-glucuronidase activity from P2 in WT (hupA+B+) strain in the absence and presence of d-galactose; (C) β-glucuronidase activity from P2 in WT (hupA+B+) strain in the presence of various coumermycin concentrations. The arrow indicates where d-galactose or coumermycin was added. In each panel, the x-axis shows cell OD (reproduced with permission from John Wiley and Sons Ltd. (Hoboken, NJ, USA) [78]).