Additional file 2: Figure S2. of The MarR-like protein PchR (YvmB) regulates expression of genes involved in pulcherriminic acid biosynthesis and in the initiation of sporulation in Bacillus subtilis


Effect of iron starvation on the expression of cypX and yvmB. The BFA815 (cypX::lacZ) and BSAS108 (pyvmB’-lacZ) strains were cultivated in LB medium until OD600 of 1. Samples of 2 ml of the cultures were spread onto solid LB medium containing 20 μ−1 X-gal. A drop of 10 μl 10 mM bipyridyl was deposited at the center of each plate. Blue rings corresponded to expression of the fusion in cells around the inhibition zone of bipyridyl drops. (PDF 75 kb

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