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. 2018 Nov 21;3(6):e00597-18. doi: 10.1128/mSphereDirect.00597-18

FIG 4.

FIG 4

Effect of GML on growth and production of C. difficile toxin A. Data shown are from the highest concentration of GML tested that did not interfere with microbial growth. Effect on PtcdA-RFP expression was measured in both strains by analysis of fluorescence intensity compared to the no-GML control, with the no-GML cultures set at 100% fluorescence.