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. 2016 Aug 23;7:1313. doi: 10.3389/fmicb.2016.01313

FIGURE 3.

FIGURE 3

NAG down regulates QS regulated transcriptional activity. Transcriptional levels of (A) the C. violaceum CV026 CviR-HHL regulated vioA, vioC, and vioD genes in the presence of 100 nM HHL and 5 mM NAG, (B) the E. coli MT102 LuxR-OHHL regulated gfp(ASV) gene in the presence of 10 nM OHHL and 1 mM NAG and (C) the P. aeruginosa MH602 LasR-OdDHL regulated gfp(ASV) gene in the presence of 1 mM NAG. Cultures were sampled at mid-log growth phase for mRNA extractions. All cultures were in triplicate. Error bars represent standard deviation. Asterisks indicate the significant differences in comparison to control samples (P < 0.01).