Fig. 1.

Schematic depiction of two synthetic gene circuits and results of measurements of GusA activity, EGFP and mCherry fluorescence. The following abbreviations are used: cymR – gene coding for the repressor; gusA – glucuronidase reporter gene; egfp – enhanced green fluorescence gene; mCherry – red fluorescence; P21, PA3, PA8, PA2 – synthetic promoters. The cmt operator sites are denoted by rectangles. Error bars indicate the standard deviations of triplicate experiments.