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. 2014 Jan 14;111(4):1586–1591. doi: 10.1073/pnas.1316283111

Fig. 1.

Fig. 1.

The relative QS response was monitored by single-cell fluorescent microscopy during growth of (A) domesticated QS-proficient (QS+) B. subtilis BD4720 (srfA-yfp) and QS signal-deficient (QSS−) B. subtilis BD4729 (srfA-cfp) grown alone and (B) in 1:1 cocultures of B. subtilis BD4720 and B. subtilis BD4729. The fluorescence of the srfA-yfp and srfA-cfp reporter fusions was normalized to maximal fluorescence for each fluorophore, and presented as relative fluorescence (Methods and SI Methods). Data are presented as mean values of at least three biological replicates and the SE is indicated for every time point.