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. 2004 Oct;186(20):6902–6914. doi: 10.1128/JB.186.20.6902-6914.2004

FIG. 4.

FIG. 4.

V. harveyi single, double, and triple autoinducer synthase mutant phenotypes. (A) Light production per cell (RLU) was measured from high-cell-density V. harveyi cultures. The V. harveyi strains are (from left to right) BB120 (WT), JMH603 (cqsAVh), KM387 (luxS), JAF633 (luxM), JMH605 (luxM cqsAVh), JMH606 (luxS cqsAVh), KM413 (luxM luxS), and JMH634 (luxM luxS cqsAVh), and the rightmost two bars are JMH603 (cqsAVh). In these latter two cases, JMH603 (cqsAVh) was grown in the presence of 30% V. harveyi or V. cholerae WT culture fluids. The asterisks denote exogenously added autoinducer. (B) CqsAVh and CqsSVh epistasis analysis. RLU were measured at high cell density in the following strains (left to right): BB120 (WT), JMH603 (cqsAVh), JMH598 (cqsSVh), JMH763 (cqsAVh cqsSVh). Relative light units are defined as counts min−1 ml−1 × 1,000/CFU ml−1.