Figure 4From: Indole is an inter-species biofilm signal mediated by SdiAEffect of the trpE, tnaC, trpL, tnaA, sdiA, hdeA, and gadA mutations on biofilm formation in LB glu media. Biomass measured at 540 nm after 24 h. Each experiment was repeated two or four times, and one standard deviation is shown.Back to article page