Figure 4From: Quorum sensing modulates colony morphology through alkyl quinolones in Pseudomonas aeruginosaRole of pyocyanin and tpbA in the wrinkled colony phenotype. A. Colony morphology of the ZK wild-type (WT) and the lasR mutant with and without 50 μM pyocyanin. B. Colony morphology of the ZK wild-type (WT) and the tpbA mutant. Colonies were grown for 3 days at 37°C.Back to article page