Figure 4From: The requirement for the LysR-type regulator PtrA for Pseudomonas chlororaphis PA23 biocontrol revealed through proteomic and phenotypic analysis Growth rate analysis of wild-type PA23 and mutant PA23-443. Cells were grown in M9 minimal media supplemented with 1Â mM MgSO4 and 0.2% glucose. Spectrophotometric optical densities were taken at 600Â nm. Diamonds; PA23wt, circles; PA23-443.Back to article page