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Figure 2 | BMC Microbiology

Figure 2

From: The requirement for the LysR-type regulator PtrA for Pseudomonas chlororaphis PA23 biocontrol revealed through proteomic and phenotypic analysis

Figure 2

Phenazine production in PA23, PA23-443, and PA23-443 harboring ptrA in trans. Panel A. Color development of overnight cultures grown in M9 minimal media supplemented with 1 mm MgSO4 and 0.2% glucose. Left to right; PA23 (pUCP22), PA23-443 (pUCP22), PA23-443 (ptrA-pUCP22). Panel B. Quantitative phenazine analysis of cells grown in M9 minimal media supplemented with 1 mm MgSO4 and 0.2% glucose. Horizontal lines; PA23 (pUCP22), vertical lines; PA23-443 (pUCP22), diagonal lines; PA23-443 (ptrA-pUCP22). Total phenazine: phenazine-1-carboxylic acid + 2-hydroxy-phenazine. *; P < 0.0001, **; p < 0.0002.

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