Fig. 4From: Enhancement of Monascus yellow pigments production by activating the cAMP signalling pathway in Monascus purpureus HJ11Activation of cAMP signalling pathway by mrPDE knockout. a Colony morphology of WT and ΔmrPDE strains. The strains were cultivated on GM plates at 30 °C for 10 days. The cAMP concentration (b), relative PKA kinase activity (c), and DCW (d) of WT, ΔmrPDE and CΔmrPDE strains. Experiments were carried out in three replicatesBack to article page