Fig. 7From: Metabolic pathway engineering using the central signal processor PII Cyanophycin stained in a exponentially growing and b phosphate-starved cells of Synechocystis sp. PCC 6803 wild-type and strain BW86 using the Sakaguchi reaction. The intensity of red indicates the amount of arginine. The dark red to purple dots are cyanophycin granulesBack to article page