Fig. 14From: Biodiversity and biological applications of marine actinomycetes—Abu-Qir Bay, Mediterranean Sea, EgyptResponse surface of the interaction of A high pigmentation was recorded for high casein concentration and low KNO3 concentration, B high casein concentration and slightly high of FeSO4 give high pigment production, and C low FeSO4 and KNO3 concentration give high pigment production by Streptomyces tunisiensis W4MT57322Back to article page