Fig. 1From: Heterologous reconstitution of the biosynthesis pathway for 4-demethyl-premithramycinone, the aglycon of antitumor polyketide mithramycinExpression of cosAR7 in S. albus. a Genetic organization of cluster mtm from Streptomyces argillaceus. b UHPLC analysis at 280 nm of organic extracts of S. albus pKC505 (control). c UHPLC analysis at 280 nm of organic extracts of S. albus cosAR7-R. Black line indicates mtm genes contained in cosmid cosAR7. Chromatograms are shown at the same scale. 4DMPC, 4-demethyl-premithramycinoneBack to article page