Fig. 3From: Rational engineering of Streptomyces albus J1074 for the overexpression of secondary metabolite gene clustersa PCR confirmation of pIJ10257-ermE*crpSC plasmid integration into various S. albus backgrounds. For the PCR screening, primers were used to amplify the coding region of crpSC gene. The expected size of the PCR product was 768 bp. M, 1 kb ladder. b Phenotypes of S. albus J1074 vs S. albus+erm*crpSC cultured on MS solid mediaBack to article page