Fig. 1From: The two-component system CepRS regulates the cephamycin C biosynthesis in Streptomyces clavuligerus F613-1Verification of cepRS mutant strain ΔcepRS. a Schematic representation outlining the construction of the cepRS deletion and complementation strains. b Polymerase chain reaction-based verification of the ΔcepRS and ΔcepRScom strains. M: DNA markerBack to article page