Fig. 2From: Enhancement of tanshinone production in Salvia miltiorrhiza hairy root cultures by metabolic engineeringPCR analysis of primary transformants using primers specific to the 35S::SmMDS, rol A and actin genes. Lanes M, DNA size marker ladder; lanes 1–12, PCR products from putative transformants; lane WT, untransformed controls; lane V, DNA from plasmid p35S::SmMDSBack to article page