Figure 2

Expression vectors of O -methyltransferase and organization of the artificial gene clusters used for the production of each methylated analogs of resveratrol in E. coli . All constructs contained the T7 promoter, RBS in front of each gene, and T7 terminator at the rear of each gene. B, BamHI; Bg, BglII; H, HindIII; P, PacI; S, SpeI; N, NdeI; X, XhoI.