Figure 1From: Cell-specific expression of tryptophan decarboxylase and 10-hydroxygeraniol oxidoreductase, key genes involved in camptothecin biosynthesis in Camptotheca acuminata Decne (Nyssaceae)Biosynthesis of camptothecin. Tryptophan decarboxylase (TDC); geraniol 10-hydroxylase (G10H); NADPH:cytochrome P450 reductase (CPR); secologanine synthase (SLS); strictosidine synthase (STR). Double arrows indicate the involvement of multiple enzymatic steps.Back to article page