Transcriptome Sequencing of Gynostemma pentaphyllum to Identify Genes and Enzymes Involved in Triterpenoid Biosynthesis

Figure 4

FPS, SS, and SE in the synthesis pathway of triterpenoids. Note: IPP: isopentenyl-PP; IDI: isopentenyl-diphosphate delta-isomerase; DMAPP: dimethylallyl-PP; GPS: geranyl-diphosphate synthase; GPPS: geranylgeranyl diphosphate synthase; GPP: geranylgeranyl diphosphate; FPS: farnesyl diphosphate synthase; GGPPS: geranylgeranyl diphosphate synthase; GGPP: geranylgeranyl diphosphate; SS: squalene synthase; and SE: squalene epoxidase.