Fig. 1.
Proposed biosynthetic pathways for the formation of volatile homoterpenes in plants. GGPP, geranylgeranyl diphosphate; FPP, farnesyl diphosphate; TMTT, 4,8,12-trimethyltrideca-1,3,7,11-tetraene; DMNT, 4,8-dimethyl-1,3,7-nonatriene; GES, geranyllinalool synthase; NES, nerolidol synthase; P450, cytochrome P450 monooxygenase.
