Biosynthesis of Sesquiterpene Lactones in Pyrethrum (Tanacetum cinerariifolium)
Figure 7
Germacrene A production in planta.
A, headspace analysis of volatiles emitted from Nicotiana benthamiana leaves agro-infiltrated with TcGAS. B, mass fragmentation pattern of compound 1 (Ba) and β-elemene from the Wiley library (Bb). C, cope rearrangement of germacrene A to β-elemene by heat.