THE origin of the tropane (and other) alkaloids in the plants that produce them has not been the object if much interest in the past. This seems to have been due to the sterility of the teleological ...

Chalcone synthase (CHS) is pivotal for the biosynthesis of flavonoid antimicrobial phytoalexins and anthocyanin pigments in plants. It produces chalcone by condensing one p-coumaroyl- and three ...