'Hidden' Terpenoids in Plants: Their Biosynthesis, Localization and Ecological Roles
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Updated: Feb 21, 2026

A Customizable Approach for the Enzymatic Production and Purification of Diterpenoid Natural Products
Published on: October 4, 2019
Kazufumi Yazaki1, Gen-Ichiro Arimura2, Toshiyuki Ohnishi3
1Research Institute for Sustainable Humanosphere, Kyoto University, Gokasho, Uji, 611-0011 Japan.
Abstract:
Terpenoids are the largest group of plant specialized (secondary) metabolites. These naturally occurring chemical compounds are highly diverse in chemical structure. Although there have been many excellent studies of terpenoids, most have focused on compounds built solely of isoprene units. Plants, however, also contain many 'atypical' terpenoids, such as glycosylated volatile terpenes and composite-type terpenoids, the latter of which are synthesized by the coupling of isoprene units on aromatic compounds. This mini review describes these 'hidden' terpenoids, providing an overview of their biosynthesis, localization, and biological and ecological activities.
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