The ancient CYP716 family is a major contributor to the diversification of eudicot triterpenoid biosynthesis

Karel Miettinen, Jacob Pollier, Dieter Buyst, Philipp Arendt, René Csuk, Sven Sommerwerk, Tessa Moses, Jan Mertens, Prashant D Sonawane, Laurens Pauwels, Asaph Aharoni, José Martins, David R. Nelson, Alain Goossens

Research output: Contribution to journalArticlepeer-review

Abstract / Description of output

Triterpenoids are widespread bioactive plant defence compounds with potential use as pharmaceuticals, pesticides and other high-value products. Enzymes belonging to the cytochrome P450 family have an essential role in creating the immense structural diversity of triterpenoids across the plant kingdom. However, for many triterpenoid oxidation reactions, the corresponding enzyme remains unknown. Here we characterize CYP716 enzymes from different medicinal plant species by heterologous expression in engineered yeasts and report ten hitherto unreported triterpenoid oxidation activities, including a cyclization reaction, leading to a triterpenoid lactone. Kingdom-wide phylogenetic analysis of over 400 CYP716s from over 200 plant species reveals details of their evolution and suggests that in eudicots the CYP716s evolved specifically towards triterpenoid biosynthesis. Our findings underscore the great potential of CYP716s as a source for generating triterpenoid structural diversity and expand the toolbox available for synthetic biology programmes for sustainable production of bioactive plant triterpenoids.
Original languageEnglish
Article number14153
Number of pages13
JournalNature Communications
Volume8
Issue number1
DOIs
Publication statusPublished - 6 Feb 2017

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