Elucidation of the biosynthesis of the di-C-glycosylflavone isoschaftoside, an allelopathic component from Desmodium spp. that inhibits Striga spp. development

Hamilton, M., Kuate, S., Brazier-Hicks, M., Caulfield, J., Rose, R., Edwards, R., Toto, B., Pickett, J. ORCID: https://orcid.org/0000-0002-8386-3770 and Hooper, A. 2012. Elucidation of the biosynthesis of the di-C-glycosylflavone isoschaftoside, an allelopathic component from Desmodium spp. that inhibits Striga spp. development. Phytochemistry 84 , pp. 169-176. 10.1016/j.phytochem.2012.08.005

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Abstract

Isoschaftoside, an allelopathic di-C-glycosylflavone from Desmodium spp. root exudates, is biosynthesised through sequential glucosylation and arabinosylation of 2-hydroxynaringenin with UDP-glucose and UDP-arabinose. Complete conversion to the flavone requires chemical dehydration implying a dehydratase enzyme has a role in vivo to complete the biosynthesis. The C-glucosyltransferase has been partially characterised and its activity demonstrated in highly purified fractions.

Item Type:	Article
Date Type:	Publication
Status:	Published
Schools:	Schools > Chemistry
Publisher:	Elsevier
ISSN:	0031-9422
Last Modified:	05 Feb 2026 11:00
URI:	https://orca.cardiff.ac.uk/id/eprint/184415

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