Tomato strigolactones: a more detailed look
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Updated: May 16, 2026

An Efficient Clearing Protocol for the Study of Seed Development in Tomato (Solanum lycopersicum L.)
Published on: September 7, 2022
Wouter Kohlen1, Tatsiana Charnikhova2, Ralph Bours2
1Laboratory of Plant Physiology; Wageningen University; Wageningen, The Netherlands; Department of Plant Breeding and Genetics; Max Planck Institute for Plant Breeding Research; Cologne, Germany.
Abstract:
Strigolactones are plant signaling molecules that induce germination of parasitic plant seeds, initiate host plant - arbuscular mycorrhizal fungus symbiosis and act as plant hormones controlling shoot branching and root architecture. To date four unique strigolactones (e.g., orobanchol, didehydroorobanchol isomers 1 and 2 and the aromatic strigolactone solanacol) have been reported in the root exudates and extracts of tomato (Solanum lycopersicum). Here we report on the presence of several additional strigolactones in tomato root exudates and extracts, orobanchyl acetate, two 7-hydroxyorobanchol isomers, 7-oxoorobanchol and two additional didehydroorobanchol isomers and discuss their possible biological relevance.
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