has role organic heterotricyclic compound sesquiterpene lactone plant hormone butenolide strigolactone PMID:22924438 Patent:US2008318773 PMID:22173099 A family of sesquiterpene lactones with a common structure consisting of two lactone moieties (one a butenolide, the other a tricyclic gamma-lactone) connected by an enol-ether bridge. Originally used to describe phytohormones with diverse signaling activities, biosynthesised from carotenoids, the term also includes synthetic analogues. PMID:22422982 Wikipedia:Strigolactone CHEBI:68487 PMID:20687831 PMID:15944706 PMID:22323776 strigolactones PMID:22027812 PMID:22357928 PMID:22689826 PMID:22738134 PMID:19222028 PMID:22580687 PMID:22885937 PMID:22959345 PMID:21947621 PMID:12590450 PMID:22827937 PMID:15665473 PMID:22542018 chebi_ontology PMID:22398443