New Strigolactone Analogs as Plant Hormones with Low Activities in the Rhizosphere
2014
Boyer, François-Didier | de Saint Germain, Alexandre | Pouvreau, Jean-Bernard | Clavé, Guillaume | Pillot, Jean-Paul | Roux, Amélie | Rasmussen, Amanda | Depuydt, Stephen | Lauressergues, Dominique | Frei Dit Frey, Nicolas | Heugebaert, Thomas S A | Stevens, Christian V | Geelen, Danny | Goormachtig, Sofie | Rameau, Catherine | Institut de Chimie des Substances Naturelles (ICSN) ; Institut de Chimie du CNRS (INC)-Centre National de la Recherche Scientifique (CNRS) | Institut Jean-Pierre Bourgin (IJPB) ; Institut National de la Recherche Agronomique (INRA)-AgroParisTech | Laboratoire de biologie et pathologie végétales (LBPV) ; Université de Nantes - UFR des Sciences et des Techniques (UN UFR ST) ; Université de Nantes (UN)-Université de Nantes (UN) | Department of Plant Production [Ghent] ; Faculty of Bioscience Engineering [Ghent] ; Universiteit Gent = Ghent University (UGENT)-Universiteit Gent = Ghent University (UGENT) | Department of Plant Systems Biology, VIB, and Department of Plant Biotechnology and Bioinformatics ; Universiteit Gent = Ghent University (UGENT) | Laboratoire de Recherche en Sciences Végétales (LRSV) ; Université Toulouse III - Paul Sabatier (UT3) ; Université de Toulouse (UT)-Université de Toulouse (UT)-Centre National de la Recherche Scientifique (CNRS) | Evolution des Interactions Plantes-Microorganismes ; Laboratoire de Recherche en Sciences Végétales (LRSV) ; Université Toulouse III - Paul Sabatier (UT3) ; Université de Toulouse (UT)-Université de Toulouse (UT)-Centre National de la Recherche Scientifique (CNRS)-Université Toulouse III - Paul Sabatier (UT3) ; Université de Toulouse (UT)-Université de Toulouse (UT)-Centre National de la Recherche Scientifique (CNRS) | SynBioC Research Group [Ghent] ; Department of Sustainable Organic Chemistry and Technology, Faculty of Bioscience Engineering [Gent] ; Universiteit Gent = Ghent University (UGENT)-Universiteit Gent = Ghent University (UGENT) | Institut National de la Recherche Agronomique (INRA); Agence Nationale de la Recherche [ANR-12-BSV6-004-01]; Marie Curie International Incoming Fellowship; Newton International Fellowship; Fund for Scientific Research Flanders (FWO Vlaanderen) | ANR-12-BSV6-0004,StrigoPath,Voies de signalisation des strigolactones (et/ou de dérivés) chez les plantes terrestres(2012)
International audience
Afficher plus [+] Moins [-]anglais. Strigolactones (SLs) are known not only as plant hormones, but also as rhizosphere signals for establishing symbiotic and parasitic interactions. The design of new specific SL analogs is a challenging goal in understanding the basic plant biology and is also useful to control plant architectures without favoring the development of parasitic plants. Two different molecules (23 (3'-methyl-GR24), 31 (thia-3'-methyl-debranone-like molecule)) already described, and a new one (AR36), for which the synthesis is presented, are biologically compared with the well-known GR24 and the recently identified CISA-1. These different structures emphasize the wide range of parts attached to the D-ring for the bioactivity as a plant hormone. These new compounds possess a common dimethylbutenolide motif but their structure varies in the ABC part of the molecules: 23 has the same ABC part as GR24, while 31 and AR36 carry, respectively, an aromatic ring and an acyclic carbon chain. Detailed information is given for the bioactivity of such derivatives in strigolactone synthesis or in perception mutant plants (pea rms1 and rms4, Arabidopsis max2 and, max4) for different hormonal functions along with their action in the rhizosphere on arbuscular mycorrhizal hyphal growth and parasitic weed germination.
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