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Export of salicylic acid from the chloroplast requires the multidrug and toxin extrusion-like transporter EDS5

hal.structure.identifierDepartment of Biology
dc.contributor.authorSERRANO, Mario
hal.structure.identifierDepartment of Biology
hal.structure.identifierSouthwest University
dc.contributor.authorWANG, Bangjun
hal.structure.identifierDepartment of Biology
dc.contributor.authorARYAL, Bibek
hal.structure.identifierBiologie du fruit et pathologie [BFP]
hal.structure.identifierDepartment of Biology
dc.contributor.authorGARCION, Christophe
hal.structure.identifierDepartment of Biology
dc.contributor.authorABOU-MANSOUR, Eliane
hal.structure.identifierDepartment of Biology
hal.structure.identifierAngiomed GmbH
dc.contributor.authorHECK, Silvia
hal.structure.identifierDepartment of Biology
dc.contributor.authorGEISLER, Markus
hal.structure.identifierDepartment of Biology
dc.contributor.authorMAUCH, Felix
hal.structure.identifierDepartment of Biology
hal.structure.identifierUniversité de Lausanne = University of Lausanne [UNIL]
dc.contributor.authorNAWRATH, Christiane
hal.structure.identifierDepartment of Biology
dc.contributor.authorMÉTRAUX, Jean-Pierre
dc.date.issued2013
dc.identifier.issn0032-0889
dc.description.abstractEnSalicylic acid (SA) is central for the defense of plants to pathogens and abiotic stress. SA is synthesized in chloroplasts from chorismic acid by an isochorismate synthase (ICS1); SA biosynthesis is negatively regulated by autoinhibitory feedback at ICS1. Genetic studies indicated that the multidrug and toxin extrusion transporter ENHANCED DISEASE SUSCEPTIBILITY5 (EDS5) of Arabidopsis (Arabidopsis thaliana) is necessary for SA accumulation after biotic and abiotic stress, but so far it is not understood how EDS5 controls the biosynthesis of SA. Here, we show that EDS5 colocalizes with a marker of the chloroplast envelope and that EDS5 functions as a multidrug and toxin extrusion-like transporter in the export of SA from the chloroplast to the cytoplasm in Arabidopsis, where it controls the innate immune response. The location at the chloroplast envelope supports a model of the effect of EDS5 on SA biosynthesis: in the eds5 mutant, stress-induced SA is trapped in the chloroplast and inhibits its own accumulation by autoinhibitory feedback.
dc.language.isoen
dc.publisherOxford University Press ; American Society of Plant Biologists
dc.title.enExport of salicylic acid from the chloroplast requires the multidrug and toxin extrusion-like transporter EDS5
dc.typeArticle de revue
dc.identifier.doi10.1104/pp.113.218156
dc.subject.halSciences du Vivant [q-bio]/Biologie végétale
bordeaux.journalPlant Physiology
bordeaux.page1815-1821
bordeaux.volume162
bordeaux.issue4
bordeaux.peerReviewedoui
hal.identifierhal-02650838
hal.version1
hal.popularnon
hal.audienceInternationale
hal.origin.linkhttps://hal.archives-ouvertes.fr//hal-02650838v1
bordeaux.COinSctx_ver=Z39.88-2004&rft_val_fmt=info:ofi/fmt:kev:mtx:journal&rft.jtitle=Plant%20Physiology&rft.date=2013&rft.volume=162&rft.issue=4&rft.spage=1815-1821&rft.epage=1815-1821&rft.eissn=0032-0889&rft.issn=0032-0889&rft.au=SERRANO,%20Mario&WANG,%20Bangjun&ARYAL,%20Bibek&GARCION,%20Christophe&ABOU-MANSOUR,%20Eliane&rft.genre=article


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