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1、MPMIVol.25,No.5,2012,pp.709–723.http://dx.doi.org/10.1094/MPMI-11-11-0305.©2012TheAmericanPhytopathologicalSocietye-Xtra*ComparativeAnalysisofTranscriptomicandHormonalResponsestoCompatibleandIncompatiblePlant-VirusInteractionsthatLeadtoCellDeathRemediosPacheco,1Alber
2、toGarcía-Marcos,1AranzazuManzano,1MarioGarcíadeLacoba,1GemmaCamañes,2PilarGarcía-Agustín,2JoséRamónDíaz-Ruíz,1andFranciscoTenllado11DepartamentodeBiologíaMedioambiental,CentrodeInvestigacionesBiológicas,CSIC,RamirodeMaeztu9,28040,Madrid,Spain;2GrupodeBioquímicayBiote
3、cnología.ÁreadeFisiologíaVegetal,DepartamentodeCienciasAgrariasydelMedioNatural,ESTCE,UniversitatJaumeI,12071,Castellón,SpainSubmitted30November2011.Accepted9January2012.Hypersensitiveresponse-relatedprogrammedcelldeathwhichcausesnotonlydevelopmentalarrestbutalsoleaf
4、or(PCD)hasbeenextensivelyanalyzedinvariousplant–plantdeathoverthecourseofseveraldays.Themolecularvirusinteractions.However,littleisknownaboutthemechanismsofSNinductioninsusceptiblehostsseemdiffer-changesingeneexpressionandphytohormonelevelsentfromtheso-calledhypersen
5、sitiveresponse(HR)thatisassociatedwithcelldeathcausedbycompatibleviruses.inducedwithinhoursinresponsetoincompatiblevirus–hostThesynergisticinteractionofPotatovirusX(PVX)withainteractions.HR,aformofprogrammedcelldeath(PCD)numberofPotyvirusspp.resultsinincreasedsymptom
6、s(DanglandJones2001),isinitiatedatinfectionsitesandlimitsthatleadtosystemicnecrosis(SN)inNicotianabentha-virusspreadinassociationwithlocalizeddeathofinfectedandmiana.Here,weshowthatSNinducedbyaPVXrecom-neighboringcells,inducingavarietyofdefense-relatedgenesbinantviru
7、sexpressingapotyviralhelpercomponent-andawiderangeofphysiologicalchanges,whichusuallyproteinase(HC-Pro)geneisassociatedwithPCD.Wehaveinvolvedirectorindirectrecognitionbetweenavirulence(Avr)alsocomparedtranscriptomicandhormonalchangesthatfactorsandhostresistance(R)gen
8、es(Hammond-Kosackandoccurinresponsetoacompatiblesynergisticvirusinter-Jones1996).actionthatleadstoSN,asystemicincompatibleinterac-S
