植物褪黑素及其抗逆性研究-徐芳

2013322260266GenomicsandAppliedBiology,2013,Vol.32,No.2,260266ReviewandProgress*,,,,710069*,[e-mail](N5)。。、、。、。,,,TheMelatoninanditsResistancetoStressinPlantsXuFangZhouHaipengGuoZaoxiaYuHong'anYuanYuchuanGongZhigangWangYuhua*CollegeofLifeSciences,NorthwestUniversity,ShaanxiProvincialKeyLaboratoryofBiotechnology,KeyLaboratoryofResourceBiologyandBiotechnologyinWesternChina,Xi'an,710069*Correspondingauthor,[e-mail]:10.3969/gab.032.000260AbstractMelatonin(N-acetyl5methoxytryptamine)isakindofindoleamineendogenouslysecretedbythepinealglandofvertebrates,mainlyinvolvingintheregulationofanimalcircadianrhythm.Ithasbeenconfirmedthatmelatoninisaconstitutivemoleculeexistinginhigherplants.However,itsfunctionintheplantsisnotyetcleare-nough.Currently,theknownfunctionsofmelatonininplantsmayincludeitsparticipationasafreeradicalscaveng-ingagent,thecoordinationofphotoperiodicresponses,andtheregulationofgrowthplants.Thisreviewsummarizedthecontent,biosyntheticpathwayofmelatonininplants,andthefunctionsinimprovingplantresistancetoabioticstresses.KeywordsMelatonin,Plant,Abioticstress,Stressresistance(30900914)、(12JK0826)、(11JS084)、(YZZ12056)2012(201200A)1(melatonin,MT)N5“”“”。、(Rüdigeretal.,2011)。1958Lerner(1958)。、、、、、(Rüdigeretal.,2011;Tanetal.,2010)。1995(Hattorietal.,1995;Dubbelsetal.,1995)。(Tanetal.,2012)。(Reiteretal.,2007;Iriti,2008;OkazakiandEzura,2009;Stegeetal.,2010;Stürtzetal.,2011)、(Chenetal.,2003;MurchandSaxena,2006)、(,,,,)(Hernández-RuizandArnao,2008;ArnaoandHernán-dez-Ruiz,2009a;2009b;Paredesetal.,2009;,2009;Tanetal.,2012)、、、GenomicsandAppliedBiology、。、、、。、、、(Stegeetal.,2010;Ramakr-ishnaetal.,2012;Iritietal.,2010;Menaetal.,2012;Maldonadoetal.,2009;Vitalinietal.,2011)。(Mercolinietal.,2008;Stegeetal.,2010)。(Obaetal.,2008)。、(Iritietal.,2010)。(Garcia-Parrillaetal.,2009)。。2。1(Sugden,1989)。(ArnaoandHernández-Ruiz,2006)。Murch(2000)14C1(Sugden,1989)Figure1Melatoninbiosynthesispathwayinanimals(Sugden,1989)(StJohn'swort)14C、、5555。Tan(2007)。Kang(2011)N(N-acetylserotoninmethyltransferase,ASMT)———OHIOMT。AANATAANAT。Okazaki(2009)NCrAANAT“Micro-Tom”5AANAT。(ArnaoandHernández-Ruiz,2006)。(Kangetal.,2011)555。。3。261、、。、、、、。。(,,,)(Tanetal.,2000)。(Tanetal.,2012)。。3.1。(Droletetal.,1986)。。25℃4℃(Tanetal.,2000)。(Leietal.,2004)。。(WatsonandMalm-berg,1996)。(,2005)。3.2O2廴、H2O2·OH(ROS)(Demmigetal.,1992)。。。(2010)H2O2O2廴ROS。3.3H2O2。Li(2012)1μmol/L。MdNHXMdAKT1。3.4、、。。。UV-B(Tanetal.,2007;Agunbiadeetal.,2009)。Afreen(2006)3d15d()。UV-B。UV-B、、UV-BTheMelatoninanditsResistancetoStressinPlants262GenomicsandAppliedBiology。UV-B(,2009)UV-B(Zhangetal.,2012)。Murch(2006)(Tanetal.,2012)。。3.5、。。(mustard)(Moffat,1995)(Susaetal.,1997)。Tan(2007b)。Posmyk(2008)。UV-B(Tanetal.,2007a;Agunbiadeetal.,2009)。ArnaoHernández-Ruiz(2009a)。、。3.6、、。1mmol/L2(ArnaoandHernández-Ruiz,2009b)(2011)aa/b。AANAT12℃(Kangetal.,2010)。Wang(2012)———a(Pheideaoxygenase,PAO)12(SAG12)。4(Rüdigeretal.,2011)。。。。。、。、。(30900914)、(12JK0826)、(11JS084)、(YZZ12056)2012(201200A)。AfreenF.,ZobayedS.M.,andKozaiT.,2006,MelatonininGly-263cyrrhizauralensis:ResponseofplantrootstospectralqualityoflightandUV-Bradiation,JournalofPinealResearch,41(2):108-115AgunbiadeF.O.,Olu-OwolabiB.I.,andAdebowaleK.O.,2009,PhytoremediationpotentialofEichorniacrassipesinmet-al-contaminatedcoastalwater,BioresourceTechnology,100(19):4521-4526ArnaoM.B.,andHernández-RuizJ.,2006,Thephysiologicalfunctionofmelatonininplants,PlantSignalingandBehav-ior,1(3):89-95ArnaoM.B.,andHernández-RuizJ.,2009a,Chemicalstressbydifferentagentsaffectsthemelatonincontentofbarleyroots,JournalofPinealResearch,46(3):295-299ArnaoM.B.,andHernández-RuizJ.,2009b,Protectiveeffectofmelatoninagainstchlorophylldegradationduringthesenes-cenceofbarleyleaves,JournalofPinealResearch,46(3):58-63ChenG.F.,HuoY.S.,TanD.X.,ZhenL.,ZhangW.B.,andZhangY.K.,2003,MelatonininChinesemedicinalherbs,LifeScience,73(1):19-26DemmigA.D.,AmsB.,andAdamsW.W.,1992,Photoprotectionandotherresponsesofplantstohighlightstress,AnnualRe-viewofPlantPhysiologyandPlantMolecularBiology,43:599-626DroletG.,DumbroffE.B.,LeggeR.L.,andThompsonJ.E.,1986,Radicalscavengingpropertiesofpolyamines,Phytochemi-calAnalysis,25(2):367-371DubbelsR.,ReiterR.J.,KlenkeE.,GoebelA.,SchnakenbergE.,EhlersC.,SchiwaraH.W.,andSchlootW.,1995,Melatonininedibleplantsidentifiedbyradioimmunoassayandbyhighperformanceliquidchromatographymassspectrometry,Jou-rnalofPinealResearch,18(1):28-31Garcia-ParrillaM.C.,CantosE.,andTroncosoA.M.,2009,Anal-ysisofmelatonininfoods,JournalofFoodCompositionandAnalysis,22(3):177-183HattoriA.,MigitakaH.,IigoM.,ItohM.,YamamotoK.,Ohtani-KanekoR.,HaraM.,SuzukiT.,andReiterR.J.,1995,Iden-tificationofmelatonininplantsanditseffectsonplasmamelatoninlevelsandbindingtomelatoninreceptorsinver-tebrates,BiochemistryandMolecularBiologyInternational,35(3):627-634Hernández-RuizJ.,andArnaoM.B.,2008,Distributionofmela-toninindifferentzonesoflupinandbarleyplantsatdifferentagesinthepresenceandabsenceoflight,JournalofAgri-culturalandFoodChemistry,56(22):10567-10573IritiM.,2008,Melatoniningrape,notjustamyth,maybeapanacea,