擬南芥鋅指蛋白AtZFP6調(diào)控抗逆及互作蛋白的研究.pdf_第1頁
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1、UniversityCode:10225RegisterCode:S15703DissertationfortheDegreeofMasterTheCharacterizationofZincFingerProteinAtZFP6FromArabidopsisthalianaRegulateStressandIneractProteinCandidate:Supervisor:AssociateSupervisor:AcademicDe

2、greeAppliedfor:Speciality:DateofOralExamination:University:ShengnanLiuProfYuchengWangMasterForestTreeGeneticesandBreedingJune,2015NortheastForestryUniversityAbstractAbstractAtZFP6(AT5G186501),isaC3HC4typezincfmgerprotein

3、whichcontainsmultiplefmgerlikeprotrusions,andisalsoaE3一typeubiquitinligaseThelengthofthegeneis804bp,encoding268aminoacidsThestudyhadmainlycarriedontheproteinsinteracted謝tIlAtZFP6protein,thetolerantabilityofAtZFP6tostress

4、,andtheregulationofAtZFP6tofloraldevelopmentFirstofall,webuiltAtZFP6genetoplantexpressionvectorpROKII;Afterwegottheplantoverexpressionvector35S:AtZFP6,wetransformedflowersofwildtypeArabidopsisthaliana謝tllAgrobacterium,wh

5、ichisthoughAgrobacteriummediatedfloraldipmethodplasmidintowildtypeArabidopsisplantsWiththeselectionmethod,wegottheT3generationhomozygousoverexpressionlines,OElandOE2Atthesametime,weusedthemethodofthreeprimerstoselectofho

6、mozygousmutantlinesSALKl(CS24967)andSALK2(CS82893)InordertostudywhetherAtZFP6associated誦tllstress,weusedOEl,OE2,SALKl,SALK2,35S(arabidopsistransformedwithemptypROKII,contr01)andWT(wildtype)seedswererespectivelydonewithdi

7、fferentconcentrationgradientJA,SA,ABAandNaClsolutions,afterthatwecalculatedthegerminationrates,rootlengthandfreshweight,thenanalyedtolerantabilityofAtZFP6respondedtothedifferentstress;Theexperimentalresultsshowedthattheg

8、erminationrates,rootlengthandfleshweightoftheselineshadnosignificantdifferencesunderJA,SA,ABAandNaClstressedWhileindicatedthat爿f卿6geneinarabidopsisstressprocessdidn’tworkata11ThenweobservedthewholelifecycleofOEl,OE2,SALK

9、l,SALK2,35sandWTlines,andanalyzedtheinfluenceofAtZFP6onplantgrowthanddevelopment;PhenotypicobservationresultsindicatedthattheAtZFP6couldobservablelydelaytheflorescenceinArabidopsisthalianaYeastdoublehybridizationtechniqu

10、ewasusedtostudytheproteinsinteractedwithAtZFP6protein;wetransformedAtZFP6intothepGBKT7vector,asBaitcarrierAtthesametimewesettranscriptionfactorsfromdifferentfamilyintopGADT7Rec,formedthePreylibraryThenwetransformedBaitca

11、rrierandPreylibraryintoY2HandY187yeastcompetentcellsrespectively,andweselectedthepositivetransformedyeaststoYeastTwoHybirdTherewereatotalof13,theseproteinsinteractedwithAtZFP6includingAT3G176092,AT3G568501andAT4G345901fr

12、ombZIPfamily,AT4G111401,AT3G604901andAT4G174901fromERFfamily,AT5G624702andAT4G051001fromMYBfamily,ATlG691201andATlG221301fromMADS—boxfamily,AT5G071001fromWRKYfamily,AT5G436501frombHLHfamilyandAT4G210801fromDoffamilyTostu

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