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1、石河子大學(xué)碩士學(xué)位論文梅山與杜洛克母豬發(fā)情前期卵巢組織差異表達(dá)基因的分離研究姓名:孫敬禮申請(qǐng)學(xué)位級(jí)別:碩士專業(yè):動(dòng)物遺傳育種與繁殖指導(dǎo)教師:黃濤201106IIAbstractThefecundityofpigisamainfactofpcineproductionefficiencylittersizeofpigisoneofthemainbreedingobjectives.Sinceovulationreproductivetra

2、itsofpigiscontrolledbymultiplegenestheheritabilityofquantitytraitsisverylow(h2≤0.15)itisdifficulttoobtaintofurtherimprovementbyusingconventionalbreedingtechniques.Comparedwithconventionalbreedingtechniquesmolecularbiolog

3、ytechnologyshowsincomparableadvantagesinbreedingionbutduetoinsufficientknowledgeofmolecularmechanismofpcinereproductivetraitsovμlationcurrentlytheapplicationofmolecularbiotechniquesinbreedingionisrestricted.DDRTPCRwasper

4、fmedtodetectgenesdifferentiallyexpressedbetweentheovariesofMeishanDurocsowsffurtherstudyonthemolecμlarmechanismofovμlationregμlatywk.Themainresultsareasfollows:ThreeMeishanthreeDurocsowswithnmalestruscyclesreproductivepe

5、rfmancewereed.TheovariantissueswerecollectedatProestrusstagethentotalRNAofsampleswereisolatedtwoRNApoolsweremadeup.DDRTPCRreactionswereperfmedbyusing90primerscombinationsof9anchedprimerscoupledwith10arbitraryprimers.Thir

6、teendifferentiallyexpressedExpressedSequenceTags(ESTs)wereobtainedsequenced.SequencealignmentswereperfmedusingBLASTofNCBIonline.FiveofthirteenESTrepresentedknowngenes.TheyweredesignatedasEST511(216bp)EST141(495bp)EST142(

7、104bp)EST64(202bp)EST33(244bp).EST511showedhighhomology(98%)withGlutamatecysteineligase.EST141washomologoushighlywithpigADPribosylationfact3(ARF3)gene(93%)EST142showedhighhomology(97%)withpigBCL2adenovirusE1B19kDainterac

8、tingprotein3like(BNIP3L)EST64washighlyhomologous(99%)withpigsuperoxidedismutasegotein(SuperoxideDismutaseSOD)EST33showedextremlyhighhomology(100%)withpigBMPactivinmembraneboundinhibit.OtherESTshadnosignificantsimilarityf

9、oundsimilarityinGenBank.BysemiquantitativeRTPCRmethodsweverifiedthedifferentexpressionsoftheESTsbetweenovariantissuesof2breedsanalyzedtheexpressionprofilesoftheESTsinheartliverlungkidneymusclefat(subcutaneousfatlittleleg

10、sthesamebelow)smallintestinebrainovaryuterusspleenfallopiantubesothertissuesoftheMeishanpigs.TheresultsshowedthatallESTsexpressedinovary.EST511wasexpressedatalowlevelinkidneysmallintestinewashardlydetectedintheheartliver

11、lungbrainwasexpressedinalmostalltheothertissues.EST141wasmoderatelyexpressedinkidneywaslowlyexpressedinfallopiantubesuterusspleenwashardlydetectedinbrainEST141wasmoderatelyexpressedinkidneymusclefatbrainspleenuterusfallo

12、piantubeswasexpressedatalowlevelinheartliverwashardlydetectedinlungsmallintestine.EST64washighlyexpressedinkidneyuterusbrainspleenshowedalowerexpressioninmusulefatwashardlydetectedinheartliverlungsmallintestine.EST33wase

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