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ID:33937791
大小:6.29 MB
页数:79页
时间:2019-03-01
《转猪kiss1基因和fshr基因小鼠制备及繁殖性能评估》由会员上传分享,免费在线阅读,更多相关内容在学术论文-天天文库。
1、转基因生物新品种培育重大专项课题(2013ZX08010.006)、国家肉羊产业技术体系专项(CARS一39)、中国农业科学院科技创新工程(ASTIP.IASl3)资助SupportedbyGeneticallyModifiedOrganismsBreedingMajorProjectsofChina(No.2013ZX08010—006),byTheEarmarkedFundforChinaAgricultureResearchSystem(No.CARS-39),byTheAgriculturalScienceandTechnologyInnov
2、ationProgramofChina(No.ASTIP-IAS13)转猪Kissl基因和FSHR基因小鼠制备及繁殖性能评估嚣蚤黧型/ll/I/I///IN塑I/IH/llm塑m///HH/ll//H/ll/导师:李碧春教授,一~..。...中文摘要II体经过Southernblot鉴定获得4.22%(3/71)的阳性率。43只转pFSHR基因G0代小鼠,通过PCR法检测后获得9个阳性个体,转基因阳性率为20.93%(7/43),随后将PCR阳性个体进行Southernblot验证,最终获得6.97%0/43)的阳性率。3.利用GenomeWalki
3、ng对获得3个转基因阳性小鼠进行Kissl基因定位分析发现,其中一个个体有两个插入位点。采用同样的方法对3个转pFSHR基因小鼠定位时发现,每个个体都只有一个插入位点。4.将GO代阳性个体与阴性母鼠交配获得Fl代小鼠,经过PCR水平的检测,最终确定阳性率为43.05%(65/lSl)。转pKissl基因的小鼠在Fl代表现出产仔数增多的趋势。同期转pFSHR基因F1代阳性个体与阴性种公鼠交配获得F2代小鼠,经过PCR水平检测,最后获得29.33%(22/75)的阳性率。转pFSHR基因小鼠具有产仔数多且后代成活率高的趋势。关键词:pKissl基因;pF
4、SHR基因;转基因小鼠;繁殖;卵泡发育;下丘脑.垂体.性腺轴IIlConstructionoftransgenicmiceharboringporcineKisslandFSHRgeneandevaluationreproductiveperformanceM.S.Candidate:ZhiminYangSupervisor:ProfessorBichunLiProfessorMingxingChuMajor:AnimalGenetics,BreedingandReproduction(CollegeofAnimalScienceandTechnol
5、ogy,YangzhouUniversity,Yangzhou225009)AbstractKisslandFSHRgenesplayasignificantroleinlittersize,reproductivephysiologyinthefieldoflivestock.Kisspeptinfunctionappearstobecriticalforgonadotropin-relcasinghormone(GonadotropinReleasingHormone,GnRH)secretion,andplaystheroleofthecent
6、ralnodeinthegonadalaxissystem,CandirectlyactonGnRI-IneBrolls,stimulatingtheGnRHsecretion,positivelyregulatingofLHandFSHsecretionduringtheestrouscycle.Infemalemammals,FSHplaysmainroleinmaintainingthereproductivefunctionandnormalgonadaldevelopmentandpromotingthegrowthofovarianfol
7、liculargranulosacellproliferationandestrogensynthesisandsecretion,moreoverstimulationoffoUieularcellsLHreceptors.Itplaysanimportantroleinregulatingfolliculargrowthandmaturation,directlyhaveeffectsonthequantityandqualityoffolliculardevelopment.FSHRisanindispensablefactorinFSHphy
8、siologicalfunction.Theobjectiveofthisstudywastoinvesti
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