中國部分家養(yǎng)山羊mtDNA D環(huán)區(qū)遺傳多樣性與進化.pdf

1、西北農(nóng)林科技大學(xué)碩士學(xué)位論文中國部分家養(yǎng)山羊mtDNAD環(huán)區(qū)遺傳多樣性與進化姓名：郝榮超申請學(xué)位級別：碩士專業(yè)：動物遺傳育種與繁殖指導(dǎo)教師：昝林森20080501GENETICDIVERSITYANDORIGINOFMITOCHONDIUALDNADLOOPREGIoNFORDOMESTICGOATBREEDSOFCHINAABSTRACTBreedresourceisthebaSisofsustainabledeVeloprnentf

2、or趾imalproductionindusnyPresently，thestatusofherbiVorouS鋤imalisbecomingmoreimport鋤tmanbeforeChinaisthecoun仃y，w11ichhaStllemostgoatsa11dt11emostgoatbreedsBut、vehaVelittleknowledgeoftheorigin，mi伊ation，evolution鋤dbreedsgene

3、ticstatusofCllineseindigenousgoatbreedsOntlleotherh甜ld，thegoatbreedsareenda咀geredbecauseoft11eintroductionofexoticcommerCialgoatbreedsaIldtlleiIlfluenceofeconomiesinterestsTheresearchofliVestockgeneticdiVersityhelpstomec

4、onservation肌dutilizationofbreedsresourceThesequenceofmt【NAisoIleofthemostcommon跚1d旬rust、Ⅳorthmolecularmarkersmthestudyonammalmolecularevolution鋤dgeneticdiVersityInthisstudy，140mtDNAD—loopsequencesinl0Cllinesedomesticgoat

5、breedswereaIlalized，a11dt、)l，osequences(Capra僦coneriaIldCapm∞gagms)ofwildgoatWeredo啪loaded舶mNCBI，wegettheresultsasfollows：1There、vere84differenthaplotypesandl71polymo印11icsitesThemeaJlnucleotidediversity(兀)w邪002063士00022

6、5，theh印lotypediVersi夠(Hd)waS0988士O003，鋤dtheaVeragem衄berofnucleotidedi舵renceswas24896111eseresultsshowedanabulldantgeneticdiverSityiIldomeSticgoatbreedsofChina277kindsV撕ousVarietiesu11iquesingletimeaIld7kindssingletime、)~

7、dlichshareforⅡ：愴Variet)，inthe84kindsofll￡Lplot)，pes1kre、Ⅳere似ocladesof84haplot)，pes：cladeAandBAcladeincluded62haplot)，pes，、^dlicheXistedina11goatbreeds，aIldcladeB，Ⅵ恤chincluded22haplotype，existedinallV撕etiesexceptDaiylmgo

8、at，thou曲fkquencyw嬲low3T匈i塒【a7sDteStofselectiVeneutralityina11sequences、Ⅳ璐notsignific孤1t(pO01)，mnged自om131219to171696Itrevealedtl斌allsequencesofdomesticgoatwereselectiVeneutralit)，arldthegoatpopulationdidnotundergoexpaIls

9、ion4GeIleticdiStaJlceaIIlong10domesticgoatbreedsw硒f而m0010to0026，ofwllich，it、Ⅳ鵲smallestbe帆eenCh啪dongwhiteaIldDaiyUlIlgoat，w11ich、忱sOO1OAnditwausbiggestbet、№enGulin鋤dLonglingaot，whichw嬲0026Of1Obreeds，geneticdist鋤ce謝thineac