26151.江西省淡水蟹類多樣性及其基于16srdna初步探討三種華溪蟹的遺傳變異

1、南昌大學碩士學位論文江西省淡水蟹類多樣性及其基于16SrDNA初步探討三種華溪蟹的遺傳變異姓名：石林波申請學位級別：碩士專業(yè)：病原生物學指導教師：周憲民20100601Abstract—————————————————————————————————————————————一一一ABSTRACTObjectiveToinvestigatebiodiversityandzoogeographyoffreshwatercrabsinJian

2、gxi，morethan600freshwatercrabsspecimensfromJiangxiProvincewhichhavebeencollectedinlast10yearswillbeidentifiedInordertoinitiallyexplorethegeneticstructureofSinopotamoninJiangxiProvinceanditsgeographicaldistributionpattemo

3、ftheformationmechanism，using16SrDNAgenepartialsequencetoanalysisgeneticdifferentiationamongthreespeciesofSinopotamonMethodsClassificationandidentificationoffreshwatercrabsisbasedonthemorphologyoftheholotypespecimensAferd

4、eterminationof35samplesof16SrDNAgenepartialsequenceforsjianglenses，Sxiusuiense，Sfukielle／／6“e。wecalculategeneticdiversityanddifferentiationparametersusingDnaSp40softwareandconstructedsubsystemdevelopmenttreewithMEGA40Res

5、ultsTheresultshowsthereare35speciesorsubspeciesfreshwatercrabsinJiangxiProvinceItbelongsto2families，4genera，including21specieswhichareendemictotheprovinceBasedonzoogeographicdiscussionthathasbeendonebyDaiAiyunandthegeogr

6、aphiccharacteriticsofJiangxi，thesefreshwatercrabsaredividedintofourzoogeographicalpartsTheresultsindicatedthatthecompositionandnumberoffreshwatercrabsisdifferentamongthesefourgeographicalpartsrelativelyAndgeographicalpar

7、thasitsownendemicspeciesMeanwhile，themolecularbiologyresultshowsahighdegreeofdifferentiationamongSjianglenses，Sxiusuiense，SfukienenseThereisnogeneflowamongthemPhylogeneticreconstructionshowstheformationofthreeindependent

8、branchesoftherespectivepopulations，itisconsistentwiththeirdifferenceoftheirshapConclusion：ThereasonsofthehighdiversityoffreshwatercrabsinJiangxiProvinceanditshighlydifferentiaionmaybetheinteractionofvariousfactors，eggeog