12458.9種鴨科鳥類的線粒體基因組序列分析與雁形目系統(tǒng)發(fā)生研究

1、摘要獨創(chuàng)性聲明奉A(yù)聲嘲膀煞蹙熊掌鏈曉交餐車是攫垮霹攆譬下述行豹前I兜簟稼瑟駐褥韻磺究2盞鬻。器我銜耋罄熊了空中褥捌船氍豁譴和數(shù)罐的撬療靜論空tp幣饋禽箕鏈人已經(jīng)發(fā)喪或攮篤沒蛉研究戚聚。鴦不包窘舞獲獬安簟犬擘或并楚教爵榷梅盼霧使毆證書瓣健辯過鷯材辯。萼我一嗣互捧的閼塞對瘩磷我庚擻螗狂簿凌敞均已程培空中你了曦確的說瞬井襲冪射囊。燃礎(chǔ)攤‰尹恒簽譬慨舟坤霉參月f日一∥’丁。學(xué)位論文版權(quán)使用授權(quán)書f輟囂瞬擘靛設(shè)躉菘鬻密艋媛掰|；I：_援扳；!13

2、，擘位澉攆囂嫠慧：手黎恒戳“馨袈；焉長僻t餐寧f：i鬟；加Iv√6月F只簍孕一擱：嗲。J牛年占片L瞄Abs∞ct關(guān)鍵詞：雁形目：線粒體基因組；系統(tǒng)發(fā)生；Thesequencingandanalysisofthecompletemitochondrialgenomesof9aviansinAnatidaespeciesandphylogeneticstudyofAnserifolrmesAbstraetAmongavianorders，t

3、heAnseriformesareamorphologicallyandbiologicallyvariousgroupcontaining150speciesdistributedworldwideMostofaviansamongtheAnseriformeshaveseasonalmigrationhabitsInChina，thereare45speciesMainlydistributedinriversideandcoast

4、alwetlandareasandMergussquamatusisendemicspeciesinChinaInrecentyears，duetoglobalwarmingandthedestructionofthewetlandenvironmentwildgooseduckpopulationdecreasegraduallyinourcountrynarrowdistributionThephylogenyofAnserifor

5、mesobtainedbythesedifferentapproachesdiffermostlyon：firsttherelativepositionofeachfamily；second，thephylogenyinsideeachofthesesubfamilies，especiallythecompositionandphylogeneticrelationshipsoftribeswithinAnatidaeThemitoch

6、ondrialgenomehasCharacteristicsofsmallmolecularsize，simplestructrue，closelyrank，strictmatrilinearinheritance，fastsubstitutionrate，SOmitochondrialDNA(mtDNA)hasbeenconsideredasanimportanttoolforinferringphylogeneticrelatio

7、nshipsandPopulationevolutionWiththedevelopmentofmolecularbiotechnologythestudyofmitochondrialgenomebecomesthefocusinthemolecularsystematicsThecompletemitochondrialgenomesequenceofninespeciesofNorthernPintail(Ariasacuta)，

8、IndianSpotbilledDuck(Anaspoecilorhyncha)，EurasianTeal(Anascrecco)，Shoveler(Anasclypeata)，NorthernPochard(Ayfhyaferina)，TuftedDuck(Aythyafuligula)、CommonMerganser(Mergusmerganser)、CommonShelduck(Tadornatadorna)、MandarinDu