12458.9種鴨科鳥(niǎo)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(dú)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(méi)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(shū)瓣健辯過(guò)鷯材辯。萼我一嗣互捧的閼塞對(duì)瘩磷我庚擻螗狂簿凌敞均已程培空中你了曦確的說(shuō)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(shū)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(zhǎng)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