1、東北林業(yè)大學(xué)碩士學(xué)位論文雀形目38種鳥類分子系統(tǒng)發(fā)育關(guān)系的初步研究姓名：國會艷申請學(xué)位級別：碩士專業(yè)：特種經(jīng)濟動物飼養(yǎng)指導(dǎo)教師：馬玉堃20060601AbstlactPassemo徹escompfisesmorcthanhalfofalllivingb砷spcciesTheori百n卸devolutionofPasscrif0皿eshavebeenfocusedonforalongtinleFomermolecularphylogcne

2、ticstudiesmailllydependonInitochond血lDNAnougllbettere虢ctsachieved，asacytoplasmicgenomettleapplicationofmitOchondrialDNAislimitedSOthecombinatiOnofnucle缸DNA如dmitochondrialDNAhastakenamajorroleinbirdphylogeneticstudyInthis

3、paper，weconductedthecomparativestudyoftherelatioIlshjpamong38passerinesbasedonmitochondrialc”ochromebgenes(cytb)andnuclearadenylatel【inaseintmn5(AK5)sequenccs111eresultssh0Wtllat也cdiv盯genceb咖eenF血畫uidsandEmberizidsreachs

4、afamiⅡallevelandtheyshouldbelistedintofamilyFrin百uidaeandEmberizidae，rcspectiVely；thedivergencebet、veenfobinsaIldnycatcbersdoesn’treachaf鋤iliallevelandtheyshouldbesu協(xié)edtofamilyMuscicapidae；lon分tailcdparidsandsylviidsshou

5、ldaUbelistedint0families；Sittidae，Ac豇halidae，Paridaeandcro州itshaVecloserelationsllipswithsylviidae；intheSylviidae，anhou曲1allccolatedwarblersandscaly_headedstubtailshavearelatiVelyfarrclationship，theyshouldbesubjecttoones

6、ubfamilyAcrocephalinaeaIldwarblerstoPhylloscopiIlae；Frin西llidae，Enlberidae，MuscicapidaeandParidaeaIeallmoⅡophylies，butsylviidaeisn’tmou曲thecomparatiVestudy，wecollfimtheemctiVenessofCytbgeneinresoIvinginte印ecificrcIations

7、h帆AndA硒workswelIi11resolVingcIosereIationships，butpoorlyinfarrelationshipsamongintrageneric掣oupsThesubstitutionratesofmajordadesaIethoughttobethesameaccord誼gtelativeratetestsDivergencctimeofmajordadesisestima伽attherateof

8、16％permillionyearsnustheestimateddiVer伊ncetimebetweeⅡFIiIl舀mdaeaIldEmberizidacis105mmionyears，robinsaIldnycatchers90MyrAcrocephalinaeandPhyUoscoptmae90Myr，commonrcdpollandcommonrosefinch75Myr，twooutgroups135MyrKeywords：P