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《Journal of Ningxia University(Natural Science Edition)》 2009-04
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Analysis of Molecular Phylogeny of Species of Libellulidae in China(Odonata:Anisoptera) Based on COII Complete Gene

Zha Lingsheng1,Zhang Dazhi2,Zheng Zhemin3(1.School of Life Science,Huaibei Coal Industry Teachers College,Huaibei 235000,China;2.School of Life Science,Ningxia University,Yinchuan 750021,China;3.Institute of Zoology,Shaanxi Normal University,Xi'an 710062,China)  
Non-special primers were designed to the COII gene of Odonata.COII complete genes of 21 species which deal with 5 subfamilies,15 genera of Libellulidae had been sequenced and analyzed.Phylogeny were analyzed using Clustal X(1.8),MEGA 2.1,Phylip 3.6 and MrBayes 3.0 softwares,respectively,the results show that ①A+T contents of COII gene of Libellulidae are very lower(69%) in insecta,which proves Odonata is an original group;②every sequence includes two Cys,which differs from other groups of insecta;③the most species of every genus gather together,Sympetrum uniforme is close to Crocothemis servilia and away from genus Sympetrum,genus Trithemis is close to genus Sympetrum,Palpopleurinae is close to Sympetrinae;④Trameinae presents a slow evolution speed while slightly quick of Libellulinae.
【Fund】: 国家自然科学基金资助项目(30970245)
【CateGory Index】: Q969.22
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