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学科主题: Multidisciplinary Sciences
题名: The complete mitochondrial DNA sequence and the phylogenetic position of Achalinus meiguensis (Reptilia: Squamata)
作者: Wang GuangLi1; He ShunPing2; Huang Song3; He Miao1; Zhao ErMi1, 4
通讯作者: Zhao, EM, Sichuan Univ, Coll Life Sci, Chengdu 610064, Peoples R China
关键词: Achalinus meiguensis ; complete mitochondrial DNA sequence ; phylogenetic position ; divergence time
刊名: CHINESE SCIENCE BULLETIN
发表日期: 2009-05-01
DOI: 10.1007/s11434-009-0160-0
卷: 54, 期:10, 页:1713-1724
收录类别: SCI
文章类型: Article
部门归属: [Wang GuangLi; He Miao; Zhao ErMi] Sichuan Univ, Coll Life Sci, Chengdu 610064, Peoples R China; [He ShunPing] Chinese Acad Sci, Inst Hydrobiol, Wuhan 430072, Peoples R China; [Huang Song] Coll Huangshan, Huangshan 245041, Peoples R China; [Zhao ErMi] Chinese Acad Sci, Chengdu Inst Biol, Chengdu 610041, Peoples R China
WOS标题词: Science & Technology
类目[WOS]: Multidisciplinary Sciences
研究领域[WOS]: Science & Technology - Other Topics
摘要: The mitochondrial genome complete sequence of Achalinus meiguensis was reported for the first time in the present study. The complete mitochondrial genome of A. meiguensis is 17239 bp in length and contains 13 protein-coding genes, 22 tRNA, 2 rRNA, and 2 non-coding regions (Control regions). On the basis of comparison with the other complete mitochondrial sequences reported, we explored the characteristic of structure and evolution. For example, duplication control regions independently occurred in the evolutionary history of reptiles; the pseudo-tRNA of snakes occurred in the Caenophidia; snake is shorter than other vertebrates in the length of tRNA because of the truncations of T psi C arm (less than 5 bp) and "DHU" arm. The phylogenic analysis by MP and BI analysis showed that the phylogenetic position of A. meiguensis was placed in Caenophidia as a sister group to other advanced snakes with the exclusion of Acrochordus granulatus which was rooted in the Caenophidia. Therefore we suggested that the subfamily Xenodermatinae, which contains A. meiguensis, should be raised to a family rank or higher rank. At the same time, based on the phylogenic statistic test, the tree of Bayesian was used for estimating the divergence time. The results showed that the divergence time between Henophidia and Caenophidia was 109.50 Mya; 106.18 Mya for divergence between Acrochordus granulatus and the other snakes of the Caenophidia; the divergence time of A. meiguensis was 103 Mya, and Viperidae diverged from the unilateral of Elapidae and Colubridae was 96.06 Mya.
英文摘要: The mitochondrial genome complete sequence of Achalinus meiguensis was reported for the first time in the present study. The complete mitochondrial genome of A. meiguensis is 17239 bp in length and contains 13 protein-coding genes, 22 tRNA, 2 rRNA, and 2 non-coding regions (Control regions). On the basis of comparison with the other complete mitochondrial sequences reported, we explored the characteristic of structure and evolution. For example, duplication control regions independently occurred in the evolutionary history of reptiles; the pseudo-tRNA of snakes occurred in the Caenophidia; snake is shorter than other vertebrates in the length of tRNA because of the truncations of T psi C arm (less than 5 bp) and "DHU" arm. The phylogenic analysis by MP and BI analysis showed that the phylogenetic position of A. meiguensis was placed in Caenophidia as a sister group to other advanced snakes with the exclusion of Acrochordus granulatus which was rooted in the Caenophidia. Therefore we suggested that the subfamily Xenodermatinae, which contains A. meiguensis, should be raised to a family rank or higher rank. At the same time, based on the phylogenic statistic test, the tree of Bayesian was used for estimating the divergence time. The results showed that the divergence time between Henophidia and Caenophidia was 109.50 Mya; 106.18 Mya for divergence between Acrochordus granulatus and the other snakes of the Caenophidia; the divergence time of A. meiguensis was 103 Mya, and Viperidae diverged from the unilateral of Elapidae and Colubridae was 96.06 Mya.
关键词[WOS]: COMPLETE NUCLEOTIDE-SEQUENCE ; TRANSFER-RNA ; MOLECULAR EVOLUTION ; GENE REARRANGEMENTS ; DIVERGENCE TIMES ; GENOMIC FEATURES ; TREE SELECTION ; ABSOLUTE RATES ; CONTROL-REGION ; NUCLEAR GENES
语种: 英语
WOS记录号: WOS:000266078700012
ISSN号: 1001-6538
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.ihb.ac.cn/handle/152342/7758
Appears in Collections:中科院水生所知识产出(2009年前)_期刊论文

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作者单位: 1.Sichuan Univ, Coll Life Sci, Chengdu 610064, Peoples R China
2.Chinese Acad Sci, Inst Hydrobiol, Wuhan 430072, Peoples R China
3.Coll Huangshan, Huangshan 245041, Peoples R China
4.Chinese Acad Sci, Chengdu Inst Biol, Chengdu 610041, Peoples R China

Recommended Citation:
Wang GuangLi; He ShunPing; Huang Song; He Miao; Zhao ErMi.The complete mitochondrial DNA sequence and the phylogenetic position of Achalinus meiguensis (Reptilia: Squamata),CHINESE SCIENCE BULLETIN,2009,54(10):1713-1724
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