| 山鹧鸪属鸟类线粒体基因组的比较及系统发育研究 |
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| 引用本文： | 李雪娟,黄原,雷富民. 山鹧鸪属鸟类线粒体基因组的比较及系统发育研究[J]. 遗传, 2014, 36(9): 912-920. DOI: 10.3724/SP.J.1005.2014.0912 |
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| 作者姓名： | 李雪娟 黄原 雷富民 |
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| 作者单位： | 1. 陕西师范大学生命科学学院,西安 710062; 2. 中国科学院动物研究所动物进化与系统学院重点实验室,北京 100101 |
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| 基金项目： | 国家杰出青年科学基金，中国科学院动物进化与系统学重点实验室开放课题 |
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| 摘 要： | 海南山鹧鸪(Arborophila ardens)对生境选择比较严格,种群数量稀少,属于濒危物种。为进一步研究山鹧鸪属的进化和系统发育关系,文章利用Illumina Hiseq2000高通量测序技术获得了海南山鹧鸪线粒体全基因组序列,从比较基因组学角度分析了4种山鹧鸪鸟类的线粒体基因组特征,并探讨了山鹧鸪属鸟类的系统发育地位。研究结果表明：(1) 海南山鹧鸪线粒体基因组长度为16 730 bp,编码13个蛋白质编码基因、2个核糖体RNA基因、22个转运RNA基因以及1个控制区;(2) 山鹧鸪属物种受到了纯化选择的作用,且在进化过程中积累了更多的非同义替换;(3) 山鹧鸪属位于雉科鸟类系统树的基部位置,其中白眉山鹧鸪与红喉山鹧鸪互为姐妹群,海南山鹧鸪位于山鹧鸪属的基部位置,与其他3种山鹧鸪鸟类的亲缘关系较远。
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| 关 键 词： | 海南山鹧鸪 线粒体基因组 比较基因组学 系统发育 |
| 收稿时间： | 2014-03-14 |
Comparative and phylogenomic analyses on mitochondrial genomes of Arborophila species |
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| Xuejuan Li,Yuan Huang,Fumin Lei. Comparative and phylogenomic analyses on mitochondrial genomes of Arborophila species[J]. Hereditas, 2014, 36(9): 912-920. DOI: 10.3724/SP.J.1005.2014.0912 |
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| Authors: | Xuejuan Li Yuan Huang Fumin Lei |
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| Affiliation: | 1. School of Life Sciences, Shaanxi Normal University, Xi’an 710062, China; 2. Key Laboratory of Zoological Systematics and Evolution, Institute of Zoology, Chinese Academy of Sciences, Beijing 100101, China |
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| Abstract: | Arborophila ardens, an endangered species, has a strict habitat preference and sparse population. In order to further study evolution and phylogenetic relationship of Arborophila, the mitochondrial genome (mitogenome) of A. ardens was obtained by Illumina Hiseq2000 high-throughput sequencing. The comparative genomic analyses were made among four Arborophila species, and phylogenetic relationship of Arborophila was discussed. The results revealed that: (1) the complete mitogenome of A. ardens is 16 730 bp in length, including 13 protein-coding genes (PCGs), two ribosomal RNA genes (rRNAs), 22 transfer RNA genes (tRNAs) and a control region (CR); (2) Arborophila species were affected by purifying selection, and more nonsynonymous substitutions were accumulated in the process of evolution; (3) Arborophila was at the basal position of Phasianidae within the phylogenetic tree, and A. gingica was placed as sister to A. rufogularis, while A. ardens formed the basal position of Arborophila, which indicated a distant genetic relationship with other three species. |
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| Keywords: | Arborophila ardens mitochondrial genome comparative genomics phylogeny |
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