| 两种锦鸡和环颈雉线粒体DNA(mtDNA)的比较研究 |
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| 引用本文： | 张亚平,陈欣.两种锦鸡和环颈雉线粒体DNA(mtDNA)的比较研究[J].动物学研究,1991,12(4):387-392. |
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| 作者姓名： | 张亚平 陈欣 |
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| 作者单位： | 中国科学院昆明动物研究所，细胞与分子进化开放研究实验室，中国科学院昆明动物研究所，细胞与分子进化开放研究实验室，中国科学院昆明动物研究所，细胞与分子进化开放研究实验室 |
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| 摘 要： | 本文以10种限制性内切酶分析雉科中环颈雉，红腹锦鸡和白腹锦鸡线粒体DNA（mtDNA）。雉属与锦鸡属之间的遗传距离P为0.076（0.067-0.085），红腹锦鸡与白腹锦鸡的P为0.012。推算雉属和锦鸡属的分化大约发生在3.8×106]年以前，红腹锦鸡与白腹锦鸡的分化大约在6×105]年以前。这些结果表明：1.在雉科系统发生中，雉属与锦鸡属是近缘的属；2.红腹锦鸡和白腹锦鸡的分化较晚，关系密切，可能只是两个亚种。
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| 关 键 词： | 雉鸡 锦鸡 环颈雉 线粒体 mtDNA |
POLYMORPHISM IN THE mtDNA OF THREE SPECIES OF PHEASANTS |
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| Zhang Yaping Chen Xing Shi Liming.POLYMORPHISM IN THE mtDNA OF THREE SPECIES OF PHEASANTS[J].Zoological Research,1991,12(4):387-392. |
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| Authors: | Zhang Yaping Chen Xing Shi Liming |
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| Abstract: | Mitochondrial DNA (mtDNA) polymorphisms in three species of pheasants, i. e., common pheasant (Phasianus colchicus), golden pheasant (Chrysolopus pictus) , and Chinese pheasant (C. amherstiae) , were analyzed to study phylogenetic relationships, when 10 restriction enzymes of 6-bp recognition were used, 20-29 sites were observed in the samples. The estimated number of nucleotide substitutions per site ( p ) between genera Phasianus and Chrysolopus is 0.076 (rangs from 0.067-0.085), and between golden and Chinese pheasants is 0.012. Divergence times between the two genera, and between the two species of genus Chrysolopus were estimated to be 3.8x106 and 6 X 105 years on the mean rate of sequences divergence of 0.02 per million years in mtDNA, respectively. These findings suggest: 1. Phasianus and Chrysolopus are two closely related genera in the phylogeny of pheasants. 2. There is possible that golden and Chinese pheasants are two subspecies, not two species. |
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| Keywords: | Phasianus Chrysolopus Mitochondrial DNA Restriction map Molecular phylogenetic tree |
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