线粒体控制区在鱼类种内遗传分化中的意义

遗传 ›› 2006, Vol. 28 ›› Issue (3): 362-368.

线粒体控制区在鱼类种内遗传分化中的意义

谢振宇¹;杜继曾¹;陈学群¹;Yu-Xiang Wang²;Brent W Murray³

1.浙江大学生命科学学院生理与神经生物学教研室，杭州 310027； 2. Department of Biology, Queen’s University, Kingston, Ontario, K7L3N6,Canada；3. College of Science and Management, University of Northern British Columbia, Prince George, V2N 4Z9, Canada

收稿日期:2005-03-28 修回日期:2005-06-05 出版日期:2006-03-10 发布日期:2006-03-10
通讯作者: 杜继曾

The Significance of Mitochondria Control Region (D-Loop) in Intraspecific Genetic Differentiation of Fish

XIE Zhen-Yu¹，DU Ji-Zeng¹，CHEN Xue-Qun¹，Yu-Xiang Wang²，Brent W Murray³

1.Division of Physiology and Neurobiology, College of Life Science, Zhejiang University, Hangzhou 310027, China; 2. Department of Biology, Queen’s University, Kingston, Ontario, K7L3N6, Canada; 3.College of Science and Management, University of Northern British Columbia, Prince George, V2N 4Z9,Canada

Received:2005-03-28 Revised:2005-06-05 Online:2006-03-10 Published:2006-03-10
Contact: DU Ji-Zeng

摘要/Abstract

摘要：

线粒体DNA（mtDNA）作为分子标记已被广泛应用于各物种系统发生的研究。mtDNA控制区序列（D-Loop）以其较高的突变积累对于研究物种种内的遗传分化具有重要价值。鱼类是脊椎动物中最原始但在种属数量上又最占优势的类群，其物种繁多，分布广泛，起源复杂，研究其系统发生历来是令人饶有兴趣的课题。D-Loop在研究鱼类种内遗传分化中具有多方面的重要意义。近年来，已有越来越多的研究工作将D-Loop作为分子标记来探讨各种鱼类的种内遗传分化，并且获得了许多有启发性的结果。青海湖是我国内陆最大的咸水湖，湖中主要鱼类为青海湖裸鲤（Gymnocypris przewalskii），D-Loop分析初步结果显示青海湖及其周围河流中的裸鲤似乎没有新的种内遗传分化现象。

关键词: 线粒体DNA, 控制区序列, 青海湖裸鲤（Gymnocypris przewalskii）, 种内遗传分化, 鱼类

Abstract:

mtDNA has been widely used as a molecular marker to investigate the phylogenesis of many species. D-Loop has important value for investigating intraspecific genetic differentiation because of its high mutation accumulation. Fish is the most primitive vertebrate, but by far is the most dominant in number. The distribution of fish is broad and its origin is very complicated, has always been a very interesting subject for investigation. D-Loop has many important implications for investigating the intraspecific genetic differentiation of fish. Recently, much insight has been gained by the increasing use of D-Loop as a molecular marker for investigating the intraspecific genetic differentiation of fish. Lake Qinghai is the biggest inland saline lake in China. The main fish in the lake is scaleless carp (Gymnocypris przewalskii). Initial analysis of its D-Loop showed no intraspecific genetic differentiation among the populations in the lake and the rivers around.

中图分类号:

Q959.46＋8

谢振宇，杜继曾，陈学群，Yu-Xiang Wang，Brent W Murray. 线粒体控制区在鱼类种内遗传分化中的意义[J]. 遗传, 2006, 28(3): 362-368.

XIE Zhen-Yu, DU Ji-Zeng, CHEN Xue-Qun, Yu-Xiang Wang, Brent W Murray. The Significance of Mitochondria Control Region (D-Loop) in Intraspecific Genetic Differentiation of Fish [J]. HEREDITAS, 2006, 28(3): 362-368.

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