3个水域黄鳍鲷线粒体DNA D-loop基因序列多态性研究

被引：15

作者：

刘红艳

江世贵

苏天凤

龚世园

机构：

[1] 中国水产科学研究院南海水产研究所

[2] 华中农业大学水产学院广东广州华中农业大学水产学院

[3] 湖北武汉

[4] 广东广州

[5] 湖北武汉

来源：

水产学报 | 2004年 / 04期

关键词：

黄鳍鲷; 线粒体DNA; D-loop; 多态性;

D O I：

暂无

中图分类号：

S917 [水产生物学];

学科分类号：

摘要：

利用PCR技术扩增海南海口市、福建厦门市和广东珠海市3个地理群体海捕黄鳍鲷线粒体D-loop基因片段,测定了该基因片段580bp序列。结果发现,3个地理群体内和群体间都存在丰富的DNA序列多态性,共检测到33个多态性核苷酸位点(5.7％),24个个体具有22种单倍型(haplotype)。UPGMA法构建的分子系统树中,海南群体内所有的单倍型聚成一支,福建与广东的单倍型混杂在一起,聚成一支。从序列差异的分析中得出,海南群体与福建和广东群体的亲缘关系较远;福建群体和广东群体亲缘关系较近。

引用

页码：371 / 374

页数：4

共 10 条

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