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当前位置: 首页 > 文章 > 浙江彩虹明樱蛤群体的形态和遗传多样性分析 上海海洋大学学报 2016,25 (4) 508-514
Position: Home > Articles > The analysis of genetic diversity and morphology of Moerella iridescens in Zhejiang Province Journal of Shanghai Ocean University 2016,25 (4) 508-514

浙江彩虹明樱蛤群体的形态和遗传多样性分析

作  者：
徐衡;胡永来;徐义平;金凯;陈鹏
单  位：
上海海洋大学水产与生命学院;乐清市水产科学研究所
关键词：
彩虹明樱蛤;群体;形态判别;SRAP;遗传多样性;乐清湾
摘  要：
采用形态判别分析和SRAP标记相结合的方法,对浙江沿海彩虹明樱蛤8个群体尤其是乐清湾群体的形态和遗传多样性进行了分析,结果表明:(1)乐清、温岭与台州的群体具有相似的形态结构,而与宁波、舟山群体则差异较大;可以利用形态特征对乐清湾与舟山、宁波湾彩虹明樱蛤群体进行初步鉴别;(2)与舟山、宁波相比,浙江乐清湾群体遗传多样性比较高;乐清湾群体聚为一支,表明它们之间具有更高的遗传相似性。形态和SRAP研究结果一致表明,各群体在形态和遗传相似性方面基本反映了各群体的地理关系,但乐清湾养殖群体与宁波群体更为相近,乐清湾彩虹明樱蛤养殖群体可能会对乐清湾野生群体造成种质混杂。
译  名：
The analysis of genetic diversity and morphology of Moerella iridescens in Zhejiang Province
作  者：
XU Heng;HU Yonglai;XU Yiping;JIN Kai;CHEN Peng;Yueqing Fisheries Science Institus;College of Aquaculture & Life Science,Shanghai Ocean University;
关键词：
Moerella iridescens;;population;;morphological discrimination;;SRAP;;genetic diversity;;Yueqing Bay
摘  要：
Morphological and SRAP markers were used to analyze the phylogenetic relationship and genetic diversity of eight populations of Moerella iridescens in Zhejiang Province,especially focusing on Yueqing bay.The populations in Yueqing,Wenling and Taizhou had the similar morphologies,but they had more difference with the populations in Ningbo and Zhoushan. The genetic diversity of population in Yueqing was higher than that in Zhoushan or Ningbo. All populations collected from Yueqing were clustered together,showing that they had smaller genetic distance and higher genetic similarity. The similarity in both morphological and SRAP data reflects the geographical relationship among the eight populations. It should be noted that aquaculture population of M. iridescens collected from Yueqing was more similar with that from Ningbo,not with those from Yueqing,reminding us to avoid possible germplasm hybrid of M. iridescens in Yueqing bay.

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