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海洋通报  2011 

基于线粒体COI序列分析对紫贻贝群体遗传多样性的研究分析

DOI: 10.11840/j.issn.1001-6392.2011.4.013, PP. 435-440

Keywords: 紫贻贝,线粒体COI基因,遗传多样性

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Abstract:

本文采用线粒体COI基因序列分析对我国沿海6个紫贻贝群体124个个体的遗传多样性和群体结构进行了初步研究。在紫贻贝6个群体中共发现13个单倍型和33个核苷酸多态位点。青岛群体单倍型数目是最多的,温州群体、丹东群体和宁德群体次之。6个紫贻贝群体的基因多样性为0.569~0.821,核苷酸多样性为0.0155~0.0510,表现出较低的遗传多样性。紫贻贝不同群体之间的遗传分化较小,所有群体之间没有发生显著的遗传分化。分子方差分析表明,紫贻贝的变异主要存在于群体内。该研究为紫贻贝的可持续开发和资源保护提供了

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