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三个三倍体鲫鱼品系及野鲫mtDNA的比较研究
Authors
张辉,董新红,叶玉珍,吴清江
Publication date
1 January 1998
Publisher
Abstract
用16种限制性内切酶研究了银鲫(3N=156~162)、彭泽鲫(3N=162)和缩骨鲫(3N=150)3个三倍体鲫鱼品系及野鲫(2N=100)的线粒体DNA。有6种酶在种系间和种系内产生限制性片段长度多态性(RFLPs),银鲫共存在4种单倍型,彭泽鲫2种,野鲫3种,缩骨鲫1种。彭泽鲫和银鲫拥有相同的常见单倍型,缩骨鲫的单倍型属于野鲫的常见型。根据限制性位点的变异数据,计算了单倍型间的相似性、核苷酸多样性、品系内核苷酸多样性和品系间的遗传距离,确定彭泽鲫属于银鲫的一个地方品系,缩骨鲫属于野鲫的一个地方品系
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Institute of Hydrobiology, Chinese Academy Of Sciences
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oai:ir.ihb.ac.cn:152342/4246
Last time updated on 15/03/2018