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7种鲟形目鱼类亲缘关系的随机扩增多态性DNA研究
Authors
吴清江
张四明
汪登强
邓怀
Publication date
1 January 1999
Publisher
Abstract
为阐明鲟形目鱼类的系统发育关系,采用随机扩增多态性DNA(RAPD)技术对中华鲟、达氏鲟、史氏鲟、意大利鲟、短吻鲟、长江白鲟和匙吻鲟的基因组进行了研究。13个引物在每个种共产生127个信息座位。按UPGMA聚类法构建这7种鲟形目鱼类的分子系统树。分子系统树首先分成两大支,即长江白鲟和匙吻鲟为一支,其他5种鲟科鱼类为对应的另一支。在5种鲟科鱼类中,我国3种鲟科鱼类中华鲟、达氏鲟和史氏鲟聚在一起,与意大利鲟和短吻鲟分开。我国3种鲟科鱼类又可分成两小支,中华鲟和达氏鲟为一支与史氏鲟相对应。由分子系统树得到的各
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Institute of Hydrobiology, Chinese Academy Of Sciences
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oai:ir.ihb.ac.cn:342005/37692
Last time updated on 25/11/2020