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5个尼罗罗非鱼群体遗传关系的ISSR分析
ISSR analysis on genetic relationships of five Nile Tilapia O.niloticus populations

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5个尼罗罗非鱼群体遗传关系的ISSR分析.pdf (655.2Kb)
Date
2012-10
Author
钟建兴(福建省水产研究所)
李金秋(福建省淡水水产研究所)
钟然
黄洪贵(福建省淡水水产研究所)
杨盛昌
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  • 生命科学-已发表论文 [5901]
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Abstract
[中文文摘]采用ISSR分子标记技术,对吉富尼罗罗非鱼群体(GF)、尼罗罗非鱼群体Ⅰ(NLⅠ)、尼罗罗非鱼群体Ⅱ(NLⅡ)、尼罗罗非鱼群体Ⅲ(NLⅢ)和尼罗罗非鱼群体Ⅳ(NLⅣ)的遗传多样性进行分析。用81个ISSR引物对5个尼罗罗非鱼群体进行扩增,15个ISSR引物获得多态片段。根据Nei's遗传距离矩阵构建了5个尼罗罗非鱼群体的遗传关系树状图。UPGMA聚类图表明:NLⅢ群体和NLⅣ群体最先聚在一起;其次二者再与GF群体聚在一起;NLⅠ群体与NLⅡ群体聚在一起。分析结果显示:GF群体与其它4个罗非鱼群体区分较明显;用UBC835扩增的500 bp片段为GF所特有,可作为区别GF和其它尼罗罗非鱼的分子标记。[英文文摘]ISSR analysis was used to investigate the genetic relationships of five Nile Tilapia populations from different areas called GF,NLⅠ,NLⅡ,NLⅢ and NLⅣ in this paper.Among 81 ISSR primers,15 primers were able to generate highly reproducibly polymorphic DNA fragments.The genetic trees were constructed based on ISSR amplification finger printings using unweighted pair group method for arithmetic averages analysis(UPGMA).According to the tree,Population NL Ⅲ and NL Ⅳ formed one branch first,then grouped with population GF.Population NLⅠand NLⅡ formed another branch.This result showed that population GF separated from other Nile Tilapias populations; The 500 bp band amplified by primer UBC835 could distinguish population GF from other Nile Tilapia populations.
Description
作者简介: 钟建兴( 1964 - ) ,男,副研究员,主要从事海水养殖与遗传育种研究. Tel: 0592 -5678575;E-mail: zhongjianxing@ sina. com福建省科技厅重大专项(水产)资助项目(2004NZ03-2)
Citation
福建水产,2012,34(5):349-353
URI
https://dspace.xmu.edu.cn/handle/2288/15601

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