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HETEROZYGOSITY IN SIX POPULATIONS OF CRAB SCYLLA SERRATA

By 黎中宝, 李少菁 and 王桂忠

Abstract

采用聚丙烯酰胺凝胶电泳技术 ,研究了锯缘青蟹 (Scyllaserrata) 6个自然种群杂合体缺乏及过量情况 ;进行了 1 1种等位酶的电泳检测和谱带遗传分析 ,在所研究的锯缘青蟹 2 2个等位酶位点和 30个等位基因中 ,有 7个位点是多态的 ,分别为Est 1、Est 2 (在此位点厦门锯缘青蟹为单态 )、Est 3、Sod 1、Me 2、Mdh 2 (在此位点厦门锯缘青蟹为多态 )、Mdh 3,在这些位点有 2— 3个等位基因。结果表明 ,宁海和三亚种群的Est 1和Est 2位点、厦门种群的Est 1和Mdh 2位点、深圳和北海种群的Est 1位点符合H W平衡标准 (P >0 .0 5 ) ;连江种群的Est 1位点显著偏离H W平衡 (P 0 )... 【英文摘要】 Heterozygosity was investigated using an assay of vertical slab polyacrylamide gel electrophoresis in six crab Scylla serrata populations from six sites: Ninghai (Zhejiang Province), Lianjiang and Xiamen (Fujian Province), Shenzhen (Guangdong Province), Beihai (Guangxi Province) and Sanya (Hainan Province). The large size, fast growth and high economic value of S. serrata all make it very amendable to aquaculture. In recent years, culture of S. serrata has seen in rapid expansion. Main constraint in aquacul...国家自然科学基金资助项目,4 0 376 0 4 4号;; 国家海洋 86 3资助项目 ,2 0 0 2AA6 0 30 13号 ;; 福建省重中之重项目“福建海岸优良种质生物学和生物活性物质的基础应用研究”资助,1998— 2 0 0 2;; 集美大学校基金资助项目 ,2 0 0 0— 2 0 0

Topics: 锯缘青蟹, 等位酶, 种群, 杂合子缺乏, 杂合子过量, Scylla serrata, Allozyme, Population, Heterozygote deficiency, Heterozygote excess
Publisher: 中国海洋湖沼学会
Year: 2004
OAI identifier: oai:dspace.xmu.edu.cn:2288/1648
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