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双斑东方鲀染色体核型分析
Authors
刘巧红
尤颖哲
陈军
陈武各
Publication date
15 May 2018
Publisher
Abstract
鱼类的染色体核型分析是鱼类遗传学研究的基础,作为我国重要养殖品种的双斑东方鲀(Takifugu bimaculatus)尚未发现有染色体核型的相关报道.采用体内注射植物血球凝集素(PHA)及秋水仙素法制备了双斑东方鲀头肾组织染色体标本并分析其核型.结果表明,双斑东方鲀二倍体染色体数为2n=44,其染色体臂数为NF=62,核型公式为12m+6sm+26t.通过比较分析推测2n=44应该是东方鲀属的染色体基础核型,而其染色体核型的高度保守可能是东方鲀属鱼类易于发生种间杂交的主要原因之一.厦门南方海洋研究中心资助项目(13GYY002NF07);;海洋经济创新发展区域示范专项资助项目(12PYY001SF08-XMDX-2
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Last time updated on 10/06/2020