开发TRAP标记的新策略

来源 :中国烟草科学 | 被引量 : 0次 | 上传用户:weiqing1120
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烟草作为重要的经济作物和生物工程研究领域的模式植物,由于基因组庞大、结构复杂、重复序列较多以及缺少理想的分子标记,致使大量重要农艺、品质性状缺少分子水平上的遗传研究。因此开发适合烟草的分子标记对其遗传研究具有重要意义。本研究在以往TRAP标记开发经验的基础上,探索了一种直接利用EST-SSR引物作为固定引物开发TRAP标记的新方法,降低了TRAP标记的开发难度和成本,在短期内能开发出丰富的TRAP标记组合。本研究开发了首套烟草TRAP标记,结果显示其扩增带型理想,多态性较高,并在普通烟草品种中筛选到一条类
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