与烟草细胞质雄性不育相关的线粒体基因atp9的mRNA研究

被引:19
作者
周玮 [1 ]
刘齐元 [2 ]
陈雪峰 [2 ]
刘飞虎 [2 ]
曹槐 [2 ]
刘次全 [2 ]
机构
[1] 湖南农业大学生物安全科学技术学院
[2] 云南大学生命科学学院
关键词
atp9; 细胞质雄性不育; mRNA二级结构; 烟草;
D O I
暂无
中图分类号
Q943 [植物细胞遗传学];
学科分类号
071007 [遗传学];
摘要
已知导入未编辑atp9 mRNA的烟草表现细胞质雄性不育(CMS),因此认为线粒体基因atp9是引起高等植物CMS的主要基因。为了解atp9在CMS中的作用机制,从3对烟草不育系及其同型保持系中提取atp9,利用实验与理论结合来分析其mRNA在编辑前后以及在不育系及其同型保持系中的一维、三维信息差别。结果表明,atp9mRNA一维信息方面的差异,更重要的是二级结构的差异和稳定性,可能是影响ATP合成而导致CMS的根本原因。
引用
收藏
页码:114 / 120+39 +39
页数:8
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