根癌农杆菌介导Ds转座因子的水稻遗传转化

被引:24
作者
沈革志
张建军
殷丽青
王新其
陈全庆
范昆华
机构
[1] 上海市农业科学院作物育种栽培研究所!上海
关键词
水稻; 根癌农杆菌; 遗传转化; Ds转座因子;
D O I
暂无
中图分类号
S511.103 [];
学科分类号
摘要
以水稻品种中花11的幼胚、成熟胚和幼穗的愈伤组织为材料,经携带Ti质粒pDs-Bar1300的根癌农杆菌EHA105感染和共培养后,通过50mg/L和25mg/L潮霉素的二次筛选,结果表明34%幼胚愈伤组织、17%成熟胚愈伤组织和16.5%幼穗愈伤组织表现潮霉素抗性。这些抗性愈伤组织转入分化和再生培养基培养,获得了14棵转基因植株。经Southern杂交分析,证明Ds和Bar基因都已整合进转基因植株的染色体组。对T1代植株的PPT抗性测定表明,外源Bar基因的分离符合孟德尔法则。
引用
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页码:7 / 12
页数:6
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