芸苔属花粉-下胚轴原生质体融合再生杂种小植株

被引:12
作者
李昌功
周嫦
杨弘远
机构
[1] 武汉大学生命科学学院植物生殖生物学研究室!武汉,武汉大学生命科学学院植物生殖生物学研究室!武汉,武汉大学生命科学学院植物生殖生物学研究室!武汉
关键词
花粉原生质体; 原生质体融合; 配子-体细胞杂交; 青菜; 甘蓝型油菜;
D O I
暂无
中图分类号
Q943.1 [植物细胞的离体培养];
学科分类号
摘要
从青菜(Brassica chinensisL.)单胞中后期至二胞早期花粉分离出原生质体,用聚乙二醇法诱导其与甘蓝型油菜(B.napusL.)下胚轴原生质体融合。通过控制双亲原生质体的数量与比率,提高了异源融合率。融合体在离体条件下发生细胞分裂,形成愈伤组织,再生了小植株。染色体计数与酯酶同工酶酶谱分析初步证明获得了1 株异源三倍体,2 株异源四倍体。这是以游离花粉时期的原生质体与体细胞原生质体融合,取得“配子-体细胞杂交”成功的首次报道
引用
收藏
页码:905 / 910+973 +973-974
页数:8
相关论文
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