早熟禾的组织培养和基因枪介导的基因转化体系的初步建立

被引:65
作者
马忠华
张云芳
徐传祥
陈文峻
尹红华
蒯本科
机构
关键词
早熟禾; 遗传转化; 组织培养; 基因枪;
D O I
10.15943/j.cnki.fdxb-jns.1999.05.012
中图分类号
Q785 [转化及克隆];
学科分类号
摘要
分析了不同质量浓度的2,4-二硝基苯酚(简为2,4-D)对早熟禾愈伤组织诱导和愈伤组织分化成苗的影响,3 m g/L和0.1 m g/L 2,4-D分别是本试验所用早熟禾基因型(Poa pratensisL cv. nuble)诱导形成愈伤组织和愈伤组织分化成苗的最适质量浓度.利用基因枪将含GUS基因的pGA470和pAct1-D的质粒导入愈伤组织,通过组织染色法检测到了Gus基因的瞬时表达.含NPTⅡ基因的pGA470质粒和含bar 基因的pDM302质粒转化的愈伤组织,分别在含100 m g/L卡那霉素和含3 m g/Lphosphinothricin(PPT)的选择性培养基上培养,获得了抗卡那霉素和抗PPT的愈伤组织;分子杂交结果证明NPTⅡ基因已稳定存在于多次继代愈伤组织中
引用
收藏
页码:540 / 544
页数:5
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