花色改造基因工程

被引:12
作者
李洪清
李美茹
潘小平
陈贻竹
机构
[1] 华南师范大学生命科学院
[2] 中国科学院华南植物研究所
[3] 中国科学院华南植物研究所 广州
[4] 广州
关键词
花色; 花色素苷; 基因工程;
D O I
10.13523/j.cb.20030710
中图分类号
Q943 [植物细胞遗传学];
学科分类号
071007 ; 090102 ;
摘要
自 1 987年世界首例成功运用转基因技术改造矮牵牛花色以来 ,花色改造基因工程技术不断展现它在培育新花色品系上的无穷魅力。介绍了近年来运用基因工程技术成功改造花色的 3种主要策略 :( 1 )采用反义RNA及共抑制的方法来改变花颜色的深浅 ;( 2 )通过导入新基因产生新奇花色 ;( 3)利用转座子构建特殊表达载体 ,随机激活花色合成的基因来产生嵌合花色。此外 ,还对转基因株花色不稳定原因进行了讨论。
引用
收藏
页码:42 / 46
页数:5
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