水杨酸处理导致过氧化氢酶基因mRNA水平的下降

被引:23
作者
宋泽双
江国英
卢迎春
朱玉贤
机构
[1] 北京大学蛋白质工程及植物基因工程国家重点实验室!北京
关键词
过氧化氢酶基因; 水杨酸; SAR;
D O I
暂无
中图分类号
Q945 [植物生理学];
学科分类号
0903 ;
摘要
用所克隆的大麦过氧化氢酶cDNA为探针 ,研究水杨酸对过氧化氢酶活性及基因表达的影响 .结果表明 ,浓度大于 3 0mmol/L的水杨酸对过氧化氢酶活性有显著抑制作用 ,Northern杂交分析显示水杨酸对过氧化氢酶活性的抑制作用是通过影响该基因的转录水平实现的 .对水杨酸在植物系统获得性防御过程中的信号功能及其可能的作用机制作了阐述
引用
收藏
页码:422 / 425
页数:4
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