苏云金芽胞杆菌杀虫晶体蛋白研究进展

被引:47
作者
彭琦
周子珊
张杰
机构
[1] 中国农业科学院植物保护研究所/植物病虫害生物学国家重点实验室
关键词
苏云金芽胞杆菌; 杀虫晶体蛋白; 转录调控; 作用机制;
D O I
暂无
中图分类号
S482.39 [];
学科分类号
摘要
苏云金芽胞杆菌(Bacillus thuringiensis,简称Bt),属于蜡样芽胞杆菌族,芽胞杆菌属的革兰氏阳性细菌,与其它芽胞杆菌的区别是在形成芽胞的同时,伴随有杀虫晶体蛋白(Cry蛋白)的产生。Cry蛋白对鳞翅目、鞘翅目、膜翅目和双翅目等多种害虫具有特异的杀虫作用,因此,Cry蛋白以微生物杀虫剂或转Bt基因植物的形式而被广泛应用于害虫生物防治中。本文从Bt菌株的发掘、cry基因的转录调控机制、Cry蛋白的结构功能及作用机制等方面进行综述,为Bt杀虫蛋白的推广应用、Bt蛋白的定向改造和构建高效广谱的工程菌提供参考。
引用
收藏
页码:712 / 722
页数:11
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