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苏云金芽孢杆菌 cry 3Aa 启动子的克隆和营养期表达载体的构建
Alternative TitleCloning of the cry3Aa Promoter from Bacillus Thuringiensis and Construction of the Bt Non-Sporulation-Dependent Expression Vector
Yu, J.; Meng, G.; Zeng, S.; Xie, R.; Tan, L.; Pang, Y.
2001-03-01
Source Publication高技术通讯
ISSN1002-0470
Pages5-8
Abstract苏云金芽孢杆菌(Bacillus thuringiensis,Bt)的绝大多数杀虫晶体蛋白(insecticidal crystal pro teins, ICPs)基因是在芽孢形成期(sporulation phase)表达的 ,而只有少数基因如 cry 3Aa 是在营养期表达的。在本研究中, 根据已知的 cry 3Aa 基因启动子序列设计了一对引物(Ep-5s 和 Ep-3n),利用这对引物从拟步虫甲亚种(Bt subsp .tenebrions)中扩增出一个与预期大小(1 .1 kb)一致的 DNA 片段 。序列测定及分析结果表明 ,这个 DNA片段含 cry3Aa 启动子全序列 ,包括上游AT 富含区 、两个启动子区 、两个 SD 序列及两组反向重复序列。经过一系列的克隆之后将这个片段克隆到穿梭载体 pHT3101 上, 最后构建成一个 Bt 的营养期表达载体 pHPT 。
Keyword苏云金芽孢杆菌 cry3Aa基因 启动子 营养期 表达载体 生物杀虫剂
URLView the original
Language其他語言Others
The Source to ArticlePB_Publication
PUB ID45791
Document TypeJournal article
CollectionDEPARTMENT OF BIOMEDICAL SCIENCES
Faculty of Health Sciences
Corresponding AuthorPang, Y.
Recommended Citation
GB/T 7714
Yu, J.,Meng, G.,Zeng, S.,等. 苏云金芽孢杆菌 cry 3Aa 启动子的克隆和营养期表达载体的构建[J]. 高技术通讯, 2001, 5-8.
APA Yu, J.., Meng, G.., Zeng, S.., Xie, R.., Tan, L.., & Pang, Y. (2001). 苏云金芽孢杆菌 cry 3Aa 启动子的克隆和营养期表达载体的构建. 高技术通讯, 5-8.
MLA Yu, J.,et al."苏云金芽孢杆菌 cry 3Aa 启动子的克隆和营养期表达载体的构建".高技术通讯 (2001):5-8.
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