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柞蚕核型多角体病毒IE-1基因启动子的克隆与分析

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Indexed by:期刊论文

Date of Publication:2008-10-28

Journal:华北农学报

Included Journals:PKU、ISTIC、CSCD

Volume:23

Issue:5

Page Number:147-150

ISSN No.:1000-7091

Key Words:IE-1基因启动子;柞蚕核型多角体病毒;pGFP-N2表达载体

Abstract:以柞蚕核型多角体病毒(ApNPV)DNA为模板,运用PCR技术钓取ApNPV(IE-1)基因的启动子片段,并将其克隆到pMD18-T载体上进行测序分析.将测序的2.7 kb DNA片段用EcoR I和Bgl II双酶切,回收3'端1.6 kb的DNA片段.将该片段插入到pGFP-N2表达载体上构建以其作为启动子的IE-1/pGFP-N2重组质粒.重组质粒经脂质体介导转染Hela细胞,结果可见绿色荧光蛋白(GFP)在细胞中的表达,证明钓取的IE-1基因启动子片段具有启动子的转录活性.

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