Ⅰ型鸭肝炎病毒VP1基因串联表达载体的构建

Heilongjiang Animal Science and Veterinary Medicine(2011)

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Abstract
为了构建Ⅰ型鸭肝炎病毒双拷贝VP1基因的原核表达质粒,试验采用RT-PCR技术扩增鸭肝炎病毒VP1基因,将其连接到克隆载体pGEM-T Easy中得到重组克隆质粒pGEM-T-VP1,阳性克隆质粒经鉴定正确后,分别用BamHⅠ、XholⅠ、BglⅡ进行酶切,重组后得到pGEM-T-2VP1,然后将双拷贝VP1基因亚克隆入原核表达载体pET-30a(+)中,得到重组质粒pET-30a(+)-2VP1。结果表明:得到了含有目的基因的阳性克隆。说明Ⅰ型鸭肝炎病毒双拷贝VP1基因原核表达质粒构建成功。
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Key words
Duck hepatitis virus(DHV) serotype 1(DHV-1),tandem expression,2VP1 gene
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