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鸡neurexophilin 1基因在毕赤酵母中的表达

Biotechnology Bulletin(2015)

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Abstract
Neurexophilin 1是母鸡子宫阴道结合部位的差异表达基因。根据鸡nxph1的序列,结合毕赤酵母密码子的偏好性,合成nxph1基因,设计引物以合成基因为模板,扩增其去除信号肽的DNA序列△nxph1,将合成的nxph1基因及去除信号肽的nxph1基因片段△nxph1分别插入pPICZαA真核表达载体,构建重组表达质粒pPICZαA/nxph1和去除信号肽的重组表达质粒pPICZαA/△nxph1,电转入毕赤酵母GS115,阳性菌用终浓度为1%的甲醇诱导表达,SDS-PAGE电泳和Western blot检测表达产物,结果表明重组菌成功分泌鸡NXPH1蛋白和去除信号的△NXPH1蛋白,大小约29 kD,为探索NXPH1在母鸡生殖道内的功能奠定基础。
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Key words
Pichia pastoris,nxph 1,gene expression
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