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鸡α-干扰素基因的克隆与原核表达

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摘要 根据Genbank中发表鸡α-干扰素基因序列设计一对引物,采用PCR法从SPF鸡的全血白细胞中克隆了α-干扰素基因(ChIFN-α)。序列分析结果显示,与已发表的ChIFN-α的同源性在98.1%以上,与其他禽类的IFN-α同源性在67.4%以上,其中与火鸡IFN-α同源性在89.8%,而与鸭α干扰素同源性仅为67.4%。将该基因连接到原核表达载体pET-28a上,构建重组表达质粒,转入BL21,IPTG诱导后SDS-PAGE分析,可见一条约19ku的清晰蛋白带,结果表明克隆的ChIFN-α基因在原核中获得表达。
出处 《上海畜牧兽医通讯》 2007年第2期24-25,共2页 Shanghai Journal of Animal Husbandry and Veterinary Medicine
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参考文献8

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