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斜纹夜蛾核型多角体病毒ⅡORF56基因的序列分析及原核表达 被引量:1

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摘要 对斜纹夜蛾核型多角体病毒ⅡORF56基因的序列特征及原核表达进行了初步研究。ORF56基因编码区全长675 bp,编码224个氨基酸,预测编码蛋白分子量25.9 ku。序列分析显示,ORF56具有典型的晚期启动子特征序列GTAAG,推导的氨基酸序列中含有13个磷酸化位点和3个N-糖基化位点。PCR扩增获得该基因,克隆到融合表达载体pET-32 a(+)中,在大肠杆菌BL21中诱导表达。用纯化的融合蛋白免疫家兔,制备了多克隆抗体,为深入研究Sp ltMNPVⅡORF56的结构与功能提供基础。
出处 《江苏农业科学》 CSCD 北大核心 2010年第5期51-54,共4页 Jiangsu Agricultural Sciences
基金 江苏省苏州市科技支撑项目(编号:SNG0924)
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