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利用hAPOA1原核蛋白生产兔多克隆抗体
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作者 徐志伟 赵杰 +2 位作者 刘伟忠 刘照亭 王期 《江苏农业科学》 北大核心 2016年第12期85-87,共3页
将hAPOA1的阅读框连接到原核表达载体pGEX-4T-1中,构建成正确的pGEX-4T-1-hAPOA1原核表达质粒,然后将其转入宿主菌BL21,经异丙基硫代半乳糖苷(IPTG)诱导后,宿主菌表达出与预期分子量大小相符的55.4ku的融合蛋白;将纯化后的包涵体融合蛋... 将hAPOA1的阅读框连接到原核表达载体pGEX-4T-1中,构建成正确的pGEX-4T-1-hAPOA1原核表达质粒,然后将其转入宿主菌BL21,经异丙基硫代半乳糖苷(IPTG)诱导后,宿主菌表达出与预期分子量大小相符的55.4ku的融合蛋白;将纯化后的包涵体融合蛋白免疫新西兰大白兔,制备抗hAPOA1血清并检测抗体效价。结果表明,经间接酶联免疫吸附测定(ID-ELISA)及蛋白质免疫印迹(WesternBlot)方法证实,获得的融合蛋白免疫新西兰大白兔得到了特异性的多克隆抗体,抗体效价为1∶40000,经济效益可观。 展开更多
关键词 hapoa1 原核表达 新西兰大白兔 融合表达 多克隆抗体
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Production of Rabbit Polyclonal Antibody Using hAPOA1 Protein Expressed in Prokaryotic Cells
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作者 Zhiwei XU Jie ZHAO +2 位作者 Weizhong LIU Zhaoting LIU Qi WANG 《Agricultural Biotechnology》 CAS 2017年第2期41-44,共4页
The open reading frame (ORF) of hAPOA1 was inserted into the prokaryotic expression vector pGEX-4T-1 to construct the recombinant plasmid pGEX- 4T-I-hAPOA1, which was then transformed into Escherichia coil strain BL... The open reading frame (ORF) of hAPOA1 was inserted into the prokaryotic expression vector pGEX-4T-1 to construct the recombinant plasmid pGEX- 4T-I-hAPOA1, which was then transformed into Escherichia coil strain BL21. The expression of target fusion protein was induced with isopropyl β-D-l-thiogalacto- pyranoside (IPTG). The purified fusion protein in inclusion bodies was used to immunize New Zealand white rabbits to prepare hAPOA1 antiserum and the antibody titer was detected with indirect enzyme-linked immunosorbent assay (ID-EL1SA). ID-ELISA and Western Blot proved that rabbit polyclonal antibody with a high titer of 1 : 40 000 was produced, which may bring considerable economic benefits. 展开更多
关键词 hapoa1 Prokaryotie expression New Zealand white rabbits Fusion expression Polyelon~ antibody
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