[1]崔泽旭,金前跃,郭振华,等.猪伪狂犬病病毒US9蛋白多克隆抗体制备及其应用[J].江苏农业科学,2026,54(13):193-198.
 Cui Zexu,et al.Preparation and application of polyclonal antibody against pseudorabies virus US9 protein[J].Jiangsu Agricultural Sciences,2026,54(13):193-198.
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猪伪狂犬病病毒US9蛋白多克隆抗体制备及其应用()

《江苏农业科学》[ISSN:1002-1302/CN:32-1214/S]

卷:
第54卷
期数:
2026年第13期
页码:
193-198
栏目:
动物科学与动物医学
出版日期:
2026-07-05

文章信息/Info

Title:
Preparation and application of polyclonal antibody against pseudorabies virus US9 protein
作者:
崔泽旭123金前跃2郭振华2柴永笑2邢广旭2王磊3卢清侠12
1.河南省农业科学院畜牧研究所,河南郑州 450002; 2.河南省农业科学院动物疫病防控研究所(动物免疫学重点实验室),河南郑州 450002; 3.河南科技学院动物科技学院,河南新乡 453003
Author(s):
Cui Zexuet al
关键词:
猪伪狂犬病病毒US9基因原核表达多克隆抗体
Keywords:
-
分类号:
S852.65+1
DOI:
-
文献标志码:
A
摘要:
为获得猪伪狂犬病病毒(pseudorabies virus,PRV)US9重组蛋白,并制备能够识别US9蛋白的特异性多克隆抗体,根据PRV HeNLH/2017株US9基因序列设计引物,扩增US9基因并克隆至原核表达载体pET-30a(+)。将重组表达质粒转化至大肠杆菌BL21(DE3),在不同温度下进行诱导表达。随后利用Ni-NTA亲和层析纯化重组US9蛋白,以此为免疫原免疫BALB/c小鼠制备多克隆抗体,并通过SDS-PAGE、Western blot和间接ELISA分析重组蛋白表达效果及抗体特性。结果表明,构建了pET-30a-US9重组质粒,并确定了其最佳诱导表达条件为1 mmol/L IPTG、37 ℃诱导4 h。重组表达的US9蛋白分子量约为20 ku,且能被His标签抗体特异性识别。随后,利用纯化的US9重组蛋白作为免疫原成功制备了效价高达1 ∶[KG-*3]64 000~1 ∶[KG-*3]128 000的多克隆抗体,且该抗体能够与重组US9蛋白、293T细胞中过表达的US9蛋白以及PRV感染细胞中的US9蛋白发生特异性反应。综上,成功获得了高纯度PRV US9重组蛋白,并制备了具有高效价和良好特异性的多克隆抗体,可作为US9蛋白功能研究的重要检测工具。
Abstract:
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参考文献/References:

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备注/Memo

备注/Memo:
收稿日期:2026-04-12
基金项目:中原科技创新领军人才(编号:254200510007)。
作者简介:崔泽旭(2000—),男,河南许昌人,硕士研究生,主要从事动物病毒学研究。E-mail:3429538415@qq.com。
通信作者:卢清侠,博士,研究员,主要从事动物病毒学与免疫学研究,E-mail:luqingxia82@163.com;王磊,博士,教授,主要从事动物病原和新兽药研究,E-mail:wlei_007@163.com。
更新日期/Last Update: 2026-07-05