|本期目录/Table of Contents|

[1]连凯琪,周玲玲,王英杰,等.猪IgG1-Fc基因的克隆、原核表达及表达条件优化[J].江苏农业科学,2019,47(15):91-94.
 Lian Kaiqi,et al.Cloning,prokaryotic expression and expression condition optimization of IgG1-Fc gene in pigs[J].Jiangsu Agricultural Sciences,2019,47(15):91-94.
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IgG1-Fc基因的克隆、原核表达及表达条件优化(PDF)
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《江苏农业科学》[ISSN:1002-1302/CN:32-1214/S]

卷:
第47卷
期数:
2019年第15期
页码:
91-94
栏目:
生物技术
出版日期:
2019-09-03

文章信息/Info

Title:
Cloning,prokaryotic expression and expression condition optimization of IgG1-Fc gene in pigs
作者:
连凯琪 周玲玲 王英杰 李翠 宋玉伟 张明亮
河南省动物疫病防控与营养免疫院士工作站/河南省兽用生物制品研发与应用国际联合实验室/
安阳工学院生物与食品工程学院,河南安阳 455000
Author(s):
Lian Kaiqiet al
关键词:
Fc原核表达包涵体融合蛋白
Keywords:
-
分类号:
S858.28;Q785;Q786
DOI:
-
文献标志码:
A
摘要:
为了探索猪IgG1-Fc(pIgG1-Fc)基因在大肠杆菌中的高效表达,首先通过反转录PCR(RT-PCR)扩增 pIgG1-Fc 基因,并构建重组表达质粒pET30a(+)-pIgG1-Fc,转化到大肠杆菌BL21(DE3)中进行原核表达,然后通过优化异丙基硫代半乳糖苷(IPTG)诱导浓度、菌体培养温度及菌体培养时间,实现pIgG1-Fc重组蛋白的高效表达。结果表明,成功克隆了pIgG1-Fc的基因666 bp,共编码222个氨基酸;重组原核表达质粒pET30a(+)-pIgG1-Fc经过酶切和测序证明构建正确,重组质粒在大肠杆菌BL21(DE3)中能够表达,表达的融合蛋白分子量约为36 ku。其最佳表达条件如下:在25 ℃条件下加入终浓度为1 mmol/L的IPTG诱导6 h可形成大量包涵体蛋白。pIgG1-Fc基因被成功克隆并原核表达,为进一步研究该蛋白的功能及实现其他蛋白与pIgG1-Fc融合后原核表达奠定了基础,为制备能与猪IgG1结合的二抗提供了材料。
Abstract:
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备注/Memo

备注/Memo:
收稿日期:2018-04-21
基金项目:安阳工学院博士科研启动基金(编号:BSJ2016008)。
作者简介:连凯琪(1987—),男,河南新蔡人,博士,讲师,主要从事动物传染病诊断和免疫防控研究。E-mail:liankaiqi616@163.com。
更新日期/Last Update: 2019-08-05