|本期目录/Table of Contents|

[1]王玉波,邓炜杰,陈薪竹,等.抗呋喃唑酮代谢物衍生物单链抗体-AP酶融合蛋白表达条件优化[J].江苏农业科学,2022,50(20):212-216,252.
 Wang Yubo,et al.Optimization of expression conditions of anti-furazolidone metabolite derivative scFV-APase fusion protein[J].Jiangsu Agricultural Sciences,2022,50(20):212-216,252.
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抗呋喃唑酮代谢物衍生物单链抗体-AP酶融合蛋白表达条件优化(PDF)
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《江苏农业科学》[ISSN:1002-1302/CN:32-1214/S]

卷:
第50卷
期数:
2022年第20期
页码:
212-216,252
栏目:
贮藏加工与检测分析
出版日期:
2022-10-20

文章信息/Info

Title:
Optimization of expression conditions of anti-furazolidone metabolite derivative scFV-APase fusion protein
作者:
王玉波1邓炜杰1陈薪竹2王丹1洪艳平1熊建华1戴棚1杨武英1
1.南昌市农产品加工与质量控制重点实验室/江西农业大学食品科学与工程学院,江西南昌 330045;2.四川百利药业有限责任公司,四川成都 610041
Author(s):
Wang Yuboet al
关键词:
呋喃唑酮代谢物单链抗体融合蛋白蛋白表达条件优化
Keywords:
-
分类号:
S859.84
DOI:
-
文献标志码:
A
摘要:
为提高抗呋喃唑酮代谢物衍生物单链抗体-碱性磷酸酶融合蛋白在大肠杆菌中的可溶性表达量。采用液体培养基发酵培养能表达出目的蛋白的基因工程菌,对诱导表达得到的目标融合蛋白进行鉴定,探讨5种培养基、6种诱导时间和4种诱导剂-异丙基硫代半乳糖苷(IPTG)浓度对融合蛋白表达的影响,再通过N-羟基琥珀酰亚胺(NHS)活化羧基琼脂糖凝胶柱和直接竞争酶联免疫分析法进行纯化并对其活性进行鉴定。结果表明,最适宜条件为SB培养基,诱导剂IPTG浓度为0.6 mmol/L,培养9 h,该条件下抗呋喃唑酮代谢物衍生物单链抗体-AP融合蛋白的表达效果较好,表达量从2.89%增加到5.75%,总体增加了约2.86百分点,通过NHS活化羧基琼脂糖凝胶柱纯化后融合蛋白的浓度为1.973 mg/mL,IC50值为56.923 1 ng/mL。本试验单链抗体在大肠杆菌中的可溶性表达量得到了很好的提高,并获得生物活性较好的融合蛋白,为后续呋喃唑酮代谢物免疫检测分析方法的建立奠定了一定基础。
Abstract:
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备注/Memo

备注/Memo:
收稿日期:2021-10-08
基金项目:国家自然科学基金(编号:31660486);江西省自然科学基金面上项目(编号:20202BABL205021);江西省教育厅科学技术研究项目(编号:GJJ190218);江西省研究生创新专项资金(编号:YC2020-S240);江西省大宗淡水鱼产业技术体系项目(编号:JXARS-3)。
作者简介:王玉波(1995—),男,贵州铜仁人,硕士研究生,研究方向为食品质量与安全。E-mail:3270295118@qq.com。
通信作者:杨武英,博士,教授,主要从事食品质量与安全研究。E-mail:yangwuyi2003@163.com。
更新日期/Last Update: 2022-10-20