|本期目录/Table of Contents|

[1]刘建欣,刘蕾,郭珊珊,等.副溶血性弧菌外膜蛋白BamA重组表达及其免疫原性分析[J].江苏农业科学,2022,50(15):43-50.
 Liu Jianxin,et al.Recombinant expression and immunogenicity of outer membrane protein BamA of Vibrio parahaemolyticus[J].Jiangsu Agricultural Sciences,2022,50(15):43-50.
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副溶血性弧菌外膜蛋白BamA重组表达及其免疫原性分析(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15期
页码:
43-50
栏目:
生物技术
出版日期:
2022-08-05

文章信息/Info

Title:
Recombinant expression and immunogenicity of outer membrane protein BamA of Vibrio parahaemolyticus
作者:
刘建欣123刘蕾123郭珊珊123袁倩云123王文彬123
1. 江苏省海洋生物技术重点实验室,江苏连云港 222005; 2.江苏省海洋生物产业技术协同创新中心,江苏连云港 222005;3.江苏海洋大学食品科学与工程学院,江苏连云港 222005
Author(s):
Liu Jianxinet al
关键词:
副溶血性弧菌外膜蛋白BamA重组表达免疫原性ELISA免疫印迹
Keywords:
-
分类号:
S182
DOI:
-
文献标志码:
A
摘要:
副溶血性弧菌外膜蛋白BamA是β-桶组装BAM复合物的核心成分,参与细胞外膜蛋白运送和安装过程,是潜在的新型靶标抗原,目前其在免疫检测抗原和疫苗中的潜在价值尚未有研究报道。本研究通过生物信息学软件SnapGene 和Protean分析BamA的序列并筛选出多肽,采用PCR扩增出外膜蛋白BamA的基因片段,构建重组质粒pET-28a(+)-BamA;经大肠杆菌BL21诱导表达BamA重组蛋白(90 ku);多肽与BSA偶联,制备的抗原免疫BALB/c小鼠制备了血清。采用酶联免疫分析(ELISA)和蛋白质印迹法(Western blot)测定BamA蛋白及多肽免疫血清对24株弧菌的交叉反应。ELISA测定结果表明,免疫血清对BamA蛋白的效价在121 K以上,对副溶血性弧菌等弧菌的效价较弱(0.5 K);免疫印迹结果显示,BamA蛋白血清与副溶血性弧菌CICC 21617、CICC 21618、杀岩龙虾弧菌和非O1型霍乱弧菌等弧菌属细胞裂解物中90 ku左右的蛋白可发生特异性反应,而对费氏另类弧菌、嗜水气单胞菌和迟缓爱德华氏菌等非弧菌属无交叉反应。 弧菌外膜蛋白BamA具有弧菌属保守性并可以诱导产生弧菌特异性抗体,多肽在菌体表面的暴露性可能受到其他抗原的影响,这给后续弧菌诊断抗原和疫苗抗原研究提供了依据。
Abstract:
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备注/Memo

备注/Memo:
收稿日期:2021-05-07
基金项目:江苏省海洋生物技术重点实验室研究基金(编号:HS2019003);江苏省研究生科研与实践创新计划(编号:KYCX19_2290);江苏省优势学科建设工程项目(编号:PAPD)。
作者简介:刘建欣(1995—),女,江苏连云港人,硕士研究生,主要从事海洋动物免疫及病害学研究。E-mail:jxliu0903@163.com。
通信作者:王文彬(1990—),男,河南南阳人,博士,副教授,主要从事病原菌检测与控制研究。E-mail:wenbin66@jou.edu.cn。
更新日期/Last Update: 2022-08-05