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多杂交展示系统的构建:携带两种外源黏附肽的鞭毛丝

Construction of a multihybrid display system: flagellar filaments carrying two foreign adhesive peptides.

作者信息

Tanskanen J, Korhonen T K, Westerlund-Wikström B

机构信息

Division of General Microbiology, Department of Biosciences, FIN-00014 University of Helsinki, Finland.

出版信息

Appl Environ Microbiol. 2000 Sep;66(9):4152-6. doi: 10.1128/AEM.66.9.4152-4156.2000.

Abstract

A multivalent, bifunctional flagellum carrying two different adhesive peptides in separate flagellin subunits within a filament was constructed in Escherichia coli. The inserted peptides were the fibronectin-binding 115-mer D repeat region of Staphylococcus aureus and the 302-mer collagen-binding region of YadA of Yersinia enterocolitica. Western blotting, immunoelectron microscopy, and adhesion tests with hybrid flagella from an in trans-complemented DeltafliC E. coli strain showed that individual filaments consisted of both recombinant flagellins.

摘要

在大肠杆菌中构建了一种多价、双功能鞭毛,该鞭毛在一根丝状体的不同鞭毛蛋白亚基中携带两种不同的粘附肽。插入的肽是金黄色葡萄球菌的纤连蛋白结合115聚体D重复区域和小肠结肠炎耶尔森菌YadA的302聚体胶原结合区域。对来自反式互补的ΔfliC大肠杆菌菌株的杂合鞭毛进行的蛋白质免疫印迹、免疫电子显微镜和粘附试验表明,单个丝状体由两种重组鞭毛蛋白组成。

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