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    • 9. 发明申请
    • Method for exposing peptides and polypeptides on the cell surface of bacteria
    • 在细菌细胞表面上暴露肽和多肽的方法
    • US20040106118A1
    • 2004-06-03
    • US10415165
    • 2003-10-15
    • Harald KolmarAndreas ChristmannAlexander Wentzel
    • C12Q001/68
    • C12N15/70C07K14/245C07K2319/00C12N11/16
    • The inventive method allows peptides or polypeptides to be exposed on the surface of gram-negative host bacteria using specific intimin-based anchor modules. Intimins with shortened carboxy terminals have been found to be particularly suitable anchor modules for passenger domains in the exterior E.coli cell membrane. According to said method, host bacteria are transformed using vectors, on which are located a fused nucleic acid sequence consisting of a sequence segment which codes for an intimin with a shortened carboxy terminal and a nucleic acid sequence segment which codes for the passenger peptide that is to be exposed. The invention permits a particularly large number of passenger domains to be exposed on the cell surface of the bacteria, without adversely affecting the viability of the bacteria.
    • 本发明的方法允许使用特定的基于Intimin的锚模块将肽或多肽暴露在革兰氏阴性宿主细菌的表面上。 已经发现具有缩短的羧基末端的内皮素特别适用于外部大肠杆菌细胞膜中的乘客域的锚模块。 根据所述方法,使用载体转化宿主细菌,所述载体位于由编码具有缩短的羧基末端的内含子的序列区段和由所述载体肽编码的核酸序列区段组成的融合核酸序列 被暴露。 本发明允许特别大量的乘客区域暴露在细菌的细胞表面上,而不会不利地影响细菌的存活力。