大肠杆菌生物膜
Escherichia coli biofilms.
作者信息
Beloin C, Roux A, Ghigo J M
机构信息
Groupe de Génétique des Biofilms, Institut Pasteur, CNRS URA 2172, 25 rue du Dr. Roux, 75724 Paris Cedex 15, France.
出版信息
Curr Top Microbiol Immunol. 2008;322:249-89. doi: 10.1007/978-3-540-75418-3_12.
Abstract
Escherichia coli is a predominant species among facultative anaerobic bacteria of the gastrointestinal tract. Both its frequent community lifestyle and the availability of a wide array of genetic tools contributed to establish E. coli as a relevant model organism for the study of surface colonization. Several key factors, including different extracellular appendages, are implicated in E. coli surface colonization and their expression and activity are finely regulated, both in space and time, to ensure productive events leading to mature biofilm formation. This chapter will present known molecular mechanisms underlying biofilm development in both commensal and pathogenic E. coli.
摘要
大肠杆菌是胃肠道兼性厌氧细菌中的主要物种。其常见的群落生活方式以及多种遗传工具的可得性，都促使大肠杆菌成为研究表面定殖的相关模式生物。包括不同细胞外附属物在内的几个关键因素与大肠杆菌的表面定殖有关，并且它们的表达和活性在空间和时间上都受到精细调控，以确保导致形成成熟生物膜的有效过程。本章将介绍共生和致病性大肠杆菌中生物膜形成的已知分子机制。
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Secretion by numbers: Protein traffic in prokaryotes.数量分泌：原核生物中的蛋白质运输
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Cyclic-di-GMP-mediated signalling within the sigma network of Escherichia coli.环二鸟苷酸介导的大肠杆菌西格玛网络内的信号传导。
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