Type II secretion system: A magic beanstalk or a protein escalator

被引：144

作者：

Nivaskumar, Mangayarkarasi ^{[1
,2
,3
]}

Francetic, Olivera ^{[1
,2
]}

机构：

[1] Inst Pasteur, Mol Genet Unit, F-75724 Paris 15, France

[2] CNRS ERL3526, Paris 15, France

[3] Univ Paris 07, Paris 15, France

来源：

BIOCHIMICA ET BIOPHYSICA ACTA-MOLECULAR CELL RESEARCH | 2014年 / 1843卷 / 08期

关键词：

Folded protein secretion; Fiber assembly; Pseudopili; Secretin; Pilotin; Traffic ATPase; GRAM-NEGATIVE BACTERIA; N-TERMINAL DOMAIN; ENTEROTOXIGENIC ESCHERICHIA-COLI; IV PILUS BIOGENESIS; INNER MEMBRANE PLATFORM; CHOLERA-TOXIN SECRETION; HEAT-LABILE ENTEROTOXIN; PSEUDOMONAS-AERUGINOSA; OUTER-MEMBRANE; VIBRIO-CHOLERAE;

D O I：

10.1016/j.bbamcr.2013.12.020

中图分类号：

Q5 [生物化学]; Q7 [分子生物学];

学科分类号：

071010 ; 081704 ;

摘要：

Type II protein secretion systems (T2SS) are molecular machines that promote specific transport of folded periplasmic proteins in Gram-negative bacteria, across a dedicated channel in the outer membrane. Secreted substrates, released to the milieu or displayed on the cell surface, contribute to bacterial adaptation to a range of habitats, from deep-sea waters to animal and plant tissues. The past decade has seen remarkable progress in structural, biochemical and functional analysis of T2SS and related systems, bringing new mechanistic insights into these dynamic complexes. This review focuses on recent advances in the field, and discusses open questions regarding the secretion mechanism. This article is part of a Special Issue entitled: Protein trafficking and secretion in bacteria. Guest Editors: Anastassios Economou and Ross Dalbey. (C) 2013 Elsevier B.V. All rights reserved.

引用

页码：1568 / 1577

页数：10

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