Periplasmic export machines for outer membrane assembly

被引:12
作者
Whitfield, Chris [1 ]
Naismith, James H. [2 ]
机构
[1] Univ Guelph, Dept Mol & Cellular Biol, Guelph, ON N1G 2W1, Canada
[2] Univ St Andrews, Ctr Biomol Sci, St Andrews KY16 9ST, Fife, Scotland
基金
英国生物技术与生命科学研究理事会; 英国惠康基金;
关键词
D O I
10.1016/j.sbi.2008.04.001
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
The cell envelope of Gram-negative bacteria protects the organism from environmental stresses, components of the innate immune response, and the actions of other antagonistic molecules. However, the complexity of the cell envelope dictated by these protective roles creates a significant challenge for assembly of the outer membrane. Extensive research has focused on the export and assembly of outer membrane proteins and there is continuing progress in this area. By contrast, knowledge of the export and assembly of complex glycoconjugates in the outer membrane has been limited until recently. New structural and biochemical information identifies an envelope-spanning molecular scaffold for the export of group 1 capsular polysaccharides and provides insight into a complex molecular machine.
引用
收藏
页码:466 / 474
页数:9
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