Envelope control of outer membrane vesicle production in Gram-negative bacteria.
Envelope control of outer membrane vesicle production in Gram-negative bacteria.
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DOI:
10.1021/bi400164t
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发表时间:
2013-05-07
期刊:
影响因子:
2.9
通讯作者:
Kuehn MJ
中科院分区:
文献类型:
--
作者:
Schwechheimer C;Sullivan CJ;Kuehn MJ
All Gram-negative bacteria studied to date have been shown to produce outer membrane vesicles (OMVs), which are budded, released spheres of outer membrane with periplasmic content. OMVs have been implicated in the delivery of virulence factors in pathogenesis. However, OMVs also benefit non-pathogenic species by delivering degradative enzymes to defend an ecological niche against competing bacterial species, and they can serve as an envelope stress response. Despite these important roles, there is very little known about the mechanism of production of OMVs. Here we review the advantage of vesiculation, particularly in a non-pathogenic context, as well as the hurdles that have to be overcome in Gram-negative envelope architecture before a vesicle can form and bud. Lastly, we address the question of whether OMV production is a stochastic or regulated process.
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