A view to a kill: the bacterial type VI secretion system.
A view to a kill: the bacterial type VI secretion system.
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DOI:
10.1016/j.chom.2013.11.008
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发表时间:
2014-01-15
影响因子:
30.3
通讯作者:
Mekalanos JJ
中科院分区:
文献类型:
--
作者:
Ho BT;Dong TG;Mekalanos JJ
The bacterial Type 6 Secretion System (T6SS) is an organelle that is structurally and mechanistically analogous to an intracellular membrane-attached contractile phage tail. Recent studies determined that a rapid conformational change in the structure of a sheath protein complex propels T6SS spike and tube components along with anti-bacterial and anti-eukaryotic effectors out of predatory T6SS+ cells and into prey cells. The contracted organelle is then recycled in an ATP-dependent process. T6SS is regulated at transcriptional and post-translational levels, the latter involving detection of membrane perturbation in some species. In addition to directly targeting eukaryotic cells, the T6SS can also target other bacteria co-infecting a mammalian host, highlighting the importance of the T6SS not only for bacterial survival in environmental ecosystems but also in the context of infection and disease. This review highlights these and other advances in our understanding of the structure, mechanical function, assembly, and regulation of the T6SS.
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影响因子:
6.7
作者:
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DOI:
10.1073/pnas.82.16.5550
发表时间:
1985-01-01
影响因子:
11.1
作者:
DUDA, RL;WALL, JS;EISERLING, FA
通讯作者:
EISERLING, FA