Role of vesicle tethering factors in the ER-Golgi membrane traffic.
Role of vesicle tethering factors in the ER-Golgi membrane traffic.
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DOI:
10.1016/j.febslet.2009.10.083
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发表时间:
2009-12-03
期刊:
影响因子:
3.5
通讯作者:
Lupashin, Vladimir
中科院分区:
文献类型:
--
作者:
Sztul, Elizabeth;Lupashin, Vladimir
关键词:
Tethers are a diverse group of loosely related proteins and protein complexes grouped into 3 families based on structural and functional similarities. A well-accepted role for tethering factors is the initial attachment of transport carriers to acceptor membranes prior to fusion. However, accumulating evidence indicates that tethers are more than static bridges. Tethers have been shown to interact with components of the fusion machinery and with components involved in vesicle formation. Tethers belonging to the 3 families act at the same stage of traffic, suggesting that they mediate distinct events during vesicle tethering. Thus, multiple tether-facilitated events are required to provide selectivity to vesicle fusion. In this review, we highlight findings that support this model.
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