期刊
CURRENT OPINION IN CELL BIOLOGY
卷 59, 期 -, 页码 34-39出版社
CURRENT BIOLOGY LTD
DOI: 10.1016/j.ceb.2019.03.004
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资金
- Wellcome Trust Investigator Award [097769/Z/11/Z]
- Wellcome Trust [097769/Z/11/Z] Funding Source: Wellcome Trust
Rab GTPases and their regulatory proteins play a crucial role in vesicle-mediated membrane trafficking. During vesicle membrane tethering Rab GTPases are activated by GEFs (guanine nucleotide exchange factors) and then inactivated by GAPs (GTPase activating proteins). Recent evidence shows that in addition to activating and inactivating Rab GTPases, both Rab GEFs and GAPs directly contribute to membrane tethering events during vesicle traffic. Other studies have extended the range of processes, in which Rabs function, and revealed roles for Rabs and their GAPs in the regulation of autophagy. Here, we will discuss these advances and the emerging relationship between the domain architectures of Rab GEFs and vesicle coat protein complexes linked with GTPases of the Sar, ARF and Arl families in animal cells.
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