"Getting it on" - GDI displacement and small GTPase membrane recruitment

"Getting it on" - GDI displacement and small GTPase membrane recruitment
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DOI:
10.1016/s1097-2765(03)00445-3
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发表时间:
2003-11-01
期刊:
影响因子:
16
通讯作者:
Collins, RN
Collins, RN
中科院分区:
生物学1区
文献类型:
--
作者:
Collins, RN

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了解信号事件的定位机制和空间限制的生理后果是细胞生物学中的主要问题。最近一期的Nature报道了鉴定出可以将Rab GTP酶从胞质溶胶直接募集到膜上的内体因子(Sivars等人,2003年)。连同描述具有Rab-GDI的异戊二烯基Rab的结构的工作(Rak等人,2003),这为我们提供了新的途径和重要的见解,长期存在的问题,Rab GTdR信号和膜交通。
Understanding the mechanisms by which signaling events are localized and the physiological consequences of spatial restriction are major questions in cell biology. A recent issue of Nature reports the identification of an endosomal factor that can directly recruit Rab GTPases from the cytosol onto membranes (Sivars et al., 2003). Together with work describing the structure of prenylRab with Rab-GDI (Rak et al., 2003), this provides us both with new avenues and important insights into long-standing questions of Rab GTPase signaling and membrane traffic.