Review

Putative terminator and/or effector functions of Arf GAPs in the trafficking of clathrin-coated vesicles

Volume 1, Issue 3   May/June 2011
Pages 86 - 89
http://dx.doi.org/10.4161/cl.1.3.16192
Authors: Shunsuke Kon, Tomo Funaki and Masanobu Satake

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Abstract:

The role of ArfGAP1 as a terminator or effector in COPI-vesicle formation has been the subject of ongoing discussions. Here, the discussion on the putative terminator/effector functions has been enlarged to include Arf GAP members involved in the formation of clathrin-coated vesicles. ACAP1, whose role has been studied extensively, enhances the recycling of endocytosed proteins to the plasma membrane. Importantly, this positive role appears to be an overall reflection of both the terminator and effector activities attributed to ACAP1. Other Arf GAP subtypes have also been suggested to possess both terminator and effector activities. Interestingly, while most Arf GAP proteins regulate membrane trafficking by acting as facilitators, a few Arf GAP subtypes act as inhibitors.

An editorial on this review can be found at:
http://www.landesbioscience.com/journals/cellularlogistics/article/17634/

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