Journal
ANNUAL REVIEW OF BIOCHEMISTRY, VOL 81
Volume 81, Issue -, Pages 407-427Publisher
ANNUAL REVIEWS
DOI: 10.1146/annurev-biochem-051710-094912
Keywords
dynamin; BAR domain; actin; Sar1; Arf; protein kinase D
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Funding
- ICREA Funding Source: Custom
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Membrane-bound transport carriers are used to transfer cargo between membranes of the secretory and the endocytic pathways. The generation of these carriers can be classified into three steps: segregation of cargo away from the residents of a donor compartment (cargo sorting), generation of membrane curvature commensurate with the size of the cargo (membrane budding or tubulation), and finally separation of the nascent carrier from the donor membrane by a scission or membrane fission event. This review summarizes advances in our understanding of some of the best-characterized proteins required for the membrane fission that separates a transport carrier from its progenitor compartment: the large GTPase dynamin, the small guanine nucleotide-binding (G) proteins of the Arf family, BAR (Bin-amphiphysin-Rvs) domain proteins, and protein kinase D. These proteins share their ability to insert into membranes and oligomerize to create the large curvatures; however, the overall process of fission that involves these proteins appears to be quite different.
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