PI(4,5)P(2) regulation of surface membrane traffic - PubMed (original) (raw)

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PI(4,5)P(2) regulation of surface membrane traffic

T F Martin. Curr Opin Cell Biol. 2001 Aug.

Abstract

Phosphatidylinositol 4,5-biphosphate (PI[4,5]P(2)) has emerged as an important signaling molecule in the membrane for regulating vesicle exo- and endocytosis and the accompanying actin cytoskeletal rearrangements. Localization studies with GFP-tagged binding domains and antibodies provide new views of the non-uniform, dynamic distribution of PI(4,5)P(2) in membranes and its organization in raft-like domains. The targeting of phosphoinositide kinases by GTPases can coordinate the reactions of membrane fusion and fission with cytoskeletal assembly, providing a basis for membrane movement.

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