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Curr Biol. 2011 Nov 22;21(22):R930-4. doi: 10.1016/j.cub.2011.10.001.

Phosphoinositide function in cytokinesis.

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Program in Cell Biology, The Hospital for Sick Children, Toronto, Ontario M5G 1L7, Canada.

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  • Curr Biol. 2012 Jan 10;22(1):91.


In systems as diverse as yeast, slime mold and animal cells, the levels and distribution of phosphatidylinositol phosphates (PIPs) must be strictly regulated for successful cell cleavage. The precise mechanism by which PIPs function in this process remains unknown. Recent experiments are beginning to shed light on the cellular pathways in which PIPs make key contributions during cytokinesis. In particular, PIPs promote proper actin cytoskeletal organization and direct membrane trafficking in dividing cells. Future research will uncover temporal and spatial regulation of the different PIPs, thus elucidating their role in cytoskeletal and membrane events that drive cell cleavage.

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