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Review
. 2005 May;15(5):277-83.
doi: 10.1016/j.tcb.2005.03.005.

Plant cytokinesis: fission by fusion

Gerd Jürgens  1
Affiliations
Review

Plant cytokinesis: fission by fusion

Gerd Jürgens. Trends Cell Biol. 2005 May.

Abstract

Cytokinesis partitions the cytoplasm of a dividing cell. Unlike yeast and animal cells, which form cleavage furrows from the plasma membrane, cells in higher plants make a new membrane independently of the plasma membrane by homotypic fusion of vesicles. In somatic cells, a plant-specific cytoskeletal array, called a phragmoplast, is thought to deliver vesicles to the plane of division. Vesicle fusion generates a membranous network, the cell plate, which, by fusion of later-arriving vesicles with its margin, expands towards the cell periphery and eventually fuses with the plasma membrane. In this review (part of the Cytokinesis series), I describe recent studies addressing the mechanisms that underlie cell-plate formation and the coordinated dynamics of membrane fusion and cytoskeletal reorganization during progression through cytokinesis.

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