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Curr Opin Plant Biol. 1999 Dec;2(6):447-53.

Divide and conquer: cytokinesis in plant cells.

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Department of Biology, Section of Cell and Developmental Biology, University of California at San Diego, La Jolla, CA 92093-0116, USA.


Plant cells divide in two by constructing a new cell wall (cell plate) between daughter nuclei after mitosis. Golgi-derived vesicles are transported to the equator of a cytoskeletal structure called a phragmoplast, where they fuse together to form the cell plate. Orientation of new cell walls involves actindependent guidance of phragmoplasts and associated cell plates to cortical sites established prior to mitosis. Recent work has provided new insights into how actin filaments and other proteins in the phragmoplast and cell plate contribute to cytokinesis. Newly discovered mutations have identified a variety of genes required for cytokinesis or its spatial regulation.

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