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The expanding cell
The expanding cellJ-P VerbelenC. Vissenberg eds.
2007.
Berlin: Springer.
£107 (hardback). 297 pp.
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The final size of a plant depends far less on the number of cells produced by division than on the massive expansion of those cells once they have stopped dividing. Even in the tallest plant the apical meristems that ride this wave of cell expansion only measure millimetres and, in more modest plants, micrometres. It is the swelling produced by the entry of water into the vacuole of the non-dividing cells just behind the apex that drives the growing point further into its surroundings. This separation between division and expansion has been known since the
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