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Curr Opin Plant Biol. 2001 Feb;4(1):50-6.

Vascular patterning and leaf shape.

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Department of Botany, University of Toronto, 25 Willcocks Street, Ontario, M5S 3B2, Toronto, Canada.


Morphogenesis of leaf shape and formation of the major elements of leaf vasculature are temporally coordinated during leaf development. Current analyses of mutant phenotypes provide strong support for the role of auxin signaling in vascular pattern formation and indicate that leaf shape and vasculature are developmentally coupled. Two other mechanisms that may contribute to the regulation of these processes are a diffusion-reaction system and long-distance signaling of informational macromolecules.

[Indexed for MEDLINE]

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