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Curr Sci. 2001 Jan 25;80(2):170-7.

Signal transduction mechanisms in plants: an overview.

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  • 1Section of Molecular Cell and Developmental Biology, The University of Texas at Austin, Austin, TX 78712, USA.
  • 2U TX, Austin


This article provides an overview on recent advances in some of the basic signalling mechanisms that participate in a wide variety of stimulus-response pathways. The mechanisms include calcium-based signalling, G-protein-mediated-signalling and signalling involving inositol phospholipids, with discussion on the role of protein kinases and phosphatases interspersed. As a further defining feature, the article highlights recent exciting findings on three extracellular components that have not been given coverage in previous reviews of signal transduction in plants, extracellular calmodulin, extracellular ATP, and integrin-like receptors, all of which affect plant growth and development.

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