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THE GENERATION OF Ca 2+ SIGNALS IN PLANTS

THE GENERATION OF Ca 2+ SIGNALS IN PLANTS ▪ Abstract The calcium ion is firmly established as a ubiquitous intracellular second messenger in plants. At their simplest, Ca 2+ -based signaling systems are composed of a receptor, a system for generating the increase in Ca 2+ cyt , downstream components that are capable of reacting to the increase in Ca 2+ cyt , and other cellular systems responsible for returning Ca 2+ cyt to its prestimulus level. Here we review the various mechanisms responsible for generating the stimulus-induced increases in Ca 2+ cyt known as Ca 2+ signals. We focus particularly on the mechanisms responsible for generating Ca 2+ cyt oscillations and transients and use Nod Factor signaling in legume root hairs and stimulus-response coupling in guard cells to assess the physiological significance of these classes of Ca 2+ signals. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Annual Review of Plant Biology Annual Reviews

THE GENERATION OF Ca 2+ SIGNALS IN PLANTS

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References (148)

Publisher
Annual Reviews
Copyright
Copyright © 2004 by Annual Reviews. All rights reserved
ISSN
1040-2519
DOI
10.1146/annurev.arplant.55.031903.141624
pmid
15377226
Publisher site
See Article on Publisher Site

Abstract

▪ Abstract The calcium ion is firmly established as a ubiquitous intracellular second messenger in plants. At their simplest, Ca 2+ -based signaling systems are composed of a receptor, a system for generating the increase in Ca 2+ cyt , downstream components that are capable of reacting to the increase in Ca 2+ cyt , and other cellular systems responsible for returning Ca 2+ cyt to its prestimulus level. Here we review the various mechanisms responsible for generating the stimulus-induced increases in Ca 2+ cyt known as Ca 2+ signals. We focus particularly on the mechanisms responsible for generating Ca 2+ cyt oscillations and transients and use Nod Factor signaling in legume root hairs and stimulus-response coupling in guard cells to assess the physiological significance of these classes of Ca 2+ signals.

Journal

Annual Review of Plant BiologyAnnual Reviews

Published: Jun 2, 2004

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