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Decoding Ca2+ signals in plantsDifferent input signals create their own characteristic Ca2+ fingerprints. These fingerprints are distinguished by frequency, amplitude, duration, and number of Ca2+ oscillations. Ca(2+)-binding proteins and protein kinases decode these complex Ca2+ fingerprints through conformational coupling and covalent modifications of proteins. This decoding of signals can lead to a physiological response with or without changes in gene expression. In plants, Ca(2+)-dependent protein kinases and Ca2+/calmodulin-dependent protein kinases are involved in decoding Ca2+ signals into phosphorylation signals. This review summarizes the elements of conformational coupling and molecular mechanisms of regulation of the two groups of protein kinases by Ca2+ and Ca2+/calmodulin in plants.
Document ID
20050193465
Acquisition Source
Kennedy Space Center
Document Type
Reprint (Version printed in journal)
Authors
Sathyanarayanan, P. V.
(Washington State University Pullman, WA 99164-6414, United States)
Poovaiah, B. W.
Date Acquired
August 23, 2013
Publication Date
January 1, 2004
Publication Information
Publication: Critical reviews in plant sciences
Volume: 23
Issue: 1
ISSN: 0735-2689
Subject Category
Life Sciences (General)
Funding Number(s)
CONTRACT_GRANT: NAG10-0061
Distribution Limits
Public
Copyright
Other
Keywords
Non-NASA Center
Review
NASA Discipline Plant Biology

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