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Plant Physiol. 2002 Jun;129(2):469-85.

Calcium signaling through protein kinases. The Arabidopsis calcium-dependent protein kinase gene family.

Author information

1
Department of Genetics, Harvard Medical School, MA 02114, USA.

Abstract

In plants, numerous Ca(2+)-stimulated protein kinase activities occur through calcium-dependent protein kinases (CDPKs). These novel calcium sensors are likely to be crucial mediators of responses to diverse endogenous and environmental cues. However, the precise biological function(s) of most CDPKs remains elusive. The Arabidopsis genome is predicted to encode 34 different CDPKs. In this Update, we analyze the Arabidopsis CDPK gene family and review the expression, regulation, and possible functions of plant CDPKs. By combining emerging cellular and genomic technologies with genetic and biochemical approaches, the characterization of Arabidopsis CDPKs provides a valuable opportunity to understand the plant calcium-signaling network.

PMID:
12068094
PMCID:
PMC1540234
DOI:
10.1104/pp.005645
[Indexed for MEDLINE]
Free PMC Article

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