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Type: Journal article
Title: Characterization of GmCaMK1, a member of a soybean calmodulin-binding receptor-like kinase family
Author: DeFalco, T.
Chiasson, D.
Munro, K.
Kaiser, B.
Snedden, W.
Citation: FEBS Letters, 2010; 584(23):4717-4724
Publisher: Elsevier Science BV
Issue Date: 2010
ISSN: 0014-5793
Statement of
Thomas A. DeFalco, David Chiasson, Kim Munro, Brent N. Kaiser and Wayne A. Snedden
Abstract: Calmodulin(CaM)-regulated protein phosphorylation forms an important component of Ca(2+) signaling in animals but is less understood in plants. We have identified a CaM-binding receptor-like kinase from soybean nodules, GmCaMK1, a homolog of Arabidopsis CRLK1. We delineated the CaM-binding domain (CaMBD) of GmCaMK1 to a 24-residue region near the C-terminus, which overlaps with the kinase domain. We have demonstrated that GmCaMK1 binds CaM with high affinity in a Ca(2+)-dependent manner. We showed that GmCaMK1 is expressed broadly across tissues and is enriched in roots and developing nodules. Finally, we examined the CaMBDs of the five-member GmCaMK family in soybean, and orthologs present across taxa.
Keywords: Calcium
Signal transduction
CaM-binding protein
Receptor-like kinase
Glycine max
Rights: Copyright 2010 Federation of European Biochemical Societies. Published by Elsevier B.V. All rights reserved.
DOI: 10.1016/j.febslet.2010.10.059
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