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Molecular Plant Advance Access published online on January 6, 2009
Molecular Plant, doi:10.1093/mp/ssn091
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© The Author 2009. Published by the Molecular Plant Shanghai Editorial Office in association with Oxford University Press on behalf of CSPP and IPPE, SIBS, CAS.

Calcium and Calmodulin-Mediated Regulation of Gene Expression in Plants

Min Chul Kim1, Woo Sik Chung, Dae-Jin Yun and Moo Je Cho

Division of Applied Life Science (BK21 Program), Plant Molecular Biology and Biotechnology Research Center and Environmental Biotechnology National Core Research Center, Gyeongsang National University, Jinju 660-701, Korea

1 To whom correspondence should be addressed. E-mail mckim{at}gnu.ac.kr, fax +82-55-751 5420, tel. +82-55-751-5428.

Sessile plants have developed a very delicate system to sense diverse kinds of endogenous developmental cues and exogenous environmental stimuli by using a simple Ca2+ ion. Calmodulin (CaM) is the predominant Ca2+ sensor and plays a crucial role in decoding the Ca2+ signatures into proper cellular responses in various cellular compartments in eukaryotes. A growing body of evidence points to the importance of Ca2+ and CaM in the regulation of the transcriptional process during plant responses to endogenous and exogenous stimuli. Here, we review recent progress in the identification of transcriptional regulators modulated by Ca2+ and CaM and in the assessment of their functional significance during plant signal transduction in response to biotic and abiotic stresses and developmental cues.

Key Words: Abiotic/environmental stress • calcium signaling/transport • gene expression


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