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Indian Journal of Agricultural Biochemistry
Year : 2011, Volume : 24, Issue : 1
First page : ( 1) Last page : ( 16)
Print ISSN : 0970-6399. Online ISSN : 0974-4479.

Calcium Signaling in Plants

Reddy ASN, Day Irene S

Department of Biology, Program in Molecular Plant Biology, Program in Cell and Molecular Biology, Colorado State University, Fort Collins, CO, 80523, USA. reddy@lamar.colostate.edu

Received:  09  May,  2011; Accepted:  22  May,  2011.

Abstract

The growth and development of plants and eventually their productivity are profoundly impacted by internal signals such as hormones and by the environment in which they grow. Research during the last three decades has established that calcium is widely used as a messenger in transmitting growth and developmental cues and stress signals into appropriate responses. Many signals cause rapid stimulus-specific changes in cellular Ca2+, which are referred to as “Ca2+ signatures”. The changes in cellular Ca2+ are sensed by plethora of Ca2+ sensors, which regulate diverse cellular responses. Functional analyses of Ca2+ sensors and their target proteins are providing a glimpse into how this simple ion regulates diverse cellular processes. Here we present an overview of Ca2+ signaling in plants and summarize recent progress in this area.

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Key words

Calcium, Calcium sensors, calmodulin, signaling, plants, calmodulin binding proteins.

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