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Ann Bot. 2003 Oct;92(4):477-85. Epub 2003 Aug 21.

Encoding specificity in plant calcium signalling: hot-spotting the ups and downs and waves.

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1
Department of Botany, University College Dublin, Belfield, Dublin 4, Republic of Ireland.

Abstract

Calcium ions function as intracellular second messengers in regulating a plethora of cellular processes from acclimative stress responses to survival and programmed cell death. The generation of specificity in Ca2+ signals is dependent on influx and efflux from the extracellular milieu, cytosol and intracellular organelles. One aspect of plant Ca2+ signalling that is currently attracting a great deal of interest is how 'Ca2+-signatures', specific spatio-temporal changes in cytosolic-free Ca2+, encode the necessary information to bring about this range of physiological responses. Here, current information is reviewed on how Ca2+-signatures are generated in plant cells and how stimulus-specific information can be encoded in the form of Ca2+-signatures.

PMID:
12933365
PMCID:
PMC4243675
DOI:
10.1093/aob/mcg173
[Indexed for MEDLINE]
Free PMC Article
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