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Ann Bot. 2003 Oct;92(4):487-511. Epub 2003 Aug 21.

Calcium in plants.

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  • 1Horticulture Research International, Wellesbourne, Warwick CV35 9EF, UK. philip-j.white@hri.ac.uk

Abstract

Calcium is an essential plant nutrient. It is required for various structural roles in the cell wall and membranes, it is a counter-cation for inorganic and organic anions in the vacuole, and the cytosolic Ca2+ concentration ([Ca2+]cyt) is an obligate intracellular messenger coordinating responses to numerous developmental cues and environmental challenges. This article provides an overview of the nutritional requirements of different plants for Ca, and how this impacts on natural flora and the Ca content of crops. It also reviews recent work on (a) the mechanisms of Ca2+ transport across cellular membranes, (b) understanding the origins and specificity of [Ca2+]cyt signals and (c) characterizing the cellular [Ca2+]cyt-sensors (such as calmodulin, calcineurin B-like proteins and calcium-dependent protein kinases) that allow plant cells to respond appropriately to [Ca2+]cyt signals.

PMID:
12933363
[PubMed - indexed for MEDLINE]
PMCID:
PMC4243668
Free PMC Article
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