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Abstract

Ca2+ signals are a core regulator of plant cell physiology and cellular responses to the environment. The channels, pumps, and carriers that underlie Ca2+ homeostasis provide the mechanistic basis for generation of Ca2+ signals by regulating movement of Ca2+ ions between subcellular compartments and between the cell and its extracellular environment. The information encoded within the Ca2+ transients is decoded and transmitted by a toolkit of Ca2+-binding proteins that regulate transcription via Ca2+-responsive promoter elements and that regulate protein phosphorylation. Ca2+-signaling networks have architectural structures comparable to scale-free networks and bow tie networks in computing, and these similarities help explain such properties of Ca2+-signaling networks as robustness, evolvability, and the ability to process multiple signals simultaneously.

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/content/journals/10.1146/annurev-arplant-070109-104628
2010-06-02
2024-06-23
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  • Article Type: Review Article
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