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Signalling by potassium: another second messenger to add to the list?

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Shabala, S ORCID: 0000-0003-2345-8981 2017 , 'Signalling by potassium: another second messenger to add to the list?' , Journal of Experimental Botany, vol. 68, no. 15 , pp. 4003-4007 , doi: 10.1093/jxb/erx238.

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Abstract

Cytosolic potassium homeostasis and the ability of various tissues to retain potassium under stress have emerged as important for salinity tolerance in plants, but recent evidence suggests that stress-induced K+ efflux may be equally important in mediating growth and development under hostile conditions. Here, the evidence is assessed, and the already-proposed concept of potassium efflux being a switch between metabolic and defence responses is developed. A new model is put forward which suggests signalling roles for cytosolic K+ changes, alongside well-known cytosolic Ca2+ and ROS ‘signatures’.

Item Type: Article
Authors/Creators:Shabala, S
Keywords: potassium, stress, signalling
Journal or Publication Title: Journal of Experimental Botany
Publisher: Oxford Univ Press
ISSN: 0022-0957
DOI / ID Number: 10.1093/jxb/erx238
Copyright Information:

© The Author 2017. Published by Oxford University Press on behalf of the Society for Experimental Biology. Licensed under Creative Commons Attribution 4.0 International (CC BY 4.0) http://creativecommons.org/licenses/by/4.0/

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