K+ channel activity in plants: genes, regulations and functions |
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Authors: | Lebaudy Anne Véry Anne-Aliénor Sentenac Hervé |
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Institution: | Biochimie et Physiologie Moléculaire des Plantes, UMR 5004, CNRS/INRA/Monptellier SupAgro/UM2, 1 Place Viala, 34060 Montpellier Cedex 1, France. lebaudy@supagro.inra.fr |
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Abstract: | Potassium (K(+)) is the most abundant cation in the cytosol, and plant growth requires that large amounts of K(+) are transported from the soil to the growing organs. K(+) uptake and fluxes within the plant are mediated by several families of transporters and channels. Here, we describe the different families of K(+)-selective channels that have been identified in plants, the so-called Shaker, TPK and Kir-like channels, and what is known so far on their regulations and physiological functions in the plant. |
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Keywords: | ABA abscisic acid |
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