Artículo
Regulation of K+ Nutrition in Plants
Autor/es | Ragel de la Torre, Paula
Raddatz, Natalia Leidi Montes, Eduardo Oscar Quintero, Francisco Javier Pardo, José María |
Departamento | Universidad de Sevilla. Departamento de Bioquímica Vegetal y Biología Molecular |
Fecha de publicación | 2019 |
Fecha de depósito | 2019-04-09 |
Publicado en |
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Resumen | Modern agriculture relies on mineral fertilization. Unlike other major macronutrients, potassium (K+) is not incorporated into organic matter but remains as soluble ion in the cell sap contributing up to 10% of the dry ... Modern agriculture relies on mineral fertilization. Unlike other major macronutrients, potassium (K+) is not incorporated into organic matter but remains as soluble ion in the cell sap contributing up to 10% of the dry organic matter. Consequently, K+ constitutes a chief osmoticum to drive cellular expansion and organ movements, such as stomata aperture. Moreover, K+ transport is critical for the control of cytoplasmic and luminal pH in endosomes, regulation of membrane potential, and enzyme activity. Not surprisingly, plants have evolved a large ensemble of K+ transporters with defined functions in nutrient uptake by roots, storage in vacuoles, and ion translocation between tissues and organs. This review describes critical transport proteins governing K+ nutrition, their regulation, and coordinated activity, and summarizes our current understanding of signaling pathways activated by K+ starvation. |
Identificador del proyecto | BIO2015-70946-R
BFU2015-64671-R BIO2016-81957-REDT PJ01318205 |
Cita | Ragel de la Torre, P., Raddatz, N., Leidi Montes, E.O., Quintero, F.J. y Pardo, J.M. (2019). Regulation of K+ Nutrition in Plants. Frontiers in Plant Science, 10 (281), 1-21. |
Ficheros | Tamaño | Formato | Ver | Descripción |
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Regulation of k+.pdf | 1.097Mb | [PDF] | Ver/ | |