Homeostasis of the micronutrients Ni, Mo and Cl with specific biochemical functions

Tipo de material: Texto

TextoSeries ; Current Opinion in Plant Biology, 12(3), p.358-363, 2009Trabajos contenidos:

Tejada-Jiménez, M
Galván, A
Fernández, E
Llamas, A

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Resumen: Homeostasis of three elements nickel, molybdenum and chloride is analysed. These micronutrients, at amounts varying in orders of magnitude, fulfil important cell functions. In general terms, cells use similar strategies to ensure that the elements are within physiological ranges avoiding high toxic concentrations. These strategies correspond to specific carriers, channels and pumps, intermediate steps (chelating/ sequestration/binding/metabolic conversion/storage), final steps related to specific enzyme functionality and putative sensing proteins. Single cell homeostasis, coordinated with an efficient redistribution by xylem loading, ensures in turn homeostasis at the whole plant level. Recent advances are based on the molecular identification of some key components

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Documentos solicitados	CICY Documento préstamo interbibliotecario	Ref1	B-11164 (Browse shelf(Opens below))	Available

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Previous	B-11161 Root uptake regulation: a central process for NPS homeostasis in plants	B-11162 Potassium nutrition, sodium toxicity, and calcium signaling: connections through the CBL-CIPK network	B-11163 Essential transition metal homeostasis in plants	B-11164 Homeostasis of the micronutrients Ni, Mo and Cl with specific biochemical functions	B-11165 Mechanisms to cope with arsenic or cadmium excess in plants	B-11166 Biofortification and phytoremediation	B-11167 Ionomics: studying the social network of mineral nutrients	Next

Homeostasis of three elements nickel, molybdenum and chloride is analysed. These micronutrients, at amounts varying in orders of magnitude, fulfil important cell functions. In general terms, cells use similar strategies to ensure that the elements are within physiological ranges avoiding high toxic concentrations. These strategies correspond to specific carriers, channels and pumps, intermediate steps (chelating/ sequestration/binding/metabolic conversion/storage), final steps related to specific enzyme functionality and putative sensing proteins. Single cell homeostasis, coordinated with an efficient redistribution by xylem loading, ensures in turn homeostasis at the whole plant level. Recent advances are based on the molecular identification of some key components

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