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Toxicidad del cadmio en plantas

Authors: Rodríguez Serrano, María; Martínez de la Casa, Nieves; Romero Puertas, María C.; Río Legazpi, Luis Alfonso del; Sandalio González, Luisa María;

Toxicidad del cadmio en plantas

Abstract

El cadmio es un metal pesado no esencial y poco abundante en la corteza terrestre, sin embargo en las últimas décadas ha aumentado considerablemente su acumulación, como consecuencia de la actividad industrial. La contaminación por cadmio puede causar serios problemas a todos los organismos vivos, resultando altamente tóxico para el ser humano. Una posible fuente de contaminación por cadmio en humanos es la ingesta de plantas contaminadas por el metal. Por este motivo, es importante conocer cuales son los mecanismos de toxicidad del metal en la planta, así como los mecanismos de defensa de la misma. En este trabajo, se ha realizado una revisión de las principales fuentes de contaminación por cadmio, de la toxicidad del metal y de los mecanismos de hiperacumulación y fitoextracción de cadmio.

Cadmium is a non essential and relative rare heavy metal in the earth, although in recent decades its accumulation increased considerably as a consequence of the industrial activity. Cadmium contamination can causes severe problems for living organisms, and can be highly toxic to humans. Humans can be affected by cadmium through ingestion of contaminated vegetables. For this reason, it is important to find out the mechanisms involved in both the toxicity of this metal and defence mechanisms in plants. In this work, the main Cd contamination sources, and the mechanisms involved in metal toxicity, hyperaccumulation and phytoextraction of Cd is reviewed.

Este trabajo ha sido financiado por el Ministerío de Educación y Ciencia (Proyecto BIO2005-03305) y la Junta de Andalucía (Grupo de Investigación CVI 0192).

Country
Spain
Related Organizations
Keywords

Cadmio, Contaminación, Estrés oxidativo, Fitorremediación, Phytoremediation, Environmental sciences, Hiperacumulación, Contamination, Oxidative stress, Hyperaccumulation, GE1-350, Tolerance, Tolerancia, Cadmium

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
Average
Average
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