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Trends Plant Sci. 2002 Jul;7(7):309-15.

A long way ahead: understanding and engineering plant metal accumulation.

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Leibniz Institute of Plant Biochemistry, Weinberg 3, D-06120 Halle, Germany.


Some plants can hyperaccumulate metal ions that are toxic to virtually all other organisms at low dosages. This trait could be used to clean up metal-contaminated soils. Moreover, the accumulation of heavy metals by plants determines both the micronutrient content and the toxic metal content of our food. Complex interactions of transport and chelating activities control the rates of metal uptake and storage. In recent years, several key steps have been identified at the molecular level, enabling us to initiate transgenic approaches to engineer the transition metal content of plants.

[Indexed for MEDLINE]

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