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Biochim Biophys Acta. 2006 Jul;1763(7):595-608. Epub 2006 Jun 2.

Molecular aspects of Cu, Fe and Zn homeostasis in plants.

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Dartmouth College, Biological Sciences, 304 Gilman, Hanover, NH 03755, USA.


Proper metal transport and homeostasis are critical for the growth and development of plants. In order to potentially fortify plants pre-harvest with essential metals in aid of human nutrition, we must understand not only how metals enter the plant but also how metals are then delivered to the edible portions of the plant such as the seed. In this review, we focus on three metals required by both plants and humans: Cu, Fe and Zn. In particular, we present the current understanding of the molecular mechanisms of Cu, Fe and Zn transport, including aspects of uptake, distribution, chelation and/or sequestration.

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