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Selenium in higher plants: understanding mechanisms for biofortification and phytoremediation

Zhu, Yong-Guan and Pilon-Smits, Elizabeth A.H. and Zhao, Fang-Jie and Williams, Paul N. and Meharg, Andrew A. (2009) Selenium in higher plants: understanding mechanisms for biofortification and phytoremediation. Trends in Plant Science, 14 (8). pp. 436-442. ISSN 1360-1385

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Abstract

Selenium (Se) is an essential micronutrient for many organisms, including plants, animals and humans. As plants are the main source of dietary Se, plant Se metabolism is therefore important for Se nutrition of humans and other animals. However, the concentration of Se in plant foods varies between areas, and too much Se can lead to toxicity. As we discuss here, plant Se uptake and metabolism can be exploited for the purposes of developing high-Se crop cultivars and for plant-mediated removal of excess Se from soil or water. Here, we review key developments in the current understanding of Se in higher plants. We also discuss recent advances in the genetic engineering of Se metabolism, particularly for biofortification and phytoremediation of Se-contaminated environments.

Item Type: Article
Journal or Publication Title: Trends in Plant Science
Subjects: UNSPECIFIED
Departments: Faculty of Science and Technology > Lancaster Environment Centre
ID Code: 53856
Deposited By: ep_importer_pure
Deposited On: 27 Apr 2012 16:26
Refereed?: Yes
Published?: Published
Last Modified: 09 Apr 2014 23:23
Identification Number:
URI: http://eprints.lancs.ac.uk/id/eprint/53856

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