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:
Journal Article
Journal or Publication Title:
Trends in Plant Science
Uncontrolled Keywords:
/dk/atira/pure/subjectarea/asjc/1100/1110
Subjects:
?? plant science ??
ID Code:
53856
Deposited By:
Deposited On:
27 Apr 2012 15:26
Refereed?:
Yes
Published?:
Published
Last Modified:
15 Jul 2024 12:46