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The beneficial and hazardous effects of selenium on the health of the soil-plant-human system: An overview

Title
The beneficial and hazardous effects of selenium on the health of the soil-plant-human system: An overview
Authors
Yang, HuiYang, XuefengNing, ZengpingKwon, Sae YunLi, Mi-LingTack, Filip M.G.Kwon, Eilhann E.Rinklebe, JörgYin, Runsheng
Date Issued
2022-01
Publisher
Elsevier BV
Abstract
Selenium (Se), which can be both hazardous and beneficial to plants, animals and humans, plays a pivotal role in regulating soil-plant-human ecosystem functions. The biogeochemical behavior of Se and its environmental impact on the soil-plant-human system has received broad attention in the last decades. This review provides a comprehensive understanding of Se biogeochemistry in the soil-plant-human system. The speciation, transformation, bioavailability as well as the beneficial and hazardous effects of Se in the soil-plant-human system are summarized. Several important aspects in Se in the soil-plant-human system are detailed mentioned, including (1) strategies for biofortification in Se-deficient areas and phytoremediation of soil Se in seleniferous areas; (2) factors affecting Se uptake and transport by plants; (3) metabolic pathways of Se in the human body; (4) the interactions between Se and other trace elements in plant and animals, in particular, the detoxification of heavy metals by Se. Important research hotspots of Se biogeochemistry are outlined, including (1) the coupling of soil microbial activity and the Se biogeochemical cycle; (2) the molecular mechanism of Se metabolic in plants and animals; and (3) the application of Se isotopes as a biogeochemical tracer in research. This review provides up-to-date knowledge and guidelines on Se biogeochemistry research.
URI
/home/dspace/dspace56/handle/2014.oak/107083
ISSN
0304-3894
Article Type
Article
Citation
Journal of Hazardous Materials, vol. 422, 2022-01
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