A Review of Mercury Uptake, Transport and Bioaccumulation in Rice

Rice, one of the major food crops worldwide, has a crucial position in the health and development of society. However, Hg bioconcentrated through rice may cause hazards to consumers due to exposure to Hg from anthropogenic as well as natural sources, although the risk level depends on the chemical form of Hg in rice grains. To clarify the transformation and transport of Hg in rice-field systems, the processes and mechanisms of Hg uptake by rice, and the factors that affect uptake are considered critical for the development of potential alleviation strategies. Therefore, this review first briefly introduced Hg species in rice soils; then, the pathways of Hg uptake by rice and the endogenous and environmental factors affecting the uptake were deeply approached, to elucidate the mechanisms. Finally, the bioconcentration and distribution patterns of Hg in various tissues of rice were summarized. This will provide an effective reference for the development of reasonable and effective Hg pollution control strategies in the future.

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This project has received funding from the European Union's Horizon 2020 research and innovation programme under grant agreement Nº 768737


                   




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