globalchange  > 气候变化与战略
DOI: 10.1016/j.scitotenv.2019.135186
Regulatory mechanisms of nitrogen (N) on cadmium (Cd) uptake and accumulation in plants: A review
Author: Yang Y.; Xiong J.; Tao L.; Cao Z.; Tang W.; Zhang J.; Yu X.; Fu G.; Zhang X.; Lu Y.
Source Publication: Science of the Total Environment
ISSN: 489697
Publishing Year: 2020
Volume: 708
Language: 英语
Keyword: Ammonium ; Cadmium ; Cd-transporting transmembrane proteins ; Nitrate ; Nitric oxide ; Nitrogen
Scopus Keyword: Cadmium ; Cultivation ; Fertilizers ; Gene expression ; Heavy metals ; Nitrates ; Nitric oxide ; Nitrogen ; Pollution control ; Agricultural foods ; Agricultural sustainability ; Ammonium ; Exchange capacities ; Integrated interaction ; Regulatory mechanism ; Trans-membrane proteins ; Uptake and accumulations ; Health risks ; cadmium ; copper ; lead ; mercury ; natural resistance associated macrophage protein 1 ; natural resistance associated macrophage protein 2 ; nitrogen ; nitrogen fertilizer ; zinc ; ammonium ; bioaccumulation ; cadmium ; crop production ; gene expression ; nitrate ; nitric oxide ; nitrogen ; nutrient uptake ; protein ; soil pollution ; bioaccumulation ; bioavailability ; cation exchange ; cell isolation ; cell wall ; chelation ; cropland ; environmental impact ; food industry ; gene ; gene expression ; health hazard ; HMA2 gene ; IRT1 gene ; nitrogen uptake ; nonhuman ; Nramp1 gene ; oxidation ; phytotoxicity ; plant ; Populus ; potato ; priority journal ; regulatory mechanism ; Review ; rice ; risk reduction ; soil fertilization ; soil pollution ; tobacco ; wheat ; Animalia
English Abstract: Cadmium (Cd) is a heavy metal that is toxic to plants and animals. Nitrogen (N), the most significant macro-nutrient and a common input for crop production, is often excessively applied than plants’ demands by farmers to obtain more economic benefits. Understanding the regulatory mechanisms of N that control Cd uptake, translocation, and accumulation may enable the development of solutions regarding Cd pollution in the trophic chain, a major and global threat to agricultural sustainability and human health. In this review, we clarified that an increased amount of N, regardless of its form, enhances Cd uptake, translocation, and accumulation in plants, and nitrate promotes Cd uptake more than any other N form. We also described that N fertilizer alters the Cd exchange capacity and the bio-available Cd content in soil; regulates nitric oxide induced divalent cation gene expression of Nramp1, HMA2, and IRT1; and changes cell wall isolation, chelation capacity, and oxidative resistance to regulate Cd accumulation in plants. By revealing the integrated interaction effects between Cd accumulation and N fertiliser use, we propose new challenges to investigate the functions and mechanisms of N in Cd-contaminated croplands and develop suitable N-fertilisation protocols to practically reduce food health risks in agricultural food production. © 2019 Elsevier B.V.
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被引频次[WOS]:9   [查看WOS记录]     [查看WOS中相关记录]
Document Type: 期刊论文
Appears in Collections:气候变化与战略

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Affiliation: State Key Laboratory of Rice Biology, China National Rice Research Institute, 359 Tiyuchang Road, Hangzhou, 310006, China; College of Life Sciences and Medicine, Zhejiang Sci-Tech University, Hangzhou, 310018, China

Recommended Citation:
Yang Y.,Xiong J.,Tao L.,et al. Regulatory mechanisms of nitrogen (N) on cadmium (Cd) uptake and accumulation in plants: A review[J]. Science of the Total Environment,2020-01-01,708
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