Arsenic Accumulation in Rice and Probable Mitigation Approaches: A Review
AbstractAccording to recent reports, millions of people across the globe are suffering from arsenic (As) toxicity. Arsenic is present in different oxidative states in the environment and enters in the food chain through soil and water. In the agricultural field, irrigation with arsenic contaminated water, that is, having a higher level of arsenic contamination on the top soil, which may affects the quality of crop production. The major crop like rice (Oryza sativa L.) requires a considerable amount of water to complete its lifecycle. Rice plants potentially accumulate arsenic, particularly inorganic arsenic (iAs) from the field, in different body parts including grains. Different transporters have been reported in assisting the accumulation of arsenic in plant cells; for example, arsenate (AsV) is absorbed with the help of phosphate transporters, and arsenite (AsIII) through nodulin 26-like intrinsic protein (NIP) by the silicon transport pathway and plasma membrane intrinsic protein aquaporins. Researchers and practitioners are trying their level best to mitigate the problem of As contamination in rice. However, the solution strategies vary considerably with various factors, such as cultural practices, soil, water, and environmental/economic conditions, etc. The contemporary work on rice to explain arsenic uptake, transport, and metabolism processes at rhizosphere, may help to formulate better plans. Common agronomical practices like rain water harvesting for crop irrigation, use of natural components that help in arsenic methylation, and biotechnological approaches may explore how to reduce arsenic uptake by food crops. This review will encompass the research advances and practical agronomic strategies on arsenic contamination in rice crop. View Full-Text
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Mitra, A.; Chatterjee, S.; Moogouei, R.; Gupta, D.K. Arsenic Accumulation in Rice and Probable Mitigation Approaches: A Review. Agronomy 2017, 7, 67.
Mitra A, Chatterjee S, Moogouei R, Gupta DK. Arsenic Accumulation in Rice and Probable Mitigation Approaches: A Review. Agronomy. 2017; 7(4):67.Chicago/Turabian Style
Mitra, Anindita; Chatterjee, Soumya; Moogouei, Roxana; Gupta, Dharmendra K. 2017. "Arsenic Accumulation in Rice and Probable Mitigation Approaches: A Review." Agronomy 7, no. 4: 67.
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