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Arsenic transport and interaction with plant metabolism: Clues for improving agricultural productivity and food safety

Zhang, J, Hamza, A, Xie, Z, Hussain, S, Brestic, M, Tahir, MA, Ulhassan, Z, Yu, M, Allakhverdiev, SI and Shabala, S ORCID: 0000-0003-2345-8981 2021 , 'Arsenic transport and interaction with plant metabolism: Clues for improving agricultural productivity and food safety' , Environmental Pollution, vol. 290 , pp. 1-10 , doi: 10.1016/j.envpol.2021.117987.

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Arsenic (As) is a ubiquitous metalloid that is highly toxic to all living organisms. When grown in As-contaminated soils, plants may accumulate significant amounts of As in the grains or edible shoot parts which then enter a food chain. Plant growth and development per se are also both affected by arsenic. These effects are traditionally attributed to As-induced accumulation of reactive oxygen species (ROS) and a consequent lipid peroxidation and damage to cellular membranes. However, this view is oversimplified, as As exposure have a major impact on many metabolic processes in plants, including availability of essential nutrients, photosynthesis, carbohydrate metabolism, lipid metabolism, protein metabolism, and sulfur metabolism. This review is aimed to fill this gap in the knowledge. In addition, the molecular basis of arsenic uptake and transport in plants and prospects of creating low As-accumulating crop species, for both agricultural productivity and food safety, are discussed.

Item Type: Article
Authors/Creators:Zhang, J and Hamza, A and Xie, Z and Hussain, S and Brestic, M and Tahir, MA and Ulhassan, Z and Yu, M and Allakhverdiev, SI and Shabala, S
Keywords: environmental pollution, arsenate, arsenite phosphate transporters, aquaporins, sequestration, phytochelatin, arsenic, metabolism, ROS, membrane, transport
Journal or Publication Title: Environmental Pollution
Publisher: Elsevier Sci Ltd
ISSN: 0269-7491
DOI / ID Number: 10.1016/j.envpol.2021.117987
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© 2021 Elsevier Ltd. All rights reserved.

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