The uptake and detoxification of antimony by plants: A review |
| |
| Institution: | 1. Institute of Agro-Environmental Protection, The Ministry of Agriculture, Tianjin 300191, China;2. Institute of Geographic Sciences and Natural Resources Research, Chinese Academy of Sciences, Beijing 100101, China;3. College of Resources and Environment, Huazhong Agricultural University, Wuhan 430070, China;1. Key Laboratory of Land Surface Pattern and Simulation, Institute of Geographic Sciences and Natural Resources Research, Chinese Academy of Sciences, Beijing 100101, China;2. University of the Chinese Academy of Sciences, Beijing 100049, China;3. Hebei University, Baoding 071002, China;4. National Synchrotron Radiation Laboratory, University of Science and Technology of China, Hefei 230029, China;5. Institute of Agro-Environmental Protection, Ministry of Agriculture, Tianjin 300191, China;1. Institute of Environmental Engineering, School of Metallurgy and Environment, Central South University, Changsha 410083 (China);2. Environmental Monitoring Center Station of Hunan Province, Changsha 410004 (China);3. State Environmental Protection Key Laboratory of Heavy Metal Pollution Monitoring, Changsha 410004 (China);1. Key Laboratory of Soil Environment and Pollution Remediation, Institute of Soil Science, Chinese Academy of Sciences, Nanjing, 210008, China;2. Geological Survey of Jiangsu Province, Nanjing, 210018, China;3. University of Chinese Academy of Sciences, Beijing, 100049, China;4. Nanjing Institute of Environmental Science, State Environmental Protection Administration, Nanjing, 210042, China;1. Key Laboratory of Soil Environment and Pollution Remediation, Institute of Soil Science, Chinese Academy of Sciences, Nanjing 210008, China;2. University of Chinese Academy of Sciences, Beijing 100049, China;3. Institute of Terrestrial Ecosystems, ETH Zürich, Universitätstrasse 16, 8092 Zürich, Switzerland;1. Department of Genetic Engineering and Biotechnology, Shahjalal University of Science and Technology, Sylhet 3114, Bangladesh;2. Forensic DNA Laboratory of Bangladesh Police, Malibagh, Dhaka 1000, Bangladesh;3. Department of Genetic Engineering and Biotechnology, University of Chittagong, Chittagong 4331, Bangladesh;4. Department of Life Science and Biotechnology, Shimane University, Shimane 690-8504, Japan;1. School of Geography and Tourism, Qufu Normal University, Rizhao 276826, China;2. School of Environment, Tsinghua University, Beijing 100084, China;3. Changshushi Middle School, Changshu 215500, China |
| |
| Abstract: | Many crops cultivated in mining areas have been found to accumulate high levels of antimony (Sb) in their edible parts, thereby causing potential risks to human health. Understanding the behaviours of Sb in plants is important, particularly the mechanisms involved in its uptake, toxicity, detoxification and accumulation in crops. Many factors affect the uptake of Sb in plants, including water management, Sb speciation and some coexisting ions in soils. At present, the mechanisms of Sb uptake by plants have not been fully elucidated so far. The uptake of Sb has been proposed to occur mainly through the passive pathway; however, it is possible that an active pathway exists as well. Antimony can damage plants, including growth retardation, inhibition of photosynthesis, decreases in the uptake of certain essential elements and decreases in the synthesis of certain metabolites. Plants often have defence mechanisms to alleviate Sb toxicity; e.g., a highly efficient antioxidative system and the ability to immobilise Sb in the cell wall or compartmentalise Sb in the cytosol. Such mechanisms have been widely reported in Sb-tolerant and Sb-accumulating plants. In view of the above knowledge, several questions remain: (1) What is the actual uptake pathway of Sb in plants? (2) Does Sb participate in redox reactions within plants? (3) What is the role of metabolic reactions of Sb in Sb toxicity to plants? (4) Can Sb be methylated, and if so, how? (5) How does Sb induce bursts of reactive oxidative species (ROS)? |
| |
| Keywords: | Antimony Speciation transformation Toxicity Plants Absorption |
| 本文献已被 ScienceDirect 等数据库收录！ |
|
