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Research Advances in Cadmium Uptake, Transport and Resistance in Rice (Oryza sativa L.)

by 1,2,†, 1,2,†, 3, 1,4, 1,2, 1,2,* and 1,4
1
National Key Laboratory of Crop Genetic Improvement, Huazhong Agricultural University, Wuhan 430070, China
2
MOA Key Laboratory of Crop Ecophysiology and Farming System in the Middle Reaches of the Yangtze River, College of Plant Science and Technology, Huazhong Agricultural University, Wuhan 430070, China
3
Agro-Products Processing Research Institute, Yunnan Academy of Agricultural Sciences, Kunming 650221, China
4
College of Life Science and Technology, Huazhong Agricultural University, Wuhan 430070, China
*
Author to whom correspondence should be addressed.
These authors contributed equally to the work.
Academic Editor: M. Margarida Oliveira
Cells 2022, 11(3), 569; https://doi.org/10.3390/cells11030569
Received: 27 December 2021 / Revised: 21 January 2022 / Accepted: 1 February 2022 / Published: 6 February 2022
(This article belongs to the Section Plant, Algae and Fungi Cell Biology)
Rice (Oryza sativa L.) is one of the most important food crops, feeding half of the world’s population. However, rice production is affected by cadmium (Cd) toxicity. Due to an increase in Cd-contaminated soil and rice grains, and the serious harm to human health from Cd, research on Cd uptake, transport and resistance in rice has been widely conducted, and many important advances have been made. Rice plants absorb Cd mainly from soil through roots, which is mediated by Cd absorption-related transporters, including OsNramp5, OsNramp1, OsCd1, OsZIP3, OsHIR1,OsIRT1 and OsIRT2. Cd uptake is affected by soil’s environmental factors, such as the concentrations of Cd and some other ions in soil, soil properties, and other factors can affect the bioavailability of Cd in soil. Then, Cd is transported within rice plants mediated by OsZIP6, OsZIP7, OsLCD, OsHMA2, CAL1, OsCCX2, OsLCT1 and OsMTP1, from roots to shoots and from shoots to grains. To resist Cd toxicity, rice has evolved many resistance strategies, including the deposition of Cd in cell walls, vacuolar Cd sequestration, Cd chelation, antioxidation and Cd efflux. In addition, some unresolved scientific questions surrounding Cd uptake, transport and resistance in rice are proposed for further study. View Full-Text
Keywords: cadmium; uptake; transport; Cd deposition; vacuolar sequestration; chelation; antioxidation; efflux cadmium; uptake; transport; Cd deposition; vacuolar sequestration; chelation; antioxidation; efflux
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MDPI and ACS Style

Zhang, J.; Zhu, Y.; Yu, L.; Yang, M.; Zou, X.; Yin, C.; Lin, Y. Research Advances in Cadmium Uptake, Transport and Resistance in Rice (Oryza sativa L.). Cells 2022, 11, 569. https://doi.org/10.3390/cells11030569

AMA Style

Zhang J, Zhu Y, Yu L, Yang M, Zou X, Yin C, Lin Y. Research Advances in Cadmium Uptake, Transport and Resistance in Rice (Oryza sativa L.). Cells. 2022; 11(3):569. https://doi.org/10.3390/cells11030569

Chicago/Turabian Style

Zhang, Jialiang, Yanchun Zhu, Lijuan Yu, Meng Yang, Xiao Zou, Changxi Yin, and Yongjun Lin. 2022. "Research Advances in Cadmium Uptake, Transport and Resistance in Rice (Oryza sativa L.)" Cells 11, no. 3: 569. https://doi.org/10.3390/cells11030569

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