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Stable isotope fractionation during uptake and translocation of cadmium by tolerant&IT Ricinus communis &ITand hyperaccumulator&IT Solanum nigrum&IT as influenced by EDTA
Wei, Rongfei1; Guo, Qingjun1,2; Yu, Guirui1; Kong, Jing1; Li, Siliang3; Song, Zhaoliang3; Hu, Jian4; Tian, Liyan1; Han, Xiaokun1,3; Okoli, Chukwunonso Peter1,5
2018-05-01
Source PublicationENVIRONMENTAL POLLUTION
ISSN0269-7491
Volume236Pages:634-644
Corresponding AuthorGuo, Qingjun(guoqj@igsnrr.ac.cn)
AbstractThe isotopic fractionation could contribute to understanding the Cd accumulation mechanisms in plant species. However, there are few of systematical investigations with regards to the Cd isotope fractionation in hyperaccumulator plants. The Cd tolerant Ricinus communis and hyperaccumulator Solanum nigrum were cultivated in nutrient solutions with varying Cd and EDTA concentrations. Cd isotope ratios were determined in the solution, root, stem and leaf. The two investigated plants were systematically enriched in light isotopes relative to their solutions (Delta Cd-114/110(plant-solution)= -0.64 parts per thousand to -0.29 parts per thousand for R. communis and -0.84 parts per thousand to -031 parts per thousand for S. nigrum). Cd isotopes were markedly fractionated among the plant tissues. For both plant species, an enrichment in light Cd isotopes from solution to root was noted, followed by a slight depletion in light Cd isotopes from root to shoot. Noticeably, the chelation process has caused lighter Cd isotope enrichment in the root of R. communis and S. nigrum. Further, the good fits between Delta Cd-114/110(root-plant) and In F-root (or between Delta Cd-114/110(shoot-plant) and In F-shoot) indicate that Cd isotopic signatures can be used to study Cd transportation during the metabolic process of plants. This study suggests that knowledge of the Cd isotope ratios could also provide new tool for identifying the Cd-avoiding crop cultivars. (C) 2018 Elsevier Ltd. All rights reserved.
KeywordCd Isotope fractionation Ricinus communis Solanum nigrum EDTA
DOI10.1016/j.envpol.2018.01.103
WOS KeywordAFFINITY ZINC TRANSPORT ; SPIKE MC-ICPMS ; HIGHER-PLANTS ; HEAVY-METALS ; NOCCAEA-CAERULESCENS ; ARABIDOPSIS-HALLERI ; LEAD ISOTOPES ; ALPINE PLANTS ; CD ; ZN
Indexed BySCI
Language英语
Funding ProjectNational Natural Science Foundation of China[41603012] ; National Natural Science Foundation of China[41625006] ; National Natural Science Foundation of China[91644104] ; China Postdoctoral Science Foundation[2016M600122] ; Development Services of Featured Institute of Chinese Academy of Sciences[TSYJS01]
Funding OrganizationNational Natural Science Foundation of China ; China Postdoctoral Science Foundation ; Development Services of Featured Institute of Chinese Academy of Sciences
WOS Research AreaEnvironmental Sciences & Ecology
WOS SubjectEnvironmental Sciences
WOS IDWOS:000429187500066
PublisherELSEVIER SCI LTD
Citation statistics
Cited Times:2[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.igsnrr.ac.cn/handle/311030/57445
Collection中国科学院地理科学与资源研究所
Corresponding AuthorGuo, Qingjun
Affiliation1.Chinese Acad Sci, Inst Geog Sci & Nat Resources Res, Beijing, Peoples R China
2.Univ Chinese Acad Sci, Coll Resources & Environm, Beijing, Peoples R China
3.Tianjin Univ, Inst Surface Earth Syst Sci, Tianjin, Peoples R China
4.Chinese Acad Sci, Inst Geochem, Guiyang, Guizhou, Peoples R China
5.Fed Univ Ndufu Allike Ikwo, Ikwo, Ebonyi State, Nigeria
Recommended Citation
GB/T 7714
Wei, Rongfei,Guo, Qingjun,Yu, Guirui,et al. Stable isotope fractionation during uptake and translocation of cadmium by tolerant&IT Ricinus communis &ITand hyperaccumulator&IT Solanum nigrum&IT as influenced by EDTA[J]. ENVIRONMENTAL POLLUTION,2018,236:634-644.
APA Wei, Rongfei.,Guo, Qingjun.,Yu, Guirui.,Kong, Jing.,Li, Siliang.,...&Okoli, Chukwunonso Peter.(2018).Stable isotope fractionation during uptake and translocation of cadmium by tolerant&IT Ricinus communis &ITand hyperaccumulator&IT Solanum nigrum&IT as influenced by EDTA.ENVIRONMENTAL POLLUTION,236,634-644.
MLA Wei, Rongfei,et al."Stable isotope fractionation during uptake and translocation of cadmium by tolerant&IT Ricinus communis &ITand hyperaccumulator&IT Solanum nigrum&IT as influenced by EDTA".ENVIRONMENTAL POLLUTION 236(2018):634-644.
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