| Tissue Fractions of Cadmium in Two Hyperaccumulating Jerusalem Artichoke Genotypes | |
| Long, Xiaohua1; Ni, Ni1,2; Liu, Zhaopu1; Rengel, Zed3; Jiang, Xin2; Shao, Hongbo1,4; Liu, ZP (reprint author), Nanjing Agr Univ, Coll Resources & Environm Sci, Jiangsu Prov Key Lab Marine Biol, Nanjing 210095, Jiangsu, Peoples R China. zhaopuliu@163.com; shaohongbochu@126.com | |
| 发表期刊 | SCIENTIFIC WORLD JOURNAL
 |
| ISSN | 1537-744X |
| 2014 | |
| 页码 | 421249 |
| 关键词 | Heavy-metal Accumulation Subcellular-distribution Contaminated Soils Chemical Form Phytoremediation Plants Translocation Localization Tolerance Growth |
| DOI | 10.1155/2014/421249 |
| 产权排序 | [Long, Xiaohua; Ni, Ni; Liu, Zhaopu; Shao, Hongbo] Nanjing Agr Univ, Coll Resources & Environm Sci, Jiangsu Prov Key Lab Marine Biol, Nanjing 210095, Jiangsu, Peoples R China; [Ni, Ni; Jiang, Xin] Chinese Acad Sci, Inst Soil Sci, State Key Lab Soil & Sustainable Agr, Nanjing 210008, Jiangsu, Peoples R China; [Rengel, Zed] Univ Western Australia, Sch Earth & Environm, Crawley, WA 6009, Australia; [Shao, Hongbo] Chinese Acad Sci, Yantai Inst Coastal Zone Res YIC, Key Lab Coastal Biol & Bioresources Utilizat, Yantai 264003, Peoples R China |
| 作者部门 | 海岸带生物学与生物资源利用所重点实验室 |
| 英文摘要 | In order to investigate the mechanisms in two Jerusalem artichoke (Helianthus tuberosus L.) genotypes that hyperaccumulate Cd, a sand-culture experiment was carried out to characterize fractionation of Cd in tissue of Cd-hyperaccumulating genotypes NY2 and NY5. The sequential extractants were: 80% v/v ethanol (FE), deionized water (F-W), 1M NaCl (F-NaCl), 2% v/v acetic acid (F-Acet), and 0.6M HCl (F-HCl). After 20 days of treatments, NY5 had greater plant biomass and greater Cd accumulation in tissues than NY2. In both genotypes the FNaCl fraction was the highest in roots and stems, whereas the FAcet and FHCl fractions were the highest in leaves. With an increase in Cd concentration in the culture solution, the content of every Cd fraction also increased. The FW and FNaCl ratios in roots were lower in NY5 than in NY2, while the amount of other Cd forms was higher. It implied that, in high accumulator, namely, NY5, the complex of insoluble phosphate tends to be shaped more easily which was much better for Cd accumulation. Besides, translocation from plasma to vacuole after combination with protein may be one of the main mechanisms in Cd-accumulator Jerusalem artichoke genotypes.; In order to investigate the mechanisms in two Jerusalem artichoke (Helianthus tuberosus L.) genotypes that hyperaccumulate Cd, a sand-culture experiment was carried out to characterize fractionation of Cd in tissue of Cd-hyperaccumulating genotypes NY2 and NY5. The sequential extractants were: 80% v/v ethanol (FE), deionized water (F-W), 1M NaCl (F-NaCl), 2% v/v acetic acid (F-Acet), and 0.6M HCl (F-HCl). After 20 days of treatments, NY5 had greater plant biomass and greater Cd accumulation in tissues than NY2. In both genotypes the FNaCl fraction was the highest in roots and stems, whereas the FAcet and FHCl fractions were the highest in leaves. With an increase in Cd concentration in the culture solution, the content of every Cd fraction also increased. The FW and FNaCl ratios in roots were lower in NY5 than in NY2, while the amount of other Cd forms was higher. It implied that, in high accumulator, namely, NY5, the complex of insoluble phosphate tends to be shaped more easily which was much better for Cd accumulation. Besides, translocation from plasma to vacuole after combination with protein may be one of the main mechanisms in Cd-accumulator Jerusalem artichoke genotypes. |
| 文章类型 | Article |
| 资助机构 | Science & Technology - Other Topics |
| 收录类别 | SCI |
| 语种 | 英语 |
| 关键词[WOS] | HEAVY-METAL ACCUMULATION ; SUBCELLULAR-DISTRIBUTION ; CONTAMINATED SOILS ; CHEMICAL FORM ; PHYTOREMEDIATION ; PLANTS ; TRANSLOCATION ; LOCALIZATION ; TOLERANCE ; GROWTH |
| 研究领域[WOS] | Science & Technology - Other Topics |
| WOS记录号 | WOS:000335052400001 |
| 引用统计 | |
| 文献类型 | 期刊论文 |
| 条目标识符 | http://ir.yic.ac.cn/handle/133337/8581 |
| 专题 | 海岸带生物学与生物资源利用重点实验室_海岸带生物学与生物资源保护实验室 |
| 通讯作者 | Liu, ZP (reprint author), Nanjing Agr Univ, Coll Resources & Environm Sci, Jiangsu Prov Key Lab Marine Biol, Nanjing 210095, Jiangsu, Peoples R China. zhaopuliu@163.com; shaohongbochu@126.com |
| 作者单位 | 1.Nanjing Agr Univ, Coll Resources & Environm Sci, Jiangsu Prov Key Lab Marine Biol, Nanjing 210095, Jiangsu, Peoples R China 2.Chinese Acad Sci, Inst Soil Sci, State Key Lab Soil & Sustainable Agr, Nanjing 210008, Jiangsu, Peoples R China 3.Univ Western Australia, Sch Earth & Environm, Crawley, WA 6009, Australia 4.Chinese Acad Sci, Yantai Inst Coastal Zone Res YIC, Key Lab Coastal Biol & Bioresources Utilizat, Yantai 264003, Peoples R China |
| 推荐引用方式 GB/T 7714 | Long, Xiaohua,Ni, Ni,Liu, Zhaopu,et al. Tissue Fractions of Cadmium in Two Hyperaccumulating Jerusalem Artichoke Genotypes[J]. SCIENTIFIC WORLD JOURNAL,2014:421249. |
| APA | Long, Xiaohua.,Ni, Ni.,Liu, Zhaopu.,Rengel, Zed.,Jiang, Xin.,...&shaohongbochu@126.com.(2014).Tissue Fractions of Cadmium in Two Hyperaccumulating Jerusalem Artichoke Genotypes.SCIENTIFIC WORLD JOURNAL,421249. |
| MLA | Long, Xiaohua,et al."Tissue Fractions of Cadmium in Two Hyperaccumulating Jerusalem Artichoke Genotypes".SCIENTIFIC WORLD JOURNAL (2014):421249. |
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