Medicago truncatula ecotypes A17 and R108 differed in their response to iron deficiency
文献类型：期刊论文
| 作者 | Li, Gen; Wang, Baolan; Tian, Qiuying; Wang, Tianzuo; Zhang, Wen-Hao
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| 刊名 | JOURNAL OF PLANT PHYSIOLOGY
 |
| 出版日期 | 2014 |
| 卷号 | 171期号:8页码:639-647 |
| 关键词 | Medicago truncatula Ecotype A17 Ecotype R108 Fe deficiency Ferric chelate reductase activity |
| ISSN号 | 0176-1617 |
| DOI | 10.1016/j.jplph.2013.12.018 |
| 文献子类 | Article |
| 英文摘要 | Medicago truncatula Gaertn is a model legume species with a wide genetic diversity. To evaluate the responses of the two M. truncatula ecotypes, the effect of Fe deficiency on ecotype A17 and ecotype R108, which have been widely used in physiological and molecular studies, was investigated. A greater reduction in shoot Fe concentration of R108 plants than that of A17 plants was observed under Fe-deficient conditions. Exposure to Fe-deficient medium led to a greater increase in ferric chelate reductase ( FCR) activity in roots of A17 than those of R108 plants, while expression of genes encoding FCR in roots of A17 and R108 plants was similarly up-regulated by Fe deficiency. Exposure of A17 plants to Fe-deficient medium evoked an ethylene evolution from roots, while the same treatment had no effect on ethylene evolution from R108 roots. There was a significant increase in expression of MtIRT encoding a Fe transporter in A17, but not in R108 plants, upon exposure to Fe-deficient medium. Transcripts of MtFRD3 that is responsible for loading of iron chelator citrate into xylem were up-regulated by Fe deficiency in A17, but not in R108 plants. These results suggest that M. truncatula ecotypes A17 and R108 differed in their response and adaptation to Fe deficiency, and that ethylene may play an important role in regulation of greater tolerance of A17 plant to Fe deficiency. These findings provide important clues for further elucidation of molecular mechanism by which legume plants respond and adapt to low soil Fe availability. (C) 2014 Elsevier GmbH. All rights reserved. |
| 学科主题 | Plant Sciences |
| 出版地 | MUNICH |
| 电子版国际标准刊号 | 1618-1328 |
| WOS关键词 | CUCUMBER CUCUMIS-SATIVUS ; GENE-EXPRESSION ; CHELATE REDUCTASE ; STRESS RESPONSES ; ARABIDOPSIS ; TRANSPORTER ; ETHYLENE ; MODEL ; IDENTIFICATION ; TRAFFICKING |
| WOS研究方向 | Plant Sciences |
| 语种 | 英语 |
| WOS记录号 | WOS:000345634000011 |
| 出版者 | ELSEVIER GMBH |
| 资助机构 | National Natural Science Foundation of China [31101594, 31272234] ; State Key Laboratory of Vegetation and Environmental Change |
| 源URL | [http://ir.ibcas.ac.cn/handle/2S10CLM1/27260]  |
| 专题 | 植被与环境变化国家重点实验室 |
| 作者单位 | 1.[Li, Gen 2.Wang, Baolan 3.Tian, Qiuying 4.Wang, Tianzuo 5.Chinese Acad Sci, Inst Bot, State Key Lab Vegetat & Environm Change, Beijing 100093, Peoples R China 6.Chinese Acad Sci, Beijing Inst Life Sci, Res Network Global Change Biol, Beijing 100093, Peoples R China |
| 推荐引用方式 GB/T 7714 | Li, Gen,Wang, Baolan,Tian, Qiuying,et al. Medicago truncatula ecotypes A17 and R108 differed in their response to iron deficiency[J]. JOURNAL OF PLANT PHYSIOLOGY,2014,171(8):639-647. |
| APA | Li, Gen,Wang, Baolan,Tian, Qiuying,Wang, Tianzuo,&Zhang, Wen-Hao.(2014).Medicago truncatula ecotypes A17 and R108 differed in their response to iron deficiency.JOURNAL OF PLANT PHYSIOLOGY,171(8),639-647. |
| MLA | Li, Gen,et al."Medicago truncatula ecotypes A17 and R108 differed in their response to iron deficiency".JOURNAL OF PLANT PHYSIOLOGY 171.8(2014):639-647. |
入库方式： OAI收割
来源：植物研究所
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