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Root endophytes enhance stress-tolerance of Cicuta virosa L. growing in a mining pond of eastern Japan
http://hdl.handle.net/2241/00124661
http://hdl.handle.net/2241/0012466103ffb650-104c-4d6b-8972-58366860b20c
名前 / ファイル | ライセンス | アクション |
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PSB_30-2 (344.2 kB)
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Item type | Journal Article(1) | |||||
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公開日 | 2015-06-01 | |||||
タイトル | ||||||
タイトル | Root endophytes enhance stress-tolerance of Cicuta virosa L. growing in a mining pond of eastern Japan | |||||
言語 | ||||||
言語 | eng | |||||
資源タイプ | ||||||
資源 | http://purl.org/coar/resource_type/c_6501 | |||||
タイプ | journal article | |||||
著者 |
Nagata, Satoshi
× Nagata, Satoshi× Yamaji, Keiko× Nomura, Nobuhiko× Ishimoto, Hiroshi |
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著者別名 |
山路, 恵子
× 山路, 恵子× 野村, 暢彦 |
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抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | Cicuta virosa L. plants can grow in a pond subjected to heavy-metal inputs at the Hitachi mine, eastern Japan. They accumulate heavy-metal elements, especially high concentrations of zinc (Zn), in their roots. We focused on the role that root bacterial endophytes play in the heavy-metal uptake of plants and the provision of heavy-metal tolerance within plants. Our purpose was to clarify the effects of endophytes on: (i) Zn accumulation in C. virosa roots; (ii) growth of C. virosa seedlings; and (iii) heavy-metal tolerance of C. virosa plants. Root endophytic Pseudomonas putida and Rhodopseudomonas sp., which induced the high production of Zn-chelating compounds, were selected for the seedling inoculation test. The results of the inoculation test demonstrated that both strains of endophytes increased Zn accumulation in C. virosa roots by solubilizing Zn in the sediment. Both strains also increased the growth of seedlings by possible production of indole-3-acetic acid in the plant. The heavy-metal tolerance of C. virosa seedlings was likely promoted by producing metal-chelating compounds that detoxify the metals in the plant tissues, and by decreasing the heavy-metal contents in the tissues via rapid seedling growth. Thus, such mutualistic interactions between plants and bacteria contribute to the persistence of C. virosa in this severe environment. | |||||
書誌情報 |
Plant species biology 巻 30, 号 2, p. 116-125, 発行日 2015-04 |
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ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 0913-557X | |||||
書誌レコードID | ||||||
収録物識別子タイプ | NCID | |||||
収録物識別子 | AA10726074 | |||||
DOI | ||||||
識別子タイプ | DOI | |||||
関連識別子 | 10.1111/1442-1984.12039 | |||||
権利 | ||||||
権利情報 | © 2014 The Society for the Study of Species Biology | |||||
権利 | ||||||
権利情報 | This is the peer reviewed version of the following article: Plant Species Biology, 30: 116–125, which has been published in final form at DOI: 10.1111/1442-1984.12039. This article may be used for non-commercial purposes in accordance with Wiley Terms and Conditions for Self-Archiving. | |||||
著者版フラグ | ||||||
値 | author | |||||
出版者 | ||||||
出版者 | Wiley |