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水ストレスで誘導されるアイスプラントの葉組織および細胞の微細構造変化
http://hdl.handle.net/10487/1460
http://hdl.handle.net/10487/146093dacc28-19c0-450b-b602-4a0c04c67d54
名前 / ファイル | ライセンス | アクション |
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SJKU Vol 18 55-59.pdf (810.5 kB)
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Item type | 紀要論文 / Departmental Bulletin Paper(1) | |||||
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公開日 | 2009-02-23 | |||||
タイトル | ||||||
タイトル | 水ストレスで誘導されるアイスプラントの葉組織および細胞の微細構造変化 | |||||
言語 | ||||||
言語 | jpn | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | ice plant | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | water stress-induced ultrastructural change | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | Crassulacean acid metabolism | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | epidermal bladder cell | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | mesophyll cell | |||||
資源タイプ | ||||||
資源タイプ識別子 | http://purl.org/coar/resource_type/c_6501 | |||||
資源タイプ | departmental bulletin paper | |||||
著者 |
早津, 学
× 早津, 学× 鈴木, 季直× Hayatsu, Manabu× Suzuki, Suechika |
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抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | A facultative halophyte ice plant, Mesembryanthemum crystallinum L., switchs over from C_3 photosynthesis to Crassulacean acid metabolism (CAM) under environmental stress, such as water stress (osmotic stress or ionic stress). The ultrastructural changes of tissues and cells during the metabolic switch were examined in common ice plants cultured hydroponically with 400 mM NaCl. To define the stress-induced metabolic switch, the concentration of malate was measured in well expanded green leaves kept in the light and dark. The concentration was significantly higher in leaves kept in the dark than in the light, indicating CAM induction by water stress in the ice plant. The leaves of stress-induced CAM plants and unstressed plants were fixed chemically by conventional methods, and ultrathin sections were examined with a light microscope and an electron microscope. In contrast with those found in unstressed plants, in stress-induced CAM plants, epidermal bladder cells were well developed, mesophyll cells changed to small and round in shape, and the intercellular spaces became remarkably narrow. These changes may be caused directly by waterstress. Furthermore, in mesophyll cells, the chloroplasts contained conspicuously swelled thylakoids and a few small starch grains. These structural changes in chloroplasts may reflect the metabolic switch induced by water stress. | |||||
書誌情報 |
Science Journal of Kanagawa University 巻 18, p. 55-59, 発行日 2007-05-25 |
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ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 1880-0483 | |||||
書誌レコードID | ||||||
収録物識別子タイプ | NCID | |||||
収録物識別子 | AA12068302 | |||||
著者版フラグ | ||||||
出版タイプ | VoR | |||||
出版タイプResource | http://purl.org/coar/version/c_970fb48d4fbd8a85 | |||||
その他の言語のタイトル | ||||||
その他のタイトル | Water Stress-induced Ultrastructural Changes of Leaf tissues and Cells in the Ice Plant, Mesembryanthemum crystallinum L. | |||||
出版者 | ||||||
出版者 | 神奈川大学 |