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アイテム
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微小重力は植物根の成長にどう影響するか
https://jaxa.repo.nii.ac.jp/records/13932
https://jaxa.repo.nii.ac.jp/records/1393280c2b542-03c1-46fb-b96c-3cdc7fb70e01
Item type | 会議発表論文 / Conference Paper(1) | |||||
---|---|---|---|---|---|---|
公開日 | 2015-03-26 | |||||
タイトル | ||||||
タイトル | 微小重力は植物根の成長にどう影響するか | |||||
言語 | ||||||
言語 | jpn | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | 微小重力 | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | 細胞壁 | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | 植物根 | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | イネ | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | 植物成長 | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | 機械的性質 | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | 刺激 | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | 粘性 | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | microgravity | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | cell wall | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | plant root | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | rice | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | vegetation growth | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | mechanical property | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | stimulation | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | viscosity | |||||
資源タイプ | ||||||
資源タイプ識別子 | http://purl.org/coar/resource_type/c_5794 | |||||
資源タイプ | conference paper | |||||
アクセス権 | ||||||
アクセス権 | metadata only access | |||||
アクセス権URI | http://purl.org/coar/access_right/c_14cb | |||||
その他のタイトル(英) | ||||||
その他のタイトル | How does microgravity influence plant root growth? | |||||
著者 |
保尊, 隆享
× 保尊, 隆享× 曽我, 康一× 若林, 和幸× 神阪, 盛一郎× 谷本, 英一× Hoson, Takayuki× Soga, Koichi× Wakabayashi, Kazuyuki× Kamisaka, Seiichiro× Tanimoto, Eiichi |
|||||
著者所属 | ||||||
大阪市立大学 大学院理学研究科 | ||||||
著者所属 | ||||||
大阪市立大学 大学院理学研究科 | ||||||
著者所属 | ||||||
大阪市立大学 大学院理学研究科 | ||||||
著者所属 | ||||||
富山大学 理学部 生物学科 | ||||||
著者所属 | ||||||
名古屋市立大学 大学院システム自然科学研究科 | ||||||
著者所属(英) | ||||||
en | ||||||
Osaka City University Graduate School of Science | ||||||
著者所属(英) | ||||||
en | ||||||
Osaka City University Graduate School of Science | ||||||
著者所属(英) | ||||||
en | ||||||
Osaka City University Graduate School of Science | ||||||
著者所属(英) | ||||||
en | ||||||
Toyama University Department of Biology, Faculty of Science | ||||||
著者所属(英) | ||||||
en | ||||||
Nagoya City University Graduate School of Natural Sciences | ||||||
出版者 | ||||||
出版者 | 宇宙科学研究所 | |||||
出版者(英) | ||||||
出版者 | The Institute of Space and Astronautical Science (ISAS) | |||||
書誌情報 |
宇宙利用シンポジウム 第19回 平成14年度 en : Space Utilization Research: Proceedings of the Nineteenth Space Utilization Symposium p. 79-82, 発行日 2003-02 |
|||||
抄録(英) | ||||||
内容記述タイプ | Other | |||||
内容記述 | The changes in growth and cell wall properties of roots of rice (Oryza sativa L. cv. Koshihikari) grown for 68.5, 91.5, and 136 h during the Space Shuttle STS-95 mission were analyzed, for clarifying the effects of microgravity on root growth. In space, elongation growth of rice coleoptiles was stimulated and the cell wall extensibility increased. Elongation growth of rice roots was also stimulated in space and the effect was greater than in coleoptiles. However, there were no differences in the cell wall extensibility of rice roots between in space and on the ground. Then analyzed were the mechanical properties of the cell wall of rice roots more precisely with the creep-extension method by adopting the Kelvin-Voigt-Burger's six element model. Some of elasticity moduli and viscosity coefficients were higher in roots grown in space than on the ground, suggesting that the cell wall of space-grown roots has a lower capacity to expand than the controls. The amounts of the cell wall polysaccharides per unit length were smaller in rice coleoptiles and roots grown in space. The effect was greater in roots. On the other hand, in rice coleoptiles grown in space, the ratio of high molecular mass region of hemicellulose decreased as compared with the controls, whereas the ratio increased in space-grown roots. The prominent thinning of the cell wall could overwhelm the disadvantageous changes in the cell wall mechanical properties, leading to the stimulation of elongation growth in rice roots in space. Thus, although elongation growth of both rice coleoptiles and roots was stimulated in space, the mechanism of stimulation was different between two organs. | |||||
資料番号 | ||||||
内容記述タイプ | Other | |||||
内容記述 | 資料番号: AA0045438025 |