WEKO3
アイテム
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イネ科植物の細胞壁構造に対する過重力の影響
https://jaxa.repo.nii.ac.jp/records/13844
https://jaxa.repo.nii.ac.jp/records/138442856f2b0-b5bf-4b7c-b795-25f57197c3af
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 | イネ科植物の細胞壁構造に対する過重力の影響 | |||||
言語 | ||||||
言語 | jpn | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | 過重力 | |||||
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 | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | 植生成長 | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | コムギ | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | セルローズ | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | 糖 | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | 多糖澱粉 | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | hypergravity | |||||
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 | |||||
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 | wheat | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | cellulose | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | sugar | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | polysaccharide | |||||
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 | Effects of hypergravity on cell wall architecture in gramineous plants | |||||
著者 |
若林, 和幸
× 若林, 和幸× 曽我, 康一× 保尊, 隆享× 神阪, 盛一郎× Wakabayashi, Kazuyuki× Soga, Koichi× Hoson, Takayuki× Kamisaka, Seiichiro |
|||||
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(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 | ||||||
出版者 | ||||||
出版者 | 宇宙航空研究開発機構宇宙科学研究本部 | |||||
出版者(英) | ||||||
出版者 | Institute of Space and Astronautical Science, Japan Aerospace Exploration Agency (JAXA/ISAS) | |||||
書誌情報 |
宇宙利用シンポジウム 第20回 平成15年度 en : Space Utilization Research: Proceedings of the Twentieth Space Utilization Symposium p. 121-124, 発行日 2004-03 |
|||||
抄録(英) | ||||||
内容記述タイプ | Other | |||||
内容記述 | Modifications of cell wall structure of wheat coleoptiles in response to continuous hypergravity (300 g) treatment were investigated. Growth of coleoptiles exposed to hypergravity for 2 to 4 days from germination stage was substantially reduced. The net amounts of cell wall polysaccharides of hypergravity-treated coleoptiles increased as much as those of 1 g control coleoptiles during the incubation period. As a result, the levels of cell wall polysaccharides per unit length of coleoptile, which mean the thickness of cell walls, largely increased under hypergravity conditions. In the hemicellulose fraction, a polysaccharide fraction extracted from cell walls with strong alkali, glucose (Glc), arabinose (Ara) and xylose (Xyl) were the major sugar components, and the ratios of Ara and Xyl to Glc were higher in hypergravity-treated coleoptiles than in control coleoptiles. Furthermore, the fractionation of hemicellulosic polymers into the neutral and acidic polymers by the anion-exchange column showed that the levels of acidic polymers (mainly composed of arabinoxylans) in cell walls of hypergravity-treated coleoptiles were higher than those of control coleoptiles. In addition to wall polysaccharides, the amounts of cell wall-bound phenolics, such as ferulic acid and diferulic acid, increased at the same extent in both hypergravity-treated and control coleoptiles. These results suggest that hypergravity stimuli from the germination stage do not restrict the net synthesis of cell wall constituents in wheat coleoptiles, although they bias the type of synthesized hemicellulosic polysaccharides. The stimulation of the synthesis of arabinoxylans may be involved in the structural changes, such as thickening of cell walls, under hypergravity conditions. These structural changes in cell walls may contribute to plant resistance to gravity stimuli. | |||||
資料番号 | ||||||
内容記述タイプ | Other | |||||
内容記述 | 資料番号: AA0046917039 |