WEKO3
アイテム
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両生類の生活環に対する重力影響:初期発生、形態形成や変態の形態学的および分子生物学的解析
https://jaxa.repo.nii.ac.jp/records/13792
https://jaxa.repo.nii.ac.jp/records/137921d8757e3-2b0b-4270-ad84-c1ed9953021f
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 | 両生類の生活環に対する重力影響:初期発生、形態形成や変態の形態学的および分子生物学的解析 | |||||
言語 | ||||||
言語 | jpn | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | 両生類 | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | 形態学的解析 | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | 高重力環境 | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | 重力効果 | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | 遺伝子発現 | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | アポトーシス | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | 形態生成 | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | 変態 | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | ハイブリダイゼーション | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | 重力 | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | amphibian | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | morphological analysis | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | high gravity environment | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | gravitational effect | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | gene expression | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | apoptosis | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | morphogenesis | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | metamorphosis | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | hybridization | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | gravitation | |||||
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 gravity on the amphibian life cycle: Morphological and molecular biological analyses of early development, morphogenesis and metamorphosis | |||||
著者 |
柏木, 昭彦
× 柏木, 昭彦× 古野, 伸明× 柏木, 啓子× 花田, 秀樹× 川上, 智美× 渡部, 稔× 山下, 雅道× Kashiwagi, Akihiko× Furuno, Nobuaki× Kashiwagi, Keiko× Hanada, Hideki× Kawakami, Satomi× Watanabe, Minoru× Yamashita, Masamichi |
|||||
著者所属 | ||||||
広島大学 大学院理学研究科 | ||||||
著者所属 | ||||||
広島大学 大学院理学研究科 | ||||||
著者所属 | ||||||
広島大学 大学院理学研究科 | ||||||
著者所属 | ||||||
広島大学 大学院理学研究科 | ||||||
著者所属 | ||||||
広島大学 大学院理学研究科 | ||||||
著者所属 | ||||||
徳島大学 総合科学部 自然システム学科 | ||||||
著者所属 | ||||||
宇宙航空研究開発機構 宇宙科学研究本部 | ||||||
著者所属(英) | ||||||
en | ||||||
Hiroshima University Graduate School of Science | ||||||
著者所属(英) | ||||||
en | ||||||
Hiroshima University Graduate School of Science | ||||||
著者所属(英) | ||||||
en | ||||||
Hiroshima University Graduate School of Science | ||||||
著者所属(英) | ||||||
en | ||||||
Hiroshima University Graduate School of Science | ||||||
著者所属(英) | ||||||
en | ||||||
Hiroshima University Graduate School of Science | ||||||
著者所属(英) | ||||||
en | ||||||
University of Tokushima Dept. of Math. and Natural Sciences, Faculty of Integrated Arts and Sciences | ||||||
著者所属(英) | ||||||
en | ||||||
Japan Aerospace Exploration Agency Institute of Space and Astronautical 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21回 平成16年度 en : Space Utilization Research: Proceedings of the Twenty-first Space Utilization Symposium p. 270-273, 発行日 2005-03 |
|||||
抄録(英) | ||||||
内容記述タイプ | Other | |||||
内容記述 | This study attempts to investigate abnormal Programmed Cell Death (PCD) and abnormal gene expression induced under high gravity conditions. Uncleaved Xenopus laevis eggs at 10 and 20 min after insemination, and embryos at 2 cell stage were raised at 2 G and 5 G. Controls were raised in normal gravity. PCD for body surface and inner structures of hatched tadpoles was scored using the TUNEL staining method, and gene expression was analyzed by whole-mount in situ hybridization when eggs and embryos reached tail-bud embryos. The results showed that: (1) High gravity retarded the development of eggs and embryos and induced microcephaly and microphthalmia. (2) The number of dying cells in the skin of tadpoles developed from treated eggs and cell 2 stage embryos was greater at 2 G, but less at 5 G, compared to controls. The number of PCD in head epidermis of tadpoles developed from treated eggs and embryos was higher at 2 G than in controls, but the same as controls at 5 G. Brain PCD was found to be the same at 2 G, but higher at 5 G than for controls. (3) High gravity strongly suppressed the expression of the two genes, XAG1 (regulating cement gland formation) and Xotx2 (involved in forebrain and eye development). These findings suggest that high gravity induces abnormal PCD and suppresses gene functions essential for head and brain development, leading to retardation and various morphological abnormalities. | |||||
資料番号 | ||||||
内容記述タイプ | Other | |||||
内容記述 | 資料番号: AA0048095063 |