{"created":"2023-06-20T14:46:16.035235+00:00","id":13818,"links":{},"metadata":{"_buckets":{"deposit":"4d725b61-8fc2-4c56-bdeb-4bc2126ab114"},"_deposit":{"created_by":1,"id":"13818","owners":[1],"pid":{"revision_id":0,"type":"depid","value":"13818"},"status":"published"},"_oai":{"id":"oai:jaxa.repo.nii.ac.jp:00013818","sets":["1543:1633:1647","1887:1891"]},"author_link":["126877","126880","126876","126878","126874","126879","126875","126881"],"item_5_alternative_title_1":{"attribute_name":"その他のタイトル","attribute_value_mlt":[{"subitem_alternative_title":"過重力環境が及ぼすゾウリムシの増殖と形態への作用:低温及び低栄養環境との比較"}]},"item_5_biblio_info_10":{"attribute_name":"書誌情報","attribute_value_mlt":[{"bibliographicIssueDates":{"bibliographicIssueDate":"2004-03","bibliographicIssueDateType":"Issued"},"bibliographicPageEnd":"38","bibliographicPageStart":"35","bibliographic_titles":[{"bibliographic_title":"宇宙利用シンポジウム　第20回　平成15年度"},{"bibliographic_title":"Space Utilization Research: Proceedings of the Twentieth Space Utilization Symposium","bibliographic_titleLang":"en"}]}]},"item_5_description_17":{"attribute_name":"抄録（英）","attribute_value_mlt":[{"subitem_description":"It has been reported that Paramecium proliferates slower when cultured under hypergravity. In order to gain an insight into the mechanism underlying the sensitivity to hypergravity, the proliferation under hypergravity was compared with that under lowering temperature or reduced nourishment, where cell proliferation rate is known to be reduced. Proliferation experiments was conducted under different conditions with three variables; gravity, temperature, and nourishment. In each experiment, control cells were grown under 1 G at 24 C with 100 percent nourishment through three experiments. In order to assess the proliferation under different conditions, the kinetic parameters of proliferation were obtained through a numerical analysis based the least squares fitting of the logistic growth equation. Maximum proliferation rate was reduced under hypergravity, lowering temperature and reduced nourishment. Saturation density was maintained under lowering temperature, while those were lower under hypergravity and reduced nourishment. Logistic parameter which was maintained under hypergravity became smaller under lowering temperature, and larger under reduced nourishment. It was also reported that hypergravity reduced the cell size of Paramecium. The maximum cell volume significantly decreased under hypergravity, while it tended to increase under lowering temperature and decrease under reduced nourishment. These results indicate that the mechanism of reduced proliferation rate under hypergravity is different from those under lowering temperature and reduced nourishment.","subitem_description_type":"Other"}]},"item_5_description_32":{"attribute_name":"資料番号","attribute_value_mlt":[{"subitem_description":"資料番号: AA0046917013","subitem_description_type":"Other"}]},"item_5_publisher_8":{"attribute_name":"出版者","attribute_value_mlt":[{"subitem_publisher":"宇宙航空研究開発機構宇宙科学研究本部"}]},"item_5_publisher_9":{"attribute_name":"出版者（英）","attribute_value_mlt":[{"subitem_publisher":"Institute of Space and Astronautical Science, Japan Aerospace Exploration Agency (JAXA/ISAS)"}]},"item_5_text_6":{"attribute_name":"著者所属","attribute_value_mlt":[{"subitem_text_value":"お茶の水女子大学 大学院人間文化研究科"},{"subitem_text_value":"お茶の水女子大学 大学院人間文化研究科"},{"subitem_text_value":"お茶の水女子大学 理学部　生物学科"},{"subitem_text_value":"お茶の水女子大学 大学院人間文化研究科"}]},"item_5_text_7":{"attribute_name":"著者所属（英）","attribute_value_mlt":[{"subitem_text_language":"en","subitem_text_value":"Ochanomizu University Graduate School of Humanities and Sciences"},{"subitem_text_language":"en","subitem_text_value":"Ochanomizu University Graduate School of Humanities and Sciences"},{"subitem_text_language":"en","subitem_text_value":"Ochanomizu University Department of Biology, Faculty of Science"},{"subitem_text_language":"en","subitem_text_value":"Ochanomizu University Graduate School of Humanities and Sciences"}]},"item_access_right":{"attribute_name":"アクセス権","attribute_value_mlt":[{"subitem_access_right":"metadata only access","subitem_access_right_uri":"http://purl.org/coar/access_right/c_14cb"}]},"item_creator":{"attribute_name":"著者","attribute_type":"creator","attribute_value_mlt":[{"creatorNames":[{"creatorName":"加藤, 悠子"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"澤井, 里枝"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"最上, 善広"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"馬場, 昭次"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"Kato, Yuko","creatorNameLang":"en"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"Sawai, Satoe","creatorNameLang":"en"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"Mogami, Yoshihiro","creatorNameLang":"en"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"Baba, Shoji A.","creatorNameLang":"en"}],"nameIdentifiers":[{}]}]},"item_keyword":{"attribute_name":"キーワード","attribute_value_mlt":[{"subitem_subject":"細胞増殖","subitem_subject_scheme":"Other"},{"subitem_subject":"過重力","subitem_subject_scheme":"Other"},{"subitem_subject":"形態","subitem_subject_scheme":"Other"},{"subitem_subject":"ゾウリムシ","subitem_subject_scheme":"Other"},{"subitem_subject":"低温","subitem_subject_scheme":"Other"},{"subitem_subject":"最小2乗法","subitem_subject_scheme":"Other"},{"subitem_subject":"数値解析","subitem_subject_scheme":"Other"},{"subitem_subject":"地球重力","subitem_subject_scheme":"Other"},{"subitem_subject":"cell proliferation","subitem_subject_language":"en","subitem_subject_scheme":"Other"},{"subitem_subject":"hypergravity","subitem_subject_language":"en","subitem_subject_scheme":"Other"},{"subitem_subject":"morphology","subitem_subject_language":"en","subitem_subject_scheme":"Other"},{"subitem_subject":"paramecium","subitem_subject_language":"en","subitem_subject_scheme":"Other"},{"subitem_subject":"low temperature","subitem_subject_language":"en","subitem_subject_scheme":"Other"},{"subitem_subject":"least squares method","subitem_subject_language":"en","subitem_subject_scheme":"Other"},{"subitem_subject":"numerical analysis","subitem_subject_language":"en","subitem_subject_scheme":"Other"},{"subitem_subject":"Earth gravitation","subitem_subject_language":"en","subitem_subject_scheme":"Other"}]},"item_language":{"attribute_name":"言語","attribute_value_mlt":[{"subitem_language":"eng"}]},"item_resource_type":{"attribute_name":"資源タイプ","attribute_value_mlt":[{"resourcetype":"conference paper","resourceuri":"http://purl.org/coar/resource_type/c_5794"}]},"item_title":"Effects of hypergravity on the proliferation and morphology of paramecium: Comparison with those of lowering temperature and reduced nourishment","item_titles":{"attribute_name":"タイトル","attribute_value_mlt":[{"subitem_title":"Effects of hypergravity on the proliferation and morphology of paramecium: Comparison with those of lowering temperature and reduced nourishment","subitem_title_language":"en"}]},"item_type_id":"5","owner":"1","path":["1647","1891"],"pubdate":{"attribute_name":"公開日","attribute_value":"2015-03-26"},"publish_date":"2015-03-26","publish_status":"0","recid":"13818","relation_version_is_last":true,"title":["Effects of hypergravity on the proliferation and morphology of paramecium: Comparison with those of lowering temperature and reduced nourishment"],"weko_creator_id":"1","weko_shared_id":-1},"updated":"2023-06-21T05:44:18.848160+00:00"}