WEKO3
アイテム
{"_buckets": {"deposit": "70900fbb-3097-40d3-93a2-dde2f62d9fa2"}, "_deposit": {"created_by": 1, "id": "13834", "owners": [1], "pid": {"revision_id": 0, "type": "depid", "value": "13834"}, "status": "published"}, "_oai": {"id": "oai:jaxa.repo.nii.ac.jp:00013834", "sets": ["1647", "1891"]}, "author_link": ["127027", "127024", "127026", "127025"], "item_5_alternative_title_2": {"attribute_name": "その他のタイトル(英)", "attribute_value_mlt": [{"subitem_alternative_title": "Occurrence and exobiological implication of nanobacteria"}]}, "item_5_biblio_info_10": {"attribute_name": "書誌情報", "attribute_value_mlt": [{"bibliographicIssueDates": {"bibliographicIssueDate": "2004-03", "bibliographicIssueDateType": "Issued"}, "bibliographicPageEnd": "89", "bibliographicPageStart": "88", "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": "Existence of nanobacteria (often regarded as the bacteria that pass through 0.2 micrometer filters) has been increasingly acknowledged. However, their phylogenetic positions, physiological features and ecological significances are not fully understood. DNA was extracted from the 0.2 micrometer-filtrate groundwater (traditionally, all bacteria are supposed to be cut off) and PCR-amplified 16S rDNA genes, which were then cloned and sequenced for phylogenetic analyses. Most of the 16S rDNA were of unidentified bacteria and they formed new clade (branch) of the \u0027evolutionary tree\u0027. One of the isolated/cultured bacteria from the 0.2 micrometer-filtrate was ascribed to the genus Microscilla, most of which species are known to form tiny spherical cells during senescence. Some of the \u0027aged\u0027 spheres became smaller than the filter pore size of 0.2 micrometer. Another example of the cultured nanobacteria was among the alpha-Proteobacteria, and the relationship with the tiny (but greater than 0.2 micrometer) alpha-Proteobacteria was suggested. As the some of the alpha-Proteobacteria are known as symbiotic or related to mitochondria, they may be able to switch their life styles between symbiotic and \u0027free-living\u0027. So far, all the genomes having less than 1 million base pairs (less than 1 MB) are of symbiotic and parasitic microorganisms. If any \u0027free living\u0027 nanobacteria having less than 1 MB genomes they surely provide an ideal source for elucidating the \u0027minimum genomes for free living\u0027. This would facilitate the search for life, or traces of life at least in exobiological environments.", "subitem_description_type": "Other"}]}, "item_5_description_32": {"attribute_name": "資料番号", "attribute_value_mlt": [{"subitem_description": "資料番号: AA0046917029", "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_20": {"attribute_name": "その他キーワード", "attribute_value_mlt": [{"subitem_text_value": "ライフサイエンス(全般)"}, {"subitem_text_value": "航空宇宙医学"}]}, "item_5_text_35": {"attribute_name": "JAXAカテゴリ", "attribute_value_mlt": [{"subitem_text_value": "JAXAカテゴリ: シンポジウム・研究会"}]}, "item_5_text_36": {"attribute_name": "JAXAカテゴリ2", "attribute_value_mlt": [{"subitem_text_value": "JAXAカテゴリ2: IS"}]}, "item_5_text_42": {"attribute_name": "シンポジウム区分", "attribute_value_mlt": [{"subitem_text_value": "シンポジウム区分: 008"}]}, "item_5_text_43": {"attribute_name": "DSpaceコレクション番号", "attribute_value_mlt": [{"subitem_text_value": "DSpaceコレクション番号: 7"}]}, "item_5_text_6": {"attribute_name": "著者所属", "attribute_value_mlt": [{"subitem_text_value": "広島大学 大学院生物圏科学研究科"}, {"subitem_text_value": "広島大学 大学院生物圏科学研究科"}]}, "item_5_text_7": {"attribute_name": "著者所属(英)", "attribute_value_mlt": [{"subitem_text_language": "en", "subitem_text_value": "Hiroshima University Graduate School of Biosphere Sciences"}, {"subitem_text_language": "en", "subitem_text_value": "Hiroshima University Graduate School of Biosphere 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": "三好, 達夫"}], "nameIdentifiers": [{"nameIdentifier": "127024", "nameIdentifierScheme": "WEKO"}]}, {"creatorNames": [{"creatorName": "長沼, 毅"}], "nameIdentifiers": [{"nameIdentifier": "127025", "nameIdentifierScheme": "WEKO"}]}, {"creatorNames": [{"creatorName": "Miyoshi, Tatsuo", "creatorNameLang": "en"}], "nameIdentifiers": [{"nameIdentifier": "127026", "nameIdentifierScheme": "WEKO"}]}, {"creatorNames": [{"creatorName": "Naganuma, Takeshi", "creatorNameLang": "en"}], "nameIdentifiers": [{"nameIdentifier": "127027", "nameIdentifierScheme": "WEKO"}]}]}, "item_keyword": {"attribute_name": "キーワード", "attribute_value_mlt": [{"subitem_subject": "宇宙生物学", "subitem_subject_scheme": "Other"}, {"subitem_subject": "ナノバクテリア", "subitem_subject_scheme": "Other"}, {"subitem_subject": "微生物", "subitem_subject_scheme": "Other"}, {"subitem_subject": "ゲノム", "subitem_subject_scheme": "Other"}, {"subitem_subject": "ミトコンドリア", "subitem_subject_scheme": "Other"}, {"subitem_subject": "生理学", "subitem_subject_scheme": "Other"}, {"subitem_subject": "エコロジー", "subitem_subject_scheme": "Other"}, {"subitem_subject": "DNA", "subitem_subject_scheme": "Other"}, {"subitem_subject": "exobiology", "subitem_subject_language": "en", "subitem_subject_scheme": "Other"}, {"subitem_subject": "nanobacterium", "subitem_subject_language": "en", "subitem_subject_scheme": "Other"}, {"subitem_subject": "microorganism", "subitem_subject_language": "en", "subitem_subject_scheme": "Other"}, {"subitem_subject": "genome", "subitem_subject_language": "en", "subitem_subject_scheme": "Other"}, {"subitem_subject": "mitochondrion", "subitem_subject_language": "en", "subitem_subject_scheme": "Other"}, {"subitem_subject": "physiology", "subitem_subject_language": "en", "subitem_subject_scheme": "Other"}, {"subitem_subject": "ecology", "subitem_subject_language": "en", "subitem_subject_scheme": "Other"}, {"subitem_subject": "DNA", "subitem_subject_language": "en", "subitem_subject_scheme": "Other"}]}, "item_language": {"attribute_name": "言語", "attribute_value_mlt": [{"subitem_language": "jpn"}]}, "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": "ナノバクテリアの存在とその宇宙生物学的意義", "item_titles": {"attribute_name": "タイトル", "attribute_value_mlt": [{"subitem_title": "ナノバクテリアの存在とその宇宙生物学的意義"}]}, "item_type_id": "5", "owner": "1", "path": ["1647", "1891"], "permalink_uri": "https://jaxa.repo.nii.ac.jp/records/13834", "pubdate": {"attribute_name": "公開日", "attribute_value": "2015-03-26"}, "publish_date": "2015-03-26", "publish_status": "0", "recid": "13834", "relation": {}, "relation_version_is_last": true, "title": ["ナノバクテリアの存在とその宇宙生物学的意義"], "weko_shared_id": -1}
ナノバクテリアの存在とその宇宙生物学的意義
https://jaxa.repo.nii.ac.jp/records/13834
https://jaxa.repo.nii.ac.jp/records/1383438bf9b81-a994-40d6-a03d-37d56bd21bbf
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 | ナノバクテリアの存在とその宇宙生物学的意義 | |||||
言語 | ||||||
言語 | jpn | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | 宇宙生物学 | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | ナノバクテリア | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | 微生物 | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | ゲノム | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | ミトコンドリア | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | 生理学 | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | エコロジー | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | DNA | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | exobiology | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | nanobacterium | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | microorganism | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | genome | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | mitochondrion | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | physiology | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | ecology | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | DNA | |||||
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 | Occurrence and exobiological implication of nanobacteria | |||||
著者 |
三好, 達夫
× 三好, 達夫× 長沼, 毅× Miyoshi, Tatsuo× Naganuma, Takeshi |
|||||
著者所属 | ||||||
広島大学 大学院生物圏科学研究科 | ||||||
著者所属 | ||||||
広島大学 大学院生物圏科学研究科 | ||||||
著者所属(英) | ||||||
en | ||||||
Hiroshima University Graduate School of Biosphere Sciences | ||||||
著者所属(英) | ||||||
en | ||||||
Hiroshima University Graduate School of Biosphere Sciences | ||||||
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. 88-89, 発行日 2004-03 |
|||||
抄録(英) | ||||||
内容記述タイプ | Other | |||||
内容記述 | Existence of nanobacteria (often regarded as the bacteria that pass through 0.2 micrometer filters) has been increasingly acknowledged. However, their phylogenetic positions, physiological features and ecological significances are not fully understood. DNA was extracted from the 0.2 micrometer-filtrate groundwater (traditionally, all bacteria are supposed to be cut off) and PCR-amplified 16S rDNA genes, which were then cloned and sequenced for phylogenetic analyses. Most of the 16S rDNA were of unidentified bacteria and they formed new clade (branch) of the 'evolutionary tree'. One of the isolated/cultured bacteria from the 0.2 micrometer-filtrate was ascribed to the genus Microscilla, most of which species are known to form tiny spherical cells during senescence. Some of the 'aged' spheres became smaller than the filter pore size of 0.2 micrometer. Another example of the cultured nanobacteria was among the alpha-Proteobacteria, and the relationship with the tiny (but greater than 0.2 micrometer) alpha-Proteobacteria was suggested. As the some of the alpha-Proteobacteria are known as symbiotic or related to mitochondria, they may be able to switch their life styles between symbiotic and 'free-living'. So far, all the genomes having less than 1 million base pairs (less than 1 MB) are of symbiotic and parasitic microorganisms. If any 'free living' nanobacteria having less than 1 MB genomes they surely provide an ideal source for elucidating the 'minimum genomes for free living'. This would facilitate the search for life, or traces of life at least in exobiological environments. | |||||
資料番号 | ||||||
内容記述タイプ | Other | |||||
内容記述 | 資料番号: AA0046917029 |