{"created":"2023-05-15T13:38:12.414954+00:00","id":2063,"links":{},"metadata":{"_buckets":{"deposit":"e1ce5eea-d6da-457a-9ecd-5be5cb45e5f5"},"_deposit":{"created_by":12,"id":"2063","owners":[12],"pid":{"revision_id":0,"type":"depid","value":"2063"},"status":"published"},"_oai":{"id":"oai:repository.naro.go.jp:00002063","sets":["87:633:634:133:235"]},"author_link":["2821","2822","46","554","1052"],"item_10002_biblio_info_7":{"attribute_name":"書誌情報","attribute_value_mlt":[{"bibliographicIssueDates":{"bibliographicIssueDate":"2003-05-30","bibliographicIssueDateType":"Issued"},"bibliographicPageEnd":"22","bibliographicPageStart":"15","bibliographicVolumeNumber":"3","bibliographic_titles":[{"bibliographic_title":"畜産草地研究所研究報告"},{"bibliographic_title":"Bulletin of National Institute of Livestock and Grassland Science","bibliographic_titleLang":"en"}]}]},"item_10002_description_5":{"attribute_name":"抄録","attribute_value_mlt":[{"subitem_description":"To facilitate a program focused on the development of a cytoplasmic male-sterile (cms) Italian ryegrass, attempts are underway to develop a male-sterility maintainer 'B’ line. Testcrosses between a cms individual (CL1) and W59 individuals (normal cytoplasm) were performed to generate a ‘B’line which could be used to maintain male-sterility. A male sterile line （‘ A’line) was obtained following recurrent backcrossing between non-recurrent cms parents and a 'B’ line (recurrent parent) . Hybrids obtained from this backcrossing resulted in the generation of male-sterile individuals at a frequency of 86.4% and 87.7%, in the BC₂ and BC₃ generation, respectively. Progeny tests utilizing male-sterile x male-fertile sibs, originally derived from the CL1 x W59 hybridization, generated segregation ratios of l:l and l:3 (sterile: fertile). These observations, suggest that two complementary loci may be involved in the expression of male sterility. However, the frequency of male-sterile individuals obtained following the backcrossing of the ‘A’line with the ・B’line, suggest that another gene (s) are affecting the outcome of the anticipated, simple two locus model. Additional research is underway to further elucidate the complex inheritance and expression of cms restoration in Italian ryegrass. ","subitem_description_type":"Abstract"},{"subitem_description":"イタリアンライグラス雄性不稔系統を育成するために，雄性不捻維持系統の育成および雄性不稔性維持能について遺伝様式の推定を行った。雄性不稔細胞質を持ち，表現型が完全雄性不稔の個体CL1を検定親として，雄性不稔性維持能についての選抜のための検定交配を行い，W59系統より5個体を選抜・多交配して維持系統（B系統）を得た。雄性不稔細胞質を持つ1個親にこのB系統を反復戻し交雑して， 雄性不稔系統（A系統）とした。A系統のBC₂，およびBC₃世代における全雄性不稔個体割合は86.4および87.7%であった。CL1と， W59系統中の1個体であるW59-11との交雑後代は完全雄性不稔個体と完全雄性不稔個体が分離した。雄性不稔維持能の遺伝様式の推定のため．完全雄性不捻個体(11S2および11S3）と完全雄性可稔個体(11F3）との問で検定交配を行った。11S2X11F3および11S3×11F3後代における花粉稔性の分離はそれぞれ不稔：可稔：＝ 1 : 1および 1: 3に分離したので，雄性不稔性の発現には2つの補足的な遺伝子座が関与していると考えられた。しかし，これに基づいて推定されるA系統のBC₂，およびBC₃世代における雄性不稔個体割合を観察された雄性不稔個体割合とを比較すると，観察された雄性不稔個体割合は推定値を下回った。従って，雄性不稔性の発現には，さらに別の雄性不稔性に関与する遺伝子の存在が示唆された。","subitem_description_type":"Abstract"}]},"item_10002_identifier_registration":{"attribute_name":"ID登録","attribute_value_mlt":[{"subitem_identifier_reg_text":"10.24514/00001979","subitem_identifier_reg_type":"JaLC"}]},"item_10002_publisher_8":{"attribute_name":"出版者","attribute_value_mlt":[{"subitem_publisher":"独立行政法人 農業技術研究機構"}]},"item_10002_relation_14":{"attribute_name":"DOI","attribute_value_mlt":[{"subitem_relation_type":"isIdenticalTo","subitem_relation_type_id":{"subitem_relation_type_id_text":"10.24514/00001979","subitem_relation_type_select":"DOI"}}]},"item_10002_source_id_9":{"attribute_name":"ISSN","attribute_value_mlt":[{"subitem_source_identifier":"1347-0825","subitem_source_identifier_type":"ISSN"}]},"item_10002_version_type_20":{"attribute_name":"著者版フラグ","attribute_value_mlt":[{"subitem_version_resource":"http://purl.org/coar/version/c_970fb48d4fbd8a85","subitem_version_type":"VoR"}]},"item_creator":{"attribute_name":"著者","attribute_type":"creator","attribute_value_mlt":[{"creatorNames":[{"creatorName":"荒川, 明"},{"creatorName":"アラカワ, アキラ","creatorNameLang":"ja-Kana"},{"creatorName":"ARAKAWA, Akira","creatorNameLang":"en"}],"nameIdentifiers":[{},{}]},{"creatorNames":[{"creatorName":"藤森, 雅博"},{"creatorName":"フジモリ, マサヒロ","creatorNameLang":"ja-Kana"},{"creatorName":"FUJIMORI, Masahiro","creatorNameLang":"en"}],"nameIdentifiers":[{},{},{}]},{"creatorNames":[{"creatorName":"小松, 敏憲"},{"creatorName":"コマツ, トシノリ","creatorNameLang":"ja-Kana"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"内山, 和宏"},{"creatorName":"ウチヤマ, カズヒロ","creatorNameLang":"ja-Kana"},{"creatorName":"UCHIYAMA, Kazuhiro","creatorNameLang":"en"}],"nameIdentifiers":[{},{},{}]},{"creatorNames":[{"creatorName":"杉田, 紳一"},{"creatorName":"スギタ, シンイチ","creatorNameLang":"ja-Kana"},{"creatorName":"SUGITA, Shinichi","creatorNameLang":"en"}],"nameIdentifiers":[{},{}]}]},"item_files":{"attribute_name":"ファイル情報","attribute_type":"file","attribute_value_mlt":[{"accessrole":"open_date","date":[{"dateType":"Available","dateValue":"2019-03-20"}],"displaytype":"detail","filename":"ilgs_report_No3p15-22p.pdf","filesize":[{"value":"9.0 MB"}],"format":"application/pdf","licensetype":"license_note","mimetype":"application/pdf","url":{"label":"ilgs_report_No3p15-22p.pdf","url":"https://repository.naro.go.jp/record/2063/files/ilgs_report_No3p15-22p.pdf"},"version_id":"91ee3896-f8a4-4c19-a9f2-bc8ce220edcd"}]},"item_keyword":{"attribute_name":"キーワード","attribute_value_mlt":[{"subitem_subject":"イタリアンライグラス","subitem_subject_scheme":"Other"},{"subitem_subject":"細胞質雄性不稔","subitem_subject_scheme":"Other"},{"subitem_subject":"稔性回復遺伝子","subitem_subject_scheme":"Other"},{"subitem_subject":"遺伝様式","subitem_subject_scheme":"Other"},{"subitem_subject":"Italian ryegrass","subitem_subject_language":"en","subitem_subject_scheme":"Other"},{"subitem_subject":"Cytoplasmic male sterile","subitem_subject_language":"en","subitem_subject_scheme":"Other"},{"subitem_subject":"Restorer gene","subitem_subject_language":"en","subitem_subject_scheme":"Other"},{"subitem_subject":"Inheritance model","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":"departmental bulletin paper","resourceuri":"http://purl.org/coar/resource_type/c_6501"}]},"item_title":"イタリアンライグラスにおける雄性不稔性の遺伝解析","item_titles":{"attribute_name":"タイトル","attribute_value_mlt":[{"subitem_title":"イタリアンライグラスにおける雄性不稔性の遺伝解析"},{"subitem_title":"Genetic Analysis of the Restoration of Male Fertility in Italian Ryegrass (Lolium multiflorum Lam.)","subitem_title_language":"en"}]},"item_type_id":"10002","owner":"12","path":["235"],"pubdate":{"attribute_name":"公開日","attribute_value":"2019-03-22"},"publish_date":"2019-03-22","publish_status":"0","recid":"2063","relation_version_is_last":true,"title":["イタリアンライグラスにおける雄性不稔性の遺伝解析"],"weko_creator_id":"12","weko_shared_id":12},"updated":"2023-05-15T16:54:56.693536+00:00"}