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  3. 東北区水産研究所

アマノリ属3種の糸状体における核分裂

https://fra.repo.nii.ac.jp/records/2007215
https://fra.repo.nii.ac.jp/records/2007215
dc08041f-dd70-49af-a7f7-a2cd25db0e2d
Item type 紀要論文 / Departmental Bulletin Paper(1)
公開日 2024-06-10
タイトル
タイトル アマノリ属3種の糸状体における核分裂
言語 ja
言語
言語 jpn
資源タイプ
資源タイプ識別子 http://purl.org/coar/resource_type/c_6501
資源タイプ departmental bulletin 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
著者 鬼頭, 鈞

× 鬼頭, 鈞

WEKO 2985

en Kito, Hitoshi

ja 鬼頭, 鈞

ja-Kana キトウ, ヒトシ

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抄録
内容記述タイプ Abstract
内容記述 Previous reports by Migita (1967) and Giraud & Magne (1968) showed that the meiosis appears in the cell of conchosporangium in Porpyra, but the detail figures about the process of the meiosis has not been clear. The purpose of this paper is to investigate cytologically the process of the meiosis in three species of Porpyra, P. pseudolinearis, P. tenera and P. yezoensis in more detail, especially dealing with free-living form in vitro. In the carpospore-germlings diploid chromosomes are observed in their first cell division in P. pseudolinearis and P. tenera as in P. yezoensis reported by Kito (1967). In the filamentous somatic cells diploid mitotic nuclear division appears in all of the three species. In the cell of the conchosporangium diploid chromosomes are observed also, and meiotic nuclear division is recognized by its characteristic phase of chromosomes in their maturing ones. As for P. pseudolinearis maturing conchospoagial branches form the uniserious cells, however in P. tenera and P. yezoensis, they are often divided by a longitudinal plane twice or more. The pit-connection is clearly observed even between the cell of maturing sporangial cells in the three species. As for P. pseudolinearis the carpospore-germlings immediatly after germinating shows a pear-shape with a primary thick germinate tubu, and then, a thin germinate tubu develops secondarily from the top of the first tubu. The first nuclear division after germinating appears in the primary or secondary germinate tubu. On the other hand, a thin germinate tube develops directly from the original spore and the first nuclear division appears in the original spore in P. yezoensis and P. tenera.
言語 en
書誌情報 ja : 東北区水産研究所研究報告
en : Bulletin of Tohoku Regional Fisheries Research Laboratory

巻 33, p. 101-117, ページ数 17, 発行日 1974-03
出版者
出版者 東北区水産研究所
言語 ja
出版者
出版者 Tohoku Regional Fisheries Research Laboratory
言語 en
ISSN
収録物識別子タイプ PISSN
収録物識別子 0049-402X
書誌レコードID
収録物識別子タイプ NCID
収録物識別子 AN00167637
情報源
識別子タイプ Local
関連識別子 tnf_k_33_101
関連サイト
識別子タイプ URI
関連識別子 https://agriknowledge.affrc.go.jp/RN/2010092396
言語 ja
関連名称 日本農学文献記事索引(agriknowledge)
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