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タイトル: 中国におけるドジョウ倍数体の分布に関する研究
その他のタイトル: A study on the distribution of polyploid loaches in China
著者: 李, 雅娟 著作を一覧する
印, 傑 著作を一覧する
王, 嘉博 著作を一覧する
袁, 旭 著作を一覧する
魏, 傑 著作を一覧する
孫, 効文 著作を一覧する
荒井, 克俊 著作を一覧する
キーワード: 三倍体
発行日: 2008年 3月15日
出版者: 日本水産学会
誌名: 日本水産学会誌 = Bulletin of the Japanese Society of Scientific Fisheries
巻: 74
号: 2
開始ページ: 177
終了ページ: 182
出版社 DOI: 10.2331/suisan.74.177
抄録: Natural triploid and asexually reproducing clonal diploid loaches are found in Japanese populations of the loach, Misgurnus anguillicaudatus. The distribution of polyploid loaches in Chinese populations has not been studied except for a few cytogenetic studies that described the occurrence of polyploidy. In the present study, we examined the ploidy status of a total of 762 specimens collected from 29 localities in China by measurements of erythrocytic cell nucleus after the ploidy determination performed by chromosome counting and DNA content flow-cytometry in selected individuals. Among diploid, triploid and tetraploid individuals, significant differences were detected in major and minor diameters of nucleus, and also nuclear volume. A few triploid (3n) loaches were detected in relatively wide areas including Hohhot, Neimenggu (3.3%), Tianjin (5.3%), Hangzhou, Zhejiang (3.3%), Chibi, Hubei (3.3%), Honghu, Hubei (6.7%) and Shashi, Hubei (3.3%). However, tetraploid (4n) loaches were detected only in Chibi (3.3%), Honghu (16.7%), Shashi (3.3%) and Ezhou (5.0%) from Hubei province. These results indicate that there are several localities in China exhibiting relatively higher frequencies of polyploid loaches.
Rights: ©2008 公益社団法人日本水産学会 The Japanese Society of Fisheries Science
資料タイプ: article
出現コレクション:雑誌発表論文等 (Peer-reviewed Journal Articles, etc)

提供者: 荒井 克俊


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