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Two species of the genus Acinetospora (Ectocarpales, Phaeophyceae) from Japan: A. filamentosa comb. nov and A. asiatica sp nov.

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タイトル: Two species of the genus Acinetospora (Ectocarpales, Phaeophyceae) from Japan: A. filamentosa comb. nov and A. asiatica sp nov.
著者: Yaegashi, Kousuke 著作を一覧する
Yamagishi, Yukimasa 著作を一覧する
Uwai, Shinya 著作を一覧する
Abe, Tsuyoshi 著作を一覧する
Santianez, Wilfred John Eria 著作を一覧する
Kogame, Kazuhiro 著作を一覧する
キーワード: Acinetospora asiatica sp nov.
Acinetospora filamentosa comb. nov.
cox1
Ectocarpales
rbcL
発行日: 2015年10月
出版者: Walter De Gruyter Gmbh
誌名: Botanica marina
巻: 58
号: 5
開始ページ: 331
終了ページ: 343
出版社 DOI: 10.1515/bot-2015-0051
抄録: The brown algal genus Acinetospora is characterised by sparsely branched uniseriate filaments, scattered meristematic zones, short laterals ("crampons") and scattered reproductive organs. The morphology and life history of the generitype A. crinita have been studied repeatedly, and accounts of the species' highly varied reproductive patterns were assumed to be due to the presence of multiple taxa that were reported under this name. Herein, we attempt to contribute to the taxonomy of the genus by conducting morphological and culture studies on 33 Acinetospora samples collected from Japan. We recognised two Acinetospora species and propose to name them A. filamentosa comb. nov. and A. asiatica sp. nov. These two species are distinguished from A. crinita by the absence of monosporangia and plurilocular acinetosporangia/megasporangia. Acinetospora filamentosa and A. asiatica have similar vegetative morphologies but possess different reproductive patterns. The former forms unilocular sporangia on erect filaments and both unilocular sporangia and plurilocular zoidangia on prostrate filaments, while the latter forms plurilocular zoidangia only on both erect and prostrate filaments. Molecular analyses based on rbcL and cox1 genes supported independence of these species.
資料タイプ: article
URI: http://hdl.handle.net/2115/62730
出現コレクション:雑誌発表論文等 (Peer-reviewed Journal Articles, etc)

提供者: 小亀 一弘

 

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