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An experimental approach to study the biosynthesis of brominated metabolites by the red algal genus Laurencia

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タイトル: An experimental approach to study the biosynthesis of brominated metabolites by the red algal genus Laurencia
著者: Suzuki, Minoru 著作を一覧する
Takahashi, Yoshinori 著作を一覧する
Nakano, Satoru 著作を一覧する
Abe, Tsuyoshi 著作を一覧する
Masuda, Michio 著作を一覧する
Ohnishi, Toshiyuki 著作を一覧する
Noya, Yoichi 著作を一覧する
Seki, Koh-ichi 著作を一覧する
キーワード: Laurencia sp.
Rhodomelaceae
Brominated metabolites
Biosynthesis
82Br-compounds
TLC-ARLG method
発行日: 2009年 7月
出版者: Elsevier Ltd.
誌名: Phytochemistry
巻: 70
号: 11-12
開始ページ: 1410
終了ページ: 1415
出版社 DOI: 10.1016/j.phytochem.2009.07.038
抄録: The production of labeled brominated metabolites with radioactive 82Br in Laurencia species was investigated as part of a study of the biosynthesis of halogenated metabolites from species belonging to the red algal genus Laurencia (Rhodomelaceae, Ceramiales). Radiobromide [82Br], thin-layer chromatography (TLC), and TLC-autoradioluminography (ARLG) were used. When cultured in artificial seawater medium (ASP12NTA including Na82Br) under 16:8 h light:dark (LD) illumination cycles for 24 h, each of the strains of Laurencia, Laurencia japonensis Abe et Masuda, Laurencia nipponica Yamada (laurencin-producing race and laureatin-producing race), and Laurencia okamurae Yamada, produced species- (or race-) specific 82Br-containing metabolites. In the case of the laurencin-producing race of L. nipponica, laurencin and deacetyllaurencin were found to be produced in approximately 1:1 ratio, though laurencin is the major metabolite in the wild sample. Furthermore, when cultured in the dark, the production rates of brominated metabolites in Laurencia spp. were found to be diminished. The present study strongly indicates that the use of radiobromine [82Br] in combination with the TLC-ARLG method is an effective approach for investigating the biosynthesis of brominated metabolites in Laurencia.
資料タイプ: article (author version)
URI: http://hdl.handle.net/2115/42544
出現コレクション:雑誌発表論文等 (Peer-reviewed Journal Articles, etc)

提供者: 関 興一

 

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