Selective Toxic Effects of Polyunsaturated Fatty Acids Derived from Ulva fasciata on Red Tide Phyotoplankter Species

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概要

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• α-linolenic acid and linoleic acid isolated from Ulva fasciata showed toxic effects on red tide phytoplankters in a concentration-dependent manner. Among six species tested, raphidophycean flagellate Heterosigma akashiwo was the most susceptible to these fatty acids, and 50% lethal concentrations (LC50) of α-linolenic acid and linoleic acid were estimated to be 0.58 and 1.91 μg/ml respectively, whereas dinoflagellate Gymnodinium impudicum and Heterocapsa circularisquama were highly resistant and no significant toxic effects were observed up to 1,000 μg/ml. Both fatty acids were less toxic to fish (devil stinger), zooplankters (brine shrimp and rotifer), and mammalian cell lines (U937, HeLa, Vero, and CHO cells) than H. akashiwo.

• 社団法人 日本農芸化学会の論文

著者

• Oda Tatsuya

  Division Of Biochemistry Faculty Of Fisheries Nagasaki University

• YAMAGUCHI Kenichi

  Division of Biochemistry, Faculty of Fisheries, Nagasaki University

• Kim D

  Jeju Center Korea Basic Science Institute (kbsi)

• Alamsjah Mochammad

  Graduate School of Science and Technology, Nagasaki University

• Ishibe Keiko

  Graduate School of Science and Technology, Nagasaki University

• Kim Daekyung

  Division of Biochemistry, Faculty of Fisheries, Nagasaki University

• ISHIBASHI Fumito

  Division of Marine Life Science and Biochemistry, Faculty of Fisheries, Nagasaki University

• FUJITA Yuji

  Graduate School of Science and Technology, Nagasaki University

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