Selective Toxic Effects of Polyunsaturated Fatty Acids Derived fromUlva fasciataon Red Tide Phyotoplankter Species | Zendy

Mochammad Amin Alamsjah | Zendy; Keiko Ishibe | Zendy; Daekyung Kim | Zendy; Kenichi Yamaguchi | Zendy; Fumito Ishibashi | Zendy; Yuji Fujita | Zendy; Tatsuya Oda | Zendy

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Selective Toxic Effects of Polyunsaturated Fatty Acids Derived fromUlva fasciataon Red Tide Phyotoplankter Species

Author(s) -

Mochammad Amin Alamsjah,

Keiko Ishibe,

Daekyung Kim,

Kenichi Yamaguchi,

Fumito Ishibashi,

Yuji Fujita,

Tatsuya Oda

Publication year - 2007

Publication title -

bioscience biotechnology and biochemistry

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.509

H-Index - 116

eISSN - 1347-6947

pISSN - 0916-8451

DOI - 10.1271/bbb.60475

Subject(s) - heterosigma akashiwo , biology , red tide , polyunsaturated fatty acid , gymnodinium , linoleic acid , dinoflagellate , brine shrimp , linolenic acid , botany , fatty acid , food science , biochemistry , algal bloom , ecology , phytoplankton , nutrient

Alpha-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 alpha-linolenic acid and linoleic acid were estimated to be 0.58 and 1.91 microg/ml respectively, whereas dinoflagellate Gymnodinium impudicum and Heterocapsa circularisquama were highly resistant and no significant toxic effects were observed up to 1,000 microg/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.

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