Comparative Study on the Toxic Effects of Red Tide Flagellates<i>Heterocapsa circularisquama</i>and<i>Chattonella marina</i>on the Short-Necked Clam (<i>Ruditapes philippinarum</i>)

  • HONG Hyun-Ki
    Faculty of Marine Biomedical Science (POST BK 21), Jeju National University
  • JIANG Zedong
    Division of Biochemistry, Faculty of Fisheries, Nagasaki University
  • KIM Daekyung
    Jeju Center, Korea Basic Science Institute (KBSI)
  • CHOI Kwang-Sik
    Faculty of Marine Biomedical Science (POST BK 21), Jeju National University
  • YAMASAKI Yasuhiro
    Laboratory of Environmental Biology, Department of Applied Aquabiology, National Fisheries University
  • ZOU Yanan
    Division of Biochemistry, Faculty of Fisheries, Nagasaki University
  • YAMAGUCHI Kenichi
    Division of Biochemistry, Faculty of Fisheries, Nagasaki University
  • CHOI Kyu-Sung
    Department of Biochemistry, College of Sciences, Yonsei University
  • MATSUYAMA Yukihiko
    Seikai National Fisheries Research Institute
  • ODA Tatsuya
    Division of Biochemistry, Faculty of Fisheries, Nagasaki University

書誌事項

タイトル別名
  • Comparative Study on the Toxic Effects of Red Tide Flagellates Heterocapsa circularisquama and Chattonella marina on the Short-Necked Clam (Ruditapes philippinarum)
公開日
2011
資源種別
journal article
DOI
  • 10.1271/bbb.110382
公開者
公益社団法人 日本農芸化学会

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説明

Heterocapsa circularisquama showed much higher toxic effects on short-necked clams than Chattonella marina. Clams exposed to H. circularisquama exhibited morphological changes concomitant with an accumulation of mucus-like substances in the gills, a profound reduction in filtration activity, and lysosomal destabilization in hemocytes. Chattonella marina was less effective than H. circularisquama, and Heterocapsa triquetra was almost harmless in all these criteria. These results suggest that H. circularisquama exerted its lethal effect on short-necked clams through gill tissue damage and subsequent induction of physiological stress.

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