Studies on life cycles of aquatic parasites, in particular, host-specificities of their infective stages

2010 Fiscal Year Self-evaluation Report

• Project/Area Number: 20380110
• Research Category: Grant-in-Aid for Scientific Research (B)
• Allocation Type: Single-year Grants
• Section: 一般
• Research Field: General fisheries
• Research Institution: Hiroshima University
• Principal Investigator: OHTSUKA Susumu Hiroshima University, 大学院・生物圏科学研究科, 教授 (00176934)
• Project Period (FY): 2008 – 2012
• Keywords: 寄生生物 / 生活史 / 生理生態

Research Abstract

水産学、生態学上重要な寄生生物の生活史を解明する.特に感染期の宿主特異性の発現パターンとメカニズムについて研究を行う。当初の主な研究項日は以下の通りである。
(1)カリグス科カイアシ類の生活史、宿主特異性
(2)単生類の生活史、感染期の生態
(3)等脚類の生活史、宿主特異性
(4)寄生性渦鞭毛藻類の生活史、感染期の細胞特性
(5)隔口類繊毛虫の生活史、感染期の細胞特性

Research Products

• [Journal Article] Symbiosis of planktonic copepods and mysids with epibionts and parasites in the North Pacific : diversity and interactions. (2011)
  • Author(s): Ohtsuka S, Horieuchi T, Hanamura Y, Yamaguchi A, Shimomura M, Suzaki T, Ishiguro K, Hanaoka H, Yamada K, Ohtani S.
  • Journal Title: Crustacean Monograph 15 Pages: 1-14
  • Peer Reviewed
• [Journal Article] Recent advances in the biology of the parasitic copepod Pseudocaligus fugu (Siphonostomatoida, Caligidae), host specific to pufferfishes of the genus Takifugu (Actinopterygii, Tetradontidae) (2011)
  • Author(s): Venmathi Maran BA, Ohtsuka S, Takami I, Okabe S, Boxshall GA.
  • Journal Title: Crustacean Monograph 15 Pages: 31-45
  • Peer Reviewed
• [Journal Article] Two new species of ectoparasitic isopods (Isopoda, Dajidae) from mysids in Japan. (2011)
  • Author(s): Shimomura M, Ohtsuka S.
  • Journal Title: Crustacean Monograph 15 Pages: 23-30
  • Peer Reviewed
• [Journal Article] Developmental stages and growth of Pseudocaligus fugu Yamaguti, 1936 (Copepoda : Siphonostomatoida : Caligidae) host-specific to puffer. (2009)
  • Author(s): Ohtsuka S Takami I, Venmathi Maran BA, Oeawa K, Shirnono T, Fujita Y, Asakawa M, Boxshall GA.
  • Journal Title: J Nat Hist 43 Pages: 1779-1804
  • Peer Reviewed
• [Journal Article] Descriptions of caligiform copepods in plankton samples collected from East Asia : accidental occurrences or a new mode of life cycle? (2008)
  • Author(s): Venmathi Maran BA, Ohtsuka S.
  • Journal Title: Plankton Benthos Res 3 Pages: 202-215
  • Peer Reviewed
• [Presentation] 海産カイアシ類に寄生する隔口類繊毛虫Vampyrophrya pelaglcaのtrophont期における多層膜状構造の変化 (2010)
  • Author(s): 金澤篤志・大塚攻・洲崎敏伸・安藤元紀
  • Organizer: 第81回日本動物学会
  • Place of Presentation: 東京
  • Year and Date: 2010-09-23
• [Presentation] Occurrence of adults of copepods parasitic on fish in plankton samples : accident or alternative life strategy (2010)
  • Author(s): Ohtsuka S, Madinabeitia I, Yamashita H, Venmathi Maran BA
  • Organizer: Seventh International Crustacean Congress
  • Place of Presentation: 青島,中国(招待講演)
  • Year and Date: 2010-06-21
• [Presentation] あるベオラータ生物群:多様性と系統 (2010)
  • Author(s): 堀口健雄
  • Organizer: 2010年度日本プランクトン学会春季シンポジウム
  • Place of Presentation: 東京(招待講演)
  • Year and Date: 2010-03-30
• [Presentation] 動物プランクトンに共生する繊毛虫類の生活史と生態的機能 (2010)
  • Author(s): 大塚攻・山口篤・花村幸生
  • Organizer: 2010年度日本プランクトン学会春季シンポジウム
  • Place of Presentation: 東京(招待講演)
  • Year and Date: 2010-03-30
• [Presentation] Symbiosis on planktonic crustaceans : diversity and interaction (2009)
  • Author(s): Ohtsuka S, Hanamura Y, Horiguchi T, Yamaguchi A,, Shimomura M, Suzaki T
  • Organizer: The Crustacean Society Summer Meeting
  • Place of Presentation: Tokyo, Japan(招待講演)
  • Year and Date: 2009-09-22
• [Book] 生物学辞典 (2010)
  • Author(s): 大塚攻(分担執筆)
  • Total Pages: 1615
  • Publisher: 東京化学同人株式会社
• [Book] 甲殻亜門,節足動物の多様性と系統 (2008)
  • Author(s): 大塚攻・駒井智幸
  • Total Pages: 172-268
  • Publisher: 裳華房