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Decomposition process of sediment organic matter by predator-prey relationship between Capitella and bacteria

Research Project

Project/Area Number 21710081
Research Category

Grant-in-Aid for Young Scientists (B)

Allocation TypeSingle-year Grants
Research Field Environmental technology/Environmental materials
Research InstitutionEhime University

Principal Investigator

KUNIHIRO Tadao  Ehime University, 沿岸環境科学研究センター・グローバル, COE研究員 (90512690)

Project Period (FY) 2009 – 2010
Project Status Completed (Fiscal Year 2010)
Budget Amount *help
¥4,680,000 (Direct Cost: ¥3,600,000、Indirect Cost: ¥1,080,000)
Fiscal Year 2010: ¥1,170,000 (Direct Cost: ¥900,000、Indirect Cost: ¥270,000)
Fiscal Year 2009: ¥3,510,000 (Direct Cost: ¥2,700,000、Indirect Cost: ¥810,000)
Keywordsイトゴカイ / 海洋微生物 / 有機汚泥 / キノンプロファイル / 安定同位体 / 生物間相互作用 / PCR-DGGE / 安定同立体 / 有機物代謝 / quinone-SIP
Research Abstract

This study aims at clarifying the interaction and association between Capitella sp. I and bacteria on the decomposition of organic matter in the organically enriched sediment. In the associated system with the Capitella and the bacteria in the organically enriched sediment, the decomposition of the organic matter may proceed rapidly. It is very likely that the Capitella works as a promoter of bacteria in the organically enriched sediment, and feeds the increased bacteria as one of the main foods, while the bacteria decompose the organic matter in the sediment with the assistance of the Capitella.

Report

(3 results)
  • 2010 Annual Research Report   Final Research Report ( PDF )
  • 2009 Annual Research Report
  • Research Products

    (7 results)

All 2011 2010 2009

All Journal Article (2 results) (of which Peer Reviewed: 1 results) Presentation (5 results)

  • [Journal Article] Increase in Alphaproteobacteria in association with a polychaete, Capitella sp.I, in the organically enriched sediment.2011

    • Author(s)
      Tadao Kunihiro, Hiroyuki Takasu, Tomoaki Miyazaki, Yuuta Uramoto, Kyoko Kinoshita, Supaporn Yodnarasri, Daigo Hama, Minoru Wada, Kazuhiro Kogure, Kouichi Ohwada, Hiroaki Tsutsumi.
    • Journal Title

      The ISME Journal (Nature Publishing Group). (accepted)

    • Related Report
      2010 Final Research Report
    • Peer Reviewed
  • [Journal Article] Increase in Alphaproteobacteria in association with a polychaete, Capitella sp.I, in the organically enriched sediment2011

    • Author(s)
      Tadao Kunihiro, Hiroyuki Takasu, Tomoaki Miyazaki, Yuuta Uramoto, Kyoko Kinoshita, Supaporn Yodnarasri, Daigo Hama, Minoru Wada, Kazuhiro Kogure, Kouichi Ohwada, Hiroaki Tsutsumi
    • Journal Title

      The ISME Journal

      Volume: DOI:10.1038/ismej.2011.57(In press)

    • Related Report
      2010 Annual Research Report
  • [Presentation] 魚類養殖場由来の有機物が与える海底の微生物群集への影響2010

    • Author(s)
      國弘忠生、大森浩二、伊藤克敏、堤裕昭
    • Organizer
      日本生態学会第57回全国大会
    • Place of Presentation
      東京大学(東京都)
    • Year and Date
      2010-03-16
    • Related Report
      2009 Annual Research Report
  • [Presentation] Bioremediation experiment in fish farm sediments with artificially cultured colonies of a deposit-feeding polychaete, Capitella sp.2010

    • Author(s)
      Tadao Kunihiro, Hiroaki Tsutsumi, Koji Omori
    • Organizer
      International Symposium on Modeling and Analysis of Marine Environmental Problems (MAMEP 2010).P.74
    • Place of Presentation
      Matsuyama, Japan
    • Related Report
      2010 Final Research Report
  • [Presentation] 魚類養殖場由来の有機物が与える海底の微生物群集への影響2010

    • Author(s)
      國弘忠生、大森浩二、伊藤克敏、堤裕昭
    • Organizer
      日本生態学会第57回全国大会.P.322
    • Place of Presentation
      東京
    • Related Report
      2010 Final Research Report
  • [Presentation] 魚類養殖場周辺海域の堆積有機物と微生物群集の関係2009

    • Author(s)
      國弘忠生、堤裕昭、伊藤克敏、大森浩二
    • Organizer
      第25回日本微生物生態学会
    • Place of Presentation
      広島大学(広島県)
    • Year and Date
      2009-11-21
    • Related Report
      2009 Annual Research Report
  • [Presentation] 魚類養殖場周辺海域の堆積有機物と微生物群集の関係2009

    • Author(s)
      國弘忠生、堤裕昭、伊藤克敏、大森浩二
    • Organizer
      第25回日本微生物生態学会.p.54
    • Place of Presentation
      東広島
    • Related Report
      2010 Final Research Report

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Published: 2009-04-01   Modified: 2016-04-21  

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