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Isolation and characterization of extremophiles from sea organisms

Research Project

Project/Area Number 21580098
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeSingle-year Grants
Section一般
Research Field Applied microbiology
Research InstitutionNagasaki University

Principal Investigator

KUDO Toshiaki  長崎大学, 大学院・水産・環境科学総合研究科, 教授 (80109793)

Project Period (FY) 2009 – 2012
Project Status Completed (Fiscal Year 2012)
Budget Amount *help
¥4,810,000 (Direct Cost: ¥3,700,000、Indirect Cost: ¥1,110,000)
Fiscal Year 2012: ¥910,000 (Direct Cost: ¥700,000、Indirect Cost: ¥210,000)
Fiscal Year 2011: ¥910,000 (Direct Cost: ¥700,000、Indirect Cost: ¥210,000)
Fiscal Year 2010: ¥1,430,000 (Direct Cost: ¥1,100,000、Indirect Cost: ¥330,000)
Fiscal Year 2009: ¥1,560,000 (Direct Cost: ¥1,200,000、Indirect Cost: ¥360,000)
Keywords海藻バイオマス / 糖質分解菌 / 極限環境微生物 / 海洋バイオマス
Research Abstract

For the effective use of marine biomass resource seaweed, we searched for extremophiles such as halophiles and alkaliphiles from various sea organisms. We found new carbohydrate-degrading enzymes from the extremophiles. In addition, alkaliphilic lactic acid bacteria degraded hemicellulose, xylan to produce lactic acid, acetic acid, and ethanol effectively. The extremophiles showed slightly lactic acid fermentation from seaweed, too. These results suggest that extremphiles are new microbial resource and are also resource of new carbohydrate degrading enzymes.

Report

(5 results)
  • 2012 Annual Research Report   Final Research Report ( PDF )
  • 2011 Annual Research Report
  • 2010 Annual Research Report
  • 2009 Annual Research Report
  • Research Products

    (13 results)

All 2013 2012 2011 2010

All Journal Article (7 results) (of which Peer Reviewed: 6 results) Presentation (6 results)

  • [Journal Article] hysiological characterization of aerobic culturable bacteria in the intestine of the sea cucumber Apostichopus japonicas2013

    • Author(s)
      Xiaochi Zhang, Tomomi Nakahara, Shinji Murase, Hideaki Nakata, Tetsushi Inoue, Toshiaki Kudo
    • Journal Title

      The Journal of General and Applied Microbiology

      Volume: (in press)

    • Related Report
      2012 Final Research Report
    • Peer Reviewed
  • [Journal Article] Physiological characterization of aerobic culturable bacteria in the intestine of the sea cucumber <i>Apostichopus japonicus</i>2013

    • Author(s)
      Xiaochi Zhang, Tomomi Nakahara, Shinji Murase, Hideaki Nakata, Tetsushi Inoue and Toshiaki Kudo
    • Journal Title

      The Journal of General and Applied Microbiology

      Volume: 59 Issue: 1 Pages: 1-10

    • DOI

      10.2323/jgam.59.1

    • NAID

      130004449349

    • ISSN
      0022-1260, 1349-8037
    • Related Report
      2012 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Diversity and function of aerobic culturable bacteria in the intestine of deep-sea holothurian2012

    • Author(s)
      Xiaochi Zhang, Tomomi Nakahara, Nozomi Ochiai, Ayumi Kawauchi, Jun Hashimoto, Tetsushi Inoue, Toshiaki Kudo
    • Journal Title

      Journal of Japanese Society for Extremophiles

      Volume: 11巻2号 Pages: 49-58

    • NAID

      120006985838

    • Related Report
      2012 Final Research Report
    • Peer Reviewed
  • [Journal Article] Diversity and function of aerobic culturable bacteria in the intestine of the sea cucumber Holothuria leucospilota2012

    • Author(s)
      Xiaochi Zhang, Tomomi Nakahara, Masayuki Miyazaki, Yuichi Nogi, Shigeto Taniyama, Osamu Arakawa, Tetsushi Inoue,Toshiaki Kudo
    • Journal Title

      The Journal of General and Applied Microbiology

      Volume: 58巻6号 Pages: 447-456

    • NAID

      130004802236

    • Related Report
      2012 Final Research Report
    • Peer Reviewed
  • [Journal Article] Diversity and function of aerobic culturable bacteria in the intestine of deep-sea holothurian2012

    • Author(s)
      Xiaochi Zhang, Tomomi Nakahara, Nozomi Ochiai, Ayumi Kawauchi, Jun Hashimoto, Tetsushi Inoue and Toshiaki Kudo
    • Journal Title

      Journal of Japanese Society for Extremophiles

      Volume: 11 Pages: 49-58

    • NAID

      120006985838

    • Related Report
      2012 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Diversity and function of aerobic culturable bacteria in the intestine of the sea cucumber <i>Holothuria leucospilota</i>2012

    • Author(s)
      Xiaochi Zhang, Tomomi Nakahara, Masayuki Miyazaki, Yuichi Nogi, Shigeto Taniyama, Osamu Arakawa, Tetsushi Inoue and Toshiaki Kudo
    • Journal Title

      The Journal of General and Applied Microbiology

      Volume: 58 Issue: 6 Pages: 447-456

    • DOI

      10.2323/jgam.58.447

    • NAID

      130004802236

    • ISSN
      0022-1260, 1349-8037
    • Related Report
      2012 Annual Research Report
    • Peer Reviewed
  • [Journal Article] 生態系サービスを読み解くという文脈におけるバイオマス糖化研究2011

    • Author(s)
      守屋繁春、工藤俊章
    • Journal Title

      バイオエタノール通信

      Volume: 7号 Pages: 28-32

    • Related Report
      2012 Final Research Report 2011 Annual Research Report
  • [Presentation] 藻食性魚類消化管からの各種糖質分解菌の単離と機能解析2011

    • Author(s)
      木田宗明、工藤俊章
    • Organizer
      第12回極限環境生物学会年会
    • Place of Presentation
      長崎
    • Year and Date
      2011-11-27
    • Related Report
      2012 Final Research Report
  • [Presentation] 藻食性魚類消化管からの各種糖質分解菌の単離と機能解析2011

    • Author(s)
      木田宗明、工藤俊章
    • Organizer
      第12回極限環境生物学会年会
    • Place of Presentation
      長崎大学
    • Year and Date
      2011-11-27
    • Related Report
      2011 Annual Research Report
  • [Presentation] 藻食性魚類消化管からの糖質分解菌の単離と解析2011

    • Author(s)
      木田宗明、工藤俊章
    • Organizer
      平成23年度日本水産学会秋季大会
    • Place of Presentation
      長崎
    • Year and Date
      2011-09-30
    • Related Report
      2012 Final Research Report
  • [Presentation] 藻食性魚類消化管からの糖質分解菌の単離と解析2011

    • Author(s)
      木田宗明、工藤俊章
    • Organizer
      平成23年度日本水産学会秋季大会
    • Place of Presentation
      長崎大学
    • Year and Date
      2011-09-30
    • Related Report
      2011 Annual Research Report
  • [Presentation] 海は極限環境微生物の宝庫?2010

    • Author(s)
      工藤俊章
    • Organizer
      海洋研究開発機構第7回海と地球の研究所セミナー
    • Place of Presentation
      長崎市
    • Year and Date
      2010-07-24
    • Related Report
      2012 Final Research Report
  • [Presentation] 海は極限環境微生物の宝庫?2010

    • Author(s)
      工藤俊章
    • Organizer
      海洋研究開発機構第7回海と地球の研究所セミナー
    • Place of Presentation
      長崎市科学館
    • Year and Date
      2010-07-24
    • Related Report
      2010 Annual Research Report

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Published: 2009-04-01   Modified: 2025-11-18  

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