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Degradative matrix construction with aromatic condensed heterocyclic compounds by petroleum desulfurizing and PAH degrading bacteria, and its application for bioremediation.

Research Project

Project/Area Number 17K08173
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeMulti-year Fund
Section一般
Research Field Environmental agriculture(including landscape science)
Research InstitutionTokyo University of Technology

Principal Investigator

MATSUI Toru  東京工科大学, 応用生物学部, 教授 (90372812)

Project Period (FY) 2017-04-01 – 2020-03-31
Project Status Completed (Fiscal Year 2019)
Budget Amount *help
¥4,680,000 (Direct Cost: ¥3,600,000、Indirect Cost: ¥1,080,000)
Fiscal Year 2019: ¥910,000 (Direct Cost: ¥700,000、Indirect Cost: ¥210,000)
Fiscal Year 2018: ¥2,340,000 (Direct Cost: ¥1,800,000、Indirect Cost: ¥540,000)
Fiscal Year 2017: ¥1,430,000 (Direct Cost: ¥1,100,000、Indirect Cost: ¥330,000)
Keywords有機硫黄化合物 / 微生物分解 / 放線菌 / バイオ脱硫 / 石油分解 / チアンスレン / フェノキサチイン / バイオ脱硫菌 / トランスポゾン / 酸性雨 / Rhodococcus / 複素環
Outline of Final Research Achievements

Microbial degradation of aromatic condensed heterocyclic compounds、namely ACHC was examined using various petroleum compounds degrading bacteria. An actinomycete belonging to Rhodococcus erythropolis could efficiently degrade thianthrene (TH), phenoxathiin (PX), and phenothiadine (PH), with novel degradative pathway for PX, and PH. They were proved to degrade with dsz operon, responsible for dibenzothiophene desulfurization. A matrix table showing the relationship between the ACHC degradation and the bacterial collection was also shown for the application in bioaugumantation.

Academic Significance and Societal Importance of the Research Achievements

本研究により、今後ますます需要が高まる石油系化合物汚染地域の土壌、海洋汚染の効率的な浄化を目的とした、微生物製剤の開発に貢献できると考えられる。また、今回明らかになった分解中間化合物を環境中から検出することにより、関連微生物の存在を明らかにし、土着微生物による土壌浄化の可能性を診断することができる。将来的には、類似構造を持つ有機硫黄化合物の生分解性を推測するデータとなり、生分解性の高い化合物のデザインに貢献できる。

Report

(4 results)
  • 2019 Annual Research Report   Final Research Report ( PDF )
  • 2018 Research-status Report
  • 2017 Research-status Report
  • Research Products

    (6 results)

All 2019 2018 2017

All Presentation (6 results) (of which Int'l Joint Research: 1 results,  Invited: 1 results)

  • [Presentation] 地球環境を清める~バイオレメディエーションとは~2019

    • Author(s)
      松井徹
    • Organizer
      化学会CSJ化学フェスタ
    • Related Report
      2019 Annual Research Report
    • Invited
  • [Presentation] Fate of organosulfur compounds in biological systems2019

    • Author(s)
      Toru MATSU, Leila El Bassi Ben Moussa
    • Organizer
      Tunisia and Japan Symposium on Science, Society and Technology
    • Related Report
      2019 Annual Research Report
    • Int'l Joint Research
  • [Presentation] 有機硫黄化合物の微生物分解2019

    • Author(s)
      村上侑弥,吉村葵,加藤雄大 松井徹(指導)
    • Organizer
      11回大学コンソーシアム八王子学生発表会
    • Related Report
      2019 Annual Research Report
  • [Presentation] バイオ脱硫菌T09株の遺伝子破壊株の解析2018

    • Author(s)
      川野璃子、松井徹
    • Organizer
      生物工学会東日本支部学生発表討論会
    • Related Report
      2018 Research-status Report
  • [Presentation] Organic compounds biodegradation under saline conditions2018

    • Author(s)
      Toru MATSUI, Seiji Kabata, Miho Asano, and Leila El Bassi
    • Organizer
      Tunisian and Japan Symposium 2018
    • Related Report
      2018 Research-status Report
  • [Presentation] バイオ脱硫菌による芳香族複素環化合物の脱硫分解2017

    • Author(s)
      練子荷、藤井啓史、古谷陸、望月康祐、浦瀬太郎、筒井裕文、松井徹
    • Organizer
      日本生物工学会
    • Related Report
      2017 Research-status Report

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Published: 2017-04-28   Modified: 2021-02-19  

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