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Application of biosynthetic genes for fungal secondary metabolites by using Cre-loxp system

Research Project

Project/Area Number 24560960
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeMulti-year Fund
Section一般
Research Field Biofunction/Bioprocess
Research InstitutionOsaka University

Principal Investigator

KINOSHITA Hiroshi  大阪大学, 生物工学国際交流センター, 助教 (20294035)

Co-Investigator(Renkei-kenkyūsha) 五十嵐 康弘  富山県立大学, 工学部 (20285159)
Project Period (FY) 2012-04-01 – 2015-03-31
Project Status Completed (Fiscal Year 2014)
Budget Amount *help
¥5,070,000 (Direct Cost: ¥3,900,000、Indirect Cost: ¥1,170,000)
Fiscal Year 2014: ¥1,690,000 (Direct Cost: ¥1,300,000、Indirect Cost: ¥390,000)
Fiscal Year 2013: ¥1,300,000 (Direct Cost: ¥1,000,000、Indirect Cost: ¥300,000)
Fiscal Year 2012: ¥2,080,000 (Direct Cost: ¥1,600,000、Indirect Cost: ¥480,000)
Keywords生理活性物質 / Cre-loxP / 生合成遺伝子クラスター / 異種生産系 / 糸状菌 / Aspergillus oryzae / 麹菌 / 二次代謝物質 / Aspergillus
Outline of Final Research Achievements

Based on the homology, a biosynthetic gene cluster for a bioactive compound was select from the genome of Lecanicillium sp. to be introduced into Aspergillus oryzae.
Two vectors harboring a terminal region of the gene cluster and a loxP site were inserted at the outside of the target gene cluster. The target gene cluster between two loxP sites was rescued in a circular fosmid by Cre recombinase from the genomic DNA. The fosmid was introduced into A. oryzae. The resultant transformant was cultivated, and the metabolites were analyzed, displaying novel compounds which did not exist in the metabolites of the host strain. As a result of analysis on the compounds, the compounds were proven to be derived from the introduced gene cluster.

Report

(4 results)
  • 2014 Annual Research Report   Final Research Report ( PDF )
  • 2013 Research-status Report
  • 2012 Research-status Report
  • Research Products

    (6 results)

All 2015 2014 2012 Other

All Journal Article (1 results) (of which Peer Reviewed: 1 results) Presentation (3 results) Remarks (2 results)

  • [Journal Article] Efficient and versatile transformation systems in entomopathogenic fungus Lecanicillium species2014

    • Author(s)
      Kei-ichi Ishidoh, Hiroshi Kinoshita, Fumio Ihara, Takuya Nihira
    • Journal Title

      Curr Genet

      Volume: 60 Issue: 2 Pages: 99-108

    • DOI

      10.1007/s00294-013-0399-5

    • Related Report
      2013 Research-status Report
    • Peer Reviewed
  • [Presentation] 昆虫病原性糸状菌ゲノムへのランダム遺伝子挿入による新規二次代謝物質の取得2015

    • Author(s)
      佐藤巧規、木下 浩、井原史雄、仁平卓也
    • Organizer
      日本農芸化学会
    • Place of Presentation
      岡山大学
    • Year and Date
      2015-03-27 – 2015-03-29
    • Related Report
      2014 Annual Research Report
  • [Presentation] Characterization of argB gene from Lecanicillium sp. HF6272012

    • Author(s)
      Nguyen Nhu Ha Vy, Keiichi Ishido, Hiroshi Kinoshita, Takuya Nihira
    • Organizer
      第64回生物工学会大会
    • Place of Presentation
      神戸国際会議場
    • Related Report
      2012 Research-status Report
  • [Presentation] 石堂 圭一、木下 浩、井原 史雄1、仁平 卓也2012

    • Author(s)
      昆虫病原性糸状菌Lecanicillium sp.における自律複製型ベクターを用いた形質転換系の構築
    • Organizer
      第12回糸状菌分子生物学コンファレンス
    • Place of Presentation
      ウインクあいち
    • Related Report
      2012 Research-status Report
  • [Remarks] 大阪大学生物工学国際交流センター

    • URL

      http://www.icb.osaka-u.ac.jp

    • Related Report
      2014 Annual Research Report
  • [Remarks] 大阪大学生物工学国際交流センター

    • URL

      http://www.icb.osaka-u.ac.jp/

    • Related Report
      2012 Research-status Report

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Published: 2013-05-31   Modified: 2019-07-29  

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