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Elucidation of the mechanism of Cre-loxP recombination by direct introduction of Cre recombinase and application to artificial nuclease (TALENs) in Aspergillus oryzae

Research Project

Project/Area Number 25871247
Research Category

Grant-in-Aid for Young Scientists (B)

Allocation TypeMulti-year Fund
Research Field Applied biochemistry
Applied molecular and cellular biology
Research InstitutionNational Research Institute of Brewing

Principal Investigator

Mizutani Osamu  独立行政法人酒類総合研究所, 研究部門, 主任研究員 (10443996)

Project Period (FY) 2013-04-01 – 2016-03-31
Project Status Completed (Fiscal Year 2015)
Budget Amount *help
¥4,290,000 (Direct Cost: ¥3,300,000、Indirect Cost: ¥990,000)
Fiscal Year 2015: ¥1,300,000 (Direct Cost: ¥1,000,000、Indirect Cost: ¥300,000)
Fiscal Year 2014: ¥1,560,000 (Direct Cost: ¥1,200,000、Indirect Cost: ¥360,000)
Fiscal Year 2013: ¥1,430,000 (Direct Cost: ¥1,100,000、Indirect Cost: ¥330,000)
Keywords遺伝子工学 / 麹菌 / マーカーリサイクリング / Cre/loxP システム / 人工ヌクレアーゼ (TALEN) / 遺伝子組換え / Aspergillus oryzae
Outline of Final Research Achievements

We developed a simple method to use the Cre-loxP recombination system for marker gene rescue in A. oryzae by direct introduction of Cre into protoplasts using DNA as a carrier for the enzyme. To apply the simple method to artificial nucleases (TALEN) for genome editing, we examined kinds of the carrier and conditions of Cre without the carrier for direct introduction. In the carrier, RNA and heparin as well as DNA were available for the carrier. We showed that to raise the electric charge and the concentration of Cre was available for the direct introduction without using the carrier. In addition, because the genome editing of A. oryzae via the error of nonhomologous end-joining repair by a transient expression of TALENs was confirmed, the recombinant TALENs were purified. Hence, we will perform the direct introduction for the genome editing of A. oryzae using the purified TALENs.

Report

(4 results)
  • 2015 Annual Research Report   Final Research Report ( PDF )
  • 2014 Research-status Report
  • 2013 Research-status Report
  • Research Products

    (3 results)

All 2016 2015 2014

All Presentation (3 results)

  • [Presentation] 麹菌のCre組換え酵素直接導入法における応用開発2016

    • Author(s)
      利田 賢次、林 梨咲、五味 勝也、山田 修、水谷 治
    • Organizer
      日本農芸化学会 2016 年度大会
    • Place of Presentation
      札幌
    • Year and Date
      2016-03-27
    • Related Report
      2015 Annual Research Report
  • [Presentation] Platinum-Fungal TALENs を用いた麹菌におけるゲノム編集2015

    • Author(s)
      水谷 治, 荒添貴之, 利田賢次, 林梨咲, 大里修一, 佐久間哲史, 山本 卓, 桑田茂, 山田 修
    • Organizer
      第 67 回日本生物工学会大会
    • Place of Presentation
      鹿児島
    • Year and Date
      2015-10-26
    • Related Report
      2015 Annual Research Report
  • [Presentation] TALEN を用いた麹菌 Aspergillus oryzae におけるゲノム編集2014

    • Author(s)
      水谷 治、荒添貴之、利田賢次、林 梨咲、大里 修一、佐久間哲史、山本 卓、 桑田 茂、山田 修
    • Organizer
      第4回 ゲノム編集研究会
    • Place of Presentation
      広島
    • Year and Date
      2014-10-06 – 2014-10-07
    • Related Report
      2014 Research-status Report

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Published: 2014-07-25   Modified: 2019-07-29  

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