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Optimization of base editing technology

Research Project

Project/Area Number 19K21180
Project/Area Number (Other) 18H06050 (2018)
Research Category

Grant-in-Aid for Research Activity Start-up

Allocation TypeMulti-year Fund (2019)
Single-year Grants (2018)
Review Section 0701:Biology at molecular to cellular levels, and related fields
Research InstitutionKobe University

Principal Investigator

Yoshioka Shin  神戸大学, 科学技術イノベーション研究科, 特命助教 (50821980)

Project Period (FY) 2018-08-24 – 2020-03-31
Project Status Completed (Fiscal Year 2019)
Budget Amount *help
¥2,990,000 (Direct Cost: ¥2,300,000、Indirect Cost: ¥690,000)
Fiscal Year 2019: ¥1,430,000 (Direct Cost: ¥1,100,000、Indirect Cost: ¥330,000)
Fiscal Year 2018: ¥1,560,000 (Direct Cost: ¥1,200,000、Indirect Cost: ¥360,000)
KeywordsBase editing / ゲノム編集 / 塩基置換 / Genome editing
Outline of Research at the Start

「Target-AID法」は改変体Cas9とエフェクターとしてデアミナーゼを組み合わせたものであり、塩基置換を誘導できる有用なゲノム改変ツールである。
本研究ではより効率よく安全にゲノム編集を実行できるように「Target-AID法」の改善に取り組む。

Outline of Final Research Achievements

Base editing such as Target-AID is a new genome editing technology that enable direct DNA base conversion without DNA double strand break. This technology has advantages such as lower cytotoxicity and easier introduction of targeted base replacement compare to the conventional genome editing tools.
We found that the CDA1 attached to the N terminal of nCas9 increased genome editing efficiency. Also, to shorten or lengthen the sgRNA shifted editing window.

Academic Significance and Societal Importance of the Research Achievements

塩基編集技術はDNA二本鎖切断を介さずに直接ゲノムを書き換えることが可能であることから、DNA二本鎖切断を前提とする一般的なCRISPR/Cas9 systemと比較してより安全におよび正確にゲノム編集を行うことができる。これらのことから医療などへの応用展開が期待される重要なゲノム改変技術である。その為、本研究を通して得られた基盤技術であるTarget-AIDの特性は今後の応用へ向けた技術開発に重要なものとなる。

Report

(3 results)
  • 2019 Annual Research Report   Final Research Report ( PDF )
  • 2018 Annual Research Report
  • Research Products

    (1 results)

All 2019

All Presentation (1 results) (of which Invited: 1 results)

  • [Presentation] Trends in the recent base editing technology.2019

    • Author(s)
      吉岡 伸
    • Organizer
      日本ゲノム編集学会
    • Related Report
      2019 Annual Research Report
    • Invited

URL: 

Published: 2018-08-27   Modified: 2024-03-26  

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