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2019 Fiscal Year Final Research Report

Novel aspects of plant priming and its use for crop breeding

Research Project

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Project/Area Number 16H04879
Research Category

Grant-in-Aid for Scientific Research (B)

Allocation TypeSingle-year Grants
Section一般
Research Field Plant protection science
Research InstitutionHokkaido University

Principal Investigator

Nakahara Kenji  北海道大学, 農学研究院, 講師 (90315606)

Co-Investigator(Kenkyū-buntansha) 山田 哲也  北海道大学, 農学研究院, 講師 (70374618)
Project Period (FY) 2016-04-01 – 2020-03-31
Keywords全身獲得抵抗性 / カルモジュリン様タンパク質 / ウイルス防御機構 / RNAサイレンシング抑制タンパク質 / オートファジー / 転写促進
Outline of Final Research Achievements

We found that 6 calmodulin-like proteins (CML) and endogenous factors that binding to the CMLs interact with virus RNA silencing suppressors and are involved in systemic acquired resistance. Based on the results obtained in this study, we hypothize the molecular mechanism involving these CMLs and endogenous factors unldelying systemic acquired resistance. Moreover, genome editing the gene that were selected according to the results of this study confer antiviral resistance on tomato.

Free Research Field

植物の分子免疫学・ウイルス学分野

Academic Significance and Societal Importance of the Research Achievements

全身獲得抵抗性は繰り返し襲来する病原体感染により強い抵抗性を示すために植物が獲得した防御機構で100年前から知られているが、そのメカニズムは未だ不明の点が多い。本研究でこの全身獲得抵抗性に関わる新たな因子を同定し、それらによる分子メカニズムを解明した。これらの成果は、学術的に重要なだけでなく、全身獲得抵抗性を病害防除や抵抗性育種に活用するための基礎的な知見として農産物生産への貢献も期待出来る。

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Published: 2021-02-19  

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