• Search Research Projects
  • Search Researchers
  • How to Use
  1. Back to previous page

Identification of a disease resistant gene in anthesis of rice. Does it block the attack of the pathogen on the surface of stigma after the pollination?

Research Project

Project/Area Number 18K05581
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeMulti-year Fund
Section一般
Review Section Basic Section 39010:Science in plant genetics and breeding-related
Research InstitutionNational Agriculture and Food Research Organization

Principal Investigator

Mizobuchi Ritsuko  国立研究開発法人農業・食品産業技術総合研究機構, 作物研究部門, グループ長補佐 (40425591)

Project Period (FY) 2018-04-01 – 2023-03-31
Project Status Completed (Fiscal Year 2022)
Budget Amount *help
¥4,420,000 (Direct Cost: ¥3,400,000、Indirect Cost: ¥1,020,000)
Fiscal Year 2020: ¥1,430,000 (Direct Cost: ¥1,100,000、Indirect Cost: ¥330,000)
Fiscal Year 2019: ¥910,000 (Direct Cost: ¥700,000、Indirect Cost: ¥210,000)
Fiscal Year 2018: ¥2,080,000 (Direct Cost: ¥1,600,000、Indirect Cost: ¥480,000)
Keywordsイネ / 病害抵抗性 / もみ枯細菌病 / Burkholderia glumae
Outline of Final Research Achievements

The objective of this study is cloning and characterization the QTL (RBG2) for resistance to bacterial grain rot, caused by the bacterial pathogen Burkholderia glumae, which is a destructive disease in heading stage of rice. We analyzed the CSSLs derived from a cross between Koshihikari (susceptible) and cultivars of World Rice Collection. We found that a line derived from cultivar A was resistant. The expression of RBG2 on the surface of stigma was detected in both of K (resistant) and H (susceptible).

Academic Significance and Societal Importance of the Research Achievements

本研究では、もみ枯細菌病菌に対する穂枯れ抵抗性遺伝子の単離と機能解明を目指し、コアコレクション品種の染色体を「コシヒカリ」(罹病性)に導入した染色体置換系統(CSSLs)から、品種AのRBG2領域をコシヒカリに導入した系統が穂枯れ抵抗性を示すことを明らかにした。このことは、世界の複数の品種のRBG2アリルが今後育種母本として有用であることを示唆している。もみ枯細菌病の穂枯れ抵抗性遺伝子を単離して機能を明らかにした報告はないため、本研究成果は、学術的および育種的に重要な知見であり、今後は本研究で見出した予測遺伝子が真の原因遺伝子であるかどうかを明らかにしていく予定である。

Report

(6 results)
  • 2022 Annual Research Report   Final Research Report ( PDF )
  • 2021 Research-status Report
  • 2020 Research-status Report
  • 2019 Research-status Report
  • 2018 Research-status Report
  • Research Products

    (3 results)

All 2023 2020 2019

All Journal Article (2 results) (of which Peer Reviewed: 2 results,  Open Access: 2 results) Presentation (1 results)

  • [Journal Article] A MAPKKK gene from rice, RBG1res, confers resistance to Burkholderia glumae through negative regulation of ABA2023

    • Author(s)
      Mizobuchi Ritsuko、Sugimoto Kazuhiko、Tsushima Seiya、Fukuoka Shuichi、Tsuiki Chikako、Endo Masaki、Mikami Masafumi、Saika Hiroaki、Sato Hiroyuki
    • Journal Title

      Scientific Reports

      Volume: 13 Issue: 1 Pages: 3947-3947

    • DOI

      10.1038/s41598-023-30471-9

    • Related Report
      2022 Annual Research Report
    • Peer Reviewed / Open Access
  • [Journal Article] Evaluation of major rice cultivars for resistance to bacterial seedling rot caused by <i>Burkholderia glumae</i> and identification of Japanese standard cultivars for resistance assessments2020

    • Author(s)
      Mizobuchi Ritsuko、Fukuoka Shuichi、Tsuiki Chikako、Tsushima Seiya、Sato Hiroyuki
    • Journal Title

      Breeding Science

      Volume: 70 Issue: 2 Pages: 221-230

    • DOI

      10.1270/jsbbs.19117

    • NAID

      130007833734

    • ISSN
      1344-7610, 1347-3735
    • Related Report
      2019 Research-status Report
    • Peer Reviewed / Open Access
  • [Presentation] 日本の主要水稲品種のもみ枯細菌病菌による苗腐敗抵抗性の評価2019

    • Author(s)
      溝淵律子、福岡修一、對木千加子、對馬誠也、佐藤宏之
    • Organizer
      日本育種学会
    • Related Report
      2018 Research-status Report

URL: 

Published: 2018-04-23   Modified: 2024-01-30  

Information User Guide FAQ News Terms of Use Attribution of KAKENHI

Powered by NII kakenhi