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2010 Fiscal Year Final Research Report

Analysis of the role of defense mechanisms in the legume-rhizobia symbioisis.

Research Project

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Project/Area Number 21780043
Research Category

Grant-in-Aid for Young Scientists (B)

Allocation TypeSingle-year Grants
Research Field Plant pathology
Research Institution(独)農業生物資源研究所 (2010)
National Institute of Agrobiological Sciences (2009)

Principal Investigator

NAKAGAWA Tomomi  (独)農業生物資源研究所, 植物・微生物間相互作用研究ユニット, 任期付研究員 (90396812)

Project Period (FY) 2009 – 2010
Keywords共生 / 病理学 / 植物微生物間相互作用
Research Abstract

Nitrogen-fixing symbiosis between legumes and rhizobia is initiated by the recognition of rhizobial Nod factors (NFs) by host plants. NFs are diversely modified derivatives of chitin oligosaccharide, a fungal elicitor that induces defense responses in plants. Recent evidence has shown that both NFs and chitin elicitors are recognized by structurally-related LysM-receptor kinases. Here, we demonstrated that NF receptors are evolved from the chitin receptors with limited alterations.

Research Products

(5 results)

All 2011 2010 2009

All Journal Article Presentation

  • [Journal Article] From defense to symbiosis : Limited alterations in the kinase domain of LysM receptor-like kinases are crucial for evolution of legume-Rhizobium symbiosis.2011

    • Author(s)
      Nakagawa T, Kaku H, Shimoda Y, Sugiyama A, Shimamura M, Takanashi K, Yazaki K, Aoki T, Shibuya N, Kouchi H
    • Journal Title

      Plant J. 65

      Pages: 169-180

  • [Journal Article] How many peas in a pod? Legume genes responsible for mutualistic symbioses underground.2010

    • Author(s)
      Kouchi H, Imaizumi-Anraku H, Hayashi M, Hakoyama T, Nakagawa T, Umehara Y, Suganuma N, Kawaguchi M
    • Journal Title

      Plant and Cell Physiology 51

      Pages: 1381-1397

  • [Presentation] 「宿主植物から視た生物間相互作用」"共生における植物のセキュリティシステム"2010

    • Author(s)
      中川知己
    • Organizer
      日本植物学会2010年度年会シンポジウム
    • Place of Presentation
      中部大学
    • Year and Date
      2010-09-10
  • [Presentation] 「防御と共生:植物-微生物相互作用に見る普遍性と特殊性」"抵抗性から共生へ:Nod Factor受容体の分子進化"2010

    • Author(s)
      中川知己
    • Organizer
      日本植物生理学会2009年度年会シンポジウム
    • Place of Presentation
      熊本大学
    • Year and Date
      2010-03-21
  • [Presentation] ミヤコクサにおけるNod Factorシグナリングとキチンシグナリングの比較解析2009

    • Author(s)
      中川知己
    • Organizer
      第19回植物微生物研究会
    • Place of Presentation
      松本市あがたの森文化会館
    • Year and Date
      2009-09-10

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Published: 2012-02-12   Modified: 2016-04-21  

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