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Isolation and functional analysis of CRL genes involved in crown root formation in rice

Research Project

Project/Area Number 18780002
Research Category

Grant-in-Aid for Young Scientists (B)

Allocation TypeSingle-year Grants
Research Field Breeding science
Research InstitutionNagoya University

Principal Investigator

INUKAI Yoshiaki  Nagoya University, 生命農学研究科, 助教 (20377790)

Project Period (FY) 2006 – 2008
Project Status Completed (Fiscal Year 2008)
Budget Amount *help
¥3,970,000 (Direct Cost: ¥3,700,000、Indirect Cost: ¥270,000)
Fiscal Year 2008: ¥1,170,000 (Direct Cost: ¥900,000、Indirect Cost: ¥270,000)
Fiscal Year 2007: ¥900,000 (Direct Cost: ¥900,000)
Fiscal Year 2006: ¥1,900,000 (Direct Cost: ¥1,900,000)
Keywordsイネ / 突然変異 / 根 / 発生・分化 / 遺伝子 / オーキシン / 分子機構 / ゲノム
Research Abstract

冠根の発生に関わる遺伝的・生理的メカニズムを解析するために、冠根数が著しく減少するイネcrown rootless(crl)突然変異体を用い、その特徴解析および原因遺伝子の単離と機能解析を試みた。その結果、イネの冠根形成は植物ホルモンの1つであるオーキシンの輸送、およびシグナル伝達系で機能する遺伝子によって誘導されることが明らかとなった。

Report

(4 results)
  • 2008 Annual Research Report   Final Research Report ( PDF )
  • 2007 Annual Research Report
  • 2006 Annual Research Report
  • Research Products

    (18 results)

All 2009 2008 2007 2006

All Journal Article (8 results) (of which Peer Reviewed: 5 results) Presentation (10 results)

  • [Journal Article] Mapping of the CROWN ROOTLESS3 gene, CRL3, in rice. Rice Genet2008

    • Author(s)
      Y. Kitomi, H. Kitano and Y. Inukai
    • Journal Title

      Newslett. 24

      Pages: 31-33

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] CRL4 regulates crown root formation through auxin transport in rice2008

    • Author(s)
      Y. Kitomi, A. Ogawa, H. Kitano and Y. Inukai
    • Journal Title

      Plant Root 2

      Pages: 19-28

    • NAID

      130000050804

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] Mapping of the CROWN ROOTLESS 3, CRL3, in rice2008

    • Author(s)
      Yuka Kitomi, et.al.
    • Journal Title

      Rice Genet. Newslett. 24

      Pages: 31-33

    • Related Report
      2008 Annual Research Report
    • Peer Reviewed
  • [Journal Article] CRL4 regulates crown root formation through auxin transport in rice2008

    • Author(s)
      Yuka Kitomi, et.al.
    • Journal Title

      Plant Root 2

      Pages: 19-28

    • Related Report
      2008 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Genotypic variations in responses of lateral root development to transient moisture stresses in rice2008

    • Author(s)
      Suralta, R. Roel
    • Journal Title

      Plant Production Science 11(In press)

    • Related Report
      2007 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Identification, of key root traits for adaptation of rice genotypes to various intensities of water stress2007

    • Author(s)
      Mana Kanou
    • Journal Title

      Proceedings of The 2nd International Conference on Rice for the Future

      Pages: 216-220

    • Related Report
      2007 Annual Research Report
  • [Journal Article] イネの根の発生・分化に関するCRL4遺伝子の機能解析2007

    • Author(s)
      木富悠花, 北野英己, 犬飼義明
    • Journal Title

      育種学研究 9・別1

      Pages: 143-143

    • Related Report
      2006 Annual Research Report
  • [Journal Article] Root development and nutrient uptake2006

    • Author(s)
      H.Wang, Y.Inukai, A.Yamauchi
    • Journal Title

      Critical Reviews in Plant Sciences 25・3

      Pages: 279-301

    • Related Report
      2006 Annual Research Report
  • [Presentation] イネ冠根形成を制御するCROWN ROOTLESS5(CRL5)遺伝子の解析とその下流因子の探索2009

    • Author(s)
      木富悠花, ら
    • Organizer
      第50回日本植物生理学会年会
    • Place of Presentation
      名古屋大学
    • Year and Date
      2009-03-22
    • Related Report
      2008 Final Research Report
  • [Presentation] イネ冠根形成を制御するCROWN ROOTLESS 5 (CRL5)遺伝子の解析とその下流因子の探索2009

    • Author(s)
      木富悠花ら
    • Organizer
      第50回日本植物生理学会年会
    • Place of Presentation
      名古屋大学
    • Year and Date
      2009-03-22
    • Related Report
      2008 Annual Research Report
  • [Presentation] イネ冠根形成を制御する遺伝子とその分子機構の解析2008

    • Author(s)
      木富悠花, ら
    • Organizer
      第29回根研究集会
    • Place of Presentation
      千葉科学大学
    • Year and Date
      2008-11-07
    • Related Report
      2008 Final Research Report
  • [Presentation] イネcrown rootless変異体を用いた冠根形成機構の解析2008

    • Author(s)
      木富悠花, ら
    • Organizer
      第49回日本植物生理学会年会
    • Place of Presentation
      札幌コンベンションセンター
    • Year and Date
      2008-03-22
    • Related Report
      2008 Final Research Report
  • [Presentation] イネcrown rootless変異体を用いた冠根形成機構の解析2008

    • Author(s)
      木富悠花
    • Organizer
      日本植物生理学会第49回年会
    • Place of Presentation
      札幌コンベンションセンター
    • Year and Date
      2008-03-22
    • Related Report
      2007 Annual Research Report
  • [Presentation] Molecular Mechanism of Crown Root Formation in Rice2008

    • Author(s)
      Kitomi Y., et al
    • Organizer
      5th International Symposium on Adventitious Root Formation
    • Place of Presentation
      Alcala de Henares, Madrid, Spain
    • Related Report
      2008 Final Research Report
  • [Presentation] Molecular Mechanism of Crown Root Formation in Rice2008

    • Author(s)
      Yuka Kitomi, et.al.
    • Organizer
      5 th International Symposium on Adventitious Root Formation
    • Place of Presentation
      Alcala de Henares, Madrid, Spain
    • Related Report
      2008 Annual Research Report
  • [Presentation] イネの根の発生・分化を支配するCRL5遺伝子の単離2007

    • Author(s)
      伊藤寛子, ら
    • Organizer
      日本育種学会中部地区談話会第14回講演会
    • Place of Presentation
      信州大学
    • Year and Date
      2007-12-01
    • Related Report
      2008 Final Research Report
  • [Presentation] イネの根の発生・分化を支配するCRL5遺伝子の単離2007

    • Author(s)
      伊藤寛子
    • Organizer
      日本育種学会中部地区談話会 第14回講演会
    • Place of Presentation
      信州大学農学部
    • Year and Date
      2007-12-01
    • Related Report
      2007 Annual Research Report
  • [Presentation] イネの根の発生・分化に関するCRL4遺伝子の機能解析2007

    • Author(s)
      木富悠花, ら
    • Organizer
      第111回日本育種学会講演会
    • Place of Presentation
      茨城大学
    • Year and Date
      2007-03-31
    • Related Report
      2008 Final Research Report

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Published: 2006-04-01   Modified: 2016-04-21  

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