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木部分化制御の厳密性を規定する細胞外シグナル統合の解析

Publicly Offered Research

Project AreaPlant cell wall as information-processing system
Project/Area Number 15H01226
Research Category

Grant-in-Aid for Scientific Research on Innovative Areas (Research in a proposed research area)

Allocation TypeSingle-year Grants
Review Section Biological Sciences
Research InstitutionThe University of Tokyo

Principal Investigator

近藤 侑貴  東京大学, 大学院理学系研究科(理学部), 助教 (70733575)

Project Period (FY) 2015-04-01 – 2017-03-31
Project Status Completed (Fiscal Year 2016)
Budget Amount *help
¥8,710,000 (Direct Cost: ¥6,700,000、Indirect Cost: ¥2,010,000)
Fiscal Year 2016: ¥4,420,000 (Direct Cost: ¥3,400,000、Indirect Cost: ¥1,020,000)
Fiscal Year 2015: ¥4,290,000 (Direct Cost: ¥3,300,000、Indirect Cost: ¥990,000)
Keywords細胞分化 / シグナル伝達 / ペプチドホルモン / 植物 / 発生・分化
Outline of Annual Research Achievements

不可逆的に進行する木部分化の制御においては、リガンドTDIFと受容体TDRを介したシグナル伝達が中心的な働きを担っている。TDIFとTDRの相互作用に関して、立体構造を決定し、CLEペプチドと受容体の結合様式を明らかにした(Morita et al., 2016, Nat Commun)。これらTDIF-TDRのシグナルはGSK3キナーゼを介してBRシグナルと統合され、最終的に転写因子BESIへと伝えられる。実際に、維管束分化誘導システムVISUALを用いた遺伝学的解析からも、BES1が木部分化を制御することが支持された。更にBES1/BZR1ファミリーの多重変異体を用いた解析をすすめ、新たにBES1と冗長的に働くホモログを2つ、そしてBES1と反対の機能をもつホモログを1つ明らかにした。これらの発見は、木部分化の制御が転写因子レベルにおいても厳密に制御されることを意味している。
また木部分化だけではなく、このVISUALにおいては篩部分化が誘導されることが明らかとなった(Kondo et al., 2016, Plant Cell)。VISUALに関して、プロトコールを分かり易くまとめ直し、日本語・英語での公開をおこなった(Kondo et al., 2016, Plant Cell; Saito et al., 2017 Methods Mol. Biol.)。実際に、VISUALを用いた多点経時トランスクリプトームデータを基に篩部分化過程の遺伝子共発現ネットワークを構築し、運命制御・分化制御に関わる遺伝子群をそれぞれ明らかにすることができた。今後はVISUALをベースに様々な技術を組み合わせることで、これまで明らかにされてこなかった篩部分化制御の理解が進むと期待される。

Research Progress Status

28年度が最終年度であるため、記入しない。

Strategy for Future Research Activity

28年度が最終年度であるため、記入しない。

Report

(2 results)
  • 2016 Annual Research Report
  • 2015 Annual Research Report
  • Research Products

    (24 results)

All 2017 2016 2015

All Journal Article (6 results) (of which Int'l Joint Research: 4 results,  Peer Reviewed: 6 results,  Open Access: 3 results,  Acknowledgement Compliant: 5 results) Presentation (16 results) (of which Int'l Joint Research: 5 results,  Invited: 3 results) Book (1 results) Funded Workshop (1 results)

  • [Journal Article] Identification of cyst nematode B-type CLE peptides and modulation of the vascular stem cell pathway for feeding cell formation.2017

    • Author(s)
      Guo, X., Wang, J., Gardner, M., Fukuda, H., Kondo, Y., Etchells, J.P., Wang, X. and *Mitchum, M.G.
    • Journal Title

      PLoS Pathog.

      Volume: 13 Issue: 2 Pages: e1006142-e1006142

    • DOI

      10.1371/journal.ppat.1006142

    • Related Report
      2016 Annual Research Report
    • Peer Reviewed / Open Access / Int'l Joint Research
  • [Journal Article] Tissue culture for xylem differentiation with Arabidopsis leaves.2017

    • Author(s)
      Saito, M., Nurani, A.M., Kondo, Y*. and Fukuda, H*.
    • Journal Title

      Methods Mol Biol.

      Volume: 1544 Pages: 59-65

    • DOI

      10.1007/978-1-4939-6722-3_5

    • ISBN
      9781493967209, 9781493967223
    • Related Report
      2016 Annual Research Report
    • Peer Reviewed / Int'l Joint Research / Acknowledgement Compliant
  • [Journal Article] Vascular cell induction culture system using Arabidopsis leaves (VISUAL) reveals the sequential differentiation of sieve element-like cells.2016

    • Author(s)
      Kondo, Y*., Nurani, A. M., Saito, C., Ichihashi, Y., Saito, M., Yamazaki, K., Mitsuda, N., Ohme-Takagi, M. and Fukuda, H*.
    • Journal Title

      Plant Cell

      Volume: 28 Issue: 6 Pages: 1250-1262

    • DOI

      10.1105/tpc.16.00027

    • Related Report
      2016 Annual Research Report
    • Peer Reviewed / Open Access / Int'l Joint Research / Acknowledgement Compliant
  • [Journal Article] Crystal structure of the plant receptor-like kinase TDR in complex with the TDIF peptide.2016

    • Author(s)
      Morita, J., Kato, K., Nakane, T., Kondo, Y., Fukuda, H., Nishimasu, H., *Ishitani, R. and *Nureki, O.
    • Journal Title

      Nat. Commun.

      Volume: 7 Issue: 1 Pages: 12383-12383

    • DOI

      10.1038/ncomms12383

    • Related Report
      2016 Annual Research Report
    • Peer Reviewed / Open Access / Int'l Joint Research / Acknowledgement Compliant
  • [Journal Article] A Novel System for Xylem Cell Differentiation in Arabidopsis thaliana2015

    • Author(s)
      Yuki Kondo, Takashi Fujita, Munetaka Sugiyama, Hiroo Fukuda
    • Journal Title

      Molecular Plant

      Volume: 8 Issue: 4 Pages: 612-621

    • DOI

      10.1016/j.molp.2014.10.008

    • Related Report
      2015 Annual Research Report
    • Peer Reviewed / Acknowledgement Compliant
  • [Journal Article] The TDIF signaling network2015

    • Author(s)
      Yuki Kondo and Hiroo Fukuda
    • Journal Title

      Current Opinion in Plant Biology

      Volume: 28 Pages: 106-110

    • DOI

      10.1016/j.pbi.2015.10.002

    • Related Report
      2015 Annual Research Report
    • Peer Reviewed / Acknowledgement Compliant
  • [Presentation] Time-lapse cell fate imaging during vascular cell differentiation2017

    • Author(s)
      Kondo, Y
    • Organizer
      日本植物生理学会第58回大会シンポジウム
    • Place of Presentation
      鹿児島大学(鹿児島県鹿児島市)
    • Year and Date
      2017-03-16
    • Related Report
      2016 Annual Research Report
    • Invited
  • [Presentation] VISUAL visualizes the sequential vascular cell differentiation2016

    • Author(s)
      Kondo, Y and Fukuda, H
    • Organizer
      Cold Spring Habor Conferences Asia
    • Place of Presentation
      淡路夢舞台国際会議場(兵庫県淡路市)
    • Year and Date
      2016-11-29
    • Related Report
      2016 Annual Research Report
    • Int'l Joint Research
  • [Presentation] Analysis on regulatory mechanisms of vascular cell differentiation by GSK3s2016

    • Author(s)
      Saito, M., Kondo, Y. and Fukuda, H
    • Organizer
      Cold Spring Habor Conferences Asia
    • Place of Presentation
      淡路夢舞台国際会議場(兵庫県淡路市)
    • Year and Date
      2016-11-29
    • Related Report
      2016 Annual Research Report
    • Int'l Joint Research
  • [Presentation] VISUAL visualizes the sequential vascular cell differentiation2016

    • Author(s)
      Kondo, Y
    • Organizer
      日本植物学会第80回大会JPR国際シンポジウム
    • Place of Presentation
      沖縄コンベンションセンター(沖縄県宜野湾市)
    • Year and Date
      2016-09-16
    • Related Report
      2016 Annual Research Report
    • Invited
  • [Presentation] ゲノム編集によるbes1 bzr1二重変異体の作出とその表現型解析2016

    • Author(s)
      齊藤真人、近藤侑貴、福田裕穂
    • Organizer
      日本植物学会第80回大会
    • Place of Presentation
      沖縄コンベンションセンター(沖縄県宜野湾市)
    • Year and Date
      2016-09-16
    • Related Report
      2016 Annual Research Report
  • [Presentation] A novel factor regulating phloem differentiation identified in Arabidopsis2016

    • Author(s)
      Nurani, A. M., Kondo, Y. and Fukuda, H
    • Organizer
      The International Conference on Arabidopsis Research (ICAR)
    • Place of Presentation
      GyeongJu(Korea)
    • Year and Date
      2016-06-29
    • Related Report
      2016 Annual Research Report
    • Int'l Joint Research
  • [Presentation] Functions of BES1 transcription factor in vascular cell differentiation2016

    • Author(s)
      Masato Saito, Yuki Kondo, Hiroo Fukuda
    • Organizer
      日本植物生理学会第57回大会
    • Place of Presentation
      岩手大学 (岩手県)
    • Year and Date
      2016-03-18
    • Related Report
      2015 Annual Research Report
  • [Presentation] A novel factor regulating phloem differentiation identified in Arabidopsis2016

    • Author(s)
      Alif Meem Nurani, Yuki Kondo, Hiroo Fukuda
    • Organizer
      日本植物生理学会第57回大会
    • Place of Presentation
      岩手大学 (岩手県)
    • Year and Date
      2016-03-18
    • Related Report
      2015 Annual Research Report
  • [Presentation] Environmental signals regulate in vitro vascular development2016

    • Author(s)
      Kyoko Yamazaki, Yuki Kondo, Hiroo Fukuda
    • Organizer
      日本植物生理学会第57回大会
    • Place of Presentation
      岩手大学 (岩手県)
    • Year and Date
      2016-03-18
    • Related Report
      2015 Annual Research Report
  • [Presentation] Chemically induced multi-directional differentiation via vascular stem cells2016

    • Author(s)
      Yuki Kondo, Alif Meem Nurani, Masato Saito, Hiroo Fukuda
    • Organizer
      日本植物生理学会第57回大会
    • Place of Presentation
      岩手大学 (岩手県)
    • Year and Date
      2016-03-18
    • Related Report
      2015 Annual Research Report
    • Invited
  • [Presentation] 木部分化誘導系における前形成層細胞確立を制御する環境シグナルの解析2015

    • Author(s)
      山﨑杏子、近藤侑貴、福田裕穂
    • Organizer
      日本植物学会第79回大会
    • Place of Presentation
      朱鷺メッセ (新潟県)
    • Year and Date
      2015-09-06
    • Related Report
      2015 Annual Research Report
  • [Presentation] 維管束幹細胞における細胞運命制御の分子的機構2015

    • Author(s)
      齊藤真人、近藤侑貴、福田裕穂
    • Organizer
      日本植物学会第79回大会
    • Place of Presentation
      朱鷺メッセ (新潟県)
    • Year and Date
      2015-09-06
    • Related Report
      2015 Annual Research Report
  • [Presentation] Analysis of the regulation of phloem cell fate in Arabidopsis thaliana2015

    • Author(s)
      Alif Meem Nurani、近藤侑貴、福田裕穂
    • Organizer
      日本植物学会第79回大会
    • Place of Presentation
      朱鷺メッセ (新潟県)
    • Year and Date
      2015-09-06
    • Related Report
      2015 Annual Research Report
  • [Presentation] 分化誘導系とセルソーティングを組み合わせた篩部分化過程のトランスクリプトーム解析2015

    • Author(s)
      近藤侑貴、福田裕穂
    • Organizer
      日本植物学会第79回大会
    • Place of Presentation
      朱鷺メッセ (新潟県)
    • Year and Date
      2015-09-06
    • Related Report
      2015 Annual Research Report
  • [Presentation] Analysis on a mechanism underlying vascular cell fate determination by BES1 transcription factor2015

    • Author(s)
      Masato Saito, Yuki Kondo, Hiroo Fukuda
    • Organizer
      The 2nd International Brassinosteroid Conference
    • Place of Presentation
      Wuhan (China)
    • Year and Date
      2015-05-19
    • Related Report
      2015 Annual Research Report
    • Int'l Joint Research
  • [Presentation] Plant GSK3s integrate TDIF and BR signaling in regulating xylem cell differentiation2015

    • Author(s)
      Yuki Kondo and Hiroo Fukuda
    • Organizer
      The 2nd International Brassinosteroid Conference
    • Place of Presentation
      Wuhan (China)
    • Year and Date
      2015-05-19
    • Related Report
      2015 Annual Research Report
    • Int'l Joint Research
  • [Book] 植物細胞壁実験法(5.1:木部細胞分化誘導)2016

    • Author(s)
      福田裕穂、近藤侑貴、小澤靖子、岩本訓知、小田祥久
    • Total Pages
      9
    • Publisher
      弘前大学出版会
    • Related Report
      2015 Annual Research Report
  • [Funded Workshop] 1st Vascular-JPD Joint Symposium2016

    • Place of Presentation
      宜野湾ベイサイド情報センター(沖縄県宜野湾市)
    • Related Report
      2016 Annual Research Report

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Published: 2015-04-16   Modified: 2018-03-28  

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