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Active matter physics on pattern formation and its function of cytoskeleton and cells

Research Project

Project/Area Number 22K14017
Research Category

Grant-in-Aid for Early-Career Scientists

Allocation TypeMulti-year Fund
Review Section Basic Section 13040:Biophysics, chemical physics and soft matter physics-related
Research InstitutionKyushu University

Principal Investigator

Tarama Mitsusuke  九州大学, 理学研究院, 助教 (90756834)

Project Period (FY) 2022-04-01 – 2024-03-31
Project Status Completed (Fiscal Year 2023)
Budget Amount *help
¥4,680,000 (Direct Cost: ¥3,600,000、Indirect Cost: ¥1,080,000)
Fiscal Year 2023: ¥650,000 (Direct Cost: ¥500,000、Indirect Cost: ¥150,000)
Fiscal Year 2022: ¥4,030,000 (Direct Cost: ¥3,100,000、Indirect Cost: ¥930,000)
Keywordsアクティブマター / 細胞骨格 / 細胞運動 / 自己組織化 / 協同現象 / フォースフリー
Outline of Research at the Start

アクチン繊維はミオシン分子モーターなどとともに細胞内において様々な高次構造を形成し、細胞の力学機能を実現する。このような複合系アクティブソフトマターである細胞骨格系の構造の自己組織化とその力学機能の原理を粗視化分子動力学モデルを用いて探求する。一方、細胞骨格に駆動される細胞も互いに協調して集団で様々なパターンを形成し、器官形成などを実現する。細胞集団のダイナミクスと同時に実現される構造の自己組織化メカニズムをアクティブマター物理学の視点から理論的に解明する。

Outline of Final Research Achievements

Active matter organizes into various structures due to its motility. In particular, self-organized structures of active matter and their functions are of great importance for biological phenomena. Microscopic molecules such as actin cytoskeleton self-organize higher-order structures and produce mechanical force inside a cell; a cell migrates by controlling the mechanical function of cytoskeleton; and cells migrate collectively and cytoskeleton structure function in a corporative manner, resulting in the emergence of complex biological functions. In this project, we investigated theoretically the mechanism underlying behind the structure formation in biological phenomena from the viewpoint of active matter physics.

Academic Significance and Societal Importance of the Research Achievements

本研究では主に、細胞内における化学反応と力学とがどのように相互作用することで複雑な細胞運動が実現するのかを理論的に研究した。生化学反応と力学の結合は細胞運動において重要であるにも関わらずそれぞれがすでに十分複雑ゆえに未解明な点の多い領域であり、理論研究が進むことで実験研究が進むきっかけになるだろう。また、細胞骨格分子が他の分子と相互作用することで高次構造が自己組織化されるメカニズムを明らかにした。実験では分子的な操作によるミクロな制御とその結果実現するマクロな動態を観測することは可能であるが、その間の繋がりを突き詰めることは未だ困難であり、理論研究がその強力な助けになることを示すことができた。

Report

(3 results)
  • 2023 Annual Research Report   Final Research Report ( PDF )
  • 2022 Research-status Report
  • Research Products

    (18 results)

All 2024 2023 2022 Other

All Int'l Joint Research (2 results) Journal Article (4 results) (of which Peer Reviewed: 4 results,  Open Access: 4 results) Presentation (12 results) (of which Int'l Joint Research: 5 results,  Invited: 2 results)

  • [Int'l Joint Research] Heinrich Heine University Duesseldorf/University of Potsdam(ドイツ)

    • Related Report
      2023 Annual Research Report
  • [Int'l Joint Research] University of Warwick(英国)

    • Related Report
      2023 Annual Research Report
  • [Journal Article] Emergence of periodic circumferential actin cables from the anisotropic fusion of actin nanoclusters during tubulogenesis2024

    • Author(s)
      Sekine Sayaka、Tarama Mitsusuke、Wada Housei、Sami Mustafa M.、Shibata Tatsuo、Hayashi Shigeo
    • Journal Title

      Nature Communications

      Volume: 15 Issue: 1 Pages: 1-13

    • DOI

      10.1038/s41467-023-44684-z

    • Related Report
      2023 Annual Research Report
    • Peer Reviewed / Open Access
  • [Journal Article] Mechanochemical Subcellular-Element Model for Force- and Torque-Free Cell Crawling2023

    • Author(s)
      TARAMA Mitsusuke、YAMAMOTO Ryoichi
    • Journal Title

      Seibutsu Butsuri

      Volume: 63 Issue: 6 Pages: 306-309

    • DOI

      10.2142/biophys.63.306

    • ISSN
      0582-4052, 1347-4219
    • Related Report
      2023 Annual Research Report
    • Peer Reviewed / Open Access
  • [Journal Article] Pattern formation and the mechanics of a motor-driven filamentous system confined by rigid membranes2022

    • Author(s)
      Mitsusuke Tarama、Shibata Tatsuo
    • Journal Title

      Physical Review Research

      Volume: 4 Issue: 4 Pages: 043071-043071

    • DOI

      10.1103/physrevresearch.4.043071

    • Related Report
      2022 Research-status Report
    • Peer Reviewed / Open Access
  • [Journal Article] Mechanochemical subcellular-element model of crawling cells2022

    • Author(s)
      Mitsusuke Tarama, Kenji Mori, Ryoishi Yamamoto
    • Journal Title

      Frontiers in Cell and Developmental Biology

      Volume: 10 Pages: 1046053-1046053

    • DOI

      10.3389/fcell.2022.1046053

    • Related Report
      2022 Research-status Report
    • Peer Reviewed / Open Access
  • [Presentation] 基盤上の細胞運動のメカノケミカルモデル2024

    • Author(s)
      多羅間充輔
    • Organizer
      生体運動研究合同班会議 2024
    • Related Report
      2023 Annual Research Report
  • [Presentation] Microphase separation of actin cytoskeleton during tubulogenesis2024

    • Author(s)
      Mitsusuke Tarama
    • Organizer
      Active Matter Workshop 2024
    • Related Report
      2023 Annual Research Report
    • Int'l Joint Research
  • [Presentation] Dynamics and the mechanics of a motor-driven filamentous system confined by membranes2023

    • Author(s)
      Mitsusuke Tarama
    • Organizer
      STATPHYS28
    • Related Report
      2023 Annual Research Report
    • Int'l Joint Research
  • [Presentation] Microphase separation of actin cytoskeleton during tubulogenesis2023

    • Author(s)
      Mitsusuke Tarama, Sayaka Sekine, Tatsuo Shibata, and Shigeo Hayashi
    • Organizer
      The 7th International Soft Matter Conference, ISMC2023
    • Related Report
      2023 Annual Research Report
    • Int'l Joint Research
  • [Presentation] Dynamic meshwork structure formation of adhesive active cells2023

    • Author(s)
      Mitsusuke Tarama
    • Organizer
      Advanced core-to-core network for the physics of self-organizing active matter kickoff meeting
    • Related Report
      2023 Annual Research Report
    • Int'l Joint Research
  • [Presentation] Dynamic network structure formation of mesoderm cells in early chick embryo2023

    • Author(s)
      Mitsusuke Tarama
    • Organizer
      アクティブマター研究会2023
    • Related Report
      2022 Research-status Report
  • [Presentation] Phase separation and self-organized structures of actin cytoskeleton2022

    • Author(s)
      Mitsusuke Tarama
    • Organizer
      25th Anniversary Symposium of German-Japanese Joint Research Project on Nonequilibrium Statistical Physics Perspectives for Future Collaboration
    • Related Report
      2022 Research-status Report
    • Int'l Joint Research / Invited
  • [Presentation] 並行平板間の自己推進変形粒子の集団運動2022

    • Author(s)
      多羅間充輔
    • Organizer
      日本物理学会2022年秋季大会
    • Related Report
      2022 Research-status Report
  • [Presentation] Microphase separation and transition dynamics of self-organized structures of actin cytoskeleton during tubulogenesis2022

    • Author(s)
      Mitsusuke Tarama
    • Organizer
      第60回 日本生物物理学会年会
    • Related Report
      2022 Research-status Report
  • [Presentation] Coarse-grained molecular dynamics approach to phase separation of actin cytoskeleton2022

    • Author(s)
      多羅間充輔
    • Organizer
      第3回生体分子シミュレーション・モデリング研究会
    • Related Report
      2022 Research-status Report
  • [Presentation] 細胞膜と相互作用するアクチン骨格の枯渇相と集積相2022

    • Author(s)
      多羅間充輔
    • Organizer
      第11回分子モーター討論会
    • Related Report
      2022 Research-status Report
    • Invited
  • [Presentation] アクチン細胞骨格のミクロ相分離と構造転移2022

    • Author(s)
      多羅間充輔
    • Organizer
      第10回ソフトマター研究会
    • Related Report
      2022 Research-status Report

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Published: 2022-04-19   Modified: 2025-01-30  

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