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Chief Scientist Laboratories Nonequilibrium Physics of Living Matter Laboratory

Chief Scientist: Kyogo Kawaguchi (Ph.D.)

Research Summary

Kyogo Kawaguchi

We are a biophysics research group exploring phase transitions, morphogenesis, evolution, and chromatin physics through both experimental and theoretical approaches. We integrate physics, machine learning, and a range of experimental techniques, from cell-based assays to single-molecule observation, to address diverse biological questions from an original viewpoint.

Main Research Fields

  • Mathematical & Physical Sciences

Related Research Fields

  • Complex Systems
  • Biological Sciences
  • Biology
  • Biophysics, chemical physics and soft matter physics-related
  • Mathematical physics and fundamental theory of condensed matter physics-related

Keywords

  • Nonequilibrium
  • Collective cell dynamics
  • Morphological evolution
  • Chromatin

Selected Publications

Papers with an asterisk(*) are based on research conducted outside of RIKEN.

  • 1. Cerbus, R.T., Hiratani, I., and Kawaguchi, K.:
    "Homeotic and non-homeotic patterns in the tetrapod vertebral formula"
    PNAS 121, 2411421121 (2024).
  • 2. Adachi, K., and Kawaguchi, K.:
    "Predicting heteropolymer interactions: Demixing and hypermixing of disordered protein sequences"
    Phys Rev X 14, 031011 (2024).
  • 3. Lubana, E.S., Kawaguchi, K., Dick, R.P., and Tanaka, H.:
    "A percolation model of emergence: Analyzing transformers trained on a formal language"
    Conference paper at ICLR (2025).
  • 4. Fukai, Y., and Kawaguchi, K.:
    "LapTrack: Linear assignment particle tracking with tunable metrics"
    Bioinformatics, 39, btac799 (2022).
  • 5. Yamamoto, T., Cockburn, K., Greco, V., and Kawaguchi, K.:
    "Probing the rules of cell coordination in live tissues by interpretable machine learning based on graph neural networks"
    PLOS Comp Biol 18, e1010477 (2022).
  • 6. Adachi, K., Takasan, K., and Kawaguchi, K.:
    "Activity-induced phase transition in a quantum many-body system"
    Phys Rev Research 4, 013194 (2022).
  • 7. Mesa, K.R., Kawaguchi, K., Cockburn, K., Gonzalez, D., Boucher, J., Xin, T., Klein, A.M., and Greco, V.:
    "Homeostatic Epidermal Stem Cell Self-Renewal Is Driven by Local Differentiation"
    Cell Stem Cell 23, 677 (2018).
  • 8. *Kawaguchi, K., Kageyama, R., and Sano, M.:
    "Topological defects control collective dynamics in neural progenitor cell cultures"
    Nature 545, 327–331 (2017).

Recent Research Results

Related Links

Lab Members

Principal investigator

Kyogo Kawaguchi
Chief Scientist

Careers

Position Deadline
Seeking a Research Scientist (Indefinite-term) (25-1294) Oct, 15, 2025

Contact Information

2-2-3, Minatojima-minamimachi,
Chuo-ku, Hyogo
650-0047, Japan
Email: kyogo.kawaguchi@riken.jp

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