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X-WR-CALDESC:Events for Department of Theoretical Physics
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DTSTART:20250330T010000
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DTSTART;TZID=Europe/Ljubljana:20250306T141500
DTEND;TZID=Europe/Ljubljana:20250306T151500
DTSTAMP:20260423T091438
CREATED:20250131T080832Z
LAST-MODIFIED:20250306T135036Z
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SUMMARY:Jonathan Ron\, "Deterministic cell motility patterns across scales and sizes"
DESCRIPTION:Cell motility plays a crucial role in various biological processes\, such as embryogenesis\, wound healing\, and immune response. Although the complex molecular machinery driving cell motility is relatively well understood\, it remains unclear how cells exhibit such diverse migration patterns\, both individually and collectively. This seminar will focus on a recently developed theoretical framework for cellular migration\, which couples migration features such as polarization\, speed\, and size to traction forces and adhesion dynamics. The discussion will begin with the model’s predictions for one-dimensional migration of single cells\, emphasizing how symmetry is broken during directional decision-making. The model will then be extended to describe cell-cell interactions and the collective behavior of one-dimensional multicellular trains. A two-dimensional stochastic version of the model will also be introduced\, explaining the run-and-tumble behavior commonly exhibited by cells. Finally\, a new theory will be introduced\, linking cell migration to volume regulation via active ion transport. The results presented in the seminar will be supported by extensive experimental validation conducted on various cell types.\n Ron\, J.E.\, Monzo\, P.\, Gauthier\, N.C.\, Voituriez\, R. and Gov\, N.S.\, 2020. One-dimensional cell motility patterns. Physical review research\, 2(3)\, p.033237.\n Mukherjee\, A.\, Ron\, J.E.\, Hu\, H.T.\, Nishimura\, T.\, Hanawa‐Suetsugu\, K.\, Behkam\, B.\, Mimori‐Kiyosue\, Y.\, Gov\, N.S.\, Suetsugu\, S. and Nain\, A.S.\, 2023. Actin Filaments Couple the Protrusive Tips to the Nucleus through the I‐BAR Domain Protein IRSp53 during the Migration of Cells on 1D Fibers. Advanced science\, 10(7)\, p.2207368.\n Ron\, J. E.\, d’Alessandro\, J.\, Cellerin\, V.\, Voituriez\, R.\, Ladoux\, B.\, & Gov\, N. S. (2023). Polarization and motility of one-dimensional multi-cellular trains. Biophysical Journal\, 122(23)\, 4598-4613.\n Ron\, J. E.\, Crestani\, M.\, Kux\, J. M.\, Liu\, J.\, Al-Dam\, N.\, Monzo\, P.\, … & Gov\, N. S. (2024). Emergent seesaw oscillations during cellular directional decision-making. Nature Physics\, 20(3)\, 501-511.\nhttps://indico.ijs.si/event/2691/
URL:https://web-f1.ijs.si/event/jonathan-ron-tba/
LOCATION:Seminar room of physics (106) (IJS)
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DTSTART;TZID=Europe/Ljubljana:20250306T153000
DTEND;TZID=Europe/Ljubljana:20250306T163000
DTSTAMP:20260423T091438
CREATED:20250114T150112Z
LAST-MODIFIED:20250306T150707Z
UID:49569-1741275000-1741278600@web-f1.ijs.si
SUMMARY:Enrico Morgante: Gravitational waves from confinement in improved holographic QCD
DESCRIPTION:I will discuss gravitational waves produced during the confinement phase transition in SU(N) Yang-Mills\, using a holographic description. The key ingredient will be the construction of the effective action\, with the kinetic term playing an important role.\nhttps://indico.ijs.si/event/2680/
URL:https://web-f1.ijs.si/event/enrico-morgante/
LOCATION:https://zoom.us/j/3601731049?pwd=bVNQRjUxU2ExZ0cveWcxYXNUUGdjZz09 (A/1-106 – Seminarska soba fizike (F5))
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