Bulletin of the American Physical Society
APS March Meeting 2023
Volume 68, Number 3
Las Vegas, Nevada (March 5-10)
Virtual (March 20-22); Time Zone: Pacific Time
Session G07: Enzyme Driven Active Matter from Nano to Microscale
11:30 AM–1:54 PM,
Tuesday, March 7, 2023
Room: Room 130
Sponsoring
Units:
DSOFT DBIO
Chair: Wylie Ahmed, California State University, Fullerton; Benjamin Rogers
Abstract: G07.00007 : Onset of Homochirality in Cell Monolayers
1:06 PM–1:18 PM
Presenter:
Ludwig A Hoffmann
(Leiden University)
Authors:
Ludwig A Hoffmann
(Leiden University)
Luca Giomi
(Leiden University)
Here, we develop a simple model to describe the possible origin of homochirality in cells.
Building on previous works by Jafarpour et al. [1] and Vicsek et. al. [2], we investigate how a homochiral state might have evolved in cells from an initially symmetric state without any mechanisms that explicitly break chiral symmetry. We find that noise, both on the level of flocking and on the level of cell division, is an important factor determining if and when a homochiral state is reached. We study how the competition between cooperative behavior and noise affects the transition to homochirality as well as the influence of cell death and cell division rates.
[1] Jafapour et al., PRL 115 (15), 2015
[2] Vicsek et al., PRL 75 (6), 1995
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