Bulletin of the American Physical Society
APS March Meeting 2019
Volume 64, Number 2
Monday–Friday, March 4–8, 2019; Boston, Massachusetts
Session P64: Systems Biology and Stochasticity in Biological Networks
2:30 PM–5:30 PM,
Wednesday, March 6, 2019
BCEC
Room: 259B
Sponsoring
Unit:
DBIO
Chair: Po-Yi Ho, Harvard University
Abstract: P64.00015 : Dynamical network formation of C. elegans*
5:18 PM–5:30 PM
Presenter:
Ken Nagai
(School of Materials Scienc, Japan Advanced Institute of Science and Technology)
Authors:
Ken Nagai
(School of Materials Scienc, Japan Advanced Institute of Science and Technology)
Hiroshi Ito
(Faculty of Design, Kyushu University)
Takuma Sugi
(Molecular Neuroscience Research Center, Shiga University of Medical Science)
Here, we have constructed an experimental system in which C. elegans collectively forms dynamical networks. We investigated the dependence of our designed experimental system on the substrate, ambient humidity and density of worms. Taking advantage of C. elegans genetics, we also controlled genetically determined motility by mutations. Furthermore, we developed an agent-based model with simple rules that reproduced the dynamical network formation and its dependences on the parameters, suggesting that the key behaviours for the network formation were alignment of worms after collision and smooth turning. This result revealed that the collective motion of the living things with advanced information processing systems can be described by a simple minimal model in a broad area of parameter space.
*This work was supported by JSPS KAKENHI Grant Numbers JP17KT0016 and JP18H05474.
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