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SKM 2023 – scientific programme

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DY: Fachverband Dynamik und Statistische Physik

DY 33: Biologically Inspired Statistical Physics (joint session DY/BP)

DY 33.6: Talk

Wednesday, March 29, 2023, 16:15–16:30, ZEU 250

Gift of gab: Probing the limits of dynamic concentration-sensing across a network of communicating cells — •Mohammadreza Bahadorian1,2, Christoph Zechner1,2,3, and Carl D. Modes1,2,31Max Planck Institut for Molecular Cell Biology and Genetics (MPI-CBG), 01307 Dresden, Germany — 2Center for Systems Biology Dresden (CSBD), 01307 Dresden, Germany — 3Cluster of Excellence Physics of Life, TU Dresden, 01069 Dresden, Germany

Many systems in biology and other sciences employ collaborative, collective communication strategies for improved efficiency and adaptive benefit. One such paradigm of particular interest is the community estimation of a dynamic signal, when, for example, an epithelial tissue of cells must decide whether to react to a given dynamic external concentration of stress-signaling molecules. At the level of dynamic cellular communication, however, it remains unknown what effect, if any, arises from communication beyond the mean field level. What are the limits and benefits to communication across a network of neighbor interactions? What is the role of Poissonian versus super-Poissonian dynamics in such a setting? How does the particular topology of connections impact the collective estimation and that of the individual participating cells? In this article we construct a robust and general framework of signal estimation over continuous-time Markov chains in order to address and answer these questions.

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