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SUMMARY:Dynamic gradient scaling as a critical point of growth control
DTSTART:20171115T110000
DTEND:20171115T120000
DTSTAMP:20260921T165154Z
UID:c0f8c01212dcf5ca39dfad52cd40fdffe0d7dd6f66de8ef8a2039ceb
CATEGORIES:Conferences - Seminars
DESCRIPTION:Daniel Aguilar-Hidalgo - Max Planck Institute for the Physics 
 of Complex Systems (MPIPKS)- Dresden\, Germany\nA fundamental question in 
 Biology is to understand how large numbers of cells collectively coordinat
 e their behavior by chemical signals when tissues form and how tissues gro
 w to a finite size. In several organisms\, chemical patterns scale with ti
 ssue size. We demonstrate how such scaling can arise as a feature of a cri
 tical point in growth control\, which demarcates regimes of infinite growt
 h and growth arrest. As an application to this theory\, we find that homog
 enous growth and scaling behaviors\, as quantified in the wing disc of the
  fruit fly\, reflects signatures of criticality. Our work provides a gener
 ic mechanism by which homogeneous self-organized growth and pattern scalin
 g can be robustly achieved in biochemical feedback systems. 
LOCATION:SV 1717 https://plan.epfl.ch/?room==SV%201717
STATUS:CONFIRMED
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