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DTSTART:20181028T020000
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DTSTAMP:20260405T192622Z
UID:1545058800@ist.ac.at
DTSTART:20181217T160000
DTEND:20181217T170000
DESCRIPTION:Speaker: Arthur D. Lander\nhosted by Anna Kicheva\nAbstract: Un
 like other natural scientists\, biologists must explain not just how pheno
 mena arise (“what is the mechanism?”)\, but why systems are the way th
 ey are (“what useful function is being carried out?”).  Function incl
 udes not only what biological systems do\, but also how reliably they do i
 t\, i.e. how well they perform in the face of randomness\, imprecision and
  perturbation.  Processes that exist to ensure reliability are termed con
 trol mechanisms\, and the search for common principles underlying biologic
 al control has captivated the interest of both biologists and engineers. 
  A particularly fruitful area for studying biological control is animal de
 velopment\, because it is a complex process that reliable reaches extremel
 y precise endpoints in the face of massive internal and external unreliabi
 lity.  That precision is reflected in the sizes of macroscopic structures
  (tissues and organs)\, spatial patterns of cell behavior within those str
 uctures\, and scaling relationships that couple pattern and size.  I will
  discuss recent data and explicit models of specific feats of invertebrate
  and vertebrate development to highlight the steep challenges that organis
 ms face in achieving such tight control\, emphasizing the view that select
 ion for control—and not just performance per se—is likely to have been
  a major driving force in the evolution of biological complexity.
LOCATION:Raiffeisen Lecture Hall\, Central Building\, ISTA
ORGANIZER:arinya.eller@ist.ac.at
SUMMARY:Arthur D. Lander: Control of growth\, form and scale in biology
URL:https://talks-calendar.ista.ac.at/events/718
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