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UID:0d0f64246ad48dfddc1f78266c0cee8f
CATEGORIES:Mathematical Physics Seminar
CREATED:20240421T235901
SUMMARY:Webinar: Edo Kussell: Evolutionary advantage of cell size control
LOCATION:Zoom
DESCRIPTION:<p style="text-align: center;">MATHEMATICAL PHYSICS WEBINAR</p><p style="te
 xt-align: center;">-------------------------------------------------------<
 /p><p style="text-align: center; background: white;"><strong>Edo Kussell – 
 New York University</strong></p><p style="text-align: center;">Wednesday,&n
 bsp;May 15th,&nbsp;<strong>10:45AM EDT&nbsp;</strong></p><p style="text-ali
 gn: center;"><strong>&nbsp;</strong></p><p style="text-align: center; backg
 round: white;"><strong>Evolutionary advantage of cell size control</strong>
 </p><p>Molecular mechanisms that control cell growth and division enable ba
 cteria and other microorganisms to maintain a narrow range of cell sizes wi
 thin a population. While the control of cell size is ubiquitous in biology,
  the evolutionary benefit of maintaining a characteristic cell size is not 
 understood in detail. In this talk, I will analyze the advantage of cell si
 ze control strategies in growing populations of bacteria using a transfer o
 perator formulation. I will discuss how mortality can select for accurate c
 ell size control, and derive an analytical expression for the optimal cell 
 size. I will show that epigenetic heritability of cell size gives bacteria 
 an evolutionary advantage by enabling selection to act on the distribution 
 of cell sizes in a population to reduce mortality rates. I will discuss the
 se results in the context of experimental measurements in bacteria, and the
 ir implications for the&nbsp;evolution of size control mechanisms.</p>
DTSTAMP:20260828T150903
DTSTART;TZID=America/New_York:20240515T104500
DTEND;TZID=America/New_York:20240515T114500
SEQUENCE:0
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