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SUMMARY:Capillary interactions organize bacterial colonies - Ricard Alert 
 (Max-Planck-Institut für Physik komplexer Systeme\, Dresden)
DTSTART:20240614T092000Z
DTEND:20240614T101000Z
UID:TALK214777@talks.cam.ac.uk
DESCRIPTION:Many bacteria inhabit hydrated environments like soil\, textil
 es and agar hydrogels in the lab. In these environments\, cells are surrou
 nded by a water meniscus\, and they experience capillary forces. I will sh
 ow that capillary forces organize bacterial colonies\, enabling cells to a
 ggregate into densely packed nematic layers while still allowing them to s
 lide past one another. We develop an experimental apparatus that allows us
  to control bacterial collective behaviors by varying the strength and ran
 ge of capillary forces. Our results suggest that capillary forces may be a
  ubiquitous physical ingredient in shaping microbial communities in partia
 lly hydrated environments.
LOCATION:Seminar Room 1\, Newton Institute
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