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SUMMARY:Physical aspects of evolutionary transitions to multicellularity -
  Professor Ray Goldstein\, DAMTP\, University of Cambridge
DTSTART:20081127T160000Z
DTEND:20081127T170000Z
UID:TALK13484@talks.cam.ac.uk
CONTACT:3901
DESCRIPTION:One of the most fundamental issues in evolutionary biology is 
 the nature of transitions from single cell organisms to multicellular ones
 \, with accompanying cellular differentiation and specialisation. Not surp
 risingly for microscopic life in fluid environments\, many of the relevant
  physical\nconsiderations involve diffusion and mixing\, for the efficient
  exchange of nutrients and metabolites with the environment is one of the 
 most basic features of life. In this talk I will describe a synthesis of t
 heoretical and experimental work that attempts to answer some basic questi
 ons about issues of transport important to multicellular life\, using vari
 ous model organisms to study the regime in which advection by fluid motion
  strongly dominates diffusion. Topics to be addressed include metabolic dy
 namics\, phototaxis and flagellar synchronisation in colonial alga and cyt
 oplasmic streaming in aquatic plants. \n\nhttp://www.damtp.cam.ac.uk/user/
 gold/
LOCATION:Department of Plant Sciences\, Large Lecture Theatre
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