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SUMMARY:Control\, coordination\, and computation in ciliated critters - Ki
 rsty Wan\, University of Exeter
DTSTART:20220311T160000Z
DTEND:20220311T170000Z
UID:TALK168449@talks.cam.ac.uk
CONTACT:Prof. Jerome Neufeld
DESCRIPTION:Cilia are ubiquitous\, hair-like protrusions attached to cells
 . Interactions between cilia and ciliated tissues mediate a variety of phy
 siological flows that may be external (directed outside of the organism)\,
  or internal (to facilitate internal processes such as feeding or mucocili
 ary clearance). Whenever multiple cilia exist in close proximity they will
  invariably interact\, leading to the emergence of many types of local and
  global coordination patterns. Often\, the mechanism of this interaction o
 r coupling is mysterious and highly system-dependent. Adjacent cilia can c
 ommunicate physically through the fluid\, but they can also do so via elas
 tic or cytoskeletal linkages through the cell or tissue surface. In this t
 alk we will consider the strategies and consequences of distinct modes of 
 ciliary coordination and propulsion in diverse organisms ranging from sing
 le-celled eukaryotes (protists)\, to the ciliated larvae of marine inverte
 brates. We will introduce different model systems in which groups of cilia
  can move completely synchronously\, maintain specific synchronization pat
 terns\, or else beat metachronously along topologically interesting struct
 ures. We will also discuss how ciliary arrays select different modes of sy
 nchrony or metachrony\, transitioning stochastically between order and dis
 order\, and the implications of this for whole-organism self-propulsion an
 d navigation in the vast depths of the ocean.
LOCATION:MR2\, Centre for Mathematical Sciences\, Wilberforce Road\, Cambr
 idge
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