Seminar über aktuelle Fragen zur Dynamik komplexer Fluide

Seminar über aktuelle Fragen zur Dynamik komplexer Fluide: Keeping the (flagellar) beat: timing, synchrony, irreversibility

  • Datum: 16.02.2018
  • Uhrzeit: 10:15 - 11:15
  • Vortragender: Kirsty Wan
  • University of Exeter, GB
  • Ort: Max-Planck-Institut für Dynamik und Selbstorganisation (MPIDS)
  • Raum: SR 0.77
  • Gastgeber: MPIDS/DCF
  • Kontakt: oliver.baeumchen@ds.mpg.de
Eukaryotic cilia (or interchangeably flagella), are tiny hairs lining lung epithelia which beat collectively to rid the airways of mucus and debris; the same structure confers motility to sperm, and enables microscale propulsion of many species of microorganisms. Here, we demonstrate in the flagella of unicellular algae a remarkable capacity to produce not only robust, self-sustained oscillations, but also rapid bifurcations between drastically different actuation modes. By examining single-cell motility we further reveal the extent to which the flagellum, particularly the control of flagellar beating, breaks temporal reversibility.
 
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