Aleksandra Ardaševa has earned her Ph.D. from the University of Oxford, where she explored evolutionary adaptation strategies in solid tumours. Now an SNSF Ambizione fellow at EPFL, she investigates the eco-evolutionary dynamics of active biological matter following her postdoctoral work at the Niels Bohr Institute.  

Abstract: Active matter encompasses a wide range of systems that consist of individuals, which extract energy from their surroundings and convert it into mechanical work. 

Such individuals, including bacteria and eukaryotic cells, exist in extremely diverse environments, which, in turn, lead to a complex network of inter- and intra-population interactions.

Mechanical forces, exerted and experienced by cells, can act as messengers, regulating individual behaviour, however, how they lead to emergent collective behaviours and the emergence of liquid crystalline features in such active systems have not been elucidated yet.

Here, by utilising continuum liquid crystal theory, we investigate how mechanical interactions with surroundings and other cells can affect collective cell migration. 

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