Pantheon SEMPARIS Le serveur des séminaires parisiens Paris

Status Confirmed
Seminar Series SEM-LPTMC
Subjects cond-mat.mes-hall
Date Monday 15 January 2018
Time 11:00
Institute LPTMC
Seminar Room tower 13-12 room 5-23
Speaker's Last Name Estevez-Torres
Speaker's First Name André
Speaker's Email Address andre [dot] estevez-torres [at] upmc [dot] fr
Speaker's Institution Laboratoire Jean Perrin, Paris
Title Writing down reaction-diffusion equations with DNA
Abstract The question that motivates my research is: to what extent non-equilibrium molecular systems can create order at the macroscopic scale, in particular spatial order. A major mechanism of spatial self-organization is reaction-diffusion. For decades reaction-diffusion has been experimentally investigated using the Belousov-Zhabotinsky reaction and its cousins. The problem is that the dynamics of this reaction is difficult to change, limiting the number of questions that one can address using this system. As a possible solution to this drawback I will introduce an approach to engineer chemical dynamical systems using DNA and three enzymes. I will then describe the experimental implementation of various reaction-diffusion patterns with this system: monostable and bistable traveling fronts, predator-prey waves and spirals, and immobile fronts. Finally, I will suggest open theoretical questions that we have encountered while
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