Dresden 2006 – scientific programme

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DY: Dynamik und Statistische Physik

DY 46: Poster

DY 46.87: Poster

Thursday, March 30, 2006, 16:00–18:00, P1

Evolution of Boolean networks — •Agnes Szejka and Barbara Drossel — Institut für Festkörperphysik, Technische Universität Darmstadt

Boolean networks with canalizing functions are used to model gene regulatory networks. In order to understand how such structures could have evolved, we simulate evolution of a boolean network with canalizing functions, where mutations change the connections and the functions of the nodes. One fitness criterion is for example the robustness of the network against small perturbations. We explore the fitness landscape of these systems by performing an adaptive walk and we keep track of changes in attractor length and of the occurring mutations.