A discrete inhomogeneous model for the yeast cell cycle

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Wardil, L.
da Silva, J. K. L.
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Abstract
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We study the robustness and stability of the yeast cell regulatory network by using a general inhomogeneous discrete model. We find that inhomogeneity, on average, enhances the stability of the biggest attractor of the dynamics and that the large size of the basin of attraction is robust against changes in the parameters of inhomogeneity. We find that the most frequent orbit, which represents the cell-cycle pathway, has a better biological meaning than the one exhibited by the homogeneous model.
Comment: 5 pages, 1 figure
Keywords
Quantitative Biology - Molecular Networks, Physics - Biological Physics
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