Comparing Boolean and Piecewise Affine Differential Models for Genetic Networks

Acta Biotheoretica 58 (2):217-232 (2010)
Multi-level discrete models of genetic networks, or the more general piecewise affine differential models, provide qualitative information on the dynamics of the system, based on a small number of parameters (such as synthesis and degradation rates). Boolean models also provide qualitative information, but are based simply on the structure of interconnections. To explore the relationship between the two formalisms, a piecewise affine differential model and a Boolean model are compared, for the carbon starvation response network in E. coli . The asymptotic dynamics of both models are shown to be quite similar. This study suggests new tools for analysis and reduction of biological networks
Keywords Philosophy   Evolutionary Biology   Philosophy of Biology
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DOI 10.1007/s10441-010-9097-6
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