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| Content Provider | Royal Society of Chemistry (RSC) |
|---|---|
| Author | Zinovyev, Andrei Barillot, Emmanuel Calzone, Laurence |
| Copyright Year | 2015 |
| Abstract | Genetic interaction can be defined as a deviation of the phenotypic quantitative effect of a double gene mutation from the effect predicted from single mutations using a simple (e.g., multiplicative or linear additive) statistical model. Experimentally characterized genetic interaction networks in model organisms provide important insights into relationships between different biological functions. We describe a computational methodology allowing us to systematically and quantitatively characterize a Boolean mathematical model of a biological network in terms of genetic interactions between all loss of function and gain of function mutations with respect to all model phenotypes or outputs. We use the probabilistic framework defined in MaBoSS software, based on continuous time Markov chains and stochastic simulations. In addition, we suggest several computational tools for studying the distribution of double mutants in the space of model phenotype probabilities. We demonstrate this methodology on three published models for each of which we derive the genetic interaction networks and analyze their properties. We classify the obtained interactions according to their class of epistasis, dependence on the chosen initial conditions and the phenotype. The use of this methodology for validating mathematical models from experimental data and designing new experiments is discussed. |
| Starting Page | 921 |
| Ending Page | 929 |
| Page Count | 9 |
| File Format | HTM / HTML PDF |
| ISSN | 17579694 |
| Volume Number | 7 |
| Issue Number | 8 |
| Journal | Integrative Biology |
| DOI | 10.1039/c5ib00029g |
| Language | English |
| Publisher | Royal Society of Chemistry |
| Access Restriction | Open |
| Subject Keyword | Markov Gene Mutation Statistical model Boolean network Mathematical model Biological network Markov chain Stochastic process Phenotype Epistasis Dependent and independent variables |
| Content Type | Text |
| Resource Type | Article |
| Subject | Medicine Biochemistry Biophysics |
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