Research Topics
| W LiebermeisterSummaryAffiliation: Max Planck Institute for Molecular Genetics Country: Germany Publications
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Detail Information
Publications
Linear modes of gene expression determined by independent component analysisWolfram Liebermeister
Theoretische Biophysik, Institut fur Biologie, Humboldt Universitat zu Berlin, Invalidenstrasse 42, 10115 Berlin, Germany
Bioinformatics 18:51-60. 2002..A projection to expression modes helps to highlight particular biological functions, to reduce noise, and to compress the data in a biologically sensible way...
Mathematical modeling of intracellular signaling pathwaysEdda Klipp
Max Planck Institute for Molecular Genetics, Ihnestr 73, 14195 Berlin, Germany
BMC Neurosci 7:S10. 2006..Focusing on the close interplay between experimental investigation of pathways and the mathematical representations of cellular dynamics, we discuss challenges and perspectives that emerge in studies of signaling systems...
Bringing metabolic networks to life: convenience rate law and thermodynamic constraintsWolfram Liebermeister
Computational Systems Biology, Max Planck Institute for Molecular Genetics, Berlin, Germany
Theor Biol Med Model 3:41. 2006..The mathematical expressions depend on the underlying enzymatic mechanism; they can become quite involved and may contain a large number of parameters. Rate laws and enzyme parameters are still unknown for most enzymes...
Bringing metabolic networks to life: integration of kinetic, metabolic, and proteomic dataWolfram Liebermeister
Computational Systems Biology, Max Planck Institute for Molecular Genetics, Berlin, Germany
Theor Biol Med Model 3:42. 2006..In Bayesian parameter estimation, model parameters are described by a posterior probability distribution, which scores the potential parameter sets, showing how well each of them agrees with the data and with the prior assumptions made...
A theory of optimal differential gene expressionWolfram Liebermeister
Berlin Center for Genome Based Bioinformatics, Max Planck Institute for Molecular Genetics, Berlin, Germany
Biosystems 76:261-78. 2004..Where the optimality assumption is valid, our results justify the use of expression data for functional annotation and for pathway reconstruction and suggest the use of linear factor models for the analysis of gene expression data...
Response to temporal parameter fluctuations in biochemical networksWolfram Liebermeister
Berlin Center for Genome Based Bioinformatics, Max Planck Institute for Molecular Genetics, Ihnestr 73, 14195 Berlin, Germany
J Theor Biol 234:423-38. 2005..The temporal response to small parameter fluctuations can be computed by Fourier synthesis. For a model of glycolysis, this approximation remains fairly accurate even for large relative fluctuations of the parameters...
Biochemical network models simplified by balanced truncationWolfram Liebermeister
Max Planck Institute for Molecular Genetics, Berlin, Germany
FEBS J 272:4034-43. 2005..The speed-up in computation gained by model reduction may become vital for parameter estimation in large cell models...
Predicting physiological concentrations of metabolites from their molecular structureWolfram Liebermeister
Max Planck Institute for Molecular Genetics, Kinetic Modelling Group, Berlin, Germany
J Comput Biol 12:1307-15. 2005..The model explains about 22% of the variance of the logarithmic mean concentrations...
Biochemical networks with uncertain parametersW Liebermeister
Max Planck Institute for Molecular Genetics, Berlin, Germany
Syst Biol (Stevenage) 152:97-107. 2005..It also shows clearly how the variability of biological systems is related to the metabolic response coefficients...
Nested uncertainties in biochemical modelsJ Schaber
Humboldt University Berlin, Institute for Biology, Theoretical Biophysics, Berlin, Germany
IET Syst Biol 3:1-9. 2009..Here, the authors review some issues arising from such uncertainties and sketch methods, solutions and future directions to deal with them...
Inferring dynamic properties of biochemical reaction networks from structural knowledgeEdda Klipp
Berlin Center for Genome Based Bioinformatics BCB, Max Planck Institute for Molecular Genetics, Dept Vertebrate Genomics, Ihnestr 73, Berlin 14195, Germany
Genome Inform 15:125-37. 2004..This analysis reveals how much information about dynamic behavior can be drawn from structural knowledge...
Automatically generated model of a metabolic networkSimon Borger
Max Planck Institute for Molecular Genetics, Berlin, Germany
Genome Inform 18:215-24. 2007..Last, the kinetics of the reactions are assigned parameters. The resulting model in SBML format can be fed into standard simulation tools. The approach is applied to the sulphur-glutathione-pathway in Saccharomyces cerevisiae...
Prediction of enzyme kinetic parameters based on statistical learningSimon Borger
Max Planck Institute for Molecular Genetics, Ihnestrasse 63 73, 14195 Berlin, Germany
Genome Inform 17:80-7. 2006..16. The method is applicable to other types of kinetic parameters for which many experimental data are available...
SBMLmerge, a system for combining biochemical network modelsMarvin Schulz
Max Planck Institute for Molecular Genetics, Ihnestrasse 63 73, 14195 Berlin, Germany
Genome Inform 17:62-71. 2006..If the input models make contradicting statements about a biochemical quantity, the user is asked to choose between them. In the end the merging process results in a new, valid SBML model...
Exploring the effect of variable enzyme concentrations in a kinetic model of yeast glycolysisJózsef Bruck
Max Planck Institute for Molecular Genetics, Ihnestr 63 73, 14195 Berlin, Germany
Genome Inform 20:1-14. 2008..We were partly able to reproduce the experimental data and present a number of changes that were necessary to improve the modeling result...
Modular rate laws for enzymatic reactions: thermodynamics, elasticities and implementationWolfram Liebermeister
Institut fur Biologie, Theoretische Biophysik, Humboldt Universitat zu Berlin, Berlin, Germany
Bioinformatics 26:1528-34. 2010..At the same time, they need to respect thermodynamic relations between the kinetic constants and the metabolic fluxes and concentrations...
Integration of enzyme kinetic data from various sourcesSimon Borger
Computational Systems Biology, Max Planck Institute for Molecular Genetics, Berlin, Germany
In Silico Biol 7:S73-9. 2007..All methods have been assembled into a workflow that facilitates the integration of biochemical data and the modelling of metabolic networks from scratch...
Systems biology standards--the community speaksEdda Klipp
Nat Biotechnol 25:390-1. 2007
A comprehensive library of fluorescent transcriptional reporters for Escherichia coliAlon Zaslaver
Department of Molecular Cell Biology, Weizmann Institute of Science, 76100, Israel
Nat Methods 3:623-8. 2006..coli, including putative internal promoters within previously known operons, such as the lac operon. This library can serve as a tool for accurate, high-resolution analysis of transcription networks in living E. coli cells...
Does mapping reveal correlation between gene expression and protein-protein interaction?Ralf Mrowka
Nat Genet 33:15-6; author reply 16-7. 2003
