Prof. Klipp erforscht die mathematische Modellierung biologischer Systeme, insbesondere die dynamische Regulation von Signalwegen, Stoffwechsel und Genexpression in Zellen. Sie entwickelt computergestützte Modelle, die komplexe zelluläre Prozesse — von der Pheromonsignalisierung in Hefezellen über Zellzykluskontrolle bis zur Metaboliten-Dynamik — quantitativ beschreiben und vorhersagen. Ihre aktuelle Arbeit verbindet experimentelle Daten (Transkriptomik, Metabolomik, Einzelmolekül-Messungen) mit thermodynamisch fundierten kinetischen Modellen, um ganze Zellen oder Stoffwechselnetzwerke zu simulieren. Dies ermöglicht es Unternehmen in Biotechnologie, Pharmazie und Metabolic Engineering, Produktionsprozesse zu optimieren, Wirkstoffe gezielt zu entwickeln und Nebenwirkungen vorherzusagen — etwa bei der Herstellung von Biotherapeutika oder bei der Analyse von Arzneimitteltoxizität.
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Prof. Dr. rer. nat. Dr. h.c. Edda Klipp
HU-FIS-Profil ↗Engineering of New-Generation Protein Secretion Systems
other
Systems Biology of Mycobacterium tuberculosis
other
Systems Biology of Mycobacterium tuberculosis
other
Eukaryotic Unicellular Organism Biology – Systems Biology of the Control of Cell Growth and Proliferation
university
EU: Eine neue Generation von mikrobiellen Expressionswirten und -werkzeugen zur Herstellung von Biotherapeutika und hochwertigen Enzymen (SECRETERS)
university
Systematic Models for Biological Systems Engineering Training Network
university
Zeitraum: 09/2004 - 02/2009 Projektleitung: Prof. Dr. rer. nat. Dr. h.c. Edda Klipp
Zeitraum: 01/2005 - 12/2008 Projektleitung: Prof. Dr. rer. nat. Dr. h.c. Edda Klipp
Förderer: DFG Graduiertenkolleg Zeitraum: 04/2006 - 09/2010 Projektleitung: Prof. Dr. rer. nat. Dr. h.c. Edda Klipp
Science · DOI
Outside In Acquisition and analysis of large data sets promises to move us toward a greater understanding of the mechanisms by which biological systems are dynamically regulated to respond to external cues. Now, two papers explore the responses of a bacterium to changing nutritional conditions (see the Perspective by Chalancon et al. ). Nicolas et al. (p. 1103 ) measured transcriptional regulation for more than 100 different conditions. Greater amounts of antisense RNA were generated than expected and appeared to be produced by alternative RNA polymerase targeting subunits called sigma factors. One transition, from malate to glucose as the primary nutrient, was studied in more detail by Buescher et al. (p. 1099 ) who monitored RNA abundance, promoter activity in live cells, protein abundance, and absolute concentrations of intracellular and extracellular metabolites. In this case, the bacteria responded rapidly and largely without transcriptional changes to life on malate, but only slowly adapted to use glucose, a shift that required changes in nearly half the transcription network. These data offer an initial understanding of why certain regulatory strategies may be favored during evolution of dynamic control systems.
Nature Biotechnology · DOI
Nature Biotechnology · DOI
Genomic data allow the large-scale manual or semi-automated assembly of metabolic network reconstructions, which provide highly curated organism-specific knowledge bases. Although several genome-scale network reconstructions describe Saccharomyces cerevisiae metabolism, they differ in scope and content, and use different terminologies to describe the same chemical entities. This makes comparisons between them difficult and underscores the desirability of a consolidated metabolic network that collects and formalizes the 'community knowledge' of yeast metabolism. We describe how we have produced a consensus metabolic network reconstruction for S. cerevisiae. In drafting it, we placed special emphasis on referencing molecules to persistent databases or using database-independent forms, such as SMILES or InChI strings, as this permits their chemical structure to be represented unambiguously and in a manner that permits automated reasoning. The reconstruction is readily available via a publicly accessible database and in the Systems Biology Markup Language (http://www.comp-sys-bio.org/yeastnet). It can be maintained as a resource that serves as a common denominator for studying the systems biology of yeast. Similar strategies should benefit communities studying genome-scale metabolic networks of other organisms.