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Metabolomics Fiehn Lab

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Section of Molecular and Cellular Biology

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Our group studies the regulation of plant biochemical pathways in order to learn more about network responses in plants, which may result from genetic or environmental perturbation.

Examples could be the use of algae (Chlamydomonas) for analyzing metabolic networks in time series of stress conditions, or source-sink alterations upon pathogen infections. In order to analyze biochemicals we use cutting edge tools of analytical chemistry.

We aim at identification and quantification of all metabolites in a given biological situation, called metabolomics, for which we develop methods using mass spectrometry coupled to gas and liquid chromatography (GC/MS and LC/MS). The readout of this data is then structured and analyzed by multivariate statistics. As part of these efforts we have developed new distance metrics that robustly recognize co-regulation of pairs of metabolites which can then be visualized and compared by network graphs.

Ultimately we want to relate changes in these networks back to interactions with the underlying biochemical pathways, protein-protein interactions and genetic networks and in order to understand the relationship between the different cellular components in eukaryote cells. 

Prof. Dr. Oliver Fiehn

Last modified 2005-05-23 10:31 AM
 

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