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lüll Deciphering metabolic networks Fiehn O; Weckwerth WEur J Biochem 2003[Feb]; 270 (4): 579-88All higher organisms divide major biochemical steps into different cellular compartments and often use tissue-specific division of metabolism for the same purpose. Such spatial resolution is accompanied with temporal changes of metabolite synthesis in response to environmental stimuli or developmental needs. Although analyses of primary and secondary gene products, i.e. transcripts, proteins, and metabolites, regularly do not cope with this spatial and temporal resolution, these gene products are often observed to be highly coregulated forming complex networks. Methods to study such networks are reviewed with respect to data acquisition, network statistics, and biochemical interpretation.|*Metabolism[MESH]|*Proteomics[MESH]|Animals[MESH]|Computational Biology[MESH]|Gene Expression Regulation[MESH]|Humans[MESH]|Models, Biological[MESH]|Models, Genetic[MESH]|Signal Transduction[MESH] |