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Metab Eng. 2001 Jul;3(3):195-206.

13C metabolic flux analysis.

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  • 1Department of Simulation, IMR, University of Siegen, Paul-Bonatz-Strasse 9-11, D-57068 Siegen, Germany.


Metabolic flux analysis using 13C-labeled substrates has become an important tool in metabolic engineering. It allows the detailed quantification of all intracellular fluxes in the central metabolism of a microorganism. The method has strongly evolved in recent years by the introduction of new experimental procedures, measurement techniques, and mathematical data evaluation methods. Many of these improvements require advanced skills in the application of nuclear magnetic resonance and mass spectrometry techniques on the one hand and computational and statistical experience on the other hand. This minireview summarizes these recent developments and sketches the major practical problems. An outlook to possible future developments concludes the text.

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