Title |
iMS2Flux– a high–throughput processing tool for stable isotope labeled mass spectrometric data used for metabolic flux analysis
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Published in |
BMC Bioinformatics, November 2012
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DOI | 10.1186/1471-2105-13-295 |
Pubmed ID | |
Authors |
C Hart Poskar, Jan Huege, Christian Krach, Mathias Franke, Yair Shachar-Hill, Björn H Junker |
Abstract |
Metabolic flux analysis has become an established method in systems biology and functional genomics. The most common approach for determining intracellular metabolic fluxes is to utilize mass spectrometry in combination with stable isotope labeling experiments. However, before the mass spectrometric data can be used it has to be corrected for biases caused by naturally occurring stable isotopes, by the analytical technique(s) employed, or by the biological sample itself. Finally the MS data and the labeling information it contains have to be assembled into a data format usable by flux analysis software (of which several dedicated packages exist). Currently the processing of mass spectrometric data is time-consuming and error-prone requiring peak by peak cut-and-paste analysis and manual curation. In order to facilitate high-throughput metabolic flux analysis, the automation of multiple steps in the analytical workflow is necessary. |
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