DExSI: a new tool for the rapid quantitation of ¹³C-labelled metabolites detected by GC-MS
2018
Dagley, Michael J | McConville, Malcolm J | Wren, Jonathan
Stable isotope directed metabolomics is increasingly being used to measure metabolic fluxes in microbial, plant and animal cells. Incorporation of ¹³C/¹⁵N isotopes into a wide range of metabolites is typically determined using gas chromatography-mass spectrometry (GC/MS) or other hyphenated mass spectrometry approaches. The DExSI (Data Extraction for Stable Isotope-labelled metabolites) pipeline is an interactive graphical software package which can be used to rapidly quantitate isotopologues for a wide variety of metabolites detected by GC/MS. DExSI performs automated metabolite annotation, mass and positional isotopomer abundance determination and natural isotope abundance correction. It provides a range of output options and is suitable for high throughput analyses. DExSI is available for non-commercial use from: https://github.com/DExSI/DExSI/. For Microsoft Windows 7 or higher (64-bit). Supplementary data are available at Bioinformatics online.
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