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Yeast metabolomics: sample preparation for a GC/MS-based analysis.

Sónia Carneiro1, Rui Pereira, Isabel Rocha

  • 1IBB-Institute for Biotechnology and Bioengineering, Center of Biological Engineering, University of Minho, Campus de Gualtar, 4710-057, Braga, Portugal, soniacarneiro@deb.uminho.pt.

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|April 19, 2014
PubMed
Summary
This summary is machine-generated.

This study details a gas chromatography-mass spectrometry (GC-MS) protocol for yeast metabolome analysis. It covers sample preparation, metabolite extraction, and analysis, focusing on central carbon metabolism compounds.

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Area of Science:

  • Metabolomics
  • Analytical Chemistry
  • Biochemistry

Background:

  • Metabolome sample preparation is critical for data quality in metabolomics.
  • Yeast cells are a common model system for cellular metabolism studies.
  • Gas chromatography-mass spectrometry (GC-MS) is a powerful technique for metabolite profiling.

Purpose of the Study:

  • To present a standardized protocol for yeast metabolome analysis using GC-MS.
  • To outline key steps including sample preparation, quenching, and metabolite extraction.
  • To focus on the analysis of amino and carboxyl group-containing metabolites central to carbon metabolism.

Main Methods:

  • Sample preparation tailored for yeast cells.
  • Overview of sample quenching and intracellular metabolite extraction techniques.
  • Detailed GC-MS based analytical procedure.

Main Results:

  • A comprehensive protocol for yeast metabolome analysis is described.
  • The protocol is optimized for metabolites involved in central carbon metabolism.
  • The method ensures suitability for yeast cellular systems and analytical performance.

Conclusions:

  • Effective sample preparation is essential for high-quality metabolomics data.
  • The presented GC-MS protocol provides a robust method for yeast metabolome profiling.
  • This protocol facilitates the study of key metabolites in yeast central carbon metabolism.