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Related Experiment Video

Updated: May 22, 2026

Large Scale Non-targeted Metabolomic Profiling of Serum by Ultra Performance Liquid Chromatography-Mass Spectrometry (UPLC-MS)
07:34

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Published on: March 14, 2013

Mass spectrometry-based microbial metabolomics.

Edward E K Baidoo1, Peter I Benke, Jay D Keasling

  • 1Physical Biosciences Division, Lawrence Berkeley National Laboratory, Berkeley, CA, USA. EEBaidoo@lbl.gov

Methods in Molecular Biology (Clifton, N.J.)
|May 29, 2012
PubMed
Summary

Metabolomics uses mass spectrometry (MS) coupled with chromatography or electrophoresis to analyze cellular functions. These hyphenated techniques, including GC-MS, LC-MS, and CE-MS, are essential for profiling microbial metabolites.

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Area of Science:

  • Biochemistry and Molecular Biology
  • Analytical Chemistry
  • Microbiology

Background:

  • Metabolomics provides functional insights into cellular activities by characterizing metabolic pathways.
  • Monitoring the chemically diverse metabolome is challenging due to its complexity.
  • Mass spectrometry (MS)-based profiling is a key technology for metabolomic analysis.

Purpose of the Study:

  • To describe mass spectrometry (MS)-based methods for microbial metabolomics.
  • To highlight the utility of hyphenated techniques for metabolite profiling.
  • To detail gas chromatography-MS (GC-MS), liquid chromatography-MS (LC-MS), and capillary electrophoresis-MS (CE-MS) applications.

Main Methods:

  • Coupling MS with separation techniques: gas chromatography (GC), liquid chromatography (LC), and capillary electrophoresis (CE).
  • Utilizing the mass-based selectivity of MS combined with chromatographic or electrophoretic separation.
  • Application of these hyphenated techniques to analyze microbial extracts.

Main Results:

  • Demonstrated the effectiveness of GC-MS, LC-MS, and CE-MS for analyzing large numbers of metabolites.
  • Established hyphenated MS techniques as suitable for microbial metabolomics.
  • Provided a framework for metabolite measurement in microbial samples.

Conclusions:

  • Hyphenated MS techniques are powerful tools for microbial metabolomics.
  • These methods enable comprehensive profiling of microbial metabolic activities.
  • The described GC-MS, LC-MS, and CE-MS methods are applicable to diverse microbial metabolomics studies.