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An Integrated Workflow of Identification and Quantification on FDR Control-Based Untargeted Metabolome
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Biochimie
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Journal JoVE Biochimie
An Integrated Workflow of Identification and Quantification on FDR Control-Based Untargeted Metabolome

An Integrated Workflow of Identification and Quantification on FDR Control-Based Untargeted Metabolome

DOI:
10.3791/63625-v

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05:35 min

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September 20, 2022

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, , ,
1Key Laboratory of Functional Protein Research of Guangdong Higher Education Institutes and MOE Key Laboratory of Tumor Molecular Biology, Institute of Life and Health Engineering, College of Life Science and Technology,Jinan University, 2Chi-Biotech Co. Ltd.

Chapitres

  • 00:05Introduction
  • 01:07Preparing Metabolomics Datasets
  • 02:21Metabolite Identification and Differential Analysis
  • 03:49Results: Quantitative Analysis by MetaX
  • 04:52Conclusion

Summary

Traduction automatique

Traduction automatique

We constructed an untargeted metabolomic workflow that integrated XY-Meta and metaX together. In this protocol, we displayed how to use XY-Meta to generate a decoy spectral library from open access spectra reference, and then performed FDR control and used the metaX to quantitate the metabolites after identifying the metabolomics spectra.

Tags

Keywords: FDR ControlUntargeted MetabolomeXY-MetaTarget-decoy StrategyMetabolite IdentificationFalse Positive ReductionBiomarker DiscoveryGNPS DatabaseProteoWizardRaw Data ConversionNIST LibraryXY-Meta ProgramMetaX SoftwareQuantitative AnalysisPCA PlotPeak Annotation

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