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. 2022:2396:101-115.
doi: 10.1007/978-1-0716-1822-6_9.

GC-MS/MS Profiling of Plant Metabolites

Feroza Kaneez Choudhury  1   2 , Prajita Pandey  1 , Ron Meitei  3 , Dwain Cardona  4 , Amit C Gujar  4 , Vladimir Shulaev  5
Affiliations

GC-MS/MS Profiling of Plant Metabolites

Feroza Kaneez Choudhury et al. Methods Mol Biol. 2022.

Abstract

Gas chromatography coupled to electron ionization (EI) quadrupole mass spectrometry (GC-MS) is currently one of the most developed and robust metabolomics technologies. This approach allows for simultaneous measurements of large number of chemically diverse compounds including organic acids, amino acids, sugars, sugar alcohols, aromatic amines, and fatty acids. Untargeted GC-MS profiling based on full scan data acquisition requires complicated raw data processing and sometime provides ambiguous metabolite identifications. Targeted analysis using GC-MS/MS can provide better specificity, increase sensitivity, and simplify data processing and compound identification but wider application of targeted GC-MS/MS approach in metabolomics is hampered by the lack of extensive databases of MRM transitions for non-derivatized and derivatized endogenous metabolites. The focus of this chapter is the automation of GC-MS/MS method development which makes it feasible to develop quantitative methods for several hundred metabolites and use this strategy for plant metabolomics applications.

Keywords: Arabidopsis; AutoSRM; GC-MS /MS; Metabolomics.

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