Quantifying yeast lipidomics by high-performance thin-layer chromatography (HPTLC) and comparison to mass spectrometry-based shotgun lipidomics
2024
Thorsten Meyer | Oskar Knittelfelder | Martin Smolnig | Patrick Rockenfeller
Lipidomic analysis in diverse biological settings has be-come a frequent tool to increase our understanding of the processes of life. Cellular lipids play important roles not only as being the main components of cellular membranes, but also in the regulation of cell homeostasis as lipid signaling molecules. Yeast has been harnessed for biomedical research based on its good conservation of genetics and fundamental cell organisation principles and molecular path-ways. Further application in so-called humanised yeast models have been developed which take advantage of yeast as providing the ba-sics of a living cell with full control over heterologous expression. Here we present evidence that high-performance thin-layer chroma-tography (HPTLC) represents an effective alternative to replace cost intensive mass spectrometry-based lipidomic analyses. We provide statistical comparison of identical samples by both methods, which support the use of HPTLC for quantitative analysis of the main yeast lipid classes.
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