Journal of Chromatography A
Journal of Chromatography A
5 years ago

Simultaneous determination of intracellular nucleotides and coenzymes in Yarrowia lipolytica producing lipid and lycopene by capillary zone electrophoresis

Yarrowia lipolytica is an oleaginous yeast with promise in producing terpenoids such as lycopene. Though methods for analyzing primary metabolic intermediates have been established, further work is needed to better analyze nucleotides and coenzymes. Here, we presented an optimized method for the separation of nucleotides and coenzymes in Y. lipolytica using the capillary electrophoresis. The separation of twelve metabolites including four coenzymes, five nucleotides and three nucleosides was achieved within 32min using a voltage of 15kV and 70mM sodium carbonate/hydrogencarbonate buffer with 1.0% β-CD at pH 10. The results show that the concentrations of adenosine triphosphate and nicotinamide adenine dinucleotide phosphate changed significantly between lycopene producing strain and the control, indicating that these two metabolites may be closely related with lycopene production. The optimized method provides a useful approach for future metabolic analysis of fermentation process as well as industrial strain improvement.

Publisher URL: www.sciencedirect.com/science

DOI: S0021967317310956

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