Optimised protocols for the metabolic profiling of S. cerevisiae by 1H-NMR and HRMAS spectroscopy.
An optimised extraction protocol for the analysis of Saccharomyces cerevisiae aqueous and organic metabolites by nuclear magnetic resonance spectroscopy that allows the identification and quantification of up to 50 different compounds is presented. The method was compared with other metabolic profiling protocols for S. cerevisiae, where generally different analytical techniques are applied for metabolite quantification. In addition, the analysis of intact S. cerevisiae cells by HRMAS was implemented for the first time as a complementary method. The optimised protocols were applied to study the metabolic effect of glucose and galactose on S. cerevisiae growth. Furthermore, the metabolic reaction of S. cerevisiae to osmotic stress has been studied.
Nuclear Magnetic Resonance Service, Centro de Investigación Príncipe Felipe (CIPF), C. Eduardo Primo Yúfera 3, 46012, Valencia, Spain.
Martina
M
Palomino-Schätzlein
Maria Micaela
MM
Molina-Navarro
Marta
M
Tormos-Pérez
Susana
S
Rodríguez-Navarro
Antonio
A
Pineda-Lucena
D005690:Galactose / Q000378:metabolism; D005947:Glucose / Q000378:metabolism; D055442:Metabolome; D019906:Nuclear Magnetic Resonance, Biomolecular / Q000379:methods*; D012441:Saccharomyces cerevisiae / Q000378:metabolism* / Q000502:physiology
D005947:Glucose; D005690:Galactose