ArticleScientific reports2016
(1)H NMR metabolomic study of auxotrophic starvation in yeast using Multivariate Curve Resolution-Alternating Least Squares for Pathway Analysis.
Article in Scientific reports, 2016. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 6 papers.
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Who cites it
6 citing papers in PubMed.
- QuantitativeAnalytical and bioanalytical chemistry · 2025Article
- Examination of internal metabolome and VOCs profile of brewery yeast and their mutants producing beer with improved aroma.Scientific reports · 2024Article
- Purine Auxotrophic Starvation Evokes Phenotype Similar to Stationary Phase Cells in Budding Yeast.Journal of fungi (Basel, Switzerland) · 2021Article
- Preclinical Evaluation of Dimethyl Itaconate Against Hepatocellular CarcinomaFrontiers in pharmacology · 2021Article
- Zinc oxide nanoparticles impose metabolic toxicity by de-regulating proteome and metabolome inToxicology reports · 2019Article
- Bio-Inspired Silver Nanoparticles Impose Metabolic and Epigenetic Toxicity toFrontiers in pharmacology · 2019Article
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Authors and funding
4 authors.
Funding
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Abstract
Disruption of specific metabolic pathways constitutes the mode of action of many known toxicants and it is responsible for the adverse phenotypes associated to human genetic defects. Conversely, many industrial applications rely on metabolic alterations of diverse microorganisms, whereas many therapeutic drugs aim to selectively disrupt pathogens' metabolism. In this work we analyzed metabolic changes induced by auxotrophic starvation conditions in yeast in a non-targeted approach, using one-dimensional proton Nuclear Magnetic Resonance spectroscopy ((1)H NMR) and chemometric analyses. Analysis of the raw spectral datasets showed specific changes linked to the different stages during unrestricted yeast growth, as well as specific changes linked to each of the four tested starvation conditions (L-methionine, L-histidine, L-leucine and uracil). Analysis of changes in concentrations of more than 40 metabolites by Multivariate Curve Resolution - Alternating Least Squares (MCR-ALS) showed the normal progression of key metabolites during lag, exponential and stationary unrestricted growth phases, while reflecting the metabolic blockage induced by the starvation conditions. In this case, different metabolic intermediates accumulated over time, allowing identification of the different metabolic pathways specifically affected by each gene disruption. This synergy between NMR metabolomics and molecular biology may have clear implications for both genetic diagnostics and drug development.
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