Unbalance between Pyridine Nucleotide Cofactors in The SOD1 Deficient Yeast <i>Saccharomyces cerevisiae</i> Causes Hypersensitivity to Alcohols and Aldehydes
Alcohol and aldehyde dehydrogenases are especially relevant enzymes involved in metabolic and detoxification reactions that occur in living cells. The comparison between the gene expression, protein content, and enzymatic activities of cytosolic alcohol and aldehyde dehydrogenases of the wild-type s...
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2022-12-01
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author | Magdalena Kwolek-Mirek Sabina Bednarska Aleksandra Dubicka-Lisowska Roman Maslanka Renata Zadrag-Tecza Pawel Kaszycki |
author_facet | Magdalena Kwolek-Mirek Sabina Bednarska Aleksandra Dubicka-Lisowska Roman Maslanka Renata Zadrag-Tecza Pawel Kaszycki |
author_sort | Magdalena Kwolek-Mirek |
collection | DOAJ |
description | Alcohol and aldehyde dehydrogenases are especially relevant enzymes involved in metabolic and detoxification reactions that occur in living cells. The comparison between the gene expression, protein content, and enzymatic activities of cytosolic alcohol and aldehyde dehydrogenases of the wild-type strain and the Δ<i>sod1</i> mutant lacking superoxide dismutase 1, which is hypersensitive to alcohols and aldehydes, shows that the activity of these enzymes is significantly higher in the Δ<i>sod1</i> mutant, but this is not a mere consequence of differences in the enzymatic protein content nor in the expression levels of genes. The analysis of the NAD(H) and NADP(H) content showed that the higher activity of alcohol and aldehyde dehydrogenases in the Δ<i>sod1</i> mutant could be a result of the increased availability of pyridine nucleotide cofactors. The higher level of NAD<sup>+</sup> in the Δ<i>sod1</i> mutant is not related to the higher level of tryptophan; in turn, a higher generation of NADPH is associated with the upregulation of the pentose phosphate pathway. It is concluded that the increased sensitivity of the Δ<i>sod1</i> mutant to alcohols and aldehydes is not only a result of the disorder of redox homeostasis caused by the induction of oxidative stress but also a consequence of the unbalance between pyridine nucleotide cofactors. |
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spelling | doaj.art-bc3e67c76821453d873c9a311c0064292023-11-16T15:36:35ZengMDPI AGInternational Journal of Molecular Sciences1661-65961422-00672022-12-0124165910.3390/ijms24010659Unbalance between Pyridine Nucleotide Cofactors in The SOD1 Deficient Yeast <i>Saccharomyces cerevisiae</i> Causes Hypersensitivity to Alcohols and AldehydesMagdalena Kwolek-Mirek0Sabina Bednarska1Aleksandra Dubicka-Lisowska2Roman Maslanka3Renata Zadrag-Tecza4Pawel Kaszycki5Department of Biology, Institute of Biology and Biotechnology, College of Natural Sciences, University of Rzeszow, 35-601 Rzeszow, PolandDepartment of Biology, Institute of Biology and Biotechnology, College of Natural Sciences, University of Rzeszow, 35-601 Rzeszow, PolandDepartment of Plant Biology and Biotechnology, Faculty of Biotechnology and Horticulture, University of Agriculture in Krakow, 31-425 Krakow, PolandDepartment of Biology, Institute of Biology and Biotechnology, College of Natural Sciences, University of Rzeszow, 35-601 Rzeszow, PolandDepartment of Biology, Institute of Biology and Biotechnology, College of Natural Sciences, University of Rzeszow, 35-601 Rzeszow, PolandDepartment of Plant Biology and Biotechnology, Faculty of Biotechnology and Horticulture, University of Agriculture in Krakow, 31-425 Krakow, PolandAlcohol and aldehyde dehydrogenases are especially relevant enzymes involved in metabolic and detoxification reactions that occur in living cells. The comparison between the gene expression, protein content, and enzymatic activities of cytosolic alcohol and aldehyde dehydrogenases of the wild-type strain and the Δ<i>sod1</i> mutant lacking superoxide dismutase 1, which is hypersensitive to alcohols and aldehydes, shows that the activity of these enzymes is significantly higher in the Δ<i>sod1</i> mutant, but this is not a mere consequence of differences in the enzymatic protein content nor in the expression levels of genes. The analysis of the NAD(H) and NADP(H) content showed that the higher activity of alcohol and aldehyde dehydrogenases in the Δ<i>sod1</i> mutant could be a result of the increased availability of pyridine nucleotide cofactors. The higher level of NAD<sup>+</sup> in the Δ<i>sod1</i> mutant is not related to the higher level of tryptophan; in turn, a higher generation of NADPH is associated with the upregulation of the pentose phosphate pathway. It is concluded that the increased sensitivity of the Δ<i>sod1</i> mutant to alcohols and aldehydes is not only a result of the disorder of redox homeostasis caused by the induction of oxidative stress but also a consequence of the unbalance between pyridine nucleotide cofactors.https://www.mdpi.com/1422-0067/24/1/659alcohol dehydrogenasealdehyde dehydrogenasealcohols and aldehydes toxicityallyl alcoholacroleinnicotinamide adenine dinucleotide phosphate generation |
spellingShingle | Magdalena Kwolek-Mirek Sabina Bednarska Aleksandra Dubicka-Lisowska Roman Maslanka Renata Zadrag-Tecza Pawel Kaszycki Unbalance between Pyridine Nucleotide Cofactors in The SOD1 Deficient Yeast <i>Saccharomyces cerevisiae</i> Causes Hypersensitivity to Alcohols and Aldehydes International Journal of Molecular Sciences alcohol dehydrogenase aldehyde dehydrogenase alcohols and aldehydes toxicity allyl alcohol acrolein nicotinamide adenine dinucleotide phosphate generation |
title | Unbalance between Pyridine Nucleotide Cofactors in The SOD1 Deficient Yeast <i>Saccharomyces cerevisiae</i> Causes Hypersensitivity to Alcohols and Aldehydes |
title_full | Unbalance between Pyridine Nucleotide Cofactors in The SOD1 Deficient Yeast <i>Saccharomyces cerevisiae</i> Causes Hypersensitivity to Alcohols and Aldehydes |
title_fullStr | Unbalance between Pyridine Nucleotide Cofactors in The SOD1 Deficient Yeast <i>Saccharomyces cerevisiae</i> Causes Hypersensitivity to Alcohols and Aldehydes |
title_full_unstemmed | Unbalance between Pyridine Nucleotide Cofactors in The SOD1 Deficient Yeast <i>Saccharomyces cerevisiae</i> Causes Hypersensitivity to Alcohols and Aldehydes |
title_short | Unbalance between Pyridine Nucleotide Cofactors in The SOD1 Deficient Yeast <i>Saccharomyces cerevisiae</i> Causes Hypersensitivity to Alcohols and Aldehydes |
title_sort | unbalance between pyridine nucleotide cofactors in the sod1 deficient yeast i saccharomyces cerevisiae i causes hypersensitivity to alcohols and aldehydes |
topic | alcohol dehydrogenase aldehyde dehydrogenase alcohols and aldehydes toxicity allyl alcohol acrolein nicotinamide adenine dinucleotide phosphate generation |
url | https://www.mdpi.com/1422-0067/24/1/659 |
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