Transcription factor Stb5p, previously known as one of the multidrug resistance gene regulators in Saccharomyces cerevisiae, was shown here to play an essential role in acetaldehyde tolerance. A mutant strain, Δstb5 exhibited increased acetaldehyde sensitivity, and failed to induce genes such as GND1, TKL1 and TAL1 involved in the pentose phosphate pathway (PPP) upon acetaldehyde stress. Using this strain it was revealed that Stb5p acts as a repressor for PGI1 encoding glucose-6-phosphate isomerase under acetaldehyde stress. In reverse, over-expression of Stb5p reinforced acetaldehyde tolerance to the yeast. Furthermore, various deletion mutants of the genes involved in glycolysis showed increased acetaldehyde tolerance compared to the wild-type strain. From these results, it was suggested that Stb5p participates in acetaldehyde tolerance by regulating expression of the PPP genes and PGI1, and that down-regulation of glycolytic pathway may lead to vitalization of PPP and to increased acetaldehyde tolerance.
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| Evidence ID | Analyze ID | Gene/Complex | Systematic Name/Complex Accession | Qualifier | Gene Ontology Term ID | Gene Ontology Term | Aspect | Annotation Extension | Evidence | Method | Source | Assigned On | Reference |
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| Evidence ID | Analyze ID | Gene | Gene Systematic Name | Phenotype | Experiment Type | Experiment Type Category | Mutant Information | Strain Background | Chemical | Details | Reference |
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| Evidence ID | Analyze ID | Gene | Gene Systematic Name | Disease Ontology Term | Disease Ontology Term ID | Qualifier | Evidence | Method | Source | Assigned On | Reference |
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| Evidence ID | Analyze ID | Regulator | Regulator Systematic Name | Target | Target Systematic Name | Direction | Regulation of | Happens During | Regulator Type | Direction | Regulation Of | Happens During | Method | Evidence | Strain Background | Reference |
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| Site | Modification | Modifier | Source | Reference |
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| Evidence ID | Analyze ID | Interactor | Interactor Systematic Name | Interactor | Interactor Systematic Name | Allele | Assay | Annotation | Action | Phenotype | SGA score | P-value | Source | Reference | Note |
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| Evidence ID | Analyze ID | Interactor | Interactor Systematic Name | Interactor | Interactor Systematic Name | Assay | Annotation | Action | Modification | Source | Reference | Note |
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| Complement ID | Locus ID | Gene | Species | Gene ID | Strain background | Direction | Details | Source | Reference |
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| Evidence ID | Analyze ID | Dataset | Description | Keywords | Number of Conditions | Reference |
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