Glutaredoxins are small heat-stable proteins that are active as glutathione-dependent oxidoreductases and are encoded by two genes, designated GRX1 and GRX2, in the yeast Saccharomyces cerevisiae. We report here that the expression of both genes is induced in response to various stress conditions including oxidative, osmotic, and heat stress and in response to stationary phase growth and growth on non-fermentable carbon sources. Furthermore, both genes are activated by the high-osmolarity glycerol pathway and negatively regulated by the Ras-protein kinase A pathway via stress-responsive STRE elements. GRX1 contains a single STRE element and is induced to significantly higher levels compared to GRX2 following heat and osmotic shock. GRX2 contains two STRE elements, and is rapidly induced in response to reactive oxygen species and upon entry into stationary phase growth. Thus, these data support the idea that the two glutaredoxin isoforms in yeast play distinct roles during normal cellular growth and in response to stress conditions.
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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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