Saccharomyces cerevisiae contains a group of transcription factors related to mammalian c-Jun. This yeast Jun-family of proteins consists of GCN4, a regulator of genes involved in amino acid biosynthesis, and yAP-1, a factor conferring pleiotropic drug resistance when overexpressed. In the work described here, we show that a third member of the yeast Jun-family exists. This protein has been designated CAD1 and provides resistance to cadmium when present on a high-copy plasmid. CAD1 and yAP-1 are related in their amino-terminal DNA binding domains and can recognize the same DNA target site in vitro. Overproduction of CAD1 leads to transcriptional activation of an artificial reporter gene in delta yap1 cells. High level production of either CAD1 or yAP-1 causes cells to acquire a pleiotropic drug-resistant phenotype and to be able to tolerate normally toxic levels of iron chelators and zinc. Surprisingly, disruption of the CAD1 gene has no effect on the normal cellular resistance to cadmium but delta yap1 mutants are hypersensitive to this cytotoxic metal. The cadmium hypersensitivity of the delta yap1 mutant described here indicates that one major role of YAP1 in the yeast cell is to mediate resistance to this metal.
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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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