Yeast alpha and a cells transcribe distinct sets of genes involved in mating behavior, alpha-specific genes and a-specific genes, respectively. The alpha 1 product of the alpha mating type locus (MAT alpha) has been the only known activator of either set of genes; it is required for synthesis of RNA from the alpha-specific genes, one of which is the major alpha-factor gene. By screening for mutants that are no longer able to express this gene, we have identified the STE12 gene product as another positive regulator of the alpha-factor gene. alpha ste12 cells are also defective in RNA production from the other known alpha-specific genes. Moreover, a ste12 cells fail to produce wild-type levels of RNA from the a-specific genes. The STE12 gene product is therefore an activator of two sets of genes involved in yeast cell type specialization.
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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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