Tor proteins, targets of the antiinflammatory drug rapamycin, mediate a conserved signaling pathway required for cell growth and proliferation in eukaryotes. By global transcriptional analysis of Saccharomyces cerevisiae, we have examined the role of the essential protein Tap42 in transcriptional regulation by Tor. We find that Tap42 inactivation, like rapamycin addition, prolongs activation of stress response genes. In contrast, Tap42 inactivation, as does inactivation of the protein phosphatases Sit4 and Pph21/22, blocks rapamycin induction of nitrogen discrimination pathway genes. Tap42 inactivation neither affects ribosomal protein gene expression nor blocks rapamycin-induced repression of these genes. These results indicate that Tap42 can both inhibit and activate protein phosphatases and provide insight into the complex events underlying TOR regulation of transcription.
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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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| Evidence ID | Analyze ID | File | Description |
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