Saccharomyces cerevisiae RNA polymerase II conditional mutants that selectively disrupt the synthesis of specific mRNAs were isolated. At the permissive temperature, several of the mutants were inositol auxotrophs as a result of inadequate induction of INO1 transcription. The transcriptional defects exhibited by one of these Ino- mutants (rpb2-2) were further investigated. The induction of GAL10 and HIS4 transcription in rpb2-2 strains was similar to that of wild-type strains, in contrast to the lack of induction of INO1 transcription. When shifted to the nonpermissive temperature, cells containing rpb2-2 continued to accumulate some mRNAs but not others. Together, these results indicate that transcription of specific genes can be disrupted by RNA polymerase II mutations. The rpb2-2 allele alters an amino acid residue that occurs in a highly conserved segment of the RPB2 protein and that is shared by homologous subunits in other species.
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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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