We have isolated a dominant suppressor of rna mutation (SRN1) that relieves the temperature-sensitive inhibition of mRNA synthesis of ribosomal protein genes in the yeast Saccharomyces cerevisiae. The suppressor was selected for its ability to alleviate simultaneously the temperature-sensitive growth phenotypes of rna2 and rna6. Several independently isolated suppressors appeared to be recessive lethal mutations. One suppressor, SRN1, was recovered as viable in haploid strains. SRN1 can suppress rna2, rna3, rna4, rna5, rna6, and rna8 singly or in pairs, although some combinations of rna mutations are less well suppressed than others. The suppressor allows strains with rna mutations to grow at 34 degrees C but is unable to suppress at 37 degrees C; however, SRN1 does not, by itself, prevent growth at 37 degrees C. In addition, SRN1 suppresses the rna1 mutation which affects general mRNA levels and also leads to the accumulation of precursor tRNA for those tRNAs that have intervening sequences. SRN1 can suppress the rna1 mutation as well as the rna1 rna2 double mutation at 34 degrees C. The suppressor does not affect the temperature-sensitive growth of two unrelated temperature-sensitive mutations, cdc4 and cdc7.
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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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