The major tRNA genes in S. cerevisiae mitochondria are contained within a 20 kb segment of the mitochondrial DNA. In order to analyze the functional role of this region we have isolated several mitochondrial mutations, which are temperature-sensitive for growth on non-fermentable carbon sources. These mutations, localized in the major tRNA cluster region, can be classified in different groups according to their (a) genetic and physical localization, (b) spectrum of suppression and (c) biochemical characteristics. Some of these are mutations in tRNA genes which affect tRNA function; others alter the synthesis of the gene product. Finally, we found two mutations localized in, or in the vicinity of, the open reading frame RF2. RF2 has been postulated to be a maturase-like protein (Michel 1984) but no function for it has yet been demonstrated. The existence of defective mutants may confirm that RF2 is indeed necessary for mitochondrial biogenesis and so allow for a study of the expression of this gene.
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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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