A method is described for isolating cytoplasmic mutants of Saccharomyces cerevisiae with lesions in mitochondrial transfer ribonucleic acids (tRNA's). The mutants were selected for slow growth on glycerol and for restoration of wild-type growth by cytoplasmic "petite" testers that contain regions of mitochondrial deoxyribonucleic acid (DNA) with tRNA genes. The aminoacylated mitochondrial tRNA's of several presumptive tRNA mutants were analyzed by reverse-phase chromatography on RPC-5. Two mutant strains, G76-26 and G76-35, were determined to carry mutations in the cysteine and histidine tRNA genes, respectively. The cysteine tRNA mutant was used to isolate cytoplasmic petite mutants whose retained segments of mitochondrial DNA contain the cysteine tRNA gene. The segment of one such mutant (DS504) was sequenced and shown to have the cysteine, histidine, and threonine tRNA genes. The structures of the three mitochondrial tRNA's were deduced from the DNA sequence.
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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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