Among the mitochondrial conditional mutations localized in the gene coding for the 21S ribosomal RNA, one--ts 902--produces severely reduced amounts of 21S RNA and 50S subunit. We investigated its physiological properties and found that this thermosensitive mutation was associated with highly pleiotropic effects. The mutant phenotype is associated with cell death in certain conditions, and with a massive accumulation of rho- mutants at non-permissive temperature. Furthermore, interactions with the sites of action of erythromycin and chloramphenicol, both localized within the 21S rRNA, were detected. The mutant is hypersensitive to erythromycin and has a cis-incompatibility with the chloramphenicol-resistant mutation CR321. Ts 902 thus appears to have a dual effect, not only at the ribosomal level but also at a cellular level.
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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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