The sulfur-containing antibiotic thiolutin has been shown to be a potent, reversible inhibitor of the growth of Saccharomyces cerevisiae. Viability was unaffected over the concentration range of 4 to 100 mug/ml. At concentrations as low as 2 mug/ml, the drug inhibited ribonucleic acid (RNA) and protein synthesis in whole cells and spheroplasts. At these low concentrations, protein synthesis continued for a short period of time after RNA synthesis was completely stopped. With higher drug concentrations (greater than 20 mug/ml) protein synthesis was inhibited; concentrations of thiolutin up to 100 mug/ml did not affect translocation or peptide bond formation in cell-free protein-synthesizing systems from yeast. The effect of thiolutin on the activity of partially purified deoxyribonucleic acid-dependent RNA polymerases was examined, and the drug was found to be a potent inhibitor of RNA synthesis in vitro. Inhibition was greatest when the polymerase was preincubated with thiolutin. Several mechanisms are discussed to explain the multiple effects of thiolutin on S. cerevisiae. Since the action of the drug is easily reversed, thiolutin may prove to be of use in studies of various stages of yeast growth.
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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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