Pyruvate dehydrogenase mutants of Saccharomyces cerevisiae were isolated by disruption of the PDA1 gene. To this end, the PDA1 gene encoding the E1 alpha subunit of the pyruvate dehydrogenase complex was replaced by the dominant Tn5ble marker. Disruption of the PDA1 gene abolished production of the E1 alpha subunit and pyruvate dehydrogenase activity. Two additional phenotypes were observed in the Pdh-mutants: (a) a reduced growth rate in glucose medium which was partially complemented by the amino acid leucine; (b) an increase in formation of petites which lack mitochondrial DNA [rho0], during growth on glucose. Both phenotypes were shown to be a result of inactivation of the PDA1 gene. Explanations for these phenotypes are discussed.
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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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