We have shown that expression of yeast mitochondrial (mt) rRNA genes (S. cerevisiae) is controlled in a cAMP-dependent manner via PKA, suggesting a trans-activation process involving phosphorylation-dependent protein-mt DNA interaction. We used filter-binding assays, mt protein extracts, and mt DNA from a rho-mutant strain retaining the 21S rRNA gene to demonstrate such an interaction. Competition assays with the cloned 21S-related mt DNA fragment undergoing interaction showed that a sequence in that fragment is present in mt DNA from a rho-strain retaining the 16S mt rRNA gene, but not in a VAR1-retaining rho-strain that lacks cAMP-mediated mt transcription. The sequence of the 21S-related mt DNA fragment undergoing protein interaction includes a GC cluster; that GC cluster sequence is also present near the 16S gene but not near VAR1. These and other data are consistent with a role for the GC cluster in cAMP-mediated expression of mt rRNA genes.
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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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