We recently discovered the novel non-chromosomal determinant in Saccharomyces cerevisiae [NSI(+)] (nonsense suppression inducer), which causes omnipotent nonsense suppression in strains where the Sup35 N-terminal domain is deleted. [NSI(+)] possesses yeast prion features and does not correspond to previously identified yeast prion determinants. Here, we show that [NSI(+)] enhances nonsense codon read-through and inhibits vegetative growth in S. cerevisiae. Using a large-scale overexpression screen to identify genes that impact the phenotypic effects of [NSI(+)], we found that the SUP35 and SUP45 genes encoding the translation termination factors eRF3 and eRF1, respectively, modulate nonsense suppression in [NSI(+)] strains. The VTS1 gene encodes an NQ-enriched RNA-binding protein that enhances nonsense suppression in [NSI(+)] and [nsi(-)] strains. We demonstrate that VTS1 overexpression, like [NSI(+)] induction, causes translational read-through and growth defects in S. cerevisiae.
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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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