A variety of cellular factors affect the movement of the retrovirus-like transposon Ty1. To identify genes involved in Ty1 virus-like particle (VLP) function, the level of the major capsid protein (Gag-p45) and its proteolytic precursor (Gag-p49p) was monitored in a subset of Ty1 cofactor mutants. Twenty-nine of 87 mutants contained alterations in the level of Gag; however, only bud22Delta showed a striking defect in Gag processing. BUD22 affected the +1 translational frameshifting event required to express the Pol proteins protease, integrase, and reverse transcriptase. Therefore, it is possible that the bud22Delta mutant may not produce enough functional Ty1 protease to completely process Gag-p49 to p45. Furthermore, BUD22 is required for 18S rRNA processing and 40S subunit biogenesis and influences polysome density. Together our results suggest that BUD22 is involved in a step in ribosome biogenesis that not only affects general translation, but also may alter the frameshifting efficiency of ribosomes, an event central to Ty1 retrotransposition.
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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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| Evidence ID | Analyze ID | File | Description |
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