To identify essential host genes affecting replication of Tomato bushy stunt virus (TBSV), a small model plant virus, we screened 800 yeast genes present in the yeast Tet promoters Hughes Collection. In total, we have identified 30 new host genes whose down-regulation either increased or decreased the accumulation of a TBSV replicon RNA. The identified essential yeast genes are involved in RNA transcription/metabolism, protein metabolism/transport, or other cellular processes. Detailed analysis of the effects of some of the identified yeast genes revealed that they might affect RNA replication by altering (i) the amounts/functions of p33 and p92(pol) viral replication proteins, (ii) the standard 10 to 20:1 ratio between p33 and p92(pol) in the viral replicase, (iii) the activity of the tombusvirus replicase, and (iv) the ratio of plus- versus minus-stranded RNA replication products. Altogether, this and previous genetic screening of yeast (Panavas et al., Proc. Natl. Acad. Sci. USA 102:7326-7331, 2005) led to the identification of 126 host genes (out of approximately 5,600 genes that represent approximately 95% of all the known and predicted yeast genes) that affected the accumulation of tombusvirus RNA.
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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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