Tight connections exist between transcription and subsequent processing of mRNA precursors, and interactions between the transcription and polyadenylation machineries seem especially extensive. Using a yeast two-hybrid screen to identify factors that interact with the polyadenylation factor CstF-64, we uncovered an interaction with the transcriptional coactivator PC4. Both human proteins have yeast homologs, Rna15p and Sub1p, respectively, and we show that these two proteins also interact. Given evidence that certain polyadenylation factors, including Rna15p, are necessary for termination in yeast, we show that deletion or overexpression of SUB1 suppresses or enhances, respectively, both growth and termination defects detected in an rna15 mutant strain. Our findings provide an additional, unexpected connection between transcription and polyadenylation and suggest that PC4/Sub1p, via its interaction with CstF-64/Rna15p, possesses an evolutionarily conserved antitermination activity.
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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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