Genome-wide studies in S. cerevisiae reveal that the transcriptome includes numerous antisense RNAs as well as intergenic transcripts regulated by the exosome component Rrp6. We observed that upon the loss of Rrp6 function, two PHO84 antisense transcripts are stabilized, and PHO84 gene transcription is repressed. Interestingly, the same phenotype is observed in wild-type cells during chronological aging. Epistasis and chromatin immunoprecipitation experiments indicate that the loss of Rrp6 function is paralleled by the recruitment of Hda1 histone deacetylase to PHO84 and neighboring genes. However, histone deacetylation is restricted to PHO84, suggesting that Hda1 activity depends on antisense RNA. Accordingly, the knockdown of antisense production prevents PHO84 gene repression, even in the absence of Rrp6. Together, our data indicate that the stabilization of antisense transcripts results in PHO84 gene repression via a mechanism distinct from transcription interference and that the modulation of Rrp6 function contributes to gene regulation by inducing RNA-dependent epigenetic modifications.
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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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