Alterations of RNA sequences and structures, such as those from editing and alternative splicing, result in two or more RNA transcripts from a DNA template. It was thought that in yeast, RNA editing only occurs in tRNAs. Here, we found that Saccharomyces cerevisiae have all 12 types of RNA-DNA sequence differences (RDDs) in the mRNA. We showed these sequence differences are propagated to proteins, as we identified peptides encoded by the RNA sequences in addition to those by the DNA sequences at RDD sites. RDDs are significantly enriched at regions with R-loops. A screen of yeast mutants showed that RDD formation is affected by mutations in genes regulating R-loops. Loss-of-function mutations in ribonuclease H, senataxin, and topoisomerase I that resolve RNA-DNA hybrids lead to increases in RDD frequency. Our results demonstrate that RDD is a conserved process that diversifies transcriptomes and proteomes and provide a mechanistic link between R-loops and RDDs.
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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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