It has recently been demonstrated that budding yeast telomeres are transcribed into TERRA, a long noncoding RNA. Due to the G-rich nature of the coding strand, TERRA has a tendency to form DNA-RNA hybrids and potentially R-loops, which in turn, promote repair at short telomeres. Here, we report two methods to detect DNA-RNA hybrids at yeast telomeres, namely, DRIP, which employs the S9.6 hybrid-recognizing antibody, and R-ChIP, which takes advantage of a catalytic dead form of RNase H1 (Rnh1-cd). We use cross-linked material for both protocols as we have found that this does not negatively affect recovered material, and furthermore allows the precipitation of other proteins from the identical cross-linked material. Although both methods are successful in terms of detecting DNA-RNA hybrids at telomeres, the R-ChIP method yields an approximately ten-fold increased enrichment.
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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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