RNA affinity tags (aptamers) have emerged as useful tools for the isolation of RNAs and ribonucleoprotein complexes from cell extracts. The streptavidin binding RNA aptamer binds with high affinity and is quickly and cleanly eluted with biotin under mild conditions that retain intact complexes. We describe the use of the streptavidin binding aptamer as a tool for purification and discuss strategies towards the design and production of tagged RNAs with a focus on structured target RNAs. The aptamer site can be further exploited as a unique region for the hybridization of oligonucleotide probes and localization by fluorescent in situ hybridization (FISH). The aptamer insertion will allow the localization of a population of RNA species (such as mutants) to be viewed specifically, while in the presence of the wild type RNA. We describe the production of labeled oligonucleotide probes and the preparation of yeast cells for the localization of RNAs by FISH.
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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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