The pathway of mRNA degradation has been extensively studied in the yeast, Saccharomyces cerevisiae, and it is now clear that many mRNAs decay by a deadenylation-dependent mechanism. Although several of the factors required for mRNA decay have been identified, the regulation and precise roles of many of the proteins involved remains unclear. We have developed an in vitro system that recapitulates both the deadenylation and the decapping steps of mRNA decay. Furthermore, both deadenylation and decapping are inhibited by poly(A) binding proteins in our assay. Our system has allowed us to separate the decay process from translation and we have shown that the poly(A) tail is capable of inhibiting decapping in an eIF4E-independent manner. Our in vitro system should prove invaluable in dissecting the mechanisms of mRNA turnover.
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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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