The evolutionarily conserved Mre11-Rad50-Xrs2 (MRX) complex cooperates with the Sae2 protein in initiating resection of DNA double-strand breaks (DSBs) and in maintaining the DSB ends tethered to each other for their accurate repair. How these MRX-Sae2 functions contribute to DNA damage resistance is not understood. By taking advantage of mre11 alleles that suppress the hypersensitivity of sae2∆ cells to genotoxic agents, we have recently found that Mre11 can be divided in two structurally distinct domains that support resistance to genotoxic agents by mediating different processes. While the Mre11 N-terminal domain impacts on the resection activity of long-range resection nucleases by mediating MRX and Tel1/ATM association to DNA DSBs, the C-terminus influences the MRX-tethering activity by its virtue to interact with Rad50. Given the evolutionary conservation of the MRX complex, our results have implications for understanding the consequences of its dysfunctions in human diseases.
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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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