We demonstrate that in S. cerevisiae the rate of ongoing S phase is slowed when the DNA is subjected to alkylation. Slowing of replication is dependent on the MEC1 and RAD53 genes, indicating that lesions alone do not slow replication in vivo and that the slowing is an active process. While it has been shown that a MEC1- and RAD53-dependent checkpoint responds to blocked replication or DNA damage by inhibiting the onset of mitosis, we demonstrate that this checkpoint must also have an additional target within S phase that controls replication rate. MEC1 is a homolog of the human ATM gene, which is mutated in ataxia telangiectasia (AT) patients. Like mec1 yeast, AT cells are characterized by damage-resistant DNA synthesis, highlighting the congruence of the yeast and mammalian systems.
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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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