Break-induced replication (BIR) is a homologous recombination (HR) pathway that repairs one-ended DNA double-strand breaks (DSBs), which can result from replication fork collapse, telomere erosion, and other events. Eukaryotic BIR has been mainly investigated in yeast, where it is initiated by invasion of the broken DNA end into a homologous sequence, followed by extensive replication synthesis proceeding to the chromosome end. Multiple recent studies have described BIR in mammalian cells, the properties of which show many similarities to yeast BIR. While HR is considered as "error-free" mechanism, BIR is highly mutagenic and frequently leads to chromosomal rearrangements-genetic instabilities known to promote human disease. In addition, it is now recognized that BIR is highly stimulated by replication stress (RS), including RS constantly present in cancer cells, implicating BIR as a contributor to cancer genesis and progression. Here, we discuss the past and current findings related to the mechanism of BIR, the association of BIR with replication stress, and the destabilizing effects of BIR on the eukaryotic genome. Finally, we consider the potential for exploiting the BIR machinery to develop anti-cancer therapeutics.
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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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