During homologous recombination (HR)-mediated DNA double-strand break (DSB) repair in eukaryotes, an initial step is the creation of a 3'-single-stranded DNA (ssDNA) overhang via resection of a 5' end. Rad51 polymerizes on this ssDNA to search for a homologous sequence, and the gapped sequence is then repaired using an undamaged homologous DNA strand as template. Recent studies in eukaryotes indicate that resection of the DSB site is promoted by the cooperative action of RecQ helicase family proteins: Bloom helicase (BLM) in mammals or Sgs1 in yeast, and exonuclease 1 (Exo1). However, the role of RecQ helicase and exonuclease during the 5'-resection process of HR in plant cells has not yet been defined. Here, we demonstrate that overexpression of rice proteins OsRecQl4 (BLM counterpart) and/or OsExo1 (Exo1 homolog) can enhance DSB processing, as evaluated by recombination substrate reporter lines in rice. These results could be applied to construct an efficient gene targeting system in rice.
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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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