We report the characterization of rdh54+, the second fission yeast Schizosaccharomyces pombe Rad54 homolog. rdh54+ shares sequence and functional homology to budding yeast RDH54/TID1. Rdh54p is present during meiosis with appropriate timing for a meiotic recombination factor. It interacts with Rhp51 and the meiotic Rhp51 homolog Dmc1 in yeast two-hybrid assays. Deletion of rdh54+ has no effect on DNA damage repair during the haploid vegetative cell cycle. In meiosis, however, rdh54Delta shows decreased spore viability and homologous recombination with a concomitant increase in sister chromatid exchange. The rdh54Delta single mutant repairs meiotic breaks with similar timing to wild type, suggesting redundancy of meiotic recombination factors. Consistent with this, the rdh54Delta rhp54Delta double mutant fails to repair meiotic double strand breaks. Live cell analysis shows that rdh54Delta rhp54Delta asci do not arrest, but undergo both meiotic divisions with near normal timing, suggesting that failure to repair double strand breaks in S. pombe meiosis does not result in checkpoint arrest.
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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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