Sanazole/DNA repair/Hypoxic radiosensitization/DNA polymerases/Saccharomyces cerevisiae Yeast Saccharomyces cerevisiae can exist in two physiological states, namely anaerobic and aerobic. They differ in their response to gamma- radiation and radiomodification. We report hereon our results concerning radiosensitization by Sanazole (AK-2123), a well-known hypoxic radio sensitizer, whose mechanism of action has been studied extensively. The results have revealed that Sanazole (1 mM) when present during irradiation could specifically sensitize wild-type anaerobic yeast cells with a DMF of 2.4. In a radiation-sensitive mutant which lacks a DNA repair pathway specific for the recovery from gamma-radiation induced DNA damage, the extent of sensitization was considerably lower and the DMF was only 1.3. Studies on the liquid holding recovery of cells of both wild- type and rad52 yeast cells exposed to radiation in presence of Sanazole revealed that sensitization by Sanazole is due to a preferential increase in the DNA damage, and not by impairing DNA repair. This system thus holds promise for screening potential hypoxic chemical radiosensitizers.
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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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