The genetic activity of the antimicrobial food additives AF-2 and H-193 has been investigated in Saccharomyces cerevisiae. The strains chosen for the present studies were D5 for the induction of mitotic recombinational events and XV185-14C for the induction of reversion of the mutants lys1-1, his1-7 and homs3-7. When three concentrations (25, 50 and 100 mug/ml) of AF-2 were used in the reversion system of strain XV185-14C, there was an increase in the frequency of hom+ and his+ revertants as a function of incubation time, while the lysine mutant exhibited a very low frequency of induced reversion. When AF-2 and H-193 were compared at the same concentration and exposure time, AF-2 exhibited a higher genetic activity in both systems than H-193. However, H-193 was genetically more active in inducing revertants than AF-2, when the comparison was made at the same survival level. Cells of both haploid and diploid strains were found to be more sensitive to inactivation by AF-2 than by H-193 It should be pointed out that the solubility of H-193 was lower (about 4 mug/ml saturation) than the solubility of AF-2 (120 mug/ml saturation). The haploid strain was more sensitive to both compounds than the diploid strain.
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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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