Reactive oxygen species (ROS) produced by mitochondria are potentially involved in the manifestation of methylmercury toxicity. However, the molecular mechanism underlying methylmercury toxicity remains poorly understood. We examined susceptibility to methylmercury in yeast strains that each lacked one of components of the mitochondrial electron transport system. Resistance to methylmercury was exhibited only by yeast that lacked Rip1, a component of electron transport system complex III. Resistance to methylmercury in Rip1-deficient yeast was independent of the activity of electron transport system complex III. Also, ROS levels induced by methylmercury in Rip1-deficient yeast were significantly lower than in wild-type yeast. Thus, Rip1 is potentially involved in ROS production through an as-yet unknown mechanism that is independent of the activity of electron transport system complex III, thereby enhancing methylmercury toxicity.
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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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