Respiratory oscillation occurred during aerobic continuous culture of Saccharomyces cerevisiae. During oscillation, phase-related changes in NAD(P)H and GSH levels occur. Perturbation of oscillation and inhibition of respiration occurred when GSH or GSSG was injected; however, there was a phase delay in perturbation in the case of an injection during high respiration. The perturbation phase delay was not apparent when a combination of DL-buthionine-(S,R)-sulphoximine, GSH and 5-nitro-2-furaldehyde was injected. Perturbation by GSH injection caused the intracellular GSH concentration to increase, the GSSG concentration to decrease and the cessation of ethanol uptake. NAD(P)H during perturbation was inversely related to dissolved oxygen. Perturbation by calcium pantothenate and pyridoxal-HCl caused a period of enhanced respiration before oscillation returned. These results suggest that the NAD+/NADH redox is not directly involved in oscillation control and regulation involves glutathione metabolism. Possible regulation points include alcohol dehydrogenase inhibition and/or respiratory-chain inhibition.
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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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