Rapid GDP metabolism in mitochondria isolated from wild-type yeast is postulated. The hallmark of exogenous GDP is convergence with the effect of exogenous ADP, typically inducing oxidative phosphorylation (OXPHOS). The GDP-provoked changes in the presence of ATP, i.e. increased respiratory rate accompanied by decreased inner mitochondrial membrane electrical potential, were curtailed by OXPHOS inhibitors, such as carboxyatractyloside, which apparently merged the GDP effect with OXPHOS. However, all performed tests indicated that the response of mitochondria to GDP is indirect and involves two steps. First, GDP is transphosphorylated via nucleoside diphosphate kinase (NDPK), ATP + GDP → ADP + GTP, which is followed by ADP-induced OXPHOS. Importantly, in mitochondria isolated from mutant yeast with a deleted NDPK gene, the stimulatory effect of GDP was eliminated. Therefore, a prerequisite for GDP metabolic action is the cooperation of NDPK with the OXPHOS apparatus. This biological model can help elucidate the molecular basis of some diseases treatment, such as cancer.
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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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