Whole-genome duplication, or tetraploidization, occurs in cells, tissues, or entire organisms. In human cancers, tetraploidization promotes aneuploidy and genomic instability, accelerating tumor progression, metastasis, and drug resistance. These adaptations demand metabolic rewiring, including mitochondrial plasticity. Here, we investigate the relationship between mitochondrial quantity/activity, including the mitochondrial transmembrane potential, the intracellular calcium, and the oxidative stress in diploid versus tetraploid cancer cells (colon, sarcoma, liver) and fungal and yeast models (C. albicans diploid/tetraploid strains; S. cerevisiae haploid/diploid/tetraploid strains). We demonstrate that tetraploid cells, whether from human carcinomas or yeast, exhibit consistently enlarged cell size, elevated mitochondrial content, and heightened metabolic activity compared to diploids. Our findings underscore mitochondrial adaptation as a hallmark of tetraploidization, offering novel therapeutic targets for chromosomally unstable tumors.
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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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| Evidence ID | Analyze ID | File | Description |
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