The replication of DNA requires specialized and intricate machinery. This machinery is known as a replisome and is highly evolutionarily conserved, from simple unicellular organisms such as yeast to human cells. The replisome comprises multiple protein complexes responsible for various steps in the replication process. One crucial component of the replisome is the Cdc45-MCM-GINS (CMG) helicase complex, which unwinds double-stranded DNA and coordinates the assembly and function of other replisome components, including DNA polymerases. The genes encoding the CMG helicase components are essential for initiating DNA replication. In this study, we aimed to investigate how the absence of one copy of the CMG complex genes in heterozygous Saccharomyces cerevisiae cells impacts the cells' physiology and aging. Our data revealed that these cells exhibited a significant reduction in transcript levels for the respective CMG helicase complex proteins, as well as disruptions in the cell cycle, extended doubling times, and alterations in their biochemical profile. Notably, this study provided the first demonstration that cells heterozygous for genes encoding subunits of the CMG helicase exhibited a significantly increased reproductive potential and delayed chronological aging. Additionally, we observed a noteworthy correlation between RNA and polysaccharide levels in yeast and their reproductive potential, as well as a correlation between fatty acid levels and cell doubling times. Our findings also shed new light on the potential utility of yeast in investigating potential therapeutic targets for cancer treatment.
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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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