The nondisjunction of artificial yeast minichromosomes (2:0 segregation events) during mitosis is accompanied by the appearance of cells containing more than one copy of the minichromosome. A mathematical simulation of this process has demonstrated that under certain conditions, a nondisjunction of the minichromosomes may result in their accumulation in a considerable portion of the cell population. An increase in the copy number of artificial minichromosomes as a result of impaired segregation has been used to develop a new experimental procedure for directly selecting yeast mutants showing an impaired segregation of artificial minichromosomes during mitosis. Four new genes, AMC1, AMC2, AMC3, and AMC4, which control the segregation of artificial minichromosomes in mitosis, have been identified (AMC3 and AMC4 are mapped to chromosome IV and VII, respectively). Mutations in the genes AMC1-AMC4 also affect the mitotic transmission of natural chromosomes. We suggest that the genes AMC1, AMC2, AMC3, and AMC4 control the segregation of natural chromosomes in yeast.
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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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