The majority of secreted acid phosphatase in Saccharomyces cerevisiae is encoded by the PH05 gene. The secretion level of this acid phosphatase is directly determined by its level of glycosylation. Consequently, PHO5-11-encoded acid phosphatase which lacks 11 of 12 glycosylation sites is only poorly secreted. We have isolated and characterized both UV- and EMS-induced variants, which are partly able to restore the secretion of acid phosphatase. Our data indicate that the improved secretion is caused by mitotic intrachromosomal recombination between the PHO5-11 allele and the homologous tandemly repeated PHO3 sequences, resulting in the restoration of glycosylation sites in PHO5-11. Two different recombination mechanisms, unequal sister-chromatid exchange and sister-chromatid gene conversion, are responsible for these alterations of the PHO5-11 locus. Thus, recombination between mutant and wild-type sequences are able to restore the ability of mutant yeast cells to secrete acid phosphatase.
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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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