The genetic differences and changes in genomic stability may affect fermentation processes involving baker's, brewer's and wine yeast strains. Thus, it seems worthwhile to monitor the changes in genomic DNA copy number of industrial strains. In the present study, we developed an in situ comparative genomic hybridization (CGH) to investigate the ploidy and genetic differences between selected industrial yeast strains. The CGH-based system was validated using the laboratory Saccharomyces cerevisiae yeast strains (haploid BY4741 and diploid BY4743). DNA isolated from BY4743 cells was considered a reference DNA. The ploidy and DNA gains and losses of baker's, brewer's and wine strains were revealed. Taken together, the in situ CGH was shown a helpful molecular tool to identify genomic differences between yeast industrial strains. Moreover, the in situ CGH-based system may be used at the single-cell level of analysis to supplement array-based techniques and high-throughput analyses at the population scale.
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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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