The yeast SMR1 gene was used as a dominant resistance-selectable marker for industrial yeast transformation and for targeting integration of an economically important gene at the homologous ILV2 locus. A MEL1 gene, which codes for alpha-galactosidase, was inserted into a dispensable upstream region of SMR1 in vitro; different treatments of the plasmid (pWX813) prior to transformation resulted in 3' end, 5' end and replacement integrations that exhibited distinct integrant structures. One-step replacement within a nonessential region of the host genome generated a stable integration of MEL1 devoid of bacterial plasmid DNA. Using this method, we have constructed several alpha-galactosidase positive industrial Saccharomyces strains. Our study provides a general method for stable gene transfer in most industrial Saccharomyces yeasts, including those used in the baking, brewing (ale and lager), distilling, wine and sake industries, with solely nucleotide sequences of interest. The absence of bacterial DNA in the integrant structure facilitates the commercial application of recombinant DNA technology in the food and beverage industry.
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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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