We developed the alkane and fatty-acid utilizing yeast Candida tropicalis as a host for DNA transformations. The system is based on an auxotrophic mutant host of C. tropicalis which is defective in orotidine monophosphate decarboxylase (ura3). The ura3 host was isolated by mutagenesis and a double-selection procedure that combined nystatin enrichment selection and 5-fluoro-orotic acid resistance selection. As a selectable marker, we isolated and characterized the C. tropicalis URA3 gene. Plasmid vectors that contained the C. tropicalis URA3 gene transformed the C. tropicalis mutant host at a frequency of 10(3) to 10(4) transformants per micrograms of plasmid DNA. Vectors that contained the Saccharomyces cerevisiae URA3 gene could not transform C. tropicalis. DNA transfer was accomplished by modified versions of either spheroplast generation (CaCl2-polyethylene glycol)-fusion or cation (LiCl) procedures developed for S. cerevisiae. Plasmid vectors that had been cut within the C. tropicalis URA3 fragment integrated by homologous recombination at the URA3 locus.
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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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Increase the total number of rows showing on this page by using the pull-down located below the table, or use the page scroll at the table's top right to browse through the table's pages; use the arrows to the right of a column header to sort by that column; filter the table using the "Filter" box at the top of the table; click on the small "i" buttons located within a cell for an annotation to view further details about experiment type and any other genes involved in the interaction.
| 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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