The bacterium Agrobacterium tumefaciens transforms eukaryotic hosts by transferring DNA to the recipient cell where it is integrated and expressed. Bacterial factors involved in this interkingdom gene transfer have been described, but less is known about host-cell factors. Using the yeast Saccharomyces cerevisiae as a model host, we devised a genetic screen to identify yeast mutants with altered transformation sensitivities. Twenty-four adenine auxotrophs were identified that exhibited supersensitivity to A. tumefaciens-mediated transformation when deprived of adenine. We extended these results to plants by showing that purine synthesis inhibitors cause supersensitivity to A. tumefaciens transformation in three plant species. The magnitude of this effect is large and does not depend on prior genetic manipulations of host cells. These data indicate the utility of yeast as a model for the transformation process and identify purine biosynthesis as a key determinant of transformation efficiency. These findings should increase the utility of A. tumefaciens in genetic engineering.
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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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