Mobile genetic elements have been identified in several eukaryotic organisms and some classes have been found to share common structural features with the proviral forms of animal retroviruses. The representatives of this class of mobile elements in the yeast Saccharomyces cerevisiae are called Ty elements, which could be a useful model system for studying the transposition of retrovirus-like elements. Here we have attempted to answer two questions often raised in discussions of the biological importance of transposition: what is the frequency of spontaneous Ty transposition, and are there certain chromosomal regions into which Ty elements preferentially integrate? We chose the LYS2 gene to investigate these questions because it allows direct selection of both mutants and revertants. We have found that 2% of spontaneous lys2 mutants are caused by Ty transposition with a preferential integration into the transcription initiation region.
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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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