The allopolyploid yeast Saccharomyces carlsbergensis appears to be a relatively newly formed species hybrid, and therefore constitutes a good model for studying early steps in hybrid speciation. Using reverse transcription-coupled polymerase chain reaction to monitor derepression of the S. carlsbergensis homologues of the sulfur assimilation genes MET14 and MET2, we found that both homologues of these genes are regulated in the same pathway-specific manner, but surprisingly, with different kinetics, as the genes derived from one of the parent species (the non-Saccharomyces cerevisiae-like) are alleviated from repression much faster than the genes from the other parent (the S. cerevisiae-like). This probably reflects differing physiological adaptation of the parent species, and the finding may contribute to the general understanding of hybrid speciation.
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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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