DNA-binding protein RAP1 stimulates meiotic recombination at the HIS4 locus in yeast.
basic_science · Level V
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- Record sourced from PubMed, PMID 1946399.
- Also identified by PMC identifier 52799.
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Abstract
In the yeast Saccharomyces cerevisiae, as in other eukaryotes, some regions of the genome have a much higher rate of meiotic recombination than others. We show below that the binding of the RAP1 protein to a site upstream of the HIS4 gene is necessary for a high rate of meiotic (but not mitotic) recombination at this locus. A mutation in the RAP1 binding site at HIS4 results in a decrease in recombination; overproduction of RAP1 causes an increase in recombination at HIS4 above wild-type levels.
Medical subject headings
- DNA, Fungal
- GTP-Binding Proteins
- Genes, Fungal
- Meiosis
- Recombination, Genetic
- Saccharomyces cerevisiae