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Hoffmann, R. A wiki for the life sciences where authorship matters. Nature Genetics (2008)

Transcription factors are required for the meiotic recombination hotspot at the HIS4 locus in Saccharomyces cerevisiae.

The full activity of a recombination initiation site located 5' of HIS4 requires the binding of the transcription factors RAP1, BAS1, and BAS2. Two RAP1 binding sites can substitute for the wild-type initiation site. A 51-bp region of telomeric DNA inserted upstream of either HIS4 or ARG4 very strongly stimulates recombination. We suggest that the ability of transcription factors to induce recombination is a consequence of an altered chromatin structure that favors the entry of proteins that initiate recombination, rather than an effect of these factors on transcription.[1]


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