Article
Postreplication repair inhibits CAG.CTG repeat expansions in Saccharomyces cerevisiae.
Molecular and cellular biology - 1 Jan 2007
Daee Danielle L, Mertz Tony, Lahue Robert S
Abstract excerpt
Trinucleotide repeats (TNRs) are unique DNA microsatellites that can expand to cause human disease. Recently, Srs2 was identified as a protein that inhibits TNR expansions in Saccharomyces cerevisiae. Here, we demonstrate that Srs2 inhibits CAG . CTG expansions in conjunction with the error-free branch of postreplication repair (PRR). Like srs2 mutants, expansions are elevated in rad18 and rad5 mutants, as well...
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