Article
Sequence composition and context effects on the generation and repair of frameshift intermediates in mononucleotide runs in Saccharomyces cerevisiae.
Genetics - 1 Oct 2000
Harfe B D, Jinks-Robertson S
Abstract excerpt
DNA polymerase slippage occurs frequently in tracts of a tandemly repeated nucleotide, and such slippage events can be genetically detected as frameshift mutations. In long mononucleotide runs, most frameshift intermediates are repaired by the postreplicative mismatch repair (MMR) machinery, rather than by the exonucleolytic proofreading activity of DNA polymerase. Although mononucleotide runs are hotspots for...
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