Article
Reduced Rif2 and lack of Mec1 target short telomeres for elongation rather than double-strand break repair.
Nature structural & molecular biology - 1 Dec 2010
McGee Jean S, Phillips Jane A, Chan Angela, Sabourin Michelle, Paeschke Katrin, Zakian Virginia A
Abstract excerpt
Telomerase in Saccharomyces cerevisiae binds and preferentially elongates short telomeres, and this process requires the checkpoint kinase Tel1. Here we show that the Mre11 complex bound preferentially to short telomeres, which could explain the preferential binding of Tel1 to these ends. Compared to wild-type length telomeres, short telomeres generated by incomplete replication had low levels of the telomerase...
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