Abstract
Upon telomerase inactivation telomeres are getting shorter at each round of DNA replication and progressively lose capping functions and hence protection against homologous recombination. In addition, telomerase-minus cells undergo a round of stochastic DNA damage before the bulk of telomeres become critically short because telomeres are difficult regions to replicate. Although most of the cells will enter finally replicative senescence, those that unleash recombination can eventually recover functional telomeres and growth capacity. Formation of these survivors in yeast depends on various recombination mechanisms. Here, we present assays that we developed to analyze and quantify recombination at telomeres.
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