Deficient mismatch repair improves organismal fitness and survival of mice with dysfunctional telomeres.


Mismatch repair (MMR) has important roles in meiotic and mitotic recombination, DNA damage signaling, and various aspects of DNA metabolism including class-switch recombination, somatic hypermutation, and triplet-repeat expansion. Defects in MMR are responsible for human cancers characterized by microsatellite instability. Intriguingly, MMR deficiency has… (More)


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