Spartan/DVC1 is a translesion synthesis regulator with important roles in cellular DNA damage tolerance. Here, the authors report that Spartan is essential for DNA lesion bypass and that Spartan insufficiency in mice causes chromosomal instability, cellular senescence and early onset of age-related phenotypes.
- Reeja S. Maskey
- Myoung Shin Kim
- Yuichi J. Machida