DNA mismatch repair: Dr. Jekyll and Mr. Hyde?

Peggy Hsieh1

  • 1Genetics and Biochemistry Branch, National Institute of Diabetes and Digestive and Kidney Diseases, National Institutes of Health. peggyh@niddk.nih.gov

Molecular Cell
|September 18, 2012
PubMed
Summary

A new DNA repair pathway, noncanonical DNA mismatch repair, uses an error-prone polymerase (Pol-η) in nonlymphoid cells. This process resynthesizes DNA opposite damage, potentially leading to somatic mutations.