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Mismatch repair

DNA Replication, Recombination, and Repair: Molecular Mechanisms and Pathology, Page: 305-339
2016
  • 4
    Citations
  • 0
    Usage
  • 69
    Captures
  • 0
    Mentions
  • 0
    Social Media
Metric Options:   Counts1 Year3 Year

Metrics Details

  • Citations
    4
    • Citation Indexes
      4
  • Captures
    69

Book Chapter Description

The concept of mismatch repair (MMR) was formulated independently in 1964 to explain the removal of brominated nucleotides from DNA as well as gene conversion during genetic recombination. In the intervening 40 years, the field has developed incrementally, punctuated by a number of transformative genetic and biochemical studies. Two core MMR genes, MutS and MutL, have been conserved throughout life on earth. Defects in human MutS homologues (MSH) and MutL homologues (MLH/PMS) cause the common cancer predisposition Lynch syndrom or hereditary nonpolyposis colorectal cancer (LS/HNPCC). Work on the mechanism of MMR has been significantly aided by completely defined biochemical systems in vitro as well as several crystal snapshots that depict critical intermediates. It has been mired by unseemly biochemical conditions and misinterpretation. The contemporary use of real-time single molecule imaging has the potential to finally and fully resolve the mechanics of MMR. This review describes genetic, biochemical, and biophysical studies that contributed to the development of models for MMR.

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