Direct Reversal Repair

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Some DNA errors are created via a chemical reaction that has an equilibrium that can be modified by enzymes in plant. In Direct reversal repair, enzymes push the chemical reaction that generated an error in the other direction, thereby fixing the error. This is referred to as an 'error-free' mechanism since there is no new DNA synthesis involved, which could involve generating a new error.

  1. Photoreactivation Repair
  2. Direct DNA Repair by Alkyltransferases
  3. Direct DNA Repair by AlkB Family Dioxygenases