Standard Article

RNA Editing: Evolutionary Implications

  1. Michael W Gray

Published Online: 3 MAY 2005

DOI: 10.1038/npg.els.0003863



How to Cite

Gray, M. W. 2005. RNA Editing: Evolutionary Implications. eLS. .

Author Information

  1. Dalhousie University, Halifax, Nova Scotia, Canada

Publication History

  1. Published Online: 3 MAY 2005

This is not the most recent version of the article. View current version (13 JUN 2013)


The term ‘RNA editing’ describes a variety of mechanistically unrelated biochemical activities that alter RNA molecules after transcription by addition, deletion or substitution of nucleotides. A three-stage model, illustrated by specific examples, can explain in a general way how RNA-editing systems might arise and become fixed.


  • RNA editing;
  • evolution;
  • coevolution;
  • neutral drift;
  • selection