Journal of Molecular Evolution

, Volume 25, Issue 4, pp 371–373

Species specificity of bacterial palindromic units

  • Eric Gilson
  • David Perrin
  • William Saurin
  • Maurice Hofnung
Letter to the Editor

Summary

We described previously a family of dispersed palindromic sequences highly repeated inEscherichia coli andSalmonella typhimurium genomes. These sequences, called PU (palindromic units), are located outside structural genes. We report here observations suggesting that PU may have a role in bacterial speciation.

Key words

Repetitive DNA Speciation 

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Copyright information

© Springer-Verlag New York Inc. 1987

Authors and Affiliations

  • Eric Gilson
    • 1
  • David Perrin
    • 1
  • William Saurin
    • 1
  • Maurice Hofnung
    • 1
  1. 1.Unité de Programmation Moléculaire et Toxicologie Génétique, CNRS UA271, INSERM U163Institut PasteurParisFrance

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