Functional and structural characterization of PaeM, a colicin M-like bacteriocin produced by Pseudomonas aeruginosa

  • Hélène Barreteau
  • , Mounira Tiouajni
  • , Marc Graille
  • , Nathalie Josseaume
  • , Ahmed Bouhss
  • , Delphine Patin
  • , Didier Blanot
  • , Martine Fourgeaud
  • , Jean Luc Mainardi
  • , Michel Arthur
  • , Herman Van Tilbeurgh
  • , Dominique Mengin-Lecreulx
  • , Thierry Touzé

Research output: Contribution to journalArticlepeer-review

Abstract

Background: Pathogenic Pseudomonas aeruginosa strains produce a colicin M-like bacteriocin exhibiting peptidoglycan lipid II-degrading activity. Results: We have determined the crystal structure of the Pseudomonas aeruginosa PaeM bacteriocin and functionally characterized its C-terminal activity domain. Conclusion: This study highlights structural plasticity of the active site of this enzyme family. Significance: The PaeM pyocin could potentially be exploited as antibacterial agent.

Original languageEnglish
Pages (from-to)37395-37405
Number of pages11
JournalJournal of Biological Chemistry
Volume287
Issue number44
DOIs
Publication statusPublished - 26 Oct 2012

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