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CwpFM (EntFM) is a Bacillus cereus potential cell wall peptidase implicated in adhesion, biofilm formation, and

Seav-Ly Tran1, Elisabeth Guillemet, Michel Gohar

  • 1INRA, Unité MICALIS UMR-1319, Equipe GME, La Minière, 78285 Guyancourt, France.

Journal of Bacteriology
|March 18, 2010
PubMed

Insights

Bacillus cereus EntFM, a cell wall peptidase, influences bacterial shape, motility, and virulence. Researchers propose renaming it CwpFM due to its peptidase function.

Area of Science:

  • Microbiology
  • Bacterial Pathogenesis
  • Enzymology

Background:

  • Bacillus cereus possesses various virulence factors.
  • The protein EntFM's function was previously poorly understood.
  • EntFM contains an NlpC/P60 domain, typically found in cell wall peptidases.

Purpose of the Study:

  • To elucidate the function of Bacillus cereus EntFM.
  • To characterize EntFM's role in bacterial physiology and pathogenesis.
  • To determine if EntFM is a cell wall peptidase.

Main Methods:

  • Bioinformatic analysis of the NlpC/P60 domain.
  • Phenotypic analysis of bacterial mutants.
  • Assessment of adhesion, biofilm formation, and macrophage interaction.

Main Results:

  • EntFM is implicated in bacterial shape, motility, and adhesion to epithelial cells.
  • The protein contributes to biofilm formation and macrophage vacuolization.
  • EntFM exhibits characteristics of a cell wall peptidase.

Conclusions:

  • Bacillus cereus EntFM is a cell wall peptidase.
  • The protein plays a significant role in bacterial virulence and physiology.
  • Renaming the protein to CwpFM is proposed to reflect its peptidase activity.

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