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Lantibiotic production by pathogenic microorganisms.

Karen M Daly1, Paul D Cotter, Colin Hill

  • 1Department of Microbiology, University College Cork, College Road, Cork, Ireland.

Current Protein & Peptide Science
|June 20, 2012
PubMed
Summary
This summary is machine-generated.

Certain Gram-positive bacteria produce lantibiotics, which are antimicrobial peptides. Some pathogens, like Staphylococcus aureus, produce these compounds, potentially increasing their virulence.

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Area of Science:

  • Microbiology
  • Biochemistry
  • Pathogenesis

Background:

  • Lantibiotics are antimicrobial peptides produced by Gram-positive bacteria through ribosomal synthesis and post-translational modification.
  • Traditionally investigated for food preservation and therapeutic applications, lantibiotics are also produced by pathogenic bacteria.
  • The biosynthetic machinery of lantibiotics is utilized for peptide engineering.

Purpose of the Study:

  • To review the production of lantibiotics by Gram-positive pathogens.
  • To discuss the role of lantibiotic production in enhancing pathogen virulence and disease potential.

Main Methods:

  • Literature review of studies on lantibiotic production in pathogenic bacteria.
  • Analysis of proposed mechanisms by which lantibiotics contribute to virulence.

Main Results:

  • Several Gram-positive pathogens, including Staphylococcus aureus and Streptococcus pneumoniae, produce lantibiotics.
  • Lantibiotic production may confer a competitive advantage to pathogens during host colonization and infection.

Conclusions:

  • Lantibiotic production by pathogens is an emerging area of research with implications for understanding bacterial virulence.
  • Further investigation into pathogen-produced lantibiotics could reveal novel therapeutic targets.