Control of bacteria adhesion by cell-wall engineering

J Am Chem Soc. 2004 Mar 31;126(12):3755-61. doi: 10.1021/ja039391i.

Abstract

UDP-MurNAc-pentapeptide derivative bacterial cell-wall precursors were synthesized as effective tools for surface display on living bacteria. Lactobacilli were incubated in the ketone-modified precursor-containing medium, and the ketone moiety was displayed on the bacterial surface through cell-wall biosynthesis. Oligomannose was coupled with the ketone moiety on the bacterial surface via a aminooxyl linker, thereby displaying this oligosaccharide on the surface of the bacteria. The increase in the adhesion of the sugar-displaying bacteria onto a concanavalin A-attached film compared to that of native bacteria was confirmed by microscopic observation and surface plasmon resonance measurement. The incorporation of the artificial cell-wall precursors was enhanced when incubated with fosfomycin, an inhibitor of cell-wall precursor biosynthesis.

Publication types

  • Research Support, Non-U.S. Gov't

MeSH terms

  • Anti-Bacterial Agents / pharmacology
  • Bacterial Adhesion*
  • Cell Wall / metabolism*
  • Concanavalin A / pharmacology
  • Fosfomycin / pharmacology
  • Lactobacillus / metabolism*
  • Molecular Structure
  • Oligosaccharides / biosynthesis*
  • Surface Plasmon Resonance
  • Uridine Diphosphate N-Acetylmuramic Acid / analogs & derivatives*
  • Uridine Diphosphate N-Acetylmuramic Acid / chemistry
  • Uridine Diphosphate N-Acetylmuramic Acid / metabolism*

Substances

  • Anti-Bacterial Agents
  • Oligosaccharides
  • Uridine Diphosphate N-Acetylmuramic Acid
  • Concanavalin A
  • UDP-N-acetylmuramic acid pentapeptide
  • Fosfomycin