Evidence for differentiated ionic and surface contact effects driving bacterial inactivation by way of genetically modified bacteria

Chem Commun (Camb). 2017 Aug 10;53(65):9093-9096. doi: 10.1039/c7cc05013e.

Abstract

New evidence is presented for the bacterial inactivation of E. coli presenting normal porins on sputtered Ag-Cu surfaces compared with similar E. coli porinless bacteria. Inactivation at a reduced rate was observed on the genetically modified porinless bacteria interacting via surface contact with metal/oxides without the intervention of metal-ions.

MeSH terms

  • Anti-Bacterial Agents / chemistry
  • Anti-Bacterial Agents / pharmacology*
  • Cations / chemistry
  • Cations / pharmacology
  • Copper / chemistry
  • Copper / pharmacology*
  • Escherichia coli / genetics
  • Escherichia coli / physiology
  • Escherichia coli Proteins / chemistry*
  • Escherichia coli Proteins / genetics
  • Kinetics
  • Microorganisms, Genetically-Modified / genetics
  • Oxides / chemistry
  • Oxides / pharmacology
  • Porins / chemistry*
  • Porins / genetics
  • Silver / chemistry
  • Silver / pharmacology*
  • Surface Properties

Substances

  • Anti-Bacterial Agents
  • Cations
  • Escherichia coli Proteins
  • Oxides
  • Porins
  • Silver
  • Copper