Short communication: Activity of nisin, lipid bilayer fragments and cationic nisin-lipid nanoparticles against multidrug-resistant Staphylococcus spp. isolated from bovine mastitis

J Dairy Sci. 2019 Jan;102(1):678-683. doi: 10.3168/jds.2018-15171. Epub 2018 Nov 8.

Abstract

Staphylococci are the main etiological agents of bovine mastitis. Bacteriocins and nanoparticles have emerged as promising alternatives for the future development of antimicrobial agents. This study evaluated the activity of the bacteriocin nisin and bicelles of the synthetic cationic lipid dioctadecyldimethylammonium bromide, alone and in combination, against multidrug-resistant Staphylococcus spp. strains isolated from bovine mastitis. In summary, cationic nisin/dioctadecyldimethylammonium bromide nanoparticles are shown to be a promising alternative for the control of mastitis caused by multidrug-resistant Staphylococcus spp.

Keywords: antibacterial activity; bacteriocin; bicelle; cationic lipid.

MeSH terms

  • Animals
  • Anti-Bacterial Agents / pharmacology
  • Bacteriocins / pharmacology
  • Cations
  • Cattle
  • Drug Resistance, Multiple*
  • Female
  • Lipid Bilayers / pharmacology*
  • Mastitis, Bovine / microbiology*
  • Methicillin-Resistant Staphylococcus aureus
  • Nanoparticles / administration & dosage*
  • Nisin / pharmacology*
  • Quaternary Ammonium Compounds / pharmacology
  • Staphylococcus / drug effects*

Substances

  • Anti-Bacterial Agents
  • Bacteriocins
  • Cations
  • Lipid Bilayers
  • Quaternary Ammonium Compounds
  • Nisin
  • dimethyldioctadecylammonium