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Synthesis, antibacterial, and antibiofilm potential of human autophagy 16 polypeptide and analogues

Abstract

This work demonstrates that the human autophagy 16 polypeptide (Atg16) has antibacterial and antibiofilm potential, perturbs both Gram positive and negative bacterial membranes and subsequently also produces ROS in compromised bacteria. Engineered Atg 16 analogues containing 1- and 2-naphthyl alanines showed significant enhancement of antibacterial activity and eradicated biofilms while also possessing negligible hemolysis of mouse erythrocytes. This new family of antibacterial peptides are promising candidates in the fight against bacterial biofilms, responsible for several thousand deaths annually which are predicted to rise into the millions.

Acceptance Date Apr 3, 2018
Publication Date May 14, 2018
Journal Peptide Science
Print ISSN 2475-8817
Publisher Wiley
Pages e24076
DOI https://doi.org/10.1002/pep2.24076
Keywords antimicrobial peptide, biofilm, membrane lysis, scanning electron microscopy, transmission electron microscopy
Publisher URL https://onlinelibrary.wiley.com/doi/full/10.1002/pep2.24076