Biophysical investigations elucidating the mechanisms of action of antimicrobial peptides and their synergism

A Marquette, B Bechinger - Biomolecules, 2018 - mdpi.com
Biophysical and structural investigations are presented with a focus on the membrane lipid
interactions of cationic linear antibiotic peptides such as magainin, PGLa, LL37, and melittin …

Effect of hydrophobic modifications in antimicrobial peptides

A Schmidtchen, M Pasupuleti, M Malmsten - Advances in colloid and …, 2014 - Elsevier
With increasing resistance development against conventional antibiotics, there is an urgent
need to identify novel approaches for infection treatment. Antimicrobial peptides may offer …

Two distinct amphipathic peptide antibiotics with systemic efficacy

J Lakshmaiah Narayana, B Mishra… - Proceedings of the …, 2020 - National Acad Sciences
Antimicrobial peptides are important candidates for develo** new classes of antibiotics
because of their potency against antibiotic-resistant pathogens. Current research focuses on …

The mechanisms of action of cationic antimicrobial peptides refined by novel concepts from biophysical investigations

C Aisenbrey, A Marquette, B Bechinger - Antimicrobial Peptides: Basics …, 2019 - Springer
Even 30 years after the discovery of magainins, biophysical and structural investigations on
how these peptides interact with membranes can still bear surprises and add new …

Antimicrobial peptide cWFW kills by combining lipid phase separation with autolysis

K Scheinpflug, M Wenzel, O Krylova, JE Bandow… - Scientific reports, 2017 - nature.com
The synthetic cyclic hexapeptide cWFW (cyclo (RRRWFW)) has a rapid bactericidal activity
against both Gram-positive and Gram-negative bacteria. Its detailed mode of action has …

Solid‐state NMR spectroscopy on complex biomolecules

M Renault, A Cukkemane… - Angewandte Chemie …, 2010 - Wiley Online Library
Biomolecular applications of NMR spectroscopy are often merely associated with soluble
molecules or magnetic resonance imaging. However, since the late 1970s, solid‐state NMR …

Biomembrane lipids: When physics and chemistry join to shape biological activity

F Ramos-Martín, N D'Amelio - Biochimie, 2022 - Elsevier
Biomembranes constitute the first lines of defense of cells. While small molecules can often
permeate cell walls in bacteria and plants, they are generally unable to penetrate the barrier …

The membrane interactions of antimicrobial peptides revealed by solid-state NMR spectroscopy

B Bechinger, ES Salnikov - Chemistry and physics of lipids, 2012 - Elsevier
Solid-state NMR spectroscopic techniques provide valuable information about the structure,
dynamics and topology of membrane-inserted polypeptides. In particular antimicrobial …

Probing the “charge cluster mechanism” in amphipathic helical cationic antimicrobial peptides

RF Epand, WL Maloy, A Ramamoorthy, RM Epand - Biochemistry, 2010 - ACS Publications
Clustering of anionic lipids away from zwitterionic ones by cationic antimicrobial agents has
recently been established as a mechanism of action of natural small, flexible peptides as …

Role of lipid composition, physicochemical interactions, and membrane mechanics in the molecular actions of microbial cyclic lipopeptides

D Balleza, A Alessandrini, MJ Beltrán García - The Journal of membrane …, 2019 - Springer
Several experimental and theoretical studies have extensively investigated the effects of a
large diversity of antimicrobial peptides (AMPs) on model lipid bilayers and living cells …