Calcium adsorption and displacement: characterization of lipid monolayers and their interaction with membrane-active peptides/proteins

SO Hagge, MU Hammer, A Wiese, U Seydel… - BMC biochemistry, 2006 - Springer
Background The first target of antimicrobial peptides (AMPs) is the bacterial membrane. In
the case of Gram-negative bacteria this is the outer membrane (OM), the lipid composition of …

Structural elucidation upon binding of antimicrobial peptides into binary mixed lipid monolayers mimicking bacterial membranes

D Ciumac, H Gong, RA Campbell, M Campana… - Journal of colloid and …, 2021 - Elsevier
Abstract Hypothesis Antimicrobial peptides (AMPs) kill microorganisms by causing structural
damage to bacterial membranes. Different microorganisms often require a different type and …

Implications of lipid monolayer charge characteristics on their selective interactions with a short antimicrobial peptide

D Ciumac, RA Campbell, H Xu, LA Clifton… - Colloids and Surfaces B …, 2017 - Elsevier
Many antimicrobial peptides (AMPs) target bacterial membranes and they kill bacteria by
causing structural disruptions. One of the fundamental issues however lies in the selective …

Lipid-mediated resistance of Gram-negative bacteria against various pore-forming antimicrobial peptides

T Gutsmann, SO Hagge, A David… - Journal of …, 2005 - journals.sagepub.com
Lipopolysaccharides (LPSs) play a dual role as target and as effector molecules. The
knowledge of the LPS-induced activation of human immune cells is increasing; however …

Calcium and zinc differentially affect the structure of lipid membranes

N Kučerka, E Dushanov, KT Kholmurodov… - Langmuir, 2017 - ACS Publications
Interactions of calcium (Ca2+) and zinc (Zn2+) cations with biomimetic membranes made of
dipalmitoylphosphatidylcholine (DPPC) were studied by small angle neutron diffraction …

Lipid-packing perturbation of model membranes by pH-responsive antimicrobial peptides

DS Alvares, TG Viegas, J Ruggiero Neto - Biophysical Reviews, 2017 - Springer
The indiscriminate use of conventional antibiotics is leading to an increase in the number of
resistant bacterial strains, motivating the search for new compounds to overcome this …

Characterisation of cell membrane interaction mechanisms of antimicrobial peptides by electrical bilayer recording

D Priyadarshini, J Ivica, F Separovic… - Biophysical …, 2022 - Elsevier
Many antimicrobial peptides (AMPs) are cationic host defence peptides (HDPs) that interact
with microbial membranes. This ability may lead to implementation of AMPs as therapeutics …

[PDF][PDF] Interaction between antimicrobial peptides (AMPs) and their primary target, the biomembranes

V Carnicelli, AR Lizzi, A Ponzi… - … and Strategies for …, 2013 - researchgate.net
Antimicrobial peptides (AMPs) are produced by almost all living organisms as a component
of their immune system representing the first line weapons against infective agents. During …

Membrane interaction of antimicrobial peptides using E. coli lipid extract as model bacterial cell membranes and SFG spectroscopy

L Soblosky, A Ramamoorthy, Z Chen - Chemistry and physics of lipids, 2015 - Elsevier
Supported lipid bilayers are used as a convenient model cell membrane system to study
biologically important molecule–lipid interactions in situ. However, the lipid bilayer models …

Action of antimicrobial peptides on bacterial and lipid membranes: a direct comparison

JE Faust, PY Yang, HW Huang - Biophysical Journal, 2017 - cell.com
The bacterial membrane represents an attractive target for the design of new antibiotics to
combat widespread bacterial resistance. Understanding how antimicrobial peptides (AMPs) …