Using 19F NMR to Probe Biological Interactions of Proteins and Peptides

ENG Marsh, Y Suzuki - ACS chemical biology, 2014 - ACS Publications
Fluorine is a valuable probe for investigating the interactions of biological molecules
because of its favorable NMR characteristics, its small size, and its near total absence from …

Beyond NMR spectra of antimicrobial peptides: dynamical images at atomic resolution and functional insights

A Ramamoorthy - Solid state nuclear magnetic resonance, 2009 - Elsevier
There is a considerable current interest in understanding the function of antimicrobial
peptides for the development of potent novel antibiotic compounds with a very high …

Damage of the bacterial cell envelope by antimicrobial peptides gramicidin S and PGLa as revealed by transmission and scanning electron microscopy

M Hartmann, M Berditsch, J Hawecker… - Antimicrobial agents …, 2010 - Am Soc Microbiol
Scanning electron microscopy (SEM) and transmission electron microscopy (TEM) were
used to examine the ultrastructural changes in bacteria induced by antimicrobial peptides …

Molecular mechanism of synergy between the antimicrobial peptides PGLa and magainin 2

J Zerweck, E Strandberg, O Kukharenko, J Reichert… - Scientific reports, 2017 - nature.com
Abstract PGLa and magainin 2 (MAG2) are amphiphilic α-helical membranolytic peptides
from frog skin with known synergistic antimicrobial activity. By systematically mutating …

Membrane-active peptides and the clustering of anionic lipids

P Wadhwani, RF Epand, N Heidenreich, J Bürck… - Biophysical journal, 2012 - cell.com
There is some overlap in the biological activities of cell-penetrating peptides (CPPs) and
antimicrobial peptides (AMPs). We compared nine AMPs, seven CPPs, and a fusion peptide …

Alternative Pathways of Human Islet Amyloid Polypeptide Aggregation Distinguished by 19F Nuclear Magnetic Resonance-Detected Kinetics of Monomer …

Y Suzuki, JR Brender, K Hartman, A Ramamoorthy… - Biochemistry, 2012 - ACS Publications
Amyloid formation, a complex process involving many intermediate states, is proposed to be
the driving force for amyloid-related toxicity in common degenerative diseases …

[HTML][HTML] Lipid shape is a key factor for membrane interactions of amphipathic helical peptides

E Strandberg, D Tiltak, S Ehni, P Wadhwani… - … et Biophysica Acta (BBA …, 2012 - Elsevier
The membrane alignment of the amphiphilic α-helical model peptide MSI-103 (sequence
[KIAGKIA] 3-NH2) was examined by solid state 2H-NMR in different lipid systems by …

[HTML][HTML] How reliable are molecular dynamics simulations of membrane active antimicrobial peptides?

Y Wang, T Zhao, D Wei, E Strandberg, AS Ulrich… - … et Biophysica Acta (BBA …, 2014 - Elsevier
Membrane-active antimicrobial peptides (AMPs) are challenging to study experimentally, but
relatively easy to investigate using molecular dynamics (MD) computer simulations. For this …

Membrane thinning and thickening induced by membrane-active amphipathic peptides

SL Grage, S Afonin, S Kara, G Buth… - Frontiers in cell and …, 2016 - frontiersin.org
Membrane thinning has been discussed as a fundamental mechanism by which
antimicrobial peptides can perturb cellular membranes. To understand which factors play a …

Charged antimicrobial peptides can translocate across membranes without forming channel-like pores

JP Ulmschneider - Biophysical Journal, 2017 - cell.com
How can highly charged, cationic antimicrobial peptides (AMPs) translocate across
hydrophobic lipid bilayers despite the prohibitive energetic penalty to do so? A common …