The role of cholesterol in M2 clustering and viral budding explained

D Kolokouris, IE Kalenderoglou… - Journal of Chemical …, 2024 - ACS Publications
The influenza A M2 homotetrameric channel consists of four transmembrane (TM) and four
amphipathic helices (AHs). This viral proton channel is suggested to form clusters in the …

Determining Cholesterol Binding to Membrane Proteins by Cholesterol 13C Labeling in Yeast and Dynamic Nuclear Polarization NMR

MR Elkins, IV Sergeyev, M Hong - Journal of the American …, 2018 - ACS Publications
We present a general strategy for determining the cholesterol-binding site of eukaryotic
membrane proteins in native-like lipid membranes by NMR spectroscopy. The strategy …

Entropic forces drive clustering and spatial localization of influenza A M2 during viral budding

JJ Madsen, JMA Grime… - Proceedings of the …, 2018 - National Acad Sciences
The influenza A matrix 2 (M2) transmembrane protein facilitates virion release from the
infected host cell. In particular, M2 plays a role in the induction of membrane curvature …

Lateral organization of influenza virus proteins in the budozone region of the plasma membrane

GP Leser, RA Lamb - Journal of virology, 2017 - Am Soc Microbiol
Influenza virus assembles and buds at the plasma membrane of virus-infected cells. The
viral proteins assemble at the same site on the plasma membrane for budding to occur. This …

Amphiphilic gold nanoparticles perturb phase separation in multidomain lipid membranes

E Canepa, S Salassi, AL de Marco, C Lambruschini… - Nanoscale, 2020 - pubs.rsc.org
Amphiphilic gold nanoparticles with diameters in the 2–4 nm range are promising as
theranostic agents thanks to their spontaneous translocation through cell membranes. This …

The impact of transmembrane peptides on lipid bilayer structure and mechanics: A study of the transmembrane domain of the influenza A virus M2 protein

YI Gamage, Y Wadumesthri, HR Gutiérrez… - … et Biophysica Acta (BBA …, 2024 - Elsevier
Transmembrane peptides play important roles in many biological processes by interacting
with lipid membranes. This study investigates how the transmembrane domain of the …

Comparing multifunctional viral and eukaryotic proteins for generating scission necks in membranes

H Alimohamadi, EWC Luo, S Gupta, J de Anda… - ACS …, 2024 - ACS Publications
Deterministic formation of membrane scission necks by protein machinery with multiplexed
functions is critical in biology. A microbial example is M2 viroporin, a proton pump from the …

The vaccinia chondroitin sulfate binding protein drives host membrane curvature to facilitate fusion

L Pokorny, JJ Burden, D Albrecht, R Bamford… - EMBO …, 2024 - embopress.org
Cellular attachment of viruses determines their cell tropism and species specificity. For entry,
vaccinia, the prototypic poxvirus, relies on four binding proteins and an eleven-protein entry …

Membrane disruption mechanism of a prion peptide (106–126) investigated by atomic force microscopy, Raman and electron paramagnetic resonance spectroscopy

J Pan, PK Sahoo, A Dalzini, Z Hayati… - The Journal of …, 2017 - ACS Publications
A fragment of the human prion protein spanning residues 106–126 (PrP106–126)
recapitulates many essential properties of the disease-causing protein such as …

Modulation of lipid membrane structural and mechanical properties by a peptidomimetic derived from reduced amide scaffold

NK Khadka, P Teng, J Cai, J Pan - Biochimica et Biophysica Acta (BBA) …, 2017 - Elsevier
Understanding how antimicrobial peptidomimetics interact with lipid membranes is important
in battling multidrug resistant bacterial pathogens. We study the effects of a recently reported …