Aggregation of cateslytin β-sheets on negatively charged lipids promotes rigid membrane domains. A new mode of action for antimicrobial peptides?

F Jean-François, S Castano, B Desbat, B Odaert… - Biochemistry, 2008 - ACS Publications
Cateslytin, a positively charged (5+) arginine-rich antimicrobial peptide (bCgA,
RSMRLSFRARGYGFR), was chemically synthesized and studied against membranes that mimic …

Machine learning–driven multiscale modeling reveals lipid-dependent dynamics of RAS signaling proteins

…, D Goswami, F Jean-Francois… - Proceedings of the …, 2022 - National Acad Sciences
RAS is a signaling protein associated with the cell membrane that is mutated in up to 30%
of human cancers. RAS signaling has been proposed to be regulated by dynamic …

[PDF][PDF] Pore formation induced by an antimicrobial peptide: electrostatic effects

F Jean-François, J Elezgaray, P Berson, P Vacher… - Biophysical journal, 2008 - cell.com
We investigate the mode of action of Cateslytin, an antimicrobial peptide, on zwitterionic
biomembranes by performing numerical simulations and electrophysiological measurements on …

[HTML][HTML] Quantitative biophysical analysis defines key components modulating recruitment of the GTPase KRAS to the plasma membrane

…, F McCormick, AG Stephen, FL Jean-Francois - Journal of Biological …, 2019 - ASBMB
The gene encoding the GTPase KRAS is frequently mutated in pancreatic, lung, and colorectal
cancers. The KRAS fraction in the plasma membrane (PM) correlates with activation of …

Membrane curvature sensing of the lipid-anchored K-Ras small GTPase

H Liang, H Mu, F Jean-Francois… - Life Science …, 2019 - life-science-alliance.org
Plasma membrane (PM) curvature defines cell shape and intracellular organelle morphologies
and is a fundamental cell property. Growth/proliferation is more stimulated in flatter cells …

Membrane interacting peptides: from killers to helpers

…, J Toupé, MA Sani, F Jean-François… - Current Protein and …, 2012 - ingentaconnect.com
Membrane interacting peptides are reviewed in terms of structure and mode of action on
lipid membranes. Helical, β-stranded, peptides containing both helices and strands, cyclic, …

Selectivity of cateslytin for fungi: the role of acidic lipid‐ergosterol membrane fluidity in antimicrobial action

F Jean-Francois, B Desbat, EJ Dufourc - The FASEB Journal, 2009 - Wiley Online Library
The specificity of the stress‐produced antimicrobial peptide cateslytin to fungi membranes
has been investigated using complex membrane models made of zwitterionic and negatively …

Binding of MgtR, a Salmonella transmembrane regulatory peptide, to MgtC, a Mycobacterium tuberculosis virulence factor: a structural study

FL Jean-Francois, J Dai, L Yu, A Myrick, E Rubin… - Journal of molecular …, 2014 - Elsevier
… Author links open overlay panel Frantz L. Jean-Francois 1 2 , Jian Dai 3 4 , Lu Yu 5 , Alissa
Myrick 6 , Eric Rubin 6 , Piotr G. Fajer 1 4 , Likai Song 1 , Huan-Xiang Zhou 3 4 , Timothy A. …

Variability in secondary structure of the antimicrobial peptide Cateslytin in powder, solution, DPC micelles and at the air–water interface

F Jean-François, L Khemtémourian, B Odaert… - European Biophysics …, 2007 - Springer
Cateslytin (bCGA 344 RSMRLSFRARGYGFR 358 ), a five positively charged 15 amino-acid
residues arginine-rich antimicrobial peptide, was synthesized using a very efficient …

Making FBDD work in Academia

SL Bulfer, FL JeanFrancois… - Fragment‐based Drug …, 2016 - Wiley Online Library
Fragment‐based drug discovery (FBDD) is widely practiced in the pharmaceutical industry,
and has also been increasingly adopted in academia. A FBDD approach takes advantage of …