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S. Létoffé · SciRah

Researcher profile · Semantic Scholar

S. Létoffé

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S. Létoffé — researcher profile on SciRah

h-index: 32
Works: 54
Citations: 3,677

Most-cited papers

Protein secretion by Gram-negative bacterial ABC exporters--a review.
R. Binet, S. Létoffé, J. Ghigo, P. Delepelaire +1 more
1997Gene237 citations
Semantic Scholar
Protease secretion by Erwinia chrysanthemi: the specific secretion functions are analogous to those of Escherichia coli alpha‐haemolysin.
S. Létoffé, P. Delepelaire, C. Wandersman
1990EMBO Journal227 citations Open access
Semantic Scholar
Iron acquisition from heme and hemoglobin by a Serratia marcescens extracellular protein.
S. Létoffé, J. Ghigo, Cécile Wandersman
1994Proceedings of the National Academy of Sciences of the United States of America210 citations Open access
Semantic Scholar
A new type of hemophore-dependent heme acquisition system of Serratia marcescens reconstituted in Escherichia coli
J. Ghigo, S. Létoffé, Cécile Wandersman
1997Journal of Bacteriology183 citations Open access
Semantic Scholar
Isolation and characterization of an extracellular haem‐binding protein from Pseudomonas aeruginosa that shares function and sequence similarities with the Serratia marcescens HasA haemophore
S. Létoffé, V. Redeker, C. Wandersman
1998Molecular Microbiology171 citations Open access
Semantic Scholar
Heme acquisition by hemophores
S. Cescau, Hélène Cwerman, S. Létoffé, P. Delepelaire +2 more
2007Biometals168 citations
Semantic Scholar
Secretion of the Serratia marcescens HasA protein by an ABC transporter
S. Létoffé, J. Ghigo, C. Wandersman
1994Journal of Bacteriology156 citations Open access
Semantic Scholar
Bacteria capture iron from heme by keeping tetrapyrrol skeleton intact
S. Létoffé, G. Heuck, P. Delepelaire, N. Lange +1 more
2009Proceedings of the National Academy of Sciences of the United States of America152 citations Open access
Semantic Scholar
Protein secretion in gram‐negative bacteria: assembly of the three components of ABC protein‐mediated exporters is ordered and promoted by substrate binding.
S. Létoffé, P. Delepelaire, C. Wandersman
1996EMBO Journal152 citations Open access
Semantic Scholar
Biogenic ammonia modifies antibiotic resistance at a distance in physically separated bacteria
Steve P. Bernier, S. Létoffé, M. Delepierre, J. Ghigo
2011Molecular Microbiology143 citations Open access
Semantic Scholar
The housekeeping dipeptide permease is the Escherichia coli heme transporter and functions with two optional peptide binding proteins
S. Létoffé, P. Delepelaire, C. Wandersman
2006Proceedings of the National Academy of Sciences of the United States of America143 citations Open access
Semantic Scholar
pH-mediated potentiation of aminoglycosides kills bacterial persisters and eradicates in vivo biofilms.
D. Lebeaux, Ashwini Chauhan, S. Létoffé, Frédéric Fischer +3 more
2014Journal of Infectious Diseases130 citations Open access
Semantic Scholar
Aerial Exposure to the Bacterial Volatile Compound Trimethylamine Modifies Antibiotic Resistance of Physically Separated Bacteria by Raising Culture Medium pH
S. Létoffé, Bianca Audrain, Steve P. Bernier, M. Delepierre +1 more
2014mBio112 citations Open access
Semantic Scholar
Interactions of HasA, a bacterial haemophore, with haemoglobin and with its outer membrane receptor HasR
S. Létoffé, F. Nato, Michael E. Goldberg, C. Wandersman
1999Molecular Microbiology108 citations Open access
Semantic Scholar
Identification and Characterization of the Hemophore-Dependent Heme Acquisition System of Yersinia pestis
M. Rossi, J. Fetherston, S. Létoffé, É. Carniel +2 more
2001Infection and Immunity100 citations Open access
Semantic Scholar
Thermodynamics of heme binding to the HasA(SM) hemophore: effect of mutations at three key residues for heme uptake.
C. Deniau, R. Gilli, N. Izadi-Pruneyre, S. Létoffé +4 more
2003Biochemistry90 citations
Semantic Scholar
Involvement of lipopolysaccharide in the secretion of Escherichia coli α haemolysin and Erwinia chrysanthemi proteases
C. Wandersman, S. Létoffé
1993Molecular Microbiology89 citations
Semantic Scholar
Cloning and expression in Escherichia coli of the Serratia marcescens metalloprotease gene: secretion of the protease from E. coli in the presence of the Erwinia chrysanthemi protease secretion functions
S. Létoffé, P. Delepelaire, C. Wandersman
1991Journal of Bacteriology87 citations Open access
Semantic Scholar
Secretion of CyaA-PrtB and HlyA-PrtB fusion proteins in Escherichia coli: involvement of the glycine-rich repeat domain of Erwinia chrysanthemi protease B
S. Létoffé, C. Wandersman
1992Journal of Bacteriology78 citations Open access
Semantic Scholar
Haemophore‐mediated bacterial haem transport: evidence for a common or overlapping site for haem‐free and haem‐loaded haemophore on its specific outer membrane receptor
S. Létoffé, C. Deniau, N. Wolff, E. Dassa +3 more
2001Molecular Microbiology74 citations Open access
Semantic Scholar
Characterization of Erwinia chrysanthemi extracellular proteases: cloning and expression of the protease genes in Escherichia coli
C. Wandersman, P. Delepelaire, S. Létoffé, Maxime Schwartz
1987Journal of Bacteriology71 citations Open access
Semantic Scholar
Characterization of a protein inhibitor of extracellular proteases produced by Erwinia chrysanthemi
S. Létoffé, P. Delepelaire, C. Wandersman
1989Molecular Microbiology70 citations
Semantic Scholar
Free and Hemophore-Bound Heme Acquisitions through the Outer Membrane Receptor HasR Have Different Requirements for the TonB-ExbB-ExbD Complex
S. Létoffé, P. Delepelaire, C. Wandersman
2004Journal of Bacteriology68 citations Open access
Semantic Scholar
Similarity between the bacterial histone‐like protein HU and a protein from spinach chloroplasts
J. Briat, S. Létoffé, R. Mache, J. Rouvière-Yaniv
198464 citations
Semantic Scholar
Haemophore‐mediated signalling in Serratia marcescens: a new mode of regulation for an extra cytoplasmic function (ECF) sigma factor involved in haem acquisition
F. Biville, Hélène Cwerman, S. Létoffé, M. Rossi +3 more
2004Molecular Microbiology59 citations Open access
Semantic Scholar
Aerosolized beclomethasone in chronic bronchitis. Improved pulmonary function and diminished airway inflammation.
S. Létoffé, C. Deniau, N. Wolff, E. Dassa +3 more
199259 citations Open access
Semantic Scholar
Identification of two components of the Serratia marcescens metalloprotease transporter: protease SM secretion in Escherichia coli is TolC dependent
S. Létoffé, J. Ghigo, C. Wandersman
1993Journal of Bacteriology53 citations Open access
Semantic Scholar
Histidine pKa shifts and changes of tautomeric states induced by the binding of gallium‐protoporphyrin IX in the hemophore HasASM
N. Wolff, C. Deniau, S. Létoffé, C. Simenel +5 more
200247 citations Open access
Semantic Scholar
Ligand delivery by haem carrier proteins: the binding of Serratia marcescens haemophore to its outer membrane receptor is mediated by two distinct peptide regions
S. Létoffé, L. Debarbieux, Nadia Izadi, P. Delepelaire +1 more
2003Molecular Microbiology42 citations Open access
Semantic Scholar
Pseudomonas aeruginosa Production of Hydrogen Cyanide Leads to Airborne Control of Staphylococcus aureus Growth in Biofilm and In Vivo Lung Environments
S. Létoffé, Yong-Zheng Wu, S. Darch, C. Beloin +3 more
2022mBio36 citations Open access
Semantic Scholar
The crystal structure of the secreted dimeric form of the hemophore HasA reveals a domain swapping with an exchanged heme ligand.
M. Czjzek, S. Létoffé, C. Wandersman, M. Delepierre +2 more
2006Journal of Molecular Biology36 citations Open access
Semantic Scholar
Airborne Bacterial Interactions: Functions Out of Thin Air?
Bianca Audrain, S. Létoffé, J. Ghigo
2015Frontiers in Microbiology32 citations Open access
Semantic Scholar
Functional Characterization of the HasAPF Hemophore and Its Truncated and Chimeric Variants: Determination of a Region Involved in Binding to the Hemophore Receptor
S. Létoffé, K. Omori, C. Wandersman
2000Journal of Bacteriology29 citations Open access
Semantic Scholar
Functional Differences between Heme Permeases: Serratia marcescens HemTUV Permease Exhibits a Narrower Substrate Specificity (Restricted to Heme) Than the Escherichia coli DppABCDF Peptide-Heme Permease
S. Létoffé, P. Delepelaire, C. Wandersman
2008Journal of Bacteriology27 citations Open access
Semantic Scholar
Bacterial capsular polysaccharides with antibiofilm activity share common biophysical and electrokinetic properties
Joaquín Bernal-Bayard, J. Thiébaud, Marina Brossaud, A. Beaussart +11 more
2023Nature Communications25 citations Open access
Semantic Scholar
Bacterial crystalline cellulose secretion via a supramolecular BcsHD scaffold
W. Abidi, M. Decossas, Lucía Torres-Sánchez, Lucie Puygrenier +3 more
2022Science Advances24 citations Open access
Semantic Scholar
Activities of the Serratia marcescens Heme Receptor HasR and Isolated Plug and β-Barrel Domains: the β-Barrel Forms a Heme-Specific Channel
S. Létoffé, K. Wecker, M. Delepierre, P. Delepelaire +1 more
200523 citations Open access
Semantic Scholar
Biofilm microenvironment induces a widespread adaptive amino-acid fermentation pathway conferring strong fitness advantage in Escherichia coli
S. Létoffé, Sabina Chalabaev, J. Dugay, Franziska Stressmann +4 more
2017PLoS Genetics22 citations Open access
Semantic Scholar
Lifestyle-specific S-nitrosylation of protein cysteine thiols regulates Escherichia coli biofilm formation and resistance to oxidative stress
N. Barraud, S. Létoffé, C. Beloin, J. Vinh +2 more
2020bioRxiv20 citations Open access
Semantic Scholar
Characterization of Pseudomonas aeruginosa l,d-Transpeptidases and Evaluation of Their Role in Peptidoglycan Adaptation to Biofilm Growth
Inès Hugonneau-Beaufet, Jean-Philippe Barnier, S. Thiriet-Rupert, S. Létoffé +4 more
2023Microbiology spectrum15 citations Open access
Semantic Scholar
Histidine pK(a) shifts and changes of tautomeric states induced by the binding of gallium-protoporphyrin IX in the hemophore HasA(SM).
N. Wolff, C. Deniau, S. Létoffé, C. Simenel +5 more
2002Protein Science15 citations
Semantic Scholar
Activities of the Serratia marcescens heme receptor HasR and isolated plug and beta-barrel domains: the beta-barrel forms a heme-specific channel.
S. Létoffé, K. Wecker, M. Delepierre, P. Delepelaire +1 more
2005Journal of Bacteriology12 citations
Semantic Scholar
A signal peptide-independent protein secretion pathway
C. Wandersman, P. Delepelaire, S. Létoffé, J. Ghigo
1992Antonie van Leeuwenhoek7 citations
Semantic Scholar
Protease secretion by Erwinia chrysanthemi and Serratia marcescens
J. Ghigo, S. Létoffé, P. Delepelaire, C. Wandersman
19944 citations
Semantic Scholar
Complex Requirements for the TonB-ExbB-ExbD Receptor HasR Have Different Acquisitions through the Outer Membrane Free and Hemophore-Bound Heme
S. Létoffé, P. Delepelaire, C. Wandersman
20043 citations
Semantic Scholar
Exposure to Secreted Bacterial Factors Promotes HIV-1 Replication in CD4+ T Cells
M. Znaidia, Y. de Souza-Angelo, S. Létoffé, I. Staropoli +4 more
2023Microbiology spectrum2 citations Open access
Semantic Scholar
Bacterial capsular polysaccharides with antibiofilm activity share common biophysical and electrokinetic properties
Joaquín Bayard-Bernal, J. Thiébaud, Marina Brossaud, A. Beaussart +11 more
2022bioRxiv0 citations Open access
Semantic Scholar
Volatile hydrogen cyanide released by Pseudomonas aeruginosa provides a competitive advantage over Staphylococcus aureus in biofilm and in vivo lung environments
S. Létoffé, Yong-Zheng Wu, S. Darch, C. Beloin +3 more
2022bioRxiv0 citations Open access
Semantic Scholar
Lifestyle-specific S-nitrosylation of protein cysteine thiols regulates Escherichia coli biofilm formation and resistance to oxidative stress
N. Barraud, S. Létoffé, C. Beloin, J. Vinh +2 more
2021npj Biofilms and Microbiomes0 citations Open access
Semantic Scholar
1 pH-mediated potentiation of aminoglycosides kills bacterial 2 persisters and eradicates in vivo biofilms 3
D. Lebeaux, Ashwini Chauhan, S. Létoffé, Frédéric Fischer +3 more
20180 citations
Semantic Scholar

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