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172 results on '"Monteil, Henri"'

1. Louis Pasteur bactériologiste : de l’atténuation de la virulence à la vaccination

Author

Monteil, Henri

Subjects
Louis Pasteur, Streptocoques, Choléra des poules, Maladie du charbon, Rouget du porc, Vaccination, Biochemistry, QD415-436, Physical and theoretical chemistry, QD450-801, Mathematics, QA1-939
Abstract

Among Louis Pasteur’s many contributions to science, the study of infectious diseases affecting animals and humans was a starting point for our knowledge of their origins, prophylaxis and prevention. Streptococcus, hen cholera, anthrax, and swine erysipelas were the first bacteriological approaches that led to the formulation of the principles of protection against these diseases. The concept of vaccination was to emerge from this and prove successful, continuing to the present day.

Published
2022
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7. Variable expressions of Staphylococcus aureus bicomponent leucotoxins semiquantified by competitive reverse transcription-PCR

Author

Bronner, Stephane, Stoessel, Patricia, Gravet, Alain, Monteil, Henri, and Prevost, Gilles

Subjects
Staphylococcus aureus -- Genetic aspects, Bacterial toxins -- Physiological aspects, Reverse transcriptase -- Analysis, Genetic transcription -- Regulation, Biological sciences
Abstract

Research describes a competitive reverse transcription-PCR method to compare and analyze expression of the leucotoxins and their control by the by global accessory gene regulators agr and staphylococcal accessory regulator sar systems. Data show that the agr, sar, and agr sar mutants depended on the global regulators for leucotoxin expression.

Published
2000

8. Contributors

Author

Acharya, K. Ravi, primary, Acquadro, Martin A., additional, Aktories, Klaus, additional, Alouf, Joseph E., additional, Arnold, Ralf, additional, Babon, Aurélie, additional, Backert, Steffen, additional, Baker, Matthew D., additional, Barbieri, Joseph T., additional, Basak, Ajit K., additional, Bast, Darrin J., additional, Billington, Stephen J., additional, Bohnert, Stephanie, additional, Boquet, Patrice, additional, Borodic, Gary E., additional, Braun, Volkmar, additional, Bryant, Amy E., additional, Carniol, Karen, additional, Carnoy, Christophe, additional, Chenal, Alexandre, additional, Cole, Ambrose, additional, Colin, Didier A., additional, Collier, John, additional, Cover, Timothy L., additional, Dalla Serra, Mauro, additional, de Azavedo, Joyce C.S., additional, Deinhardt, Kartrin, additional, Dobrindt, Ulrich, additional, D'Souza, Jocelyne M., additional, Dubreuil, Daniel, additional, Feil, Susanne C., additional, Flateau, Gilles, additional, Fournier, Bénédicte, additional, Franco, Augusto A., additional, Frank, Dara W., additional, Fraser, John D., additional, Frey, Joachim, additional, Frisan, Teresa, additional, Galmiche, Antoine, additional, Gauthier, Michel, additional, Giddings, Kara S., additional, Gillet, Daniel, additional, Gilmore, Michael S., additional, Goebel, Werner, additional, Granum, Per Einar, additional, Gurcel, Laure, additional, Hacker, Jörg, additional, Hertle, Ralf, additional, Hirst, Timothy R., additional, Ho, Mangfei, additional, Holmes, Randall K., additional, Holmgren, Jan, additional, Horiguchi, Yasuhiko, additional, Iacovache, Ioan, additional, Imanishi, Ken-ichi, additional, Johannes, Ludger, additional, Johnson, Arthur E., additional, Johnson, Eric A., additional, Jost, B. Helen, additional, Just, Ingo, additional, Kato, Hidehito, additional, König, Wolfgang, additional, König, Brigitte, additional, Lacharme, Lizeth, additional, Ladhani, Shamez N., additional, Lamaze, Christophe, additional, Lemaitre, Nadine, additional, Lemichez, Emmanuel, additional, Leppla, Stephen, additional, Lereclus, Didier, additional, Liu, George, additional, Locht, Camille, additional, Ludwig, Albrecht, additional, Mahillon, Jacques, additional, Maresso, Anthony W., additional, Masignani, Vega, additional, Masin, Jiri, additional, McClain, Mark, additional, McClane, Bruce, additional, Mekada, Eisuke, additional, Melton, Jody, additional, Menestrina, Gianfranco†, additional, Ménez, André, additional, Michelet, Nathalie, additional, Mitchell, Tim J., additional, Miyoshi, Shin-ichi, additional, Miyoshi-Akiyama, Tohru, additional, Molgo, Jordi, additional, Monteil, Henri, additional, Mourey, Lionel, additional, Müller-Alouf, Heide, additional, Nizet, Victor, additional, Ölschläger, Tobias, additional, Olsnes, Sjur, additional, Oram, Diana Marra, additional, Parker, Michael W., additional, Perier, Aurélie, additional, Pizza, Mariagrazia, additional, Polekhina, Galina, additional, Popoff, Michel R., additional, Poulain, Bernard, additional, Prévost, Gilles, additional, Proft, Thomas, additional, Rappuoli, Rino, additional, Rood, Julian I., additional, Rossjohn, Jamie, additional, Rupnik, Maha, additional, Salim, Kowthar Y., additional, Salinas, Sara, additional, Sandkvist, Maria, additional, Sandvig, Kirsten, additional, Schiavo, Giampetro, additional, Scortti, Mariela, additional, Scott, Maria E., additional, Sears, Cynthia L., additional, Sebo, Peter, additional, Shinoda, Sumio, additional, Simonet, Michel, additional, Smith, Leonard A., additional, Stachowiak, Radek, additional, Stevens, Dennis L., additional, Stiles, Bradley G., additional, Svennerholm, Ann-Mari, additional, Tang, Julian, additional, Thelestam, Monica, additional, Titball, Richard W., additional, Tweten, Rodney K., additional, Uchiyama, Takehiko, additional, van der Goot, F. Gisou, additional, Vásquez-Boland, José A., additional, Wesche, Jørgen, additional, Wilson, Brenda Anne, additional, and Wu, Shaoguang, additional

Published
2006
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26. Distinction between pore assembly by staphylococcal α-toxin versus leukotoxins

Author

Joubert, Olivier, Voegelin, Joelle, Guillet, Valerie, Tranier, Samuel, Werner, Sandra, Colin, Didier A., Serra, Mauro Dalla, Keller, Daniel, Monteil, Henri, Mourey, Lionel, and Prevost, Gilles

Subjects
Chemical properties, Research, Bacterial toxins -- Chemical properties -- Research, Microbial biotechnology -- Research -- Chemical properties, Biotechnological microorganisms -- Research -- Chemical properties
Abstract

The staphylococcal bipartite leukotoxins and the homoheptameric α-toxin belong to the same family of β-barrel pore-forming toxins despite slight differences. In the α-toxin pore, the N-terminal extremity of each protomer [...]

Published
2007

28. Homologous versus heterologous interactions in the bicomponent staphylococcal γ-haemolysin pore1

Author

Joubert, Olivier, Viero, Gabriella, Cunaccia, Romina, Prévost, Gilles, Werner, Sandra, Monteil, Henri, Keller, Daniel, Menestrina, Gianfranco, Dalla Serra, Mauro, Dalla serra, Mauro, Institut Jean Lamour (IJL), and Institut de Chimie du CNRS (INC)-Université de Lorraine (UL)-Centre National de la Recherche Scientifique (CNRS)

Subjects
Models, Molecular, Cell Membrane Permeability, Erythrocytes, MESH: Fluorescence Resonance Energy Transfer, Protein Conformation, [SDV]Life Sciences [q-bio], MESH: Rabbits, Biochemistry, Cell membrane, Hemolysin Proteins, Protein structure, MESH: Protein Conformation, Fluorescence Resonance Energy Transfer, MESH: Staphylococcus aureus, MESH: Animals, MESH: Cell Membrane Permeability, MESH: Bacterial Proteins, 0303 health sciences, Pore-forming toxin, Crystallography, Chemistry, MESH: Crystallography, MESH: Erythrocytes, 030302 biochemistry & molecular biology, MESH: Amino Acid Substitution, MESH: Hemolysis, Transmembrane protein, Membrane, medicine.anatomical_structure, MESH: Hemolysin Proteins, Rabbits, MESH: Models, Molecular, Research Article, Staphylococcus aureus, MESH: Mutation, Bacterial Toxins, Heterologous, Hemolysis, Protein–protein interaction, 03 medical and health sciences, Bacterial Proteins, medicine, Animals, Molecular Biology, 030304 developmental biology, Cell Membrane, Cell Biology, Förster resonance energy transfer, Amino Acid Substitution, MESH: Bacterial Toxins, Mutation, Biophysics, MESH: Cell Membrane
Abstract

International audience; Staphylococcal γ-haemolysin HlgA–HlgB forms a β-barrel transmembrane pore in cells and in model membranes. The pore is formed by the oligomerization of two different proteins and a still debated number of monomers. To clarify the topology of the pore, we have mutated single residues – placed near the right and left interfaces of each monomer into cysteine. The mutants were labelled with fluorescent probes, forming a donor–acceptor pair for FRET (fluorescence resonance energy transfer). Heterologous couples (labelled on complementary left and right interfaces) displayed a marked FRET, suggesting extensive HlgA–HlgB or HlgB–HlgA contacts. Heterologous control couples (with both components labelled on the same side) showed absent or low FRET. We found the same result for the homologous couple formed by HlgA [i.e. HlgA–HlgA in the presence of wt (wild-type) HlgB]. The homologous HlgB couple (HlgB–HlgB labelled on left and right interfaces and in the presence of wt HlgA) displayed a transient, declining FRET, which may indicate fast formation of an intermediate that is consumed during pore formation. We conclude that bicomponent pores are assembled by alternating heterologous monomers.

Published
2006
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29. Sensitive and specific detection of staphylococcal epidermolysins A and B in broth cultures by flow cytometry-assisted multiplex immunoassay

Author

Joubert, Olivier, Keller, Daniel, Pinck, Anne, Monteil, Henri, Prévost, Gilles, Prévost, Gilles, Institut Jean Lamour (IJL), and Institut de Chimie du CNRS (INC)-Université de Lorraine (UL)-Centre National de la Recherche Scientifique (CNRS)

Subjects
Microbiology (medical), Micrococcaceae, [SDV]Life Sciences [q-bio], MESH: Flow Cytometry, Skin infection, medicine.disease_cause, Sensitivity and Specificity, Microbiology, Bullous impetigo, 03 medical and health sciences, MESH: Exfoliatins, medicine, Multiplex, 030304 developmental biology, Immunoassay, 0303 health sciences, medicine.diagnostic_test, biology, 030306 microbiology, Reproducibility of Results, Bacteriology, biology.organism_classification, Staphylococcal scalded skin syndrome, medicine.disease, Flow Cytometry, MESH: Sensitivity and Specificity, 3. Good health, MESH: Reproducibility of Results, Exfoliatins, Staphylococcus aureus, Staphylococcus, MESH: Immunoassay
Abstract

Two of the most common bacterial skin infections of young infants and children are bullous impetigo due to Staphylococcus aureus and its more acute form, staphylococcal scalded skin syndrome. Epidermolysin A (ETA), ETB and, possibly, ETD are responsible for these diseases, which may appear as epidemics in pediatric patients. We tested the reliability of a flow cytometry-assisted multiplex immunoassay (Bio-Plex system) for the detection of ETA and ETB. The Bio-Plex system was found to be highly specific and highly sensitive for toxin concentrations of between 2 and 80,000 pg/ml. The results of this assay were 100% identical to the results of a PCR-based method. We demonstrated that this test did not generate any cross-reactions with ETD-producing isolates. The level of detection of ETB by this test differed according to culture conditions and from isolate to isolate; these results must be taken into account for diagnostic purposes.

Published
2005
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31. Consequences of Isostructural Main‐Chain Modifications for the Design of Antimicrobial Foldamers: Helical Mimics of Host‐Defense Peptides Based on a Heterogeneous Amide/Urea Backbone

Author

Claudon, Paul, primary, Violette, Aude, additional, Lamour, Karen, additional, Decossas, Marion, additional, Fournel, Sylvie, additional, Heurtault, Béatrice, additional, Godet, Julien, additional, Mély, Yves, additional, Jamart‐Grégoire, Brigitte, additional, Averlant‐Petit, Marie‐Christine, additional, Briand, Jean‐Paul, additional, Duportail, Guy, additional, Monteil, Henri, additional, and Guichard, Gilles, additional

Published
2009
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44. Ex Vivo Pharmacodynamics of Amoxicillin-Clavulanate against β-Lactamase-Producing Escherichia coli in a Yucatan Miniature Pig Model That Mimics Human Pharmacokinetics

Author

Bronner, Stéphane, primary, Murbach, Valérie, additional, Peter, Jean-Daniel, additional, Levêque, Dominique, additional, Elkhaïli, Hassan, additional, Salmon, Yves, additional, Dhoyen, Nathalie, additional, Monteil, Henri, additional, Woodnutt, Gary, additional, and Jehl, François, additional

Published
2002
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50. Bartonella alsatica sp. nov., a new Bartonella species isolated from the blood of wild rabbits

Author

Heller, Rémy, primary, Kubina, Maryline, additional, Mariet, Philippe, additional, Riegel, Philippe, additional, Delacour, Gilles, additional, Dehio, Christoph, additional, Lamarque, François, additional, Kasten, Rick, additional, Boulouis, Henri-Jean, additional, Monteil, Henri, additional, Chomel, Bruno, additional, and Piémont, Yves, additional

Published
1999
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