Výsledky vyhledávání - "Gaëlle Porcheron"

Akademický článek

Effect of fructooligosaccharide metabolism on chicken colonization by an extra-intestinal pathogenic Escherichia coli strain.

Autor: Gaëlle Porcheron, Nathalie Katy Chanteloup, Angélina Trotereau, Annie Brée, Catherine Schouler

Publikováno v: PLoS ONE, Vol 7, Iss 4, p e35475 (2012)

Extra-intestinal pathogenic Escherichia coli (ExPEC) strains cause many diseases in humans and animals. While remaining asymptomatic, they can colonize the intestine for subsequent extra-intestinal infection and dissemination in the environment. We h

Externí odkaz: https://doaj.org/article/ddc8e9a36f9c4d67996d178bdb492c18

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Altered Regulation of the Diguanylate Cyclase YaiC Reduces Production of Type 1 Fimbriae in a Pst Mutant of Uropathogenic Escherichia coli CFT073

Autor: Sébastien Houle, Charles M. Dozois, Gaëlle Porcheron, Sébastien Crépin, Josée Harel

Publikováno v: Journal of Bacteriology
Journal of Bacteriology, American Society for Microbiology, 2017, 199 (24), pp.e00168-17. ⟨10.1128/JB.00168-17⟩

The pst gene cluster encodes the phosphate-specific transport (Pst) system. Inactivation of the Pst system constitutively activates the two-component regulatory system PhoBR and attenuates the virulence of pathogenic bacteria. In uropathogenic Escher

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::b9adfabebd0df90b34ae89f02d6c17c9
https://doi.org/10.1128/jb.00168-17

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HlyF Produced by Extraintestinal Pathogenic Escherichia coli Is a Virulence Factor That Regulates Outer Membrane Vesicle Biogenesis

Autor: Emmanuelle Helloin, Sébastien Houle, Tetsuya Hayashi, Marie Penary, Patricia Martin, Gaëlle Porcheron, Kazunori Murase, Charles M. Dozois, Eric Oswald, Jean-Philippe Nougayrède

Publikováno v: Journal of Infectious Diseases
Journal of Infectious Diseases, Oxford University Press (OUP), 2016, 213 (5), pp.856-65. ⟨10.1093/infdis/jiv506 ⟩
Journal of Infectious Diseases, Oxford University Press (OUP), 2016, 213 (5), pp.856-65. ⟨10.1093/infdis/jiv506⟩
Journal of Infectious Diseases, 2016, 213 (5), pp.856-65. ⟨10.1093/infdis/jiv506⟩
Journal of Infectious Diseases, Oxford University Press (OUP), 2016, 213 (5), pp.856-865. ⟨10.1093/infdis/jiv506⟩

International audience; Escherichia coli can cause extraintestinal infections in humans and animals. The hlyF gene is epidemiologically associated with virulent strains of avian pathogenic E. coli and human neonatal meningitis-associated E. coli. We

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::8d117a02375827d34ef603ad1bbe0b7d
https://hal-riip.archives-ouvertes.fr/pasteur-01351505

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Survival games at the dinner table: regulation of Enterobacterial virulence through nutrient sensing and acquisition

Autor: Gaëlle Porcheron, Catherine Schouler, Charles M. Dozois

Publikováno v: Current Opinion in Microbiology
Current Opinion in Microbiology, Elsevier, 2016, 30, pp.98-106. ⟨10.1016/j.mib.2016.01.008⟩

The ability of bacterial pathogens to colonize specific host niches is largely dependent on acquisition of essential metabolites and co-factors for growth and sensing and adapting in response to specific environmental cues. Nutrient availability in h

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::d1142ff5ed20a9733a29811c533e2b10
https://hal.archives-ouvertes.fr/hal-01275149

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Regulation of fructooligosaccharide metabolism in an extra-intestinal pathogenic Escherichia coli strain

Autor: Sylvie Canepa, Catherine Schouler, Gaëlle Porcheron, Emmanuel Kut, Marie-Christine Maurel

Publikováno v: Molecular Microbiology. 81:717-733

A gene cluster involved in the metabolism of prebiotic short-chain fructooligosaccharides (scFOS) has recently been identified in the extra-intestinal avian pathogenic Escherichia coli strain BEN2908. This gene cluster, called the fos locus, plays a

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::aba51a5e365ebf3f4f847f0f8c3d6bc6
https://doi.org/10.1111/j.1365-2958.2011.07725.x

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Interplay between iron homeostasis and virulence: Fur and RyhB as major regulators of bacterial pathogenicity

Autor: Charles M. Dozois, Gaëlle Porcheron

Publikováno v: Veterinary Microbiology
Veterinary Microbiology, Elsevier, 2015, 179 (1-2), pp.2-14. <10.1016/j.vetmic.2015.03.024>
Veterinary Microbiology, Elsevier, 2015, 179 (1-2), pp.2-14. ⟨10.1016/j.vetmic.2015.03.024⟩

International audience; In bacteria-host interactions, competition for iron is critical for the outcome of the infection. As a result of its redox properties, this metal is essential for the growth and proliferation of most living organisms, includin

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::715e70f0ab9dec596ac5daa7b9e4c8bf
https://hal-riip.archives-ouvertes.fr/pasteur-01352636

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The fate of not sensing phosphate

Autor: Josee Harel, Gaëlle Porcheron, Sébastien Crépin, Charles M. Dozois

Publikováno v: Virulence. 3:596-598

The pstSCAB-phoU operon encodes the phosphate-specific transport system (Pst). Loss of Pst constitutively activates the Pho regulon and decreases bacterial virulence. However, specific mechanisms underlying decreased bacterial virulence through inact

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::e0a2936eb8806d92d1c49f013b34d797
https://doi.org/10.4161/viru.22539

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Regulation of fructooligosaccharide metabolism in an extra-intestinal pathogenic Escherichia coli strain

Autor: Gaëlle, Porcheron, Emmanuel, Kut, Sylvie, Canepa, Marie-Christine, Maurel, Catherine, Schouler

Publikováno v: Molecular microbiology. 81(3)

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=pmid________::f6406196c2fc736a674edfa673f7ed48
https://pubmed.ncbi.nlm.nih.gov/21692876

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The yicJI metabolic operon of Escherichia coli is involved in bacterial fitness

Autor: Maryline, Répérant, Gaëlle, Porcheron, Géraldine, Rouquet, Philippe, Gilot

Publikováno v: FEMS microbiology letters. 319(2)

The yicJI operon of the common genetic backbone of Escherichia coli codes an α-xylosidase and a transporter of the galactosides--pentoses--hexuronides:cation symporter family. In the extraintestinal pathogenic E. coli strain BEN2908, a metabolic ope

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=pmid________::ac101a005b3a046c92484edff46e06cc
https://pubmed.ncbi.nlm.nih.gov/21477255

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The extra-intestinal avian pathogenic Escherichia coli strain BEN2908 invades avian and human epithelial cells and survives intracellularly

Autor: Nathalie K. Chanteloup, Pierre Germon, Bernadette Delaleu, Maryvonne Moulin-Schouleur, Philippe Gilot, Gaëlle Porcheron, Catherine Schouler

Publikováno v: Veterinary Microbiology
Veterinary Microbiology, Elsevier, 2011, 147 (3-4), pp.435-439. ⟨10.1016/j.vetmic.2010.07.013⟩

Extra-intestinal pathogenic Escherichia coli (ExPEC) strains are responsible for a wide range of diseases in humans and animals. Using in vitro invasion assays and transmission electron microscopy, we showed that BEN2908, an ExPEC strain of avian ori

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::3557cb0153591d5f38847ddcd631c8cb
https://hal.archives-ouvertes.fr/hal-01129535

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