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Volume 28, Number 2—February 2022
Research

Wild Boars as Reservoir of Highly Virulent Clone of Hybrid Shiga Toxigenic and Enterotoxigenic Escherichia coli Responsible for Edema Disease, France

Alexandre Perrat, Priscilla Branchu, Anouk Decors, Silvia Turci, Marie-Hélène Bayon-Auboyer, Geoffrey Petit, Vladimir Grosbois, Hubert Brugère, Frédéric AuvrayComments to Author , and Eric OswaldComments to Author 
Author affiliations: Institut de Recherche en Santé Digestive, Université de Toulouse, Institut National de la Santé et de la Recherche Médicale, Institut National de Recherche pour l’Agriculture, l’Alimentation et l’Environnement (INRAE), Ecole Nationale Vétérinaire de Toulouse, Université Paul Sabatier, Toulouse, France (A. Perrat, P. Branchu, H. Brugère, F. Auvray, E. Oswald); Office Français de la Biodiversité, Orléans, France (A. Decors); Labocea, Ploufragan, France (S. Turci, M.-H. Bayon-Auboyer); Université Clermont Auvergne INRAE, VetAgro Sup, Unité Mixte de Recherche (UMR) Epidémiologie des Maladies Animales et Zoonotiques, Saint-Genès-Champanelle, France (G. Petit); UMR Animal-Santé-Territoires-Risques-Ecosystèmes, Centre de Coopération Internationale en Recherche Agronomique pour le Développement, INRAE, Montpellier, France (G. Petit, V. Grosbois); Centre Hospitalier Universitaire de Toulouse, Hôpital Purpan, Toulouse (E. Oswald)

Main Article

Figure 2

Core genome maximum-likelihood phylogenetic tree of 63 Escherichia coli O139:H1 (ST1) isolates from edema disease cases, including 28 from wild boars in France and 35 from domestic pigs of worldwide origin, including France. The clade of wild boar strains (WB1) is boxed, and the strains from this clade are colored according to the year of isolation (blue, 2013–2016; red, 2019). The clades of pig strains are numbered from P2 to P6. Scale bar indicates the number of substitutions per site.

Figure 2. Core genome maximum-likelihood phylogenetic tree of 63 Escherichia coli O139:H1 (ST1) isolates from edema disease cases, including 28 from wild boars in France and 35 from domestic pigs of worldwide origin, including France. The clade of wild boar strains (WB1) is boxed, and the strains from this clade are colored according to the year of isolation (blue, 2013–2016; red, 2019). The clades of pig strains are numbered from P2 to P6. Scale bar indicates the number of substitutions per site.

Main Article

Page created: December 01, 2021
Page updated: January 27, 2022
Page reviewed: January 27, 2022
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