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Characterisation of Streptococcus suis isolates from wild boars (Sus scrofa)

Investigation article published in The Veterinary Journal

June 1st, 2014

Wild boar are widely distributed throughout the Iberian Peninsula and can carry potentially virulent strains of Streptococcus suis. The objective of this study was to determine the prevalence of S. suis in wild boars from two large geographical regions of Spain. Serotypes 1, 2, 7 and 9 identified were further genetically characterised by virulence-associated genotyping, pulsed-field gel electrophoresis (PFGE) and multilocus sequence typing (MLST) to determine the population structure of S. suis carried by these animals. Streptococcus suis was isolated from 39.1% of the wild boars examined: serotype 9 was the most frequently isolated (12.5%), followed by serotype 1 (2.5%). Serotype 2 was rarely isolated (0.3%). Eighteen additional serotypes were identified indicating wide diversity of this pathogen within the wild boar population. This heterogeneity was confirmed by PFGE and MLST analyses and the majority of isolates exhibited the virulence-associated genotype mrp-/epf-/sly-. The results of this study highlight that the carriage of S. suis by wild boars is commonplace. However, MLST data indicate that these isolates are not related to prevalent clonal complexes ST1, ST16, ST61 and ST87 typically associated with infection of pigs or humans in Europe




Sanchez V., Fernandez-Garayzabal JF., Mentaberre G., Briones V., Lavin S., Dominguez L., Gottschalk M. and Vela AI..




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Characterisation of Streptococcus suis isolates from wild boars (Sus scrofa)

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Characterisation of Streptococcus suis isolates from wild boars (Sus scrofa)


Participants:

Universidad ComplutenseServicio de Identificación y Caracterización Microbiana (ICM). Centro de Vigilancia Sanitaria Veterinaria (VISAVET). Universidad Complutense (UCM).

Universidad ComplutenseDepartamento de Sanidad Animal. Facultad de Veterinaria. Universidad Complutense (UCM).

Universitat Autònoma de BarcelonaServicio de Ecopatología de Fauna Salvaje (SEFaS). Universitat Autònoma de Barcelona (UAB).

Instituto Nacional de Investigación y Tecnología Agraria y AlimentariaCentro de Investigación en Sanidad Animal (CISA). Instituto Nacional de Investigación y Tecnología Agraria y Alimentaria (INIA).

Faculté de Médicine Vétérinaire. Université de Montréal (UM).







The Veterinary Journal
FACTOR YEAR Q
1.755 2014

NLMID: 9706281

PMID: 24726078

ISSN: 1090-0233



TITLE: Characterisation of Streptococcus suis isolates from wild boars (Sus scrofa)


JOURNAL: Vet. J.


NUMERACIÓN: 200(3):464-7


AÑO: 2014


PUBLISHER: Elsevier SCI LTD


AUTHORS: Sanchez V., Fernandez-Garayzabal JF., Mentaberre G., Briones V., Lavin S., Dominguez L., Gottschalk M. and Vela AI..


VISAVET PARTICIPANTS


2nd
José Francisco Fernández-Garayzabal Fernández
4th
Víctor Briones Dieste
6th
Lucas Domínguez Rodríguez
Last
Ana Isabel Vela Alonso

DOI: https://doi.org/ 10.1016/j.tvjl.2014.03.013


CITE THIS PUBLICATION:

Sanchez V., Fernandez-Garayzabal JF., Mentaberre G., Briones V., Lavin S., Dominguez L., Gottschalk M. and Vela AI. Characterisation of Streptococcus suis isolates from wild boars (Sus scrofa). The Veterinary Journal. 200(3):464-7. 2014. (A). ISSN: 1090-0233. DOI: 10.1016/j.tvjl.2014.03.013


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