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Genetic analysis of Streptococcus suis isolates from wild rabbits

Veterinary Microbiology publish this investigation article

August 30th, 2013

This work aims to investigate the presence of Streptococcus suis in wild rabbits. A total of 65 S. suis isolates were recovered from 33.3% of the wild rabbits examined. Most isolates (86.2%) belong to genotype cps9. These isolates were further characterized by pulsed field gel electrophoresis (PFGE), multilocus sequence typing (MLST) and virulence genotyping. Overall, S. suis exhibited a low genetic diversity. Only 5 genetic profiles were obtained by PFGE and most isolates (71.4%) were included in two pulsotypes that were also widely distributed among the wild rabbit population. MLST analysis assigned all cps9 isolates into three new singlestones (ST216, ST217 and ST284), which were not genetically related to the European ST87 and Spanish ST61 widespread swine clones, indicating a different genetic background for the S. suis isolates from wild rabbits and pigs. Wild rabbit isolates exhibited the genotype mrp-/epf-/sly-, different from those showed by most of the swine S. suis isolates of the ST87 and ST61 clones. None of the S. suis isolated from wild rabbits exhibited the genotype cps2/mrp+/epf+/sly+ associated with human infections. These results indicate that S. suis isolates from wild rabbits are not genetically related with prevalent clones usually associated with infections in pigs or humans in Europe and do not exhibit either their virulence genotypes. Therefore, although wild rabbits could represent an unknown reservoir of this pathogen, they could not represent a potential risk for pigs or humans




Sanchez V., Fernandez-Garayzabal JF., Briones V., Iriso A., Dominguez L., Gottschalk M. and Vela AI..




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Genetic analysis of Streptococcus suis isolates from wild rabbits

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Genetic analysis of Streptococcus suis isolates from wild rabbits


Participants:

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

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

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

Comunidad de MadridDirección General de Ordenación e Inspección. Consejería de Sanidad. Comunidad de Madrid.







Veterinary Microbiology
FACTOR YEAR Q
2.726 2013

NLMID: 7705469

PMID: 23725747

ISSN: 0378-1135



TITLE: Genetic analysis of Streptococcus suis isolates from wild rabbits


JOURNAL: Vet. Microbiol.


NUMERACIÓN: 165(3-4):483-6


AÑO: 2013


PUBLISHER: Elsevier Science Publishers


AUTHORS: Sanchez V., Fernandez-Garayzabal JF., Briones V., Iriso A., Dominguez L., Gottschalk M. and Vela AI..


VISAVET PARTICIPANTS


2nd
José Francisco Fernández-Garayzabal Fernández
3rd
Víctor Briones Dieste
5th
Lucas Domínguez Rodríguez
Last
Ana Isabel Vela Alonso

DOI: https://doi.org/ 10.1016/j.vetmic.2013.04.025


CITE THIS PUBLICATION:

Sanchez V., Fernandez-Garayzabal JF., Briones V., Iriso A., Dominguez L., Gottschalk M. and Vela AI. Genetic analysis of Streptococcus suis isolates from wild rabbits. Veterinary Microbiology. 165(3-4):483-6. 2013. (A). ISSN: 0378-1135. DOI: 10.1016/j.vetmic.2013.04.025


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