Impact of serotype and sequence type on the preferential aerosolization of Streptococcus suis

Authors: Gauthier-Levesque, LéaBonifait, LaetitiaTurgeon, NathalieVeillette, MarcPerrot, PhillipaGrenier, DanielDuchaine, Caroline
Abstract: Streptococcus suis is a swine pathogen that causes pneumonia, septicaemia and meningitis. It is also an important zoonotic agent responsible of several outbreaks in China. S. suis strains are classified into 35 serotypes based on the composition of their polysaccharide capsule. S. suis serotype 2 causes the majority of severe infections and it is subdivided into sequence types (STs) based on multilocus sequence typing. The ST1 is associated with highly virulent strains. In North America, the strains most commonly isolated belong to ST25 and ST28, which are respectively moderately and weakly virulent in a mouse model. The presence of S. suis bioaerosols in the air of swine confinement buildings has been previously demonstrated. The aim of this study was to better understand the aerosolization behaviour of S. suis by investigating of the preferential aerosolization of different strains of S. suis. The highly virulent serotype 2 ST1 strains appeared to be preferentially aerosolized. This study increases our knowledge on the potential aerosol transmission of S. suis and emphasises the importance of developing an exposure prevention strategy to protect the swine and the swine producers.
Document Type: Article de recherche
Issue Date: 14 May 2016
Open Access Date: 25 August 2016
Document version: AM
Permalink: http://hdl.handle.net/20.500.11794/9448
This document was published in: BMC research notes, Vol. 9, 273-279(2016)
http://dx.doi.org/10.1186/s13104-016-2073-8
Biomed Central
Alternative version: 10.1186/s13104-016-2073-8
27180230
Collection:Articles publiés dans des revues avec comité de lecture

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