Diversity of Streptococcus suis strains isolated from sick pigs from farms in the Czech Republic

Result code in IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F00027162%3A_____%2F22%3AN0000137" target="_blank" >RIV/00027162:_____/22:N0000137 - isvavai.cz</a>

Alternative codes found

RIV/00027162:_____/23:N0000060

Result on the web

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DOI - Digital Object Identifier

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Result language

angličtina

Original language name

Diversity of Streptococcus suis strains isolated from sick pigs from farms in the Czech Republic

Original language description

Streptococcus suis is a significant cause of mortality in piglets and growing pigs worldwide. The pathogenic strains causes meningitis, arthritis, endocarditis, polyserositis, and septicemia and are also considered an emerging zoonotic pathogen. Serotyping and multilocus sequence typing are primary methods to differentiate strains. The objective of this study was to characterize the diversity of 552 S. suis isolates collected between 2018 and 2022 originating from sick pigs from farms in the Czech Republic. Using molecular methods, serotype 7 (15.2%) was determined to be predominant among S. suis isolates, followed by serotypes 2, 1/2, 9, 8, 4, 3, 1, 29, 31, 16, 12, and 15. Other serotypes were identified either rarely (up to 10 cases) or not at all, 18.5% of isolates were non-typeable. Multilocus sequence typing revealed 56 sequence types, of which 29 was identified as novel. The predominant sequence types were ST29 and ST28. No direct relationship between serotypes and sequence types was detected. Eleven of the 23 serotypes identified contained multiple sequence types, with the number of different sequence types within a single serotype ranging from 2 to 6. The distribution of serotypes and sequence types showed the large diversity of the S. suis strains in pig farms. This work was supported by Ministry of Agriculture of the Czech Republic (Institutional Support No.MZE-RO0518) and by the National Agency for Agricultural Research (Project No. QK1810193).

Czech name

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Czech description

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Type

O - Miscellaneous

CEP classification

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OECD FORD branch

40301 - Veterinary science

Project

<a href="/en/project/QK1810193" target="_blank" >QK1810193: Modern methods of diagnosis, therapy and prevention of Streptococcus suis infections as a tool for designing of targeted control programs in pig herds</a><br>

Continuities

P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)<br>I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace

Publication year

2022

Confidentiality

S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů