Veterinaria italiana · 2025
Streptococcus suis in Water Buffalo Calves: First Report with Histological and Genomic Insights.
СтатьяКлинический случайНазвание и аннотация: Перевод в очереди
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Paoletti Massimiliano, Rossi Franca, Del Matto Ilaria, Di Domenico Marco, Di Teodoro Giovanni, Alessiani Alessandra, Colapietro Giuseppe, Natale Antonio, Salzillo Francesco, Marino Lucio, D'Alterio Nicola, Savini Giovanni, Petrini Antonio
Аннотация
In this study, two cases of sudden death following infection-like symptoms in dairy water buffalo calves aged 5 - 12 days were investigated by anatomopathological examinations and laboratory tests. Four bacterial infectious agents were isolated from the brain, which presented meningitis-like lesions, and liver, which appeared hyperaemic and with fibrin formations. The four isolates were phenotypically identified as Streptococcus suis and found to be genetically identical by whole genome sequencing (WGS). One of the isolates was further characterized by hybrid short and long reads genome sequencing and found to represent a novel sequence type (ST) of S. suis serotype 2 . Further investigations are needed to better understand its pathogenic potential, host specificity and environmental sources of infection.