Unveiling the Past : A Retrospective Detection of Lactococcus petauri in Farmed European Seabass (Dicentrarchus labrax) in the Tyrrhenian Sea

© 2025 John Wiley & Sons Ltd.

Détails bibliographiques
Publié dans:Journal of fish diseases. - 1998. - (2025) vom: 14. Aug., Seite e70048
Auteur principal: Esposito, Giuseppe (Auteur)
Autres auteurs: Colussi, Silvia, Bignami, Giorgia, Fioravanti, Marialetizia, Pastorino, Paolo, Bondavalli, Fabio, Prearo, Marino, Gustinelli, Andrea
Format: Article en ligne
Langue:English
Publié: 2025
Accès à la collection:Journal of fish diseases
Sujets:Journal Article Mediterranean Sea aquaculture bacterial infection piscine lactococcosis surveillance
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520 |a Lactococcus petauri is an emerging bacterial pathogen associated with disease outbreaks in freshwater and marine fish species worldwide. While it has been increasingly reported in countries bordering the Mediterranean Sea, no official records of L. petauri have yet been made in Italy for saltwater species. This study reports, for the first time, the presence of L. petauri in European seabass (Dicentrarchus labrax) farmed in land-based tanks along the south-western coast of Italy, based on a retrospective analysis of previously isolated strains. Although only a single isolate was positive, the finding is of notable significance as it originated from a sample collected in 2012. This temporal aspect highlights the likelihood that L. petauri has been circulating in Italian aquaculture systems for at least a decade. The isolate also exhibited a broad antimicrobial resistance profile, including resistance to amoxicillin, fluoroquinolones and trimethoprim/sulfamethoxazole. The historical misidentification of L. petauri is linked to its clinical similarity with Lactococcus garvieae. This highlights the value of re-analysing archived strains with modern tools and underlines the need for accurate diagnostics in aquaculture. The detection in D. labrax extends the known host range and suggests a longer, undetected presence in the Mediterranean 
650 4 |a Journal Article 
650 4 |a Mediterranean Sea 
650 4 |a aquaculture 
650 4 |a bacterial infection 
650 4 |a piscine lactococcosis 
650 4 |a surveillance 
700 1 |a Colussi, Silvia  |e verfasserin  |4 aut 
700 1 |a Bignami, Giorgia  |e verfasserin  |4 aut 
700 1 |a Fioravanti, Marialetizia  |e verfasserin  |4 aut 
700 1 |a Pastorino, Paolo  |e verfasserin  |4 aut 
700 1 |a Bondavalli, Fabio  |e verfasserin  |4 aut 
700 1 |a Prearo, Marino  |e verfasserin  |4 aut 
700 1 |a Gustinelli, Andrea  |e verfasserin  |4 aut 
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