[MARMAM] New pubblication: First​ report of Salmonella 1,4,[5],12:i:- in free-ranging striped dolphins ( Stenella coeruleoalba ), Italy

Grattarola Carla Carla.Grattarola at izsto.it
Tue Apr 16 06:48:05 PDT 2019

Dear colleagues,

My co-authors and I are pleased to announce the publication of this paper:

 "First​ report of Salmonella 1,4,[5],12:i:- in free-ranging striped dolphins ( Stenella coeruleoalba ), Italy".

Authors: C. Grattarola, S. Gallina, F. Giorda, A. Pautasso, M. Ballardini, B. Iulini, K. Varello,M. Goria, S. Peletto, L. Masoero, L. Serracca, A. Romano, A. Dondo, S. Zoppi, F. Garibaldi, F. E. Scaglione, L. Marsili, G. Di Guardo, A. A. Lettini, W. Mignone, A. Fernandez, C. Casalone

Sci Rep 2019 Apr 15;  https://doi.org/10.1038/s41598-019-42474-6


Between 2015 and the beginning of 2018 (January-March), 30 cetaceans were found stranded along
the Ligurian Sea coast of Italy. Necropsies were performed in 22 cases and infectious diseases resulted
the most common cause of death. Three striped dolphins, showed a severe coinfection involving
the monophasic variant of Salmonella Typhimurium (Salmonella 1,4,[5],12:i:-). The isolates were
characterized based on antimicrobial resistance, Multiple-Locus Variable-number tandem-repeat
Analysis (MLVA) and whole-genome sequencing (WGS). All isolates demonstrated the same multidrug
resistant genotype (ASSuT isolates), showed three different MLVA profiles, two of which closely related,
and were identified as Sequence Type 34. Moreover, Single nucleotide polymorphisms (SNP) analysis
confirmed strong correlations between two out of the three isolates. To our knowledge, S. 1,4,[5],12:i:-,
one of the most common serovars in cases of human infection and food sources worldwide, has not
previously been described in marine mammals, and reports of Salmonella-associated disease in freeranging
cetaceans are rare. These results highlight the role of cetaceans as sentinel species for zoonotic
and terrestrial pathogens in the marine environment, suggest a potential risk for cetaceans and public
health along the North Western Italian coastline and indicate cetaceans as a novel potential reservoir for
one of the most widespread Salmonella serovars.

You can find the article using the following link: https://rdcu.be/bwYsq<http://em.rdcu.be/wf/click?upn=lMZy1lernSJ7apc5DgYM8bqPqg2kVPPI4drE6FFSkbk-3D_2iq-2FBVzvipl1kM-2BUsoO8IwAipH9LUwe-2FTUM8ilQZDFUd7iDAvj3zDO6YFa0GlyeJ1Ccsyz5QuvCDP9klNUA0ySPDdqKEakoQTEVRh7JEzPJdRWHrkWCUxDuiJ6QdV3msM3SzGRCUNCLUWL-2FT5x-2BkbVHoQX0JUSKLLrsY9i6eISdEizM97KSXTsXthQb-2FgVjf87uFBwINBTZ1VEi1QU007zYtoJo1nTsBy-2FJNyJugQhJHm3aNXzYhTchLZdPCEEBHXXW78Jmjywgf-2FhWghU2YkmUZ0E5j4q3S-2B8-2FEXKxLRMg-3D>

Kind regards,

Carla Grattarola

Carla Grattarola DVM

S.C. Neuroscienze-Lab Neuropatologia
CEA-Centro di Referenza Nazionale per le TSE
C.Re.Di.Ma.- Centro di Referenza Nazionale per le indagini diagnostiche sui Mammiferi Marini spiaggiati
Istituto Zooprofilattico Sperimentale del Piemonte, Liguria e Valle d'Aosta
Via Bologna 148
10154 TORINO
tel +39 011 2686 296
carla.grattarola at izsto.it<mailto:carla.grattarola at izsto.it>
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