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Seafood and clinical samples collected in Italy during 2006 were analyzed to evaluate prevalence, serological and virulence properties of non-O1 non-O139 Vibrio cholerae (NCV) isolates. Biochemical and serological characterization of the strains was performed by standardized procedures while virulence properties of NCVs were assayed by molecular, in vivo(More)
We report a case of necrotizing fasciitis caused by Vibrio cholerae O137 in an immunocompromised 49-year-old man. The infection was acquired following a minor traumatic injury and exposure to seawater during the summer of 2009 in Italy. Although highly immunocompromised, the patient survived. The strain was cytotoxic, invasive, and adhesive and contained a(More)
The distribution of virulence properties in 142 strains of Aeromonas isolated from diarrhoeic patients, food and surface water in Italy and identified by biochemical and molecular methods was investigated. The virulence properties studied were the presence of genes for the aerolysin (aerA), heat-stable cytotonic enterotoxin (ast), heat-labile cytotonic(More)
Susceptibility patterns to 27 antimicrobial agents and beta-lactamase production were investigated in potentially pathogenic halophilic vibrios from seafood. The effect of salinity on the response to the drugs in vitro was also studied. All isolates were uniformly sensitive to choramphenicol, imipenem, meropenem but resistant to lincomycin. All were highly(More)
The relationship between Vibrio parahaemolyticus strains isolated from the aquatic environment and those isolated from cases of infection in humans is poorly understood due to the low prevalence of tdh- and/or trh-positive strains in the environment. To address this concern, it would be useful to analyse the genetic relationships among environmental and(More)
The aims of this study were to investigate the prevalence of total and pathogenic Vibrio parahaemolyticus strains in Italian mussels from different geographical areas of the Adriatic Sea and to determine their serotypes, toxigenic profiles and pandemic potential. Out of 559 samples analysed during 2007, 65 (11.6%) were positive for V. parahaemolyticus. None(More)
AIMS The aim of this study was to investigate the presence of Vibrio vulnificus and potentially pathogenic strains of Vibrio parahaemolyticus in mullets collected from estuarine environment in Italy. METHODS AND RESULTS Two hundred and ninety-five mullets were analysed by culture using the selective medium thiosulfate citrate bile salt sucrose agar,(More)
We report 2 cases of O3:K6 and O1:KUT Vibrio parahaemolyticus gastroenteritis associated with consumption of local mussels in Italy in 2008. Serotypic, antibiogram, toxigenic, and pulsed-field gel electrophoresis patterns of these strains were compared to those of other isolates collected from local clinical and seafood samples in 2007 to 2008. We underline(More)