期刊
CURRENT MICROBIOLOGY
卷 78, 期 5, 页码 1973-1980出版社
SPRINGER
DOI: 10.1007/s00284-021-02447-3
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- ICAR-CIFE
This study investigated the incidence of Cronobacter spp. in seafood from retail fish markets in Mumbai, India. It found the highest incidence of Cronobacter spp. in dried fish, with Cronobacter malonaticus being the most common species identified. The detection of Cronobacter spp. highlights the importance of monitoring this emerging pathogen in tropical seafood.
In this study, we investigated the incidence of Cronobacter spp. in seafood collected from retail fish markets of Mumbai, India. A total of 50 samples comprising fresh finfish (n = 32), shellfish (n = 6), dried fish (n = 9) and water (n = 3) were analyzed for Cronobacter spp. by selective enrichment, isolation and biochemical tests. Of 145 isolates presumptively identified as Cronobacter spp. by biochemical tests, 37 were confirmed as Cronobacter spp. by Polymerase Chain Reaction (PCR) specific to the internal transcribed spacer (ITS) regions. Based on the partial ITS gene sequence analysis, 35 isolates were identified as Cronobacter malonaticus and two as Cronobacter sakazakii. The highest incidence of Cronobacter spp. was in dried fish (55.6%), followed by shellfish (33.3%). The virulence gene ompA was detected in two Cronobacter sakazakii isolates. This is the first report of the incidence of Cronobacter spp. in fresh and dried seafood from India, which highlights the need to focus on this emerging pathogen in tropical seafood.
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