Quantitative Analysis of Unicapsula seriolae in Greater Amberjack Associated with Unidentified Food-Borne Disease.

In this study, we quantified U. seriolae in greater amberjack meats involved in food-poisoning episodes. U. seriolae DNA was detected in 26 samples out of 29 samples by means of quantitative real-time PCR(qRT-PCR). The major symptoms were diarrhea and vomiting within 12 hours after consumption. No seasonal trend in the outbreaks was apparent. The number of spores in samples with qRT-PCR-detected U. seriolae DNA ranged from 1.9×105 to 1.7×107 spores/g. However, no spores were detected in greater amberjack purchased from markets. These results indicate that U. seriolae was responsible for the outbreaks. The copy number of DNA in the positive samples was more than 107 copies/g. The ingestion amount was known in 11 of the incidents, and the minimum quantity of spores that caused symptoms was estimated to be 3.8×106 spores/g. PMID: 29743464 [PubMed - in process]
Source: Shokuhin eiseigaku zasshi. Journal of the Food Hygienic Society of Japan - Category: Food Science Tags: Shokuhin Eiseigaku Zasshi Source Type: research

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