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A Rapid Strategy for the Isolation of New Faustoviruses from Environmental Samples Using Vermamoeba vermiformis

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Published on: June 4, 2016

Enteric viruses in molluscan shellfish.

Rosanna Gabrieli¹, Alessia Macaluso, Luigi Lanni

¹Tor Vergata University, School of Medicine, Rome, Italy.

The New Microbiologica

|December 18, 2007

Summary

Environmental monitoring revealed enteric virus contamination in 54% of bivalve molluscs. Mussels showed the highest contamination rates, impacting both market and environmental samples, highlighting risks to shellfish safety.

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Adapting Gastrointestinal Organoids for Pathogen Infection and Single Cell Sequencing under Biosafety Level 3 (BSL-3) Conditions

Adapting Gastrointestinal Organoids for Pathogen Infection and Single Cell Sequencing under Biosafety Level 3 (BSL-3) Conditions

Published on: September 10, 2021

Area of Science:

Marine microbiology
Food safety analysis
Environmental monitoring of shellfish

Background:

Bivalve molluscs are crucial indicators of marine ecosystem health and potential vectors for human pathogens.
Enteric viruses in shellfish pose a significant public health risk, necessitating robust monitoring programs.
European Union regulations set strict microbiological criteria for shellfish intended for consumption.

Purpose of the Study:

To assess the prevalence of enteric viruses in bivalve molluscs collected for environmental monitoring and market surveillance.
To determine the specific types and levels of viral contamination in different bivalve species.
To evaluate the suitability of bivalves for human consumption based on established safety criteria.

Main Methods:

Collection of 137 bivalve samples for environmental and market analysis.
Quantitative microbiological analysis to assess bacterial counts against EU shellfish criteria.
Reverse Transcription Polymerase Chain Reaction (RT-PCR) testing for the detection of Rotavirus, Astrovirus, Enteroviruses, and Norovirus.

Main Results:

69.5% of samples met European Union bacteriological criteria for shellfish.
Overall enteric virus detection rate was 54.0%.
Rotavirus (25.5%), Astrovirus (18.2%), Enteroviruses (8.0%), and Norovirus (2.1%) were detected. Mussels exhibited the highest contamination (64.8%), followed by clams (55.7%) and oysters (22.7%).

Conclusions:

A significant proportion of bivalve molluscs harbor enteric viruses, posing a potential risk to human health.
Mussels are particularly vulnerable to viral contamination, requiring targeted monitoring efforts.
Findings underscore the importance of continuous surveillance of shellfish for both bacteriological and viral pathogens to ensure food safety.