Epidemiological and molecular evidence of foodborne poisoning outbreak caused by enterotoxin gene cluster -harboring Staphylococcus aureus of new sequence type 7591

Article Biotechnology & Applied Microbiology

Staphylococcal Enterotoxin Gene Cluster: Prediction of Enterotoxin (SEG and SEI) Production and of the Source of Food Poisoning on the Basis of vSaβ Typing

L. Schwendimann et al.

Summary: This study investigated the relationship between the vSa beta type, clonal complex (CC), and the production of enterotoxins SEG and SEI by Staphylococcus aureus strains. It was found that the amount of SEG and SEI produced correlated with the vSa beta type and CC of a strain, and the whole-genome sequencing data could be used to predict enterotoxin production and source of an outbreak strain. These results show promising indications for better understanding the role SEG and SEI play in foodborne outbreaks caused by S. aureus.

APPLIED AND ENVIRONMENTAL MICROBIOLOGY (2021)

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Article Food Science & Technology

Carriage of Staphylococcus aureus among food handlers: An ongoing challenge in public health

Daniela Bencardino et al.

Summary: Staphylococcus aureus, a common bacterium that colonizes human skin, nasal passages, and GI tract, can cause food poisoning through contamination by asymptomatic food handlers. While most recover without medical intervention, severe cases can be life-threatening. This poses a serious challenge for the food industry and healthcare systems.

FOOD CONTROL (2021)

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Article Food Science & Technology

High production of egc2-related staphylococcal enterotoxins caused a food poisoning outbreak

Kaoru Umeda et al.

Summary: The study found that Staphylococcus aureus isolates produced high levels of egc2-related SEs during a foodborne outbreak, leading to food poisoning symptoms. Leftover food items also contained SEs exceeding the toxin dose threshold, and a representative isolate was found to be homologous with previously reported ST45 strains.

INTERNATIONAL JOURNAL OF FOOD MICROBIOLOGY (2021)

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Article Immunology