Which of the following superantigens is associated with food poisoning?

The identification of SEB (Staphylococcal Enterotoxin B) from Staphylococcus aureus as a superantigen associated with food poisoning is correct because SEB is known to be a potent toxin that can cause gastrointestinal illness. It is a type of enterotoxin produced by certain strains of Staphylococcus aureus and is associated with foodborne illness, especially in improperly stored or handled foods.

When ingested, SEB can trigger a rapid immune response, leading to symptoms like nausea, vomiting, and diarrhea. This pathogenic mechanism highlights the role of superantigens, which can activate a large number of T cells, leading to an overwhelming inflammatory response in the host.

In contrast, while TSST (Toxic Shock Syndrome Toxin) from Staphylococcus aureus can cause serious systemic effects and is linked to toxic shock syndrome, it is not primarily associated with food poisoning. SPE-C from Streptococcus pyogenes can cause other diseases but does not have a direct link with foodborne illnesses. Additionally, UV light exposure is not a superantigen and does not relate to food poisoning in this context.

Thus, SEB stands out as the superantigen specifically recognized for its role in food poisoning due to