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Diarrheic shellfish poisoning (DSP) is one of the four recognized symptom types of shellfish poisoning, alongside paralytic shellfish poisoning, neurotoxic shellfish poisoning and amnesic shellfish poisoning. [citation needed] As the name suggests, it mainly manifests as diarrhea. Abdominal pain, nausea and vomiting may also occur. [citation ...
Shellfish poisoning includes four syndromes that share some common features and are primarily associated with bivalve molluscs (such as mussels, clams, oysters and scallops.) [1] As filter feeders, these shellfish may accumulate toxins produced by microscopic organisms, such as cyanobacteria, diatoms and dinoflagellates.
The first cases of diarrhetic shellfish poisoning (DSP) due to D. acuta were recorded in 1972 in Peru, but were reported to the scientific community only in 1991. [8] It is a mildest form of seafood poisoning, indicated by severe diarrhoea. [1]
The U.S. Food and Drug Administration says consumers should avoid eating shellfish from Oregon and Washington state as they may be contaminated with toxins that cause paralytic shellfish poisoning ...
These shellfish are filter feeders and accumulate neurotoxins, chiefly saxitoxin, produced by microscopic algae, such as dinoflagellates, diatoms, and cyanobacteria. [1] Dinoflagellates of the genus Alexandrium are the most numerous and widespread saxitoxin producers and are responsible for PSP blooms in subarctic, temperate, and tropical ...
According to the health department, over 80 attendees who ate the oysters at the event reported illnesses and gastrointestinal symptoms like diarrhea, nausea, abdominal pain, and vomiting.
The shellfish were distributed to restaurants and retailers in Arizona, California, Florida, Massachusetts, Michigan, New York, and Washington, according to the Food and Drug Administration.
Okadaic acid, C 44 H 68 O 13, is a toxin produced by several species of dinoflagellates, and is known to accumulate in both marine sponges and shellfish. [1] One of the primary causes of diarrhetic shellfish poisoning, okadaic acid is a potent inhibitor of specific protein phosphatases and is known to have a variety of negative effects on cells.