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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 ...
The lipophilic toxins accumulate in shellfishes and causes diarrhea and shellfish poisoning to consumers. Dinophysis acuminata is the cause of DSP in Brazil and creates a disturbing impact due to its long and early blooming species[4]. However, their presence is restricted around the spring and summer[4], but in higher concentrations in December.
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]
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.
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.
Oregon authorities have expanded shellfish harvesting closures along the state's entire coastline to include razor clams and bay clams, as already high levels of toxins that have contributed to a ...
Paralytic shellfish poisoning, or PSP, is caused by saxitoxin, a naturally occurring toxin that’s produced by algae. Saxitoxin is a neurotoxin, meaning it can damage nerve tissue.
This contamination of shellfish leads to multiple severe human related illnesses. [2] [4] These illnesses include paralytic shellfish poisoning, diarrhetic shellfish poisoning, neurotoxic shellfish poisoning, and ciguatera fish poisoning. [2] Dinotoxins are impacting not only the marine ecosystem, but the economy as well. [4]
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