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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.
Amnesic shellfish poisoning (ASP) is an illness caused by consumption of shellfish that contain the marine biotoxin called domoic acid. [1] In mammals, including humans, domoic acid acts as a neurotoxin, causing permanent short-term memory loss, brain damage, and death in severe cases.
Several detection methods can be used in order to determine the concentration of saxitoxin within an organism (be it shellfish or human), both in vivo and in vitro. The most commonly used in vivo method is the mouse bioassay, which provides quantitative and qualitative data in case of a (suspected) PSP neurotoxin exposure; in vitro receptor ...
Isolated reports of scombroid food poisoning in humans caused by histamine present in the tissues of stale or rotten scombroid fish, usually tuna, have occurred over the years. In September 2016, authorities in Singapore intercepted canned tuna imported from Thailand after finding high levels of histamine. [12] No human cases were reported.
The United States Food and Drug Administration issued multiple advisories on Wednesday for oysters and clams that they say could be contaminated with norovirus, a serious gastrointestinal illness ...
The oral LD50 for humans is 5.7 μg/kg, therefore approximately 0.57 mg of saxitoxin is lethal if ingested and the lethal dose by injection is about one-tenth of that (approximately 0.6 μg/kg). The human inhalation toxicity of aerosolized saxitoxin is estimated to be 5 mg·min/m 3. Saxitoxin can enter the body via open wounds and a lethal dose ...
The mantis shrimp may be the most beautiful, talented and deadly creature in the animal kingdom. Plus, their view of the world is way better than ours. The mantis shrimp has 16 color-receptive ...
Mantis shrimp spend a majority of their lives living in burrows, reefs or crevices and generally only leave to mate or hunt for nearby food sources. Mantis shrimp act as an ecological importance ...