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Production of tetrodotoxin in puffer fish embryos

Environmental Toxicology and Pharmacology, 1998
It has been accepted that puffer fish accumulates tetrodotoxin through the food chain. This indicates that tetrodotoxin in puffer fish is exogenous. The present study, however, describes an endogenous origin of tetrodotoxin in puffer fish. For this purpose, the ovulated oocytes from puffer fish Fugu niphobles were artificially fertilized and cultivated.
exaly   +3 more sources

Occurrence of saxitoxin in puffer fish

Toxicon, 1984
Three species of puffer fish, Takifugu poecilonotus, T. vermicularis and T. radiatus, were examined for the presence of toxic components other than tetrodotoxin. Saxitoxin, a paralytic shellfish toxin, was found in the livers, ovaries and digestive tracts of the first two species but not in the last species.
M, Nakamura, Y, Oshima, T, Yasumoto
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Tetrodotoxin derivatives in puffer fish

Toxicon, 1985
Analysis of puffer fish tissue extracts by a fluorometric tetrodotoxin analyzer revealed the presence of three tetrodotoxin derivatives besides tetrodotoxin. The derivatives were isolated and identified as tetrodonic acid, 4-epitetrodotoxin and anhydrotetrodotoxin on the basis of mass spectral and 1H NMR measurements.
M, Nakamura, T, Yasumoto
openaire   +2 more sources

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