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Toxins of the gonyaulax sp. and infested bivalves in owase bay.

DOIFull Paper Access

34

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0

References

1976

Year

Yasukatsu Oshima, William E. Fallon, Yuzuru Shimizu, Tamao Noguchi, Yoshiro HASHIMOTO
NIPPON SUISAN GAKKAISHI

Abstract

The algal specimens, mussels and short-necked clams were collected during or im-mediately after the outbreak of Gonyaulax sp. at Owase Bay in 1975. Extraction and purification of the toxins were carried out according to the method used for the isolation of the toxins in softshell clams and cultured G. tamarensis. By a combination of Sephadex G-15, Bio-Gel P-2 and Bio-Rex 70 column chromatography, six toxins were isolated from each specimen. Of these, five were identified as saxitoxin, GTX1, GTX1', GTX2, and GTX3, respectively, which were found in G. tamarensis. The major toxin JGXI was found to be a new one.