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Science 22 November 1968:
Vol. 162. no. 3856, pp. 915 - 916
DOI: 10.1126/science.162.3856.915
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Articles

Toxins of a Blue-Green Alga: Similarity to Saxitoxin

Eugene Jackim 1 and John Gentile 1

1 National Marine Water Quality Laboratory, West Kingston, Rhode Island 02892

Toxins were isolated from the freshwater blue-green alga Aphanizomenon flos-aquae. The toxic fractions were characterized by paper and thin-layer chromatography, isolation characteristics, infrared spectra, physiological activity, and reactivity with specific color reagents. The toxic fractions appear to be similar, if not identical, to saxitoxin (paralytic shellfish toxin), which is produced by the marine dinoflagellate Gonyaulax catenella.


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Science. ISSN 0036-8075 (print), 1095-9203 (online)