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Production and Characteristics of Paralytic Shellfish Toxins in Two Species of Alexandrium

Zou Ying

Open publisher page 2 citations

Abstract

Experiments on production of PSP in batch culture of Alexandrium minutum isolated from Taiwan coastal waters (strain AMTK Ⅰ) and Alexandrium sp. isolated from Alaska coastal waters (strain KW06) were carried out. The results showed that in both cases toxin content per cell reached the peak value at the beginning of growth log phase and decreased later. The percentage of each toxin also changed during the whole growth period. Toxin in Alexandrium minutum AMTK Ⅰ includes GTX4, GTX1, GTX3 and GTX2. Only STX and trace neoSTX were found in HPLC analysis of Alexandrium sp. KW06. Toxicity in KW06 is higher than that in AMTK Ⅰ.

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What this paper is about

Experiments on production of PSP in batch culture of Alexandrium minutum isolated from Taiwan coastal waters (strain AMTK Ⅰ) and Alexandrium sp. isolated from Alaska coastal waters (strain KW06) were carried out. The results showed that in both cases toxin content per cell reached the peak value at the beginning of growth log phase and decreased later. The percentage of each toxin also changed during the whole growth period. Toxin in Alexandrium minutum AMTK Ⅰ includes GTX4, GTX1, GTX3 and GTX2. Only STX and trace neoSTX were found in HPLC analysis of Alexandrium sp. KW06. Toxicity in KW06 is higher than that in AMTK Ⅰ.

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Available abstract

Experiments on production of PSP in batch culture of Alexandrium minutum isolated from Taiwan coastal waters (strain AMTK Ⅰ) and Alexandrium sp. isolated from Alaska coastal waters (strain KW06) were carried out. The results showed that in both cases toxin content per cell reached the peak value at the beginning of growth log phase and decreased later. The percentage of each toxin also changed during the whole growth period. Toxin in Alexandrium minutum AMTK Ⅰ includes GTX4, GTX1, GTX3 and GTX2. Only STX and trace neoSTX were found in HPLC analysis of Alexandrium sp. KW06. Toxicity in KW06 is higher than that in AMTK Ⅰ.

Key concepts: Toxin, Paralytic shellfish poisoning, Biology, Shellfish poisoning, Shellfish, Saxitoxin, Strain (injury), Microbiology

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Production and Characteristics of Paralytic Shellfish Toxins in Two Species of Alexandrium — Research Paper | ScholarLens