Occurrence ofAlexandrium cohorticula in Japanese coastal water |
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| Authors: | Takehiko Ogata Pornsilp Pholpunthin Yasuwo Fukuyo Masaaki Kodama |
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| Affiliation: | 1. Laboratory of Marine Biological Chemistry, School of Fisheries Sciences, Kitasato University, Sanriku, Iwate, 022-01, Japan
2. Laboratory of Fisheries Oceanography, Faculty of Agriculture, The University of Tokyo, Tokyo, 113, Japan
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| Abstract: | Two clones ofAlexandrium cohorticula were isolated at Aburatsubo, Sagami Bay, Japan. Cultured cells of both contained high amounts of paralytic shellfish toxins. The toxicity of these isolates was comparable with that of highly toxic Thai clones. No significant difference in toxin components or their proportions was observed between Japanese and Thai strains. The optimum growth temperature of both strains was around 25 °C. Japanese strains survived at 15 °C, whereas Thai strains did not; the latter grew faster than the former at 30 °C. |
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