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Structure of 45,46,47-trinorhomoyessotoxin, a new yessotoxin analog, from Protoceratium reticulatum which represents the first detection of a homoyessotoxin analog in Japan |
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| Authors: | Masayuki Satake Kensuke Eiki Takeshi Ichimura Sayo Ota Katsushi Sekiguchi Yasukatsu Oshima |
| Institution: | aDepartment of Applied Bioorganic Chemistry, Graduate School of Agricultural Science, Tohoku University, 1-1 Tsutsumidori-Amamiya, Aoba-ku, Sendai 981-8555, Japan bIwate Fisheries Technology Center, Kamaishi, Japan |
| Abstract: | Contamination of yessotoxin (YTX) and its analogs in shellfish has occurred worldwide and has seriously damaged shellfish industries. One of the sources of YTX has been identified the dinoflagellate Protoceratium reticulatum. A new analog of YTX, 45,46,47-trinorhomoYTX, was isolated from cultures of the dinoflagellate P. reticulatum collected at Yamada Bay, Iwate in Japan. Its structure was determined by analysis of MS and NMR experiments. This is the first isolation and confirmation of a homoYTX analog in Japan. |
| Keywords: | Homoytx Protoceratium reticulatum TrinorhomoYTX Yessotoxin (YTX) |
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