| ostreopsis sp., a possible origin of palytoxin (ptx) in parrotfish scarus ovifrons. | a clone of toxic dinoflagellate ostreopsis sp. and six specimens of a parrotfish scarus ovifrons were collected in october 1997 at tokushima prefecture, japan. ostreopsis sp. was cultured in esm medium for 16 days, and after rearing the cell pellet (about 4.0x10(5) cells) was extracted with 50% methanol, partitioned between an aqueous layer and 1-butanol layer, and biochemically tested. similarly, the crude toxin from s. ovifrons was extracted, and tested. the mice injected with each 1-butanol l ... | 2003 | 12893058 |