ln November 1992, an event affecting Shellfish health received extensive media coverage: an unknown toxin had been detected in oysters from the bay of MarennesOleron (France). This phenomenon remains unexplained to this day. Since then, a growing number of observations obtained in the context of the REPHY phytoplankton monitoring network, have reported a mouse-active substance found in Shellfish and belonging to none of the known phycotoxin classes. These observations have been reported in France as weil as abroad (Canada, Norway, Ireland, New Zealand ... ). Mice treated intraperitoneally with the DSP screening test- exhibit neurological symptoms with disorders of the central nervous system leading to early death (within 5 to 10 minutes). Several hundred... |