"Palytoxin (PLTX) is a toxic compound initially isolated from marine soft corals of the genus Palythoa but also produced by tropical benthic dinoflagellates from Ostreopsis genus. This toxin has been involved in human poisoning after the ingestion of food contaminated, but also skin irritations and respiratory effects by contact with contaminated spray seawater have been reported. The PLTX-group of toxins includes complex polyhydroxylated compounds with a lipophilic and a hydrophilic area. Different molecules related with the PLYX structure have been described: palytoxin-b, homopalytoxin, bishomopalytoxin, neopalytoxin, deoxypalytoxin, 42-hydroxypalytoxin, ostreocin-d, ovatoxin-a, -b,-c,-d, -e and -f and mascarenotoxin -a, -b and -c. However only the chemical structures of PLTX, ostreocin-d, ovatoxin-a and 42-hydroxypalytoxin have been characterized. PLTX is a large molecule, with a molecular weight of 2659-2680 daltons depending on the origin.
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Last date updated on July, 2014