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dc.contributor.authorBustillos Guzman, Jose-
dc.contributor.authorVale, Paulo-
dc.contributor.authorBand Schmidt, Christine Johanna-
dc.description.abstractBenzoate type toxins have been described as an important component of Gymnodinium catenatum cells. In this paper we study these toxins in a G. catenatum strain isolated from the Mexican coast. A partition of the toxins was done by solid-phase extraction on a COOH cartridge and detected by HPLC coupled to fluorescence after pre-column periodate oxidation. Two groups of the hydrophobic analogues of saxitoxin were identified: those containing a sulphate group in the benzoate moiety instead of a hydroxyl group like GC1/2 or GC3 and the hydroxy-benzoate analogues, with a sulphate group at the eleventh position of the STX core present or absent (GCs-GTX and GCs-STX analogues, respectively). These toxins are more abundant, in a relative basis, when comparing with a G. catenatum toxin content isolated from Portugal. This is the first report of the presence of these toxins in a Mexican strain.es
dc.description.sponsorshipInstituto Politécnico Nacional (IPN). Centro Interdisciplinario de Ciencias Marinases
dc.subjectGymnodinium catenatumes
dc.subjecttoxinas benzoatoes
dc.titlePresence of benzoate-type toxins in Gymnodinium catenatum Graham isolated from the Mexican Pacifices
dc.description.especialidadCiencias marinases
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