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Putative Palytoxin and Its New Analogue, Ovatoxin-a, in Ostreopsis ovata Collected Along the Ligurian Coasts During the 2006 Toxic Outbreak
- Source :
-
Journal of the American Society for Mass Spectrometry . Jan2008, Vol. 19 Issue 1, p111-120. 10p. - Publication Year :
- 2008
-
Abstract
- In this article we report on the liquid chromatography tandem mass spectrometry (LC-MS) investigation of plankton samples collected in the summer of 2006 along the Ligurian coasts, coinciding with a massive bloom of the tropical microalga Ostreopsis ovata. LC-MS analyses indicated the occurrence of putative palytoxin along with a much more abundant palytoxin-like compound never reported so far, which we named ovatoxin-a. On the basis of molecular formula, fragmentation pattern, and chromatographic behavior, the structure of ovatoxin-a appeared to be strictly related to that of palytoxin. We report also on the analysis of cultured O. ovata, which was necessary to unequivocally demonstrate that putative palytoxin and ovatoxin-a contained in field samples were actually produced by O. ovata itself. [Copyright &y& Elsevier]
Details
- Language :
- English
- ISSN :
- 10440305
- Volume :
- 19
- Issue :
- 1
- Database :
- Academic Search Index
- Journal :
- Journal of the American Society for Mass Spectrometry
- Publication Type :
- Academic Journal
- Accession number :
- 28611976
- Full Text :
- https://doi.org/10.1016/j.jasms.2007.11.001