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Biodegradation of polyether algal toxins–Isolation of potential marine bacteria [PDF]

open access: yesJournal of Environmental Science and Health - Part A Toxic/Hazardous Substances and Environmental Engineering, 2010
Marine algal toxins such as brevetoxins, okadaic acid, yessotoxin, and ciguatoxin are polyether compounds. The fate of polyether toxins in the aqueous phase, particularly bacterial biotransformation of the toxins, is poorly understood. An inexpensive and easily available polyether structural analog salinomycin was used for enrichment and isolation of ...
Kathleen S Rein
exaly   +3 more sources
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Polyether Toxins Involved in Seafood Poisoning

ACS Symposium Series, 1990
Michio Murata
exaly   +2 more sources

Model Studies Directed Towards Microalga Polyether Toxins

Bulletin des Sociétés Chimiques Belges, 1990
AbstractIn view of the described results in acid‐induced polyepoxide cyclizations, the biosynthesis of fused polyether toxins may be better explained by a stepwise mechanism through oxonium ion intermediates acting on the enzyme‐bonded polyepoxide precursor.
Eleuterio Alvarez   +4 more
openaire   +2 more sources

A new polyether toxin from Davis

Tetrahedron Letters, 1982
Abstract A new ichthyotoxic toxin was isolated from the unialgal culture of the deleterious Florida red tide organism, Gymnodinium breve Davis (Syn. Ptychodiscus brevis ), and its structure was elucidated.
Hong-Nong Chou, Yuzuru Shimizu
openaire   +1 more source

Comparison of different fluorimetric HPLC methods for analysis of acidic polyether toxins in marine phytoplankton

Analytical and Bioanalytical Chemistry, 2003
The human toxic syndrome, diarrhetic shellfish poisoning (DSP), is caused by polyether toxins that are present in bivalve molluscs but originate from some species of marine phytoplankton. During the last few years different HPLC methods with fluorescence detection (FLD) have been proposed for analysis of marine toxins, including polyether toxins, in ...
Ana Gago-Martínez
exaly   +3 more sources

Geographical, Temporal, and Species Variation of the Polyether Toxins, Azaspiracids, in Shellfish

Environmental Science & Technology, 2003
Azaspiracid Poisoning (AZP) is a new toxic syndrome that has caused human intoxications throughout Europe following the consumption of mussels (Mytilus edulis), harvested in Ireland. Shellfish intoxication is a consequence of toxin-bearing microalgae in the shellfish food chain, and these studies demonstrated a wide geographic distribution of toxic ...
Ambrose, Furey   +5 more
openaire   +2 more sources

A unified stereochemical model for the polyepoxide cyclization route to marine polyether toxins

Tetrahedron Letters, 1991
Abstract A stepwise intermediacy of oxocarbenium ions of type 2 provide strong support for the feasibility of the polyepoxide approach to ortho - and spiro -condensed polyether toxins of marine origin.
Eleuterio Alvarez
exaly   +2 more sources

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