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Solid phase adsorption toxin tracking (SPATT): a new monitoring tool that simulates the biotoxin contamination of filter feeding bivalves.
The data prove the concept and demonstrate that the technique provides a means of forecasting shellfish contamination events and predicting the net accumulation of polyether toxins by mussels, and has the potential to offer a universal early warning method for marine and freshwater micro-algae toxins.
Complex toxin profiles in phytoplankton and Greenshell mussels (Perna canaliculus), revealed by LC-MS/MS analysis.
Toxin profiles were determined in phytoplankton cell concentrates and Greenshell mussels exposed to a dinoflagellate bloom dominated by Dinophysis acuta and Protoceratium reticulatum by liquid chromatography-tandem mass spectrometry with electrospray ionisation (+/-) and monitoring of daughter ions in multiple reaction modes.
Multiresidue method for determination of algal toxins in shellfish: single-laboratory validation and interlaboratory study.
A method that uses liquid chromatography with tandem mass spectrometry (LC/MS/MS) has been developed for the highly sensitive and specific determination of amnesic shellfish poisoning toxins,
First report of homoanatoxin-a and associated dog neurotoxicosis in New Zealand.
  • S. Wood, A. Selwood, +6 authors C. Cary
  • Biology, Medicine
    Toxicon : official journal of the International…
  • 1 August 2007
Investigations led to the detection of homoanatoxin-a and anat toxin-a in cyanobacterial mats from four other rivers in the Wellington region, severely affecting recreational users and access restrictions were placed on over 60% of river catchments.
Pectenotoxin and okadaic acid-based toxin profiles in Dinophysis acuta and Dinophysis acuminata from New Zealand
Results show that the LC–MS/MS monitoring of plankton for PTX group toxins and their derivatives may provide a sensitive, semi-quantitative, indicator of the presence of more cryptic OA group toxins (e.g. PTX2 seco acid).
Pinnatoxins and spirolides in Norwegian blue mussels and seawater.
Results suggest that pinnatoxins may be much more widespread than previously suspected, and indicate that they or related compounds could be responsible for sporadic incidents of rapid-onset symptoms during mouse bioassays of shellfish in Europe and elsewhere.
Isolation, structural determination and acute toxicity of pinnatoxins E, F and G.
Examination of the toxin structures, together with analysis of environmental samples, suggests that pinnatoxins F and G are produced separately in different dinoflagellates.
Toxic dinoflagellates (Dinophyceae) from Rarotonga, Cook Islands.
Dinoflagellate species isolated from the green calcareous seaweed, Halimeda sp. J.V. Lamouroux, growing in Rarotongan lagoons, included Gambierdiscus australes Faust & Chinain, Coolia monotis
Acute toxicity of pinnatoxins E, F and G to mice.
The high oral toxicity of pinnatoxin F raises concerns as to the possibility of adverse effects of this substance in shellfish consumers, although it should be noted that no toxic effects in humans have been recorded with pinn atoxins or with any other compound of the cyclic imine group.
Widespread Distribution and Identification of Eight Novel Microcystins in Antarctic Cyanobacterial Mats
The microcystin (MC) content and cyanobacterial community structure of Antarctic microbial mat samples collected from 40 ponds, lakes, and hydroterrestrial environments were investigated and showed that in general, samples from the same geographic location tended to cluster together.