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Does the pinnatoxin-producing dinoflagellate, Vulcanodinium rugosum, comprise a species complex?

Citation

Smith, K and Rhodes, L and Selwood, A and Hallegraeff, G and Suda, S and Gu, H, Does the pinnatoxin-producing dinoflagellate, Vulcanodinium rugosum, comprise a species complex?, Proceedings of the 15th International Conference on Harmful Algae, 29 October - 2 November 2012, Changwon, Korea, pp. 141-144. ISBN 978-87-990827-4-2 (2014) [Refereed Conference Paper]


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Copyright 2014 Elsevier

Abstract

Pinnatoxins are members of the toxic cyclic imine group and were first characterized over two decades ago. However, the dinoflagellate producer of pinnatoxins was not known until 2011 when cultured from sediment samples in New Zealand. The causative species, Vulcanodinium rugosum Nezan & Chomerat, was described in 2011 from a bloom sample from a Mediterranean lagoon. V. rugosum has now been recorded around the world including Australia, New Zealand, Japan, China, Hawaii and Europe. V. rugosum strains of various origins produce different pinnatoxins and also differ from each other in partial large subunit rDNA and internal transcribed spacer regions suggesting the existence of a species complex. This study sought to determine the status of this species by combining DNA sequence data, morphological characteristics, mating experiments and toxin profiles from strains originating from five geographical locations.

Item Details

Item Type:Refereed Conference Paper
Keywords:pinnatoxin producing dinoflagellate complex
Research Division:Biological Sciences
Research Group:Plant Biology
Research Field:Phycology (incl. Marine Grasses)
Objective Division:Animal Production and Animal Primary Products
Objective Group:Fisheries - Aquaculture
Objective Field:Fisheries - Aquaculture not elsewhere classified
Author:Hallegraeff, G (Professor Gustaaf Hallegraeff)
ID Code:96381
Year Published:2014
Deposited By:IMAS Research and Education Centre
Deposited On:2014-11-03
Last Modified:2016-04-27
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