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Comparative study on paralytic shellfish toxin profiles of the dinoflagellate Gymnodinium catenatum from three different countries

Comparative study on paralytic shellfish toxin profiles of the dinoflagellate Gymnodinium... 227 116 116 3 3 Y. Oshima S. I. Blackburn G. M. Hallegraeff Department of Applied Biological Chemistry, Faculty of Agriculture Tohoku University Tsutsumidori Amamiya 981 Sendai Japan CSIRO Division of Fisheries Marine Laboratories GPO Box 1538 7001 Hobart Tasmani Australia Department of Plant Science University of Tasmania GPO Box 252C 7001 Hobart Tasmania Australia Abstract Paralytic shellfish toxin profiles of the dinoflagellate Gymnodinium catenatum Graham were investigated as a possible biochemical marker to distinguish different geographic populations of this species. Isolates obtained between 1986 and 1988 from Japan, Tasmania (Australia) and Galicia (Spain) were cultured under similar conditions and the toxins produced were analyzed using HPLC. Variations in temperature, salinity, and nitrate and phosphate levels in the culture medium had no significant effect on the toxin profile, suggesting that toxins can be used as a stable biochemical marker for this dinoflagellate. All the isolates produced mainly toxins of the N-sulfocarbamoyl group (C1–C4, gonyautoxins 5 and 6) but their relative abundance differed according to their geographic origin. Furthermore, only the Australian population produced the newly found 13-deoxydecarbamoyl toxins, and these could readily be used to distinguish the Australian populations from those of the other two countries. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Marine Biology Springer Journals

Comparative study on paralytic shellfish toxin profiles of the dinoflagellate Gymnodinium catenatum from three different countries

Oshima, Y.; Blackburn, S.; Hallegraeff, G.
Marine Biology , Volume 116 (3) – Jul 1, 1993
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References (22)

Publisher
Springer Journals
Copyright
Copyright © 1993 by Springer-Verlag
Subject
Life Sciences; Biomedicine general; Oceanography; Ecology; Microbiology; Zoology
ISSN
0025-3162
eISSN
1432-1793
DOI
10.1007/BF00350064
Publisher site
See Article on Publisher Site

Abstract

227 116 116 3 3 Y. Oshima S. I. Blackburn G. M. Hallegraeff Department of Applied Biological Chemistry, Faculty of Agriculture Tohoku University Tsutsumidori Amamiya 981 Sendai Japan CSIRO Division of Fisheries Marine Laboratories GPO Box 1538 7001 Hobart Tasmani Australia Department of Plant Science University of Tasmania GPO Box 252C 7001 Hobart Tasmania Australia Abstract Paralytic shellfish toxin profiles of the dinoflagellate Gymnodinium catenatum Graham were investigated as a possible biochemical marker to distinguish different geographic populations of this species. Isolates obtained between 1986 and 1988 from Japan, Tasmania (Australia) and Galicia (Spain) were cultured under similar conditions and the toxins produced were analyzed using HPLC. Variations in temperature, salinity, and nitrate and phosphate levels in the culture medium had no significant effect on the toxin profile, suggesting that toxins can be used as a stable biochemical marker for this dinoflagellate. All the isolates produced mainly toxins of the N-sulfocarbamoyl group (C1–C4, gonyautoxins 5 and 6) but their relative abundance differed according to their geographic origin. Furthermore, only the Australian population produced the newly found 13-deoxydecarbamoyl toxins, and these could readily be used to distinguish the Australian populations from those of the other two countries.

Journal

Marine Biology – Springer Journals

Published: Jul 1, 1993

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