Induction of domoic acid production in the toxic diatom Pseudo-nitzschia seriata by calanoid copepods
The toxic diatom Pseudo-nitzschia seriata was exposed directly and indirectly (separated by a membrane)to copepods, Calanus hyperboreus and C. finmarchicus, to evaluate the effects of the copepods on domoicacid production and chain formation in P. seriata. The toxicity of P. seriata increased in the...
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ftawi:oai:epic.awi.de:36908 2023-05-15T15:48:06+02:00 Induction of domoic acid production in the toxic diatom Pseudo-nitzschia seriata by calanoid copepods Tammilehto, Anna Nielsen, Torkel Gissel Krock, Bernd Møller, Eva Friis Lundholm, Nina 2015-02 application/pdf https://epic.awi.de/id/eprint/36908/ https://epic.awi.de/id/eprint/36908/1/Tammilehto_2015.pdf https://hdl.handle.net/10013/epic.44748 https://hdl.handle.net/10013/epic.44748.d001 unknown ELSEVIER SCIENCE BV https://epic.awi.de/id/eprint/36908/1/Tammilehto_2015.pdf https://hdl.handle.net/10013/epic.44748.d001 Tammilehto, A. , Nielsen, T. G. , Krock, B. orcid:0000-0003-4022-9101 , Møller, E. F. and Lundholm, N. (2015) Induction of domoic acid production in the toxic diatom Pseudo-nitzschia seriata by calanoid copepods , Aquatic Toxicology, 159 , pp. 52-61 . doi:10.1016/j.aquatox.2014.11.026 <https://doi.org/10.1016/j.aquatox.2014.11.026> , hdl:10013/epic.44748 EPIC3Aquatic Toxicology, ELSEVIER SCIENCE BV, 159, pp. 52-61, ISSN: 0166-445X Article isiRev 2015 ftawi https://doi.org/10.1016/j.aquatox.2014.11.026 2021-12-24T15:40:06Z The toxic diatom Pseudo-nitzschia seriata was exposed directly and indirectly (separated by a membrane)to copepods, Calanus hyperboreus and C. finmarchicus, to evaluate the effects of the copepods on domoicacid production and chain formation in P. seriata. The toxicity of P. seriata increased in the presence ofthe copepods. This response was chemically mediated without physical contact between the organismssuggesting that it was induced by potential waterborne cues from the copepods or changes in waterchemistry. Domoic acid production may be related to defense against grazing in P. seriata although it wasnot shown in the present study. To evaluate if the induction of domoic acid production was mediatedby the chemical cues from damaged P. seriata cells, live P. seriata cells were exposed to a P. seriata cellhomogenate, but no effect was observed. Chain formation in P. seriata was affected only when in directcontact with the copepods. This study suggests that the presence of zooplankton may be one of the factorsaffecting the toxicity of Pseudo-nitzschia blooms in the field. Article in Journal/Newspaper Calanus hyperboreus Copepods Alfred Wegener Institute for Polar- and Marine Research (AWI): ePIC (electronic Publication Information Center) Aquatic Toxicology 159 52 61 |
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Open Polar |
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Alfred Wegener Institute for Polar- and Marine Research (AWI): ePIC (electronic Publication Information Center) |
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ftawi |
language |
unknown |
description |
The toxic diatom Pseudo-nitzschia seriata was exposed directly and indirectly (separated by a membrane)to copepods, Calanus hyperboreus and C. finmarchicus, to evaluate the effects of the copepods on domoicacid production and chain formation in P. seriata. The toxicity of P. seriata increased in the presence ofthe copepods. This response was chemically mediated without physical contact between the organismssuggesting that it was induced by potential waterborne cues from the copepods or changes in waterchemistry. Domoic acid production may be related to defense against grazing in P. seriata although it wasnot shown in the present study. To evaluate if the induction of domoic acid production was mediatedby the chemical cues from damaged P. seriata cells, live P. seriata cells were exposed to a P. seriata cellhomogenate, but no effect was observed. Chain formation in P. seriata was affected only when in directcontact with the copepods. This study suggests that the presence of zooplankton may be one of the factorsaffecting the toxicity of Pseudo-nitzschia blooms in the field. |
format |
Article in Journal/Newspaper |
author |
Tammilehto, Anna Nielsen, Torkel Gissel Krock, Bernd Møller, Eva Friis Lundholm, Nina |
spellingShingle |
Tammilehto, Anna Nielsen, Torkel Gissel Krock, Bernd Møller, Eva Friis Lundholm, Nina Induction of domoic acid production in the toxic diatom Pseudo-nitzschia seriata by calanoid copepods |
author_facet |
Tammilehto, Anna Nielsen, Torkel Gissel Krock, Bernd Møller, Eva Friis Lundholm, Nina |
author_sort |
Tammilehto, Anna |
title |
Induction of domoic acid production in the toxic diatom Pseudo-nitzschia seriata by calanoid copepods |
title_short |
Induction of domoic acid production in the toxic diatom Pseudo-nitzschia seriata by calanoid copepods |
title_full |
Induction of domoic acid production in the toxic diatom Pseudo-nitzschia seriata by calanoid copepods |
title_fullStr |
Induction of domoic acid production in the toxic diatom Pseudo-nitzschia seriata by calanoid copepods |
title_full_unstemmed |
Induction of domoic acid production in the toxic diatom Pseudo-nitzschia seriata by calanoid copepods |
title_sort |
induction of domoic acid production in the toxic diatom pseudo-nitzschia seriata by calanoid copepods |
publisher |
ELSEVIER SCIENCE BV |
publishDate |
2015 |
url |
https://epic.awi.de/id/eprint/36908/ https://epic.awi.de/id/eprint/36908/1/Tammilehto_2015.pdf https://hdl.handle.net/10013/epic.44748 https://hdl.handle.net/10013/epic.44748.d001 |
genre |
Calanus hyperboreus Copepods |
genre_facet |
Calanus hyperboreus Copepods |
op_source |
EPIC3Aquatic Toxicology, ELSEVIER SCIENCE BV, 159, pp. 52-61, ISSN: 0166-445X |
op_relation |
https://epic.awi.de/id/eprint/36908/1/Tammilehto_2015.pdf https://hdl.handle.net/10013/epic.44748.d001 Tammilehto, A. , Nielsen, T. G. , Krock, B. orcid:0000-0003-4022-9101 , Møller, E. F. and Lundholm, N. (2015) Induction of domoic acid production in the toxic diatom Pseudo-nitzschia seriata by calanoid copepods , Aquatic Toxicology, 159 , pp. 52-61 . doi:10.1016/j.aquatox.2014.11.026 <https://doi.org/10.1016/j.aquatox.2014.11.026> , hdl:10013/epic.44748 |
op_doi |
https://doi.org/10.1016/j.aquatox.2014.11.026 |
container_title |
Aquatic Toxicology |
container_volume |
159 |
container_start_page |
52 |
op_container_end_page |
61 |
_version_ |
1766383112461221888 |