The blue mussel Mytilus edulis is vulnerable to the toxic dinoflagellate Karlodinium armiger: adult filtration is inhibited and several life stages killed

Sofie Bjørnholt Binzer; Regitze Benedicte Carlstedt  Lundgren; Terje Berge; Per Juel Hansen; Bent Vismann

doi:10.1371/journal.pone.0199306

The blue mussel Mytilus edulis is vulnerable to the toxic dinoflagellate Karlodinium armiger: adult filtration is inhibited and several life stages killed

Sofie Bjørnholt Binzer, Regitze Benedicte Carlstedt Lundgren, Terje Berge, Per Juel Hansen, Bent Vismann

Marine Biological Section

6 Citationer (Scopus)

81 Downloads (Pure)

Abstract

Blooms of the toxic dinoflagellates Karlodinium armiger and K. veneficum are frequently observed in Alfacs Bay, Spain, causing mass mortality to wild and farmed mussels. An isolate of K. armiger from Alfacs Bay was grown in the laboratory and exposed to adults, embryos and trochophore larvae of the blue mussel, Mytilus edulis. Adult mussels rejected to filter K. armiger at cell concentrations >1.5103 cells ml-1. Exposure of adult mussels (23– 33 mm shell length) to a range of K. armiger cell concentrations led to mussel mortality with LC50 values of 9.4103 and 6.1103 cells ml-1 after 24 and 48 h exposure to ~3.6104 K. armiger cells ml-1, respectively. Karlodinium armiger also affected mussel embryos and trochophore larvae and feeding by K. armiger on both embryos and larvae was observed under the microscope. Embryos exposed to low K. armiger cell concentrations suffered no measurable mortality. However, at higher K. armiger cell concentrations the mortality of the embryos increased significantly with cell concentration and reached 97% at 1.8103 K. armiger cells ml-1 after 29 h of exposure. Natural K. armiger blooms may not only have serious direct effects on benthic communities, but may also affect the recruitment of mussels in affected areas.

Originalsprog	Engelsk
Artikelnummer	e0199306
Tidsskrift	P L o S One
Vol/bind	13
Udgave nummer	6
Antal sider	16
ISSN	1932-6203
DOI	https://doi.org/10.1371/journal.pone.0199306
Status	Udgivet - jun. 2018

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10.1371/journal.pone.0199306

The blue mussel Mytilus edulis is vulnerable to the toxic dinoflagellate Karlodinium armigerForlagets udgivne version, 6,69 MB

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The blue mussel Mytilus edulis is vulnerable to the toxic dinoflagellate Karlodinium armiger : adult filtration is inhibited and several life stages killed. / Binzer, Sofie Bjørnholt; Lundgren, Regitze Benedicte Carlstedt ; Berge, Terje et al.

I: P L o S One, Bind 13, Nr. 6, e0199306, 06.2018.

Publikation: Bidrag til tidsskrift › Tidsskriftartikel › Forskning › peer review

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abstract = "Blooms of the toxic dinoflagellates Karlodinium armiger and K. veneficum are frequently observed in Alfacs Bay, Spain, causing mass mortality to wild and farmed mussels. An isolate of K. armiger from Alfacs Bay was grown in the laboratory and exposed to adults, embryos and trochophore larvae of the blue mussel, Mytilus edulis. Adult mussels rejected to filter K. armiger at cell concentrations >1.5103 cells ml-1. Exposure of adult mussels (23– 33 mm shell length) to a range of K. armiger cell concentrations led to mussel mortality with LC50 values of 9.4103 and 6.1103 cells ml-1 after 24 and 48 h exposure to ~3.6104 K. armiger cells ml-1, respectively. Karlodinium armiger also affected mussel embryos and trochophore larvae and feeding by K. armiger on both embryos and larvae was observed under the microscope. Embryos exposed to low K. armiger cell concentrations suffered no measurable mortality. However, at higher K. armiger cell concentrations the mortality of the embryos increased significantly with cell concentration and reached 97% at 1.8103 K. armiger cells ml-1 after 29 h of exposure. Natural K. armiger blooms may not only have serious direct effects on benthic communities, but may also affect the recruitment of mussels in affected areas.",

author = "Binzer, {Sofie Bj{\o}rnholt} and Lundgren, {Regitze Benedicte Carlstedt} and Terje Berge and Hansen, {Per Juel} and Bent Vismann",

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AU - Binzer, Sofie Bjørnholt

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AU - Berge, Terje

AU - Hansen, Per Juel

AU - Vismann, Bent

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N2 - Blooms of the toxic dinoflagellates Karlodinium armiger and K. veneficum are frequently observed in Alfacs Bay, Spain, causing mass mortality to wild and farmed mussels. An isolate of K. armiger from Alfacs Bay was grown in the laboratory and exposed to adults, embryos and trochophore larvae of the blue mussel, Mytilus edulis. Adult mussels rejected to filter K. armiger at cell concentrations >1.5103 cells ml-1. Exposure of adult mussels (23– 33 mm shell length) to a range of K. armiger cell concentrations led to mussel mortality with LC50 values of 9.4103 and 6.1103 cells ml-1 after 24 and 48 h exposure to ~3.6104 K. armiger cells ml-1, respectively. Karlodinium armiger also affected mussel embryos and trochophore larvae and feeding by K. armiger on both embryos and larvae was observed under the microscope. Embryos exposed to low K. armiger cell concentrations suffered no measurable mortality. However, at higher K. armiger cell concentrations the mortality of the embryos increased significantly with cell concentration and reached 97% at 1.8103 K. armiger cells ml-1 after 29 h of exposure. Natural K. armiger blooms may not only have serious direct effects on benthic communities, but may also affect the recruitment of mussels in affected areas.

AB - Blooms of the toxic dinoflagellates Karlodinium armiger and K. veneficum are frequently observed in Alfacs Bay, Spain, causing mass mortality to wild and farmed mussels. An isolate of K. armiger from Alfacs Bay was grown in the laboratory and exposed to adults, embryos and trochophore larvae of the blue mussel, Mytilus edulis. Adult mussels rejected to filter K. armiger at cell concentrations >1.5103 cells ml-1. Exposure of adult mussels (23– 33 mm shell length) to a range of K. armiger cell concentrations led to mussel mortality with LC50 values of 9.4103 and 6.1103 cells ml-1 after 24 and 48 h exposure to ~3.6104 K. armiger cells ml-1, respectively. Karlodinium armiger also affected mussel embryos and trochophore larvae and feeding by K. armiger on both embryos and larvae was observed under the microscope. Embryos exposed to low K. armiger cell concentrations suffered no measurable mortality. However, at higher K. armiger cell concentrations the mortality of the embryos increased significantly with cell concentration and reached 97% at 1.8103 K. armiger cells ml-1 after 29 h of exposure. Natural K. armiger blooms may not only have serious direct effects on benthic communities, but may also affect the recruitment of mussels in affected areas.

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