Results 71 to 80 of about 7,054 (253)

Neurotoxins from Marine Dinoflagellates: A Brief Review

Marine Drugs, 2008
Dinoflagellates are not only important marine primary producers and grazers, but also the major causative agents of harmful algal blooms. It has been reported that many dinoflagellate species can produce various natural toxins.
Da-Zhi Wang
doaj  

An Overview on the Marine Neurotoxin, Saxitoxin: Genetics, Molecular Targets, Methods of Detection and Ecological Functions

Marine Drugs, 2013
Marine neurotoxins are natural products produced by phytoplankton and select species of invertebrates and fish. These compounds interact with voltage-gated sodium, potassium and calcium channels and modulate the flux of these ions into various cell types.
Gary S. Sayler, Kathleen D. Cusick
doaj   +1 more source

Saxitoxin Linked to Deaths of Northern Fur Seals in the Southeast Bering Sea

Marine Mammal Science, Volume 41, Issue 4, October 2025.
ABSTRACT In August 2024, a northern fur seal mortality event was observed on St. Paul Island, AK in the southeast (SE) Bering Sea. Ten seals in good body condition were found dead along with large accumulations of dead fish on Benson Beach located on St. Paul Island.
Kathi A. Lefebvre, Chelsea M. Campbell, Lauren M. Divine, Paul Melovidov, Hanna Hellen, Kathy Burek Huntington, Emily K. Bowers, Natalie Rouse, Evangeline Fachon, Thomas J. Farrugia, Robert S. Pickart, Peigen Lin, Lorely Lago, Frank Bahr, Emmanuelle Furst, Colleen G. Duncan, Patrick Charapata, Donald M. Anderson, Gulce Kurtay   +18 more
wiley   +1 more source

Influence of a Tribally Led Children's Environmental Education Program on Shellfish Harvesting Beliefs and Behavioral Intentions

Community Science, Volume 4, Issue 3, September 2025.
Abstract To increase the understanding of shellfish toxin risks and support safe harvesting practices, the Sitka Tribe of Alaska develops and organizes environmental education programs. This study (ClinicalTrials.gov ID: NCT05247229) evaluates the Tribe's new middle school program, drawing on the theory of planned behavior to investigate pre‐post ...
Hugh B. Roland, Jacob Kohlhoff, Travis R. Moore, Kari Lanphier, Lindsey Pierce, Julian Narvaez, Aissa Yazzie, Christopher Whitehead, Jeff Feldpausch, Matthew O. Gribble   +9 more
wiley   +1 more source

Diet in Pregnancy: A Review of Current Challenges and Recommendations. A British Nutrition Foundation Briefing Paper

Nutrition Bulletin, Volume 50, Issue 3, Page 365-410, September 2025.
ABSTRACT Pregnancy is a crucial period during which maternal nutrition, weight and lifestyle behaviours have a direct impact on both maternal and fetal health. This briefing paper describes dietary and lifestyle recommendations for women during the preconceptional period and throughout pregnancy, identifying specific factors that can be modified to ...
Kathryn H. Hart, Alyson J. Hill, Javier T. Gonzalez, Anne de la Hunty, Alison M. Gallagher, Sara A. Stanner   +5 more
wiley   +1 more source

Latitudinal Differentiation in the Effects of the Toxic Dinoflagellate Alexandrium spp. on the Feeding and Reproduction of Populations of the Copepod Acartia Hudsonica [PDF]

, 2002
Blooms of the dinoflagellate Alexandrium spp. increase in their frequency, toxicity and historical presence with increasing latitude from New Jersey (USA) to the Gaspé peninsula (Canada).
Colin, Sean, Dam, Hans G.
core   +2 more sources

The Chemistry and Biology of the Tetrodotoxin Natural Product Family

Angewandte Chemie International Edition, Volume 64, Issue 35, August 25, 2025.
Tetrodotoxin is best known as the poison of the pufferfish, which is a delicacy in Japanese cuisine. Its toxicity arises from the selective blockage of NaV channels, which is depicted for the NaV1.7 pore, highlighting the DEKA motif, which permeates sodium ions.
Benedikt Nißl, Marcel Mülbaier, Francesca Grisoni, Dirk Trauner, Marcel Bermúdez, Clemens Dialer, David B. Konrad   +6 more
wiley   +1 more source

Toxin Levels and Profiles in Microalgae from the North-Western Adriatic Sea—15 Years of Studies on Cultured Species

Marine Drugs, 2012
The Northern Adriatic Sea is the area of the Mediterranean Sea where eutrophication and episodes related to harmful algae have occurred most frequently since the 1970s.
Elena Riccardi, Monica Cangini, Silvia Pigozzi, Marinella Pompei, Luciana Tartaglione, Anna Milandri, Ernesto Fattorusso, Martino Forino, Carmela Dell’Aversano, Patrizia Ciminiello, Silvana Vanucci, Manuela Riccardi, Laura Pezzolesi, Franca Guerrini, Rossella Pistocchi   +14 more
doaj   +1 more source

First Report of Paralytic Shellfish Toxins in Marine Invertebrates and Fish in Spain

Toxins, 2020
A paralytic shellfish poisoning (PSP) episode developed in summer 2018 in the Rías Baixas (Galicia, NW Spain). The outbreak was associated with an unprecedentedly intense and long-lasting harmful algal bloom (HAB) (~one month) caused by the ...
Begoña Ben-Gigirey, Araceli E. Rossignoli, Pilar Riobó, Francisco Rodríguez   +3 more
doaj   +1 more source

Training manual on phytoplankton identification/taxonomy [PDF]

, 2007
The term 'plankton' was coined by Victor Hensen in 1887, denotes collectively all free floating and suspended bodies, both plants and animals, living or dead, that essentially move passively in a body of water.
Gopinathan, C P, Kaladharan, P, Prema, D, Rajagopalan, M   +3 more
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