Results 51 to 60 of about 1,793 (174)

Paralytic shellfish toxins (PSTs) and tetrodotoxin (TTX) of Korean pufferfish

Fisheries and Aquatic Sciences, 2021
Paralytic shellfish toxins (PSTs) and tetrodotoxin (TTX) are neurotoxins that display pharmacological activity that is similar to that of specific sodium channel blockers; they are the principle toxins involved in ...
Ka Jeong Lee, Kwang Soo Ha, Yeoun Joong Jung, Jong Soo Mok, Kwang Tae Son, Hee Chung Lee, Ji Hoe Kim   +6 more
doaj   +1 more source

Changing Trends in Paralytic Shellfish Poisonings Reflect Increasing Sea Surface Temperatures and Practices of Indigenous and Recreational Harvesters in British Columbia, Canada

Marine Drugs, 2021
Paralytic shellfish poisoning (PSP) occurs when shellfish contaminated with saxitoxin or equivalent paralytic shellfish toxins (PSTs) are ingested. In British Columbia, Canada, documented poisonings are increasing in frequency based on 62 investigations ...
Lorraine McIntyre, Aroha Miller, Tom Kosatsky   +2 more
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

Quantitation of diarrhetic shellfish poisoning toxins in Chilean Mussel using pyrenyldiazomethane as fluorescent labeling reagent

Biological Research, 2003
Diarrhetic shellfish poisoning (DSP) is a gastrointestinal disease caused by lipid soluble polyether toxins produced by dinoflagellates and accumulated in shellfish.
CARLOS GARCÍA, PAULO PEREIRA, LUIS VALLE, NÉSTOR LAGOS   +3 more
doaj  

Structural basis for divergent C–H hydroxylation selectivity in two Rieske oxygenases

Nature Communications, 2020
Rieske oxygenases are iron-dependent enzymes that catalyse C–H mono- and dihydroxylation reactions. Here, the authors characterise two cyanobacterial Rieske oxygenases, SxtT and GxtA that are involved in the biosynthesis of paralytic shellfish toxins and
April L. Lukowski, Jianxin Liu, Jennifer Bridwell-Rabb, Alison R. H. Narayan   +3 more
doaj   +1 more source

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

A Critical Overview of Common Foodborne Toxicants and Methods for Their Reliable Detection

Food Frontiers, Volume 6, Issue 4, Page 1658-1700, July 2025.
ABSTRACT Food is an essential commodity for human health. However, toxicants such as mycotoxins, heavy metals, acrylamide, and pesticides can be present in food either naturally or through processing, packaging, or some anthropogenic activities. A thorough review of carefully selected studies revealed that climate change and pandemics have led to an ...
Betty Bowe Acquah, John‐Lewis Zinia Zaukuu   +1 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