Results 31 to 40 of about 979 (114)

Limnological Differences in a Two-Basin Lake Help to Explain the Occurrence of Anatoxin-a, Paralytic Shellfish Poisoning Toxins, and Microcystins

Toxins, 2020
Chautauqua Lake, New York, is a two-basin lake with a deeper, cooler, and less nutrient-rich Northern Basin, and a warmer, shallower, nutrient-replete Southern Basin.
Zacharias J. Smith, Douglas E. Conroe, Kimberly L. Schulz, Gregory L. Boyer   +3 more
doaj   +1 more source

Development of a High‐Sensitivity Electrochemical Biosensor for Domoic Acid and Its Cellular Impact on Human Stem and Neuron‐Like Cells

Food Science &Nutrition, Volume 14, Issue 5, May 2026.
Integrated workflow of domoic acid (DA) detection in seafood using a high‐sensitivity electrochemical biosensor and subsequent evaluation of DA‐induced cellular responses. (A) DA monitoring in seafood: Marine samples (European anchovy and mussels from the Marmara and Black Sea) were collected, extracted using a 1:1 methanol/water mixture, and analyzed ...
Emilia Qomi Ekenel, Yucel Koc, Burcugul Altug, Merve Nur Soykan, Bahar Demir Cevizlidere, Sibel Gunes Bagis, Onur Uysal, Tugba Semerci Sevimli, Murat Sevimli, Ayla Eker Sariboyaci, Huseyin Avci   +10 more
wiley   +1 more source

Fusing Multi‐ and Hyperspectral Satellite Data for Harmful Algal Bloom Monitoring With Self‐Supervised and Hierarchical Deep Learning

Earth and Space Science, Volume 13, Issue 5, May 2026.
Abstract We present a self‐supervised machine learning framework for detecting and mapping the severity and speciation of harmful algal blooms (HABs) using multi‐sensor satellite data. By fusing reflectance data from operational polar‐orbiting satellite‐based instruments (VIIRS, MODIS, OLCI, and OCI) with TROPOMI solar‐induced fluorescence (SIF), our ...
Nicholas J. LaHaye, Kelly M. Luis, Michelle M. Gierach   +2 more
wiley   +1 more source

Diatoms–copepods: An evolutionary arms race

Limnology and Oceanography, Volume 71, Issue 4, April 2026.
Abstract Diatoms and copepods are dominating and diverse groups of phytoplankton and zooplankton, respectively. Diatoms account for 25–40% of ocean primary production, and their main predators, copepods, are arguably the most abundant group of metazoans in the ocean, typically accounting for ~ 80% of zooplankton biomass.
Thomas Kiørboe, Fredrik Ryderheim
wiley   +1 more source

Paralytic shellfish toxin content is related to genomic sxtA4 copy number in Alexandrium minutum strains

Frontiers in Microbiology, 2015
Dinoflagellates are microscopic aquatic eukaryotes with huge genomes and an unusual cell regulation. For example, most genes are present in numerous copies and all copies seem to be obligatorily transcribed.
Anke eStüken, Pilar eRiobó, José eFranco, Kjetill Sigurd Jakobsen, Laure eGuillou, Laure eGuillou, Rosa Isabel Figueroa, Rosa Isabel Figueroa   +7 more
doaj   +1 more source

Predicting Karenia brevis Induced Respiratory Irritation at Individual Southwest Florida Beaches Using Cell Abundances Plus Wind Direction and Speed

GeoHealth, Volume 10, Issue 4, April 2026.
Abstract Nearly annually, blooms of the dinoflagellate Karenia brevis form along the southwest Florida coast leading to a variety of negative impacts, including respiratory irritation (RI) in humans. To limit these impacts, NOAA's National Centers for Coastal Ocean Science (NCCOS) developed a RI model to provide beach‐goers with a category‐based ...
K. M. Collins, A. G. Hounshell, B. Kirkpatrick, A. Cook, K. A. Hubbard, M. C. Tomlinson, R. P. Stumpf   +6 more
wiley   +1 more source

Ladder-Shaped Ion Channel Ligands: Current State of Knowledge

Marine Drugs, 2017
Ciguatoxins (CTX) and brevetoxins (BTX) are polycyclic ethereal compounds biosynthesized by the worldwide distributed planktonic and epibenthic dinoflagellates of Gambierdiscus and Karenia genera, correspondingly.
Yuri B. Shmukler, Denis A. Nikishin
doaj   +1 more source

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  

Exploring the binding potential of natural compounds to carbonic anhydrase of cyanobacteria through computer-based simulations

Discover Applied Sciences
Cyanobacteria in water bodies cause harmful cyanobacterial blooms, releasing toxins that degrade water quality and cause health issues. Common Harmful Algal Bloom-related disorders (HABs) include neurotoxic shellfish poisoning, ciguatera poisoning ...
Archana Padhiary, Showkat Ahmad Mir, Aiswarya Pati, Binata Nayak   +3 more
doaj   +1 more source

Fast and Sensitive Method for Determination of Domoic Acid in Mussel Tissue

The Scientific World Journal, 2016
Domoic acid (DA), a neurotoxic amino acid produced by diatoms, is the main cause of amnesic shellfish poisoning (ASP). In this work, we propose a very simple and fast analytical method to determine DA in mussel tissue.
Elena Barbaro, Roberta Zangrando, Carlo Barbante, Andrea Gambaro   +3 more
doaj   +1 more source