Results 51 to 60 of about 814 (164)

Sublethal exposure of eastern oyster Crassostrea virginica to the goniodomin‐producing dinoflagellate Alexandrium monilatum: Fate of toxins, histopathology, and gene expression

Journal of Aquatic Animal Health, Volume 36, Issue 4, Page 374-394, December 2024.
Abstract Objective The dinoflagellate Alexandrium monilatum forms blooms during summer in tributaries of the lower Chesapeake Bay. Questions persist about the potential for A. monilatum to negatively affect aquatic organisms. Its main toxin, goniodomin A (GDA), a polyketide macrolide, has been shown to have adverse effects on animals, for example ...
Sylvain Gaillard, Hamish J. Small, Ryan B. Carnegie, Thomas M. Harris, Simon Tanniou, Damien Réveillon, Philipp Hess, Kimberly S. Reece   +7 more
wiley   +1 more source

Temporal Prediction of Paralytic Shellfish Toxins in the Mussel Mytilus galloprovincialis Using a LSTM Neural Network Model from Environmental Data

Toxins, 2022
Paralytic shellfish toxins (PSTs) are produced mainly by Alexandrium catenella (formerly A. tamarense). Since 2000, the National Institute of Fisheries Science (NIFS) has been providing information on PST outbreaks in Korean coastal waters at one- or two-
Jisun Shin, Soo Mee Kim
doaj   +1 more source

Assessing methods for detecting Alexandrium catenella (Dinophyceae) and paralytic shellfish toxins in Southeast Alaska

Integrated Environmental Assessment and Management, Volume 20, Issue 6, Page 2189-2202, November 2024.
Abstract Blooms of Alexandrium catenella threaten to disrupt subsistence, recreational, and commercial shellfish harvest in Alaska, as the paralytic shellfish toxins (PSTs) produced pose a serious public health risk and can lead to costly shutdowns for shellfish farmers.
Juliana C. Cornett, Rebecca J. Cates, Kimberly J. Ledger, Cody W. Pinger, Courtney E. Hart, Katherine R. Laboda, Wesley A. Larson, Jordan A. Hollarsmith   +7 more
wiley   +1 more source

A Stable-Isotope Mass Spectrometry-Based Metabolic Footprinting Approach to Analyze Exudates from Phytoplankton

Marine Drugs, 2013
Phytoplankton exudates play an important role in pelagic ecology and biogeochemical cycles of elements. Exuded compounds fuel the microbial food web and often encompass bioactive secondary metabolites like sex pheromones, allelochemicals, antibiotics, or
Mark R. Viant, Ulf Sommer, Ralf J. M. Weber, Erik Selander   +3 more
doaj   +1 more source

Allelopathic potential of the dinoflagellate Alexandrium tamarense on marine microbial communities

Harmful Algae, 2010
Phytoplankton produce allelochemicals; excreted chemical substances that are affecting other microorganisms in their direct environment.In my thesis, I investigated strain specific variability in the expression of allelochemicals of the harmful flagellate Prymnesium parvum, that is euryhaline but mainly bloom forming in brackish water.
Weissbach, Astrid, Tillmann, Urban, Legrand, Catherine   +2 more
openaire   +4 more sources

Importance of integrating mixoplankton into marine ecosystem policy and management—Examples from the Marine Strategy Framework Directive

Integrated Environmental Assessment and Management, Volume 20, Issue 5, Page 1366-1383, September 2024.
Abstract Marine plankton capable of photosynthesis and predation (“mixoplankton”) comprise up to 50% of protist plankton and include many harmful species. However, marine environmental management policies, including the European Union Marine Strategy Framework Directive (MSFD) and the USEPA, assume a strict dichotomy between autotrophic phytoplankton ...
Anna‐Adriana Anschütz, Maira Maselli, Claudia Traboni, Arjen R. Boon, Willem Stolte   +4 more
wiley   +1 more source

Episodios de toxicidad en moluscos de aguas marinas costeras de la Provincia de Buenos Aires (Argentina) asociados a algas toxígenas (marzo de 2008-marzo de 2013)

Boletín de la Sociedad Argentina de Botánica, 2014
A partir de un monitoreo de microalgas toxígenas y toxinas en moluscos iniciado en 2008, llevado a cabo entre San Clemente del Tuyú y Mar Azul (Zona Norte) y en la Bahía Anegada (Zona Sur) de la Provincia de Buenos Aires fueron registrados cuatro brotes ...
Inés Sunesen, Andrea S. Lavigne, Alejandra Goya, Eugenia A. Sar   +3 more
doaj   +1 more source

Effects of bottom‐up factors on growth and toxin content of a harmful algae bloom dinoflagellate

Limnology and Oceanography, Volume 69, Issue 6, Page 1335-1349, June 2024.
Abstract The toxin‐producing dinoflagellate Alexandrium pseudogonyaulax has become increasingly abundant in northern European waters, replacing other Alexandrium species. A. pseudogonyaulax produces goniodomins and lytic substances, which can be cytotoxic toward other organisms, including fish, but we still know little about the environmental ...
Kristof Möller, Silke Thoms, Urban Tillmann, Bernd Krock, Florian Koch, Ilka Peeken, Cédric L. Meunier   +6 more
wiley   +1 more source

Population Genetic Structure at the Northern Edge of the Distribution of Alexandrium catenella in the Patagonian Fjords and Its Expansion Along the Open Pacific Ocean Coast

Frontiers in Marine Science, 2019
In southern Chile, Alexandrium catenella is the main species generating harmful algal blooms (HABs) and over time it has expanded its range since it was first recorded in the Magallanes region in 1972.
Javier Paredes, Javier Paredes, Daniel Varela, Daniel Varela, Camila Martínez, Andrea Zúñiga, Karen Correa, Karen Correa, Adrián Villarroel, Bianca Olivares, Bianca Olivares   +10 more
doaj   +1 more source

Intraspecific genetic diversity and coexistence in phytoplankton populations

Limnology and Oceanography, Volume 69, Issue 6, Page 1450-1463, June 2024.
Abstract The past two decades have seen a drastic increase in the availability and use of genetic techniques to study phytoplankton communities. As a result, it is now well documented that phytoplankton populations are genetically diverse, despite predominantly asexual reproduction and minute morphological variation.
Fredrik Ryderheim, Thomas Kiørboe
wiley   +1 more source