Results 21 to 30 of about 879 (125)

Characterization of the Gene Cluster Responsible for Cylindrospermopsin Biosynthesis [PDF]

Applied and Environmental Microbiology, 2008
ABSTRACTToxic cyanobacterial blooms cause economic losses and pose significant public health threats on a global scale. Characterization of the gene cluster for the biosynthesis of the cyanobacterial toxin cylindrospermopsin (cyr) inCylindrospermopsis raciborskiiAWT205 is described, and the complete biosynthetic pathway is proposed.
Troco Kaan, Mihali, Ralf, Kellmann, Julia, Muenchhoff, Kevin D, Barrow, Brett A, Neilan   +4 more
openaire   +2 more sources

Cyanobacteria and Cyanotoxins in Mediterranean Reservoirs: Ecological Variability, Risks and Implications for Water Quality Assessment

Ecohydrology, Volume 19, Issue 1, January‐February 2026.
ABSTRACT The increasing demand for freshwater, in combination with climate change and pollution, compromises the quality and quantity of water resources. These pressures have intensified cyanobacterial blooms, including toxic events that threaten human health and aquatic ecosystems. This study complements the objectives of the Water Framework Directive
Ivo Pinto, Raquel Silva, Guilherme Scotta Hentschke, Vítor Vasconcelos, João Morais, Luísa Azevedo, Sara C. Antunes   +6 more
wiley   +1 more source

Interactive effects of stoichiometry and environmental variability regulate cyanobacteria toxicity in two eutrophic bays

Limnology and Oceanography, Volume 70, Issue 11, Page 3506-3519, November 2025.
Abstract Cyanobacteria blooms are a leading threat to water quality globally. Despite this, the timing and frequency of toxin production associated with harmful blooms are not well understood. Here we explore cyanobacteria bloom dynamics and cyanotoxin production in two heavily instrumented shallow, eutrophic bays of Lake Champlain through the lens of ...
Katelynn E. Warner, Andrew W. Schroth, Megan Petrine, Alex Bernich, Nicole D. Wagner, Bofan Wei, Gregory L. Boyer, Ana M. Morales   +7 more
wiley   +1 more source

The toxic effects of meta‐tyrosine are related to its misincorporation into the proteome and to altered metabolism in cyanobacteria

The FEBS Journal, Volume 292, Issue 20, Page 5439-5456, October 2025.
This study reveals that meta‐tyrosine (m‐Tyr), a nonproteinogenic analog of aromatic amino acids, disrupts protein synthesis and photosynthesis in cyanobacteria by being misincorporated by Phenylalanyl‐tRNA synthetase (PheRS) into essential proteins. Through molecular, biochemical, and proteomic analyses in Synechocystis, the research shows that m‐Tyr ...
Hagit Zer, Roei Matan, David Rasin, Yoram Soroka, Noa Carmi, Hanan Schoffman, Nir Keren, Jörg Nickelsen, Oren Ostersetzer‐Biran   +8 more
wiley   +1 more source

Effects of the cyanobacteria Microcystis aeruginosa on eastern oyster feeding

Ecosphere, Volume 16, Issue 9, September 2025.
Abstract The eastern oyster, Crassostrea virginica, is an estuarine consumer of considerable ecological and economic value, with the ability to selectively feed from a mixed phytoplankton community. Estuarine phytoplankton communities are experiencing an increased presence of small, nutritionally poor, salt‐tolerant, and potentially toxic cyanobacteria,
Julia A. Sweet, Sandra M. Casas, Jerome F. La Peyre, Mark A. Genung, Beth A. Stauffer   +4 more
wiley   +1 more source

Phylogenomic and Pangenomic Assessment of a Mediterranean Strain of Raphidiopsis raciborskii Extends Knowledge of the Global Distribution and Characteristics of a Potentially Toxigenic Cyanobacterium

Environmental Microbiology Reports, Volume 17, Issue 3, June 2025.
The potentially toxigenic cyanobacterium Raphidiopsis raciborskii has spread to temperate regions and produces massive blooms. This study reports the first taxonomic and functional metagenomic assessment of a strain from the Mediterranean, thus filling a significant gap in global distribution.
Nico Salmaso, Leonardo Cerasino, Margherita Di Brizio, Massimo Pindo, Adriano Boscaini   +4 more
wiley   +1 more source

Effects of Seasonal Dynamics on Cyanobacteria Proliferation in Aquaculture Fish Ponds

Aquaculture Research, Volume 2025, Issue 1, 2025.
Aquaculture production supports the United Nations Sustainable Development Goals (SDGs), especially SDG 2 (Zero Hunger), by enhancing food security and sustainable practices. This study investigated the seasonal dynamics of cyanobacterial (CB) blooms in aquaculture fishponds in South Africa (SA) and Nigeria (NGA). Water samples were collected twice per
Odo J. Bassey, Jabulani R. Gumbo, Mulalo I. Mutoti   +2 more
wiley   +1 more source

Omics Insights into Cylindrospermopsin’s Molecular Toxicity

Foods
Cylindrospermopsin (CYN) is a potent cyanotoxin that poses a significant risk to human and animal health. Due to its occurrence in drinking water and food, as well as its ability to bioaccumulate in aquatic organisms and plants irrigated with contaminated water, the oral route is an important exposure pathway.
Ronald F. Borja, Cristina Plata-Calzado, Leticia Diez-Quijada, María Puerto   +3 more
openaire   +3 more sources

A new approach to predicting and understanding cyanobacteria bloom toxicity

Limnology and Oceanography Letters, Volume 11, Issue 2, March 2026.
Anusuya Willis, Michele A. Burford
wiley   +1 more source

Total Synthesis of (±)-Cylindrospermopsin [PDF]

, 2004
Barry B. Snider, Chaoyu Xie
openaire   +1 more source