Results 51 to 60 of about 530 (180)
Journal of Phycology, Volume 62, Issue 3, Page 883-903, June 2026.Abstract Cyanotoxins such as microcystin (MC), cylindrospermopsin, and saxitoxin are secondary metabolites that are rich in nitrogen (N). Most cyanobacteria grow best on reduced inorganic N (ammonium, NH4), but when NH4 is absent, cyanobacteria can activate physiological pathways to process other N forms (e.g., nitrate; NO3).
James H. Larson +7 more
wiley +1 more source
Journal of Phycology, Volume 62, Issue 3, Page 801-817, June 2026.Abstract Cyanobacteria are cosmopolitan, important components of biomass with a remarkable ability to synthesize a diverse array of bioactive compounds, some of which may have toxic effects on other organisms and ecosystems. In this study, filamentous cyanobacterial strains isolated predominantly from temperate European freshwaters (Aphanizomenon ...
Łukasz Wejnerowski +14 more
wiley +1 more source
Cylindrospermopsin: A Decade of Progress on Bioaccumulation Research [PDF]
Marine Drugs, 2010 Cylindrospermopsin (CYN) is rapidly being recognised as one of the most globally important of the freshwater algal toxins. The ever-expanding distribution of CYN producers into temperate zones is heightening concern that this toxin will represent serious human, as well as environmental, health risks across many countries.
openaire +4 more sources
Environmental Microbiology, Volume 28, Issue 5, May 2026.Abyssal sediments were assessed for taxonomic diversity and polyketide biosynthetic potential and compared to metagenomic and metabolomic assessments of the same sediments. Biodiversity differences were documented across biogeochemical regimes with the results providing baseline awareness of what might be lost should deep‐sea microbiomes be disrupted ...
Hans W. Singh +7 more
wiley +1 more source
Advances in Oceanography and Limnology, 2017 This work allowed the comparison of the metabolic profiles of the most important cyanobacteria species in southern perialpine lakes, namely Aphanizomenon flos-aquae, Dolichospermum lemmermannii, Microcystis aeruginosa, Planktothrix rubescens, and ...
Leonardo Cerasino +2 more
doaj +1 more source
Multimodal Cross‐Attentive Graph‐Based Framework for Predicting In Vivo Endocrine Disruptors
Advanced Science, Volume 13, Issue 21, 13 April 2026.A multimodal cross‐attentive graph neural network integrates molecular graphs with androgen and estrogen adverse outcome pathway (AOP)–anchored in vitro assay signals to predict in vivo endocrine disruption. By fusing information on Tier‐1 AOP logits with chemical structures, the framework achieves high accuracy and provides assay‐traceable ...
Eder Soares de Almeida Santos +6 more
wiley +1 more source
Occurrence of the cyanobacterial toxin cylindrospermopsin in northeast Germany [PDF]
Environmental Toxicology, 2007 AbstractThe frequent occurrence of the cyanobacterial toxin cylindrospermopsin (CYN) in the (sub)tropics has been largely associated with cyanobacteria of the order Nostocales of tropical origin, in particular Cylindrospermopsis raciborskii. C. raciborskii is currently observed to spread northwards into temperate climatic zones.
Jutta, Fastner +7 more
openaire +2 more sources
Statewide Intensification of Harmful Algal Blooms Across California Lakes and Reservoirs
GeoHealth, Volume 10, Issue 4, April 2026.Abstract Monitoring cyanobacteria is crucial for assessing water quality, safeguarding public health, and understanding ecosystem dynamics impacted by harmful algal blooms. This study explores the potential of satellite remote sensing (SRS) to assess risks of cyanotoxin exposure in California's recreational waters from 2002 to 2011 and 2016 to 2023 ...
Brittany N. Barreto Martinez +3 more
wiley +1 more source
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 +4 more
openaire +2 more sources
Environmental Microbiology Reports, Volume 18, Issue 2, April 2026.We examined microbiome variability in seven macroalgal species over 5 days at an intertidal bench in 'Ewa Beach, O'ahu, Hawai'i. Microbial communities of some red and brown algae fluctuated, whilst green algae remained stable. Temporal patterns varied by species and potentially by differences in intertidal positioning and exposure to environmental ...
Evan S. Dunn +3 more
wiley +1 more source