Results 51 to 60 of about 209,169 (271)

Cyanobacteria blooms induced precipitation of calcium carbonate and dissolution of silica in a subtropical lagoon, Florida Bay, USA

Scientific Reports, 2023
In recent decades, annual cyanobacteria blooms in Florida Bay displayed spatial and temporal patterns that are consistent with changes in alkalinity and dissolved silicon in water. In early summer, the blooms developed in the north–central bay and spread
Jia-Zhong Zhang
doaj   +1 more source

Microcystin‐LR Triggers Renal Tubular Ferroptosis Through Epigenetic Repression of GPX4: Implications for Environmental Nephrotoxicity

Advanced Science, EarlyView.
MC‐LR stabilizes DNMT1/3a by blocking their ubiquitin‐mediated degradation, leading to Gpx4 promoter hypermethylation and E2F4/NCoR‐associated transcriptional repression, which drives renal tubular ferroptosis in mice. Pharmacological inhibition of DNA methylation (SGI‐1027) or ferroptosis (Fer‐1) disrupts this DNMT‐GPX4 axis, thereby alleviating MC‐LR‐
Shaoru Zhang, Qi Gao, Yi Peng, Huan Zhang, Qi Shen, Meihong Guo, Yuqing Gong, Lei Chu, Weidong Wu, Yanting Wen, Wangsen Cao, Yong Wang, Lihui Wang   +12 more
wiley   +1 more source

Cyanotoxins and Cyanobacteria Cell Accumulations in Drinking Water Treatment Plants with a Low Risk of Bloom Formation at the Source

Toxins, 2018
Toxic cyanobacteria have been shown to accumulate in drinking water treatment plants that are susceptible to algal blooms. However, the risk for plants that do not experience algal blooms, but that receive a low influx of cells, is not well known.
Husein Almuhtaram, Yi-bin Cui, A. Zamyadi, R. Hofmann   +3 more
semanticscholar   +1 more source

Decoding the Pathophysiology of Autoimmune Diseases—Mechanism, Triggers, and Nanotherapeutics: A Review

Advanced NanoBiomed Research, EarlyView.
This review highlights how autoimmune diseases arise from intertwined immunological, genetic, and environmental factors, emphasizing gut microbiota dysbiosis as a pivotal driver. It outlines emerging nanotechnology‐based strategies—such as liposomes, hydrogels, and polymeric nanoparticles—that enhance targeted drug delivery, minimize systemic toxicity,
Md. Meraj Ansari, Yunhui Min, Eun‐Ju Ko, Doyoung Kwon, Rehan Khan, Young‐Ok Son   +5 more
wiley   +1 more source

Algal Blooms in Lakes Increase After Wildfire Smoke Events in the Contiguous United States

Global Change Biology Communications, EarlyView.
Temporary pulses of surface chlorophyll‐a are identified following wildfire smoke events in lakes and reservoirs across the United States. ABSTRACT Area burned by wildfire has increased in the contiguous United States and in many places globally in recent years, impacting communities and ecosystems nearby and even far downwind of fires. We examined the
Nicole E. Olson, Meredith M. Brehob, Robert D. Sabo, Irena Pavlovic, Kathleen I. Shank, Sam Penry, Amalia M. Handler, Michael J. Pennino, R. Byron Rice, Katie L. Boaggio, Stephen D. LeDuc   +10 more
wiley   +1 more source

The “Neglected Viruses” of Taihu: Abundant Transcripts for Viruses Infecting Eukaryotes and Their Potential Role in Phytoplankton Succession

Frontiers in Microbiology, 2020
Drivers of algal bloom dynamics remain poorly understood, but viruses have been implicated as important players. Research addressing bloom dynamics has generally been restricted to the virus-infection of the numerically dominant (i.e. bloom forming) taxa.
Helena L. Pound, Eric R. Gann, Xiangming Tang, Lauren E. Krausfeldt, Matthew Huff, Margaret E. Staton, David Talmy, Steven W. Wilhelm   +7 more
doaj   +1 more source

Polyphasic assessment of the bloom-forming cyanobacterial species Limnoraphis robusta (Oscillatoriaceae) and Microcystis aeruginosa (Microcystaceae) in a Mexican subtropical crater lake

Revista Mexicana de Biodiversidad, 2021
The main element to assess the potential risks associated with toxic cyanobacterial blooms is the precise identification of the species. As part of a water quality monitoring during 2015 in Santa María del Oro crater lake, Nayarit, a cyanobacterial ...
Ivan Salazar-Alcaraz, Génesis Guadalupe Ochoa-Zamora, Oscar Ubisha Hernández-Almeida, Yolotzin Apatzingán Palomino-Hermosillo, Ignacio Leyva-Valencia, Carlos Alberto Romero-Bañuelos, Jushiro Cepeda-Morales   +6 more
doaj   +1 more source

Strains of the toxic and bloom-forming Nodularia spumigena (cyanobacteria) can degrade methylphosphonate and release methane

The ISME Journal, 2018
Nodularia spumigena is a nitrogen-fixing cyanobacterium that forms toxic blooms in the Baltic Sea each summer and the availability of phosphorous is an important factor limiting the formation of these blooms.
Jonna E. Teikari, D. Fewer, R. Shrestha, Shengwei Hou, Niina Leikoski, Minna Mäkelä, A. Simojoki, W. Hess, K. Sivonen   +8 more
semanticscholar   +1 more source

Early Detection Methods for Toxic Cyanobacteria Blooms

Pathogens
Harmful cyanobacterial blooms produce cyanotoxins which can adversely affect humans and animals. Without proper monitoring and detection programs, tragedies such as the loss of pets or worse are possible. Multiple factors including rising temperatures and human influence contribute to the increased likelihood of harmful cyanobacteria blooms.
Lauren Grant, Diane Botelho, Attiq Rehman   +2 more
openaire   +3 more sources

Using physics‐informed neural networks to quantify submarine groundwater discharge under high‐frequency tidal dynamics using heat as a tracer

Limnology and Oceanography: Methods, EarlyView.
Abstract Estimating exchange rates of submarine groundwater discharge (SGD) at high temporal resolution over extended periods remains challenging, particularly when using heat as a tracer in highly dynamic environments such as tidal systems. Currently available heat transport models struggle to accurately quantify SGD exchange rates in these settings ...
S. Frei, M. U. Munir, A. M. Seiverth, B. S. Gilfedder   +3 more
wiley   +1 more source