[HTML][HTML] The potential of microorganisms as biomonitoring and bioremediation tools for mercury-contaminated soils

L Meyer, S Guyot, M Chalot, N Capelli - Ecotoxicology and Environmental …, 2023 - Elsevier
Mercury (Hg) pollution is a global issue due to the high toxicity and wide dispersion of Hg
around the world. Whether due to anthropogenic activities or natural processes, Hg …

Microbial mercury transformations: molecules, functions and organisms

RQ Yu, T Barkay - Advances in applied microbiology, 2022 - Elsevier
Abstract Mercury (Hg) methylation, methylmercury (MeHg) demethylation, and inorganic
redox transformations of Hg are microbe-mediating processes that determine the fate and …

Environmental formation of methylmercury is controlled by synergy of inorganic mercury bioavailability and microbial mercury‐methylation capacity

BD Peterson, DP Krabbenhoft… - Environmental …, 2023 - Wiley Online Library
Methylmercury (MeHg) production is controlled by the bioavailability of inorganic divalent
mercury (Hg (II) i) and Hg‐methylation capacity of the microbial community (conferred by the …

Metabolically diverse microorganisms mediate methylmercury formation under nitrate-reducing conditions in a dynamic hydroelectric reservoir

BD Peterson, BA Poulin, DP Krabbenhoft… - The ISME …, 2023 - academic.oup.com
Brownlee Reservoir is a mercury (Hg)-impaired hydroelectric reservoir that exhibits dynamic
hydrological and geochemical conditions and is located within the Hells Canyon Complex in …

Water pollution and environmental policy in artisanal gold mining frontiers: The case of La Toma, Colombia

L Casso-Hartmann, P Rojas-Lamos, K McCourt… - Science of The Total …, 2022 - Elsevier
Artisanal and small-scale gold mining (ASGM) is the largest anthropogenic source of
mercury emissions globally. Concern over mercury pollution increases due to its long-term …

Expanded phylogenetic diversity and metabolic flexibility of mercury-methylating microorganisms

EA McDaniel, BD Peterson, SLR Stevens, PQ Tran… - …, 2020 - journals.asm.org
Methylmercury is a potent bioaccumulating neurotoxin that is produced by specific
microorganisms that methylate inorganic mercury. Methylmercury production in diverse …

An Improved hgcAB Primer Set and Direct High-Throughput Sequencing Expand Hg-Methylator Diversity in Nature

CM Gionfriddo, AM Wymore, DS Jones… - Frontiers in …, 2020 - frontiersin.org
The gene pair hgcAB is essential for microbial mercury methylation. Our understanding of its
abundance and diversity in nature is rapidly evolving. In this study we developed a new …

Anaerobic mercury methylators inhabit sinking particles of oxic water columns

E Capo, C Cosio, EG Díez, JL Loizeau, E Mendes… - Water research, 2023 - Elsevier
Increased concentration of mercury, particularly methylmercury, in the environment is a
worldwide concern because of its toxicity in severely exposed humans. Although the …

Amendments of nitrogen and sulfur mitigate carbon-promoting effect on microbial mercury methylation in paddy soils

Y Li, SS Dai, J Zhao, ZC Hu, Q Liu, J Feng… - Journal of Hazardous …, 2023 - Elsevier
The imbalance of nutrient elements in paddy soil could affect biogeochemical processes;
however, how the key elements input influence microbially-driven conversion of mercury …

Enhanced susceptibility of methylmercury bioaccumulation into seston of the Laurentian Great Lakes

JM Ogorek, RF Lepak, JC Hoffman… - Environmental …, 2021 - ACS Publications
Mercury concentrations in the Laurentian Great Lakes waters are among the lowest reported
in the literature, while game fish concentrations approach consumption advisory limits …