[HTML][HTML] Climate change and mercury in the Arctic: Abiotic interactions

J Chételat, MA McKinney, M Amyot, A Dastoor… - Science of the Total …, 2022 - Elsevier
Dramatic environmental shifts are occuring throughout the Arctic from climate change, with
consequences for the cycling of mercury (Hg). This review summarizes the latest science on …

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 …

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 …

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 …

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 …

Relative importance of aceticlastic methanogens and hydrogenotrophic methanogens on mercury methylation and methylmercury demethylation in paddy soils

Z Hao, L Zhao, J Liu, Q Pu, J Chen, B Meng… - Science of The Total …, 2024 - Elsevier
The accumulation of methylmercury (MeHg) in paddy soil results from a subtle balance
between inorganic mercury (eg, Hg II) methylation and MeHg demethylation. Methanogens …

Properly interpret metabolic inhibition results to identify primary mercury methylating microbes

P Lei, RQ Yu, Y Kong, S Bertilsson… - Critical Reviews in …, 2023 - Taylor & Francis
Distinguishing the respective contributions of various microbes to methylmercury (MeHg)
production is critical for predicting MeHg bioaccumulation and exposure risk. Metabolic …

A consensus protocol for the recovery of mercury methylation genes from metagenomes

E Capo, BD Peterson, M Kim, DS Jones… - Molecular Ecology …, 2023 - Wiley Online Library
Mercury (Hg) methylation genes (hgcAB) mediate the formation of the toxic methylmercury
and have been identified from diverse environments, including freshwater and marine …

[HTML][HTML] Microbial communities mediating net methylmercury formation along a trophic gradient in a peatland chronosequence

B Wang, H Hu, K Bishop, M Buck, E Björn… - Journal of Hazardous …, 2023 - Elsevier
Peatlands are generally important sources of methylmercury (MeHg) to adjacent aquatic
ecosystems, increasing the risk of human and wildlife exposure to this highly toxic …

The origin of methyl group in methanogen-mediated mercury methylation: From the Wolfe cycle

J Gao, J Yang, H Dong, S Tao, J Shi, B He… - Proceedings of the …, 2024 - pnas.org
Methylmercury (MeHg) is a bioaccumulating neurotoxin mainly produced by anaerobic
microorganisms, with methanogen being one of the important methylators. A critical aspect …