Microbe-mediated transformation of metal sulfides: Mechanisms and environmental significance

Z Su, X Li, Y **, T **e, Y Liu, B Liu, H Liu, W Xu… - Science of the Total …, 2022 - Elsevier
Microorganisms play a key role in the natural circulation of various constituent elements of
metal sulfides. Some microorganisms (such as Thiobacillus ferrooxidans) can promote the …

[HTML][HTML] Mercury in groundwater–source, transport and remediation

DL Aleku, O Lazareva, T Pichler - Applied Geochemistry, 2024 - Elsevier
Mercury (Hg) is one of the most toxic global pollutants of continuing concern, posing a
severe threat to human health and wildlife. Due to its mobility, Hg is easily transported …

Role of sulfur biogeochemical cycle in mercury methylation in estuarine sediments: a review

J Wang, J Dai, G Chen, F Jiang - Journal of Hazardous Materials, 2022 - Elsevier
Estuaries are sinks for mercury, in which the most toxic mercury form, neurotoxic
methylmercury (MeHg), is produced by mercury methylators and accumulates in estuarine …

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 …

Recent advance of microbial mercury methylation in the environment

X Peng, Y Yang, S Yang, L Li, L Song - Applied Microbiology and …, 2024 - Springer
Methylmercury formation is mainly driven by microbial-mediated process. The mechanism of
microbial mercury methylation has become a crucial research topic for understanding …

Bacterial colonization dynamics of different microplastic types in an anoxic salt marsh sediment and impact of adsorbed polychlorinated biphenyls on the plastisphere

A Rosato, M Barone, A Negroni, P Brigidi, F Fava… - Environmental …, 2022 - Elsevier
Plastic debris dispersed into the environment provide a substrate for microbial colonization,
constituting a new human-made ecosystem called “plastisphere”, and altering the microbial …

Occurrence and speciation of arsenic and mercury in alluvial and coastal sediments

A Acquavita, F Floreani, S Covelli - Current Opinion in Environmental …, 2021 - Elsevier
Among potential toxic elements (PTEs), arsenic (As) and mercury (Hg) are well known for
the toxicity of their different chemical species and diffusion in the environment via several …

Global survey of hgcA-carrying genomes in marine and freshwater sediments: Insights into mercury methylation processes

YL Wang, K Ikuma, AMV Brown, A Deonarine - Environmental Pollution, 2024 - Elsevier
Mercury (Hg) methylation is a microbially mediated process that produces methylmercury
(MeHg), a bioaccumulative neurotoxin. A highly conserved gene pair, hgcAB, is required for …

Roles of plant-associated microorganisms in regulating the fate of Hg in croplands: A perspective on potential pathways in maintaining sustainable agriculture

Y Yu, Z Li, Y Liu, F Wang, Y Liu, J Zhao, Y Li… - Science of The Total …, 2022 - Elsevier
In heavy metal-contaminated croplands, plant-associated microorganisms play important
roles in the adaptation of crops to heavy metals. Plant-associated microbes can interact with …