Mercury and sulfur redox cycling affect methylmercury levels in rice paddy soils across a contamination gradient

J Liu, J Chen, AJ Poulain, Q Pu, Z Hao… - Environmental …, 2023 - ACS Publications
Methylmercury (MeHg) contamination in rice via paddy soils is an emerging global
environmental issue. An understanding of mercury (Hg) transformation processes in paddy …

The divergent effects of nitrate and ammonium application on mercury methylation, demethylation, and reduction in flooded paddy slurries

J Chen, G Hu, J Liu, AJ Poulain, Q Pu, R Huang… - Journal of Hazardous …, 2023 - Elsevier
The production of methylmercury (MeHg) in flooded paddy fields determines its
accumulation in rice grains; this, in turn, results in MeHg exposure risks for not only rice …

DOM influences Hg methylation in paddy soils across a Hg contamination gradient

MA Abdelhafiz, J Liu, T Jiang, Q Pu, MW Aslam… - Environmental …, 2023 - Elsevier
Rice paddies provide optimum conditions for Hg methylation, and paddy soil is a hot spot for
Hg methylation and the predominant source of methylmercury (MeHg) accumulated in rice …

Unveiling the impact and mechanisms of Cd-driven ecological assembly and coexistence of bacterial communities in coastal sediments of Yellow Sea

C Yu, Z Zhu, K Meng, H Zhang, M Xu - Journal of Hazardous Materials, 2023 - Elsevier
The microbial community assembly processes and underlying mechanisms in response to
heavy metal accumulation in coastal sediments remain underexplored. In this study, the …

Impacts of multiple environmental factors on soil bacterial community assembly in heavy metal polluted paddy fields

M Zou, Q Zhang, F Li, L Chen, Y Qiu, Q Yin, S Zhou - Scientific Reports, 2024 - nature.com
Soil microorganisms play pivotal roles in driving essential biogeochemical processes in
terrestrial ecosystems, and they are sensitive to heavy metal pollution. However, our …

Long-term contamination of decabromodiphenyl ether reduces sediment multifunctionality: Insights from nutrient cycling, microbial ecological clusters, and microbial …

H Gao, J Chen, C Wang, P Wang, R Wang… - Journal of Hazardous …, 2024 - Elsevier
Despite the widespread detection of polybrominated diphenyl ethers in aquatic ecosystems,
their long-term effects on sediment multifunctionality remain unclear. Herein, a 360-day …

Effects of single and combined contamination of total petroleum hydrocarbons and heavy metals on soil microecosystems: Insights into bacterial diversity, assembly …

D Zhang, Q Hu, B Wang, J Wang, C Li, P You, R Zhou… - Chemosphere, 2023 - Elsevier
Deciphering the impact of single and combined contamination of total petroleum
hydrocarbons (TPH) and heavy metals on soil microecosystems is essential for the …

Fungal community determines soil multifunctionality during vegetation restoration in metallic tailing reservoir

J **, D Zhao, J Wang, Y Wang, H Zhu, Y Wu… - Journal of Hazardous …, 2024 - Elsevier
Microorganisms are pivotal in sustaining soil functions, yet the specific contributions of
bacterial and fungal succession on the functions during vegetation restoration in metallic …

Amendment-driven soil health restoration through soil pH and microbial robustness in a Cd/Cu-combined acidic soil: A ten-year in-situ field experiment

J Cui, F Zhou, J Li, Z Shen, J Zhou, J Yang, Z Jia… - Journal of Hazardous …, 2024 - Elsevier
Soil health arguably depends on biodiversity and has received wide attention in heavy-
metal (HM) contaminated farmland remediation in recent years. However, long-term effects …

Insights into the reduction of methylmercury accumulation in rice grains through biochar application: Hg transformation, isotope fractionation, and transcriptomic …

Y Huang, J Yi, Y Huang, S Zhong, B Zhao, J Zhou… - Environmental …, 2024 - Elsevier
Methylmercury (MeHg), a potent neurotoxin, easily moves from the soil into rice plants and
subsequently accumulates within the grains. Although biochar can reduce MeHg …