[HTML][HTML] Biochemical characterization and mercury methylation capacity of Geobacter sulfurreducens biofilms grown in media containing iron hydroxide or fumarate

E Yunda, QNP Le, E Björn, M Ramstedt - Biofilm, 2023 - Elsevier
Geobacter species are common in iron-rich environments and can contribute to formation of
methylmercury (MeHg), a neurotoxic compound with high bioaccumulation potential formed …

[HTML][HTML] Methylmercury formation in biofilms of Geobacter sulfurreducens

E Yunda, M Gutensohn, M Ramstedt… - Frontiers in Microbiology, 2023 - frontiersin.org
Introduction Mercury (Hg) is a major environmental pollutant that accumulates in biota
predominantly in the form of methylmercury (MeHg). Surface-associated microbial …

Quinolone antibiotics stimulate bacterial mercury methylation by Geobacter metallireducens GS-15

F Fang, L Ding, Y Zhang, Z Huang, N He, L Zhang… - Bioresource …, 2024 - Elsevier
Bacterial mercury (Hg) methylation is critical for bioremediating Hg pollution, but the impact
of emerging antibiotics on this process has rarely been reported. This study innovatively …

The Combined Effect of Hg(II) Speciation, Thiol Metabolism, and Cell Physiology on Methylmercury Formation by Geobacter sulfurreducens

M Gutensohn, JK Schaefer, E Yunda… - Environmental …, 2023 - ACS Publications
The chemical and biological factors controlling microbial formation of methylmercury (MeHg)
are widely studied separately, but the combined effects of these factors are largely unknown …

Anaerobic Mercury Methylation and Demethylation by Geobacter bemidjiensis Bem

X Lu, Y Liu, A Johs, L Zhao, T Wang… - … science & technology, 2016 - ACS Publications
Microbial methylation and demethylation are two competing processes controlling the net
production and bioaccumulation of neurotoxic methylmercury (MeHg) in natural ecosystems …

Adsorption of Methylmercury onto Geobacter bemidijensis Bem

Y Wang, Q Yu, B Mishra, JK Schaefer… - Environmental …, 2018 - ACS Publications
The anaerobic bacterium Geobacter bemidijensis Bem has the unique ability to both
produce and degrade methylmercury (MeHg). While the adsorption of MeHg onto bacterial …

[HTML][HTML] Response to Comment on “Anaerobic Mercury Methylation and Demethylation by Geobacter Bemidjiensis Bem”

X Lu, Y Liu, A Johs, L Zhao, T Wang… - … science & technology, 2016 - ACS Publications
We offer our response to comments by Regnell 1 regarding the calculations of methylation/
demethylation rates reported in our paper “Anaerobic Mercury Methylation and …

Determination of mercury speciation and thiol concentration on the outer and inner cell membrane surface of Geobacter sulfurreducens by EXAFS and HERFD …

M Gutensohn, M Desmeau, O Proux, E Björn… - 2023 - diva-portal.org
The biogenic methylation of inorganic, divalent mercury (Hg (II)) by methylating
microorganisms leads to formation and bioaccumulation of monomethyl mercury (MeHg) in …

Coupled Mercury–Cell Sorption, Reduction, and Oxidation on Methylmercury Production by Geobacter sulfurreducens PCA

H Lin, JL Morrell-Falvey, B Rao, L Liang… - Environmental science & …, 2014 - ACS Publications
G. sulfurreducens PCA cells have been shown to reduce, sorb, and methylate Hg (II)
species, but it is unclear whether this organism can oxidize and methylate dissolved …

Investigation of Mercury Methylation Pathways in Biofilm versus Planktonic Cultures of Desulfovibrio desulfuricans

TY Lin, RA Kampalath, CC Lin, M Zhang… - … science & technology, 2013 - ACS Publications
Biofilms can methylate mercury (Hg) at higher rates than unattached bacteria and are
increasingly recognized as important Hg methylation sites in the environment. Our previous …