Anthropogenic activities have enriched mercury in the biosphere by at least a factor of three,
leading to increases in total mercury (Hg) in the surface ocean. However, the impacts on …

Mercury (Hg) is a ubiquitous metal in the ocean that undergoes in situ chemical
transformations in seawater and marine sediment. Most relevant to public health is the …

Methylmercury is a potent toxin threatening the global population mainly through the
consumption of marine fish. Hydrothermal venting directly delivers natural mercury to the …

Mercury (Hg) in the ocean undergoes many chemical transformations, including in situ
production of monomethylmercury (MMHg), the form that biomagnifies in marine food webs …

Chemolithoautotrophic microorganisms are at the nexus of hydrothermal systems by
effectively transferring the energy from the geothermal source to the higher trophic levels …

To characterize mercury (Hg) isotopes and isotopic fractionation in hydrothermal systems we
analyzed fluid and precipitate samples from hot springs in the Yellowstone Plateau volcanic …

Monomethylmercury is a neurotoxin formed in the ocean that accumulates in fish. To better
understand the chemical cycling of mercury (Hg) in the ocean, multiple Hg species were …

Deep oceans receive mercury (Hg) from upper oceans, sediment diagenesis, and
submarine volcanism; meanwhile, sinking particles shuttle Hg to marine sediments. Recent …

Mercuric reductase (MerA) is central to the mercury (Hg) resistance (mer) system, catalyzing
the reduction of ionic Hg to volatile Hg (0). A total of 213 merA homologues were identified in …

Microbial chemical transformations play a key role in geochemical cycles of most elements
by changing their redox states and by converting between organic and inorganic forms. As a …