Articles | Volume 15, issue 21
https://doi.org/10.5194/bg-15-6451-2018
© Author(s) 2018. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/bg-15-6451-2018
© Author(s) 2018. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Dynamic mercury methylation and demethylation in oligotrophic marine water
Kathleen M. Munson
CORRESPONDING AUTHOR
Department of Marine Chemistry and Geochemistry, Woods Hole
Oceanographic Institution, Woods Hole, MA 02543, USA
Department of Earth, Atmospheric and Planetary Sciences, Massachusetts Institute of Technology, Cambridge, MA 02139,
USA
current address: Centre for Earth Observation Science, University of
Manitoba, Winnipeg, MB, R3T 2N2, Canada
Carl H. Lamborg
Department of Marine Chemistry and Geochemistry, Woods Hole
Oceanographic Institution, Woods Hole, MA 02543, USA
current address: Ocean Sciences Department, University of California,
Santa Cruz, CA 95064, USA
Rene M. Boiteau
Department of Marine Chemistry and Geochemistry, Woods Hole
Oceanographic Institution, Woods Hole, MA 02543, USA
Department of Earth, Atmospheric and Planetary Sciences, Massachusetts Institute of Technology, Cambridge, MA 02139,
USA
current address: Pacific Northwest National Laboratory, P.O. Box 999,
MSIN: 58-98, Richland, WA 99352, USA
Mak A. Saito
Department of Marine Chemistry and Geochemistry, Woods Hole
Oceanographic Institution, Woods Hole, MA 02543, USA
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- Import, export, and speciation of mercury in Kongsfjorden, Svalbard: Influences of glacier melt and river discharge J. Kim et al. 10.1016/j.marpolbul.2022.113693
- Overview of Methylation and Demethylation Mechanisms and Influencing Factors of Mercury in Water W. Zhao et al. 10.3390/toxics12100715
- Mercury methylation in oxic aquatic macro-environments: a review A. Gallorini & J. Loizeau 10.4081/jlimnol.2021.2007
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- Prevalence of Heterotrophic Methylmercury Detoxifying Bacteria across Oceanic Regions I. Sanz-Sáez et al. 10.1021/acs.est.1c05635
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- Trends in mercury concentrations and methylation in Minamata Bay, Japan, between 2014 and 2018 A. Matsuyama et al. 10.1016/j.marpolbul.2021.112886
- Riverine Discharge Fuels the Production of Methylmercury in a Large Temperate Estuary M. Liu et al. 10.1021/acs.est.3c00473
- Demethylation─The Other Side of the Mercury Methylation Coin: A Critical Review T. Barkay & B. Gu 10.1021/acsenvironau.1c00022
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42 citations as recorded by crossref.
- Mass-Independent Fractionation of Even and Odd Mercury Isotopes during Atmospheric Mercury Redox Reactions X. Fu et al. 10.1021/acs.est.1c02568
- Assessing the spatial and temporal variability of methylmercury biogeochemistry and bioaccumulation in the Mediterranean Sea with a coupled 3D model G. Rosati et al. 10.5194/bg-19-3663-2022
- A Global Model for Methylmercury Formation and Uptake at the Base of Marine Food Webs Y. Zhang et al. 10.1029/2019GB006348
- Mercury Cycling in the North Pacific Subtropical Gyre as Revealed by Mercury Stable Isotope Ratios L. Motta et al. 10.1029/2018GB006057
- Hg in the hydrothermal fluids and gases in Baia di Levante, Vulcano, Italy H. Roberts & T. Pichler 10.1016/j.marchem.2022.104147
- A Simplified Approach to Modeling the Dispersion of Mercury from Precipitation to Surface Waters—The Bay of Kaštela Case Study I. Živković et al. 10.3390/jmse10040539
- Functional genes and microorganisms controlling in situ methylmercury production and degradation in marine sediments: A case study in the Eastern China Coastal Seas Y. Li et al. 10.1016/j.jhazmat.2024.134965
- Isolation of methylmercury using distillation and anion-exchange chromatography for isotopic analyses in natural matrices T. Rosera et al. 10.1007/s00216-019-02277-0
- Import, export, and speciation of mercury in Kongsfjorden, Svalbard: Influences of glacier melt and river discharge J. Kim et al. 10.1016/j.marpolbul.2022.113693
- Overview of Methylation and Demethylation Mechanisms and Influencing Factors of Mercury in Water W. Zhao et al. 10.3390/toxics12100715
- Mercury methylation in oxic aquatic macro-environments: a review A. Gallorini & J. Loizeau 10.4081/jlimnol.2021.2007
- Dimethylmercury as a Source of Monomethylmercury in a Highly Productive Upwelling System H. Adams et al. 10.1021/acs.est.4c01112
- Prevalence of Heterotrophic Methylmercury Detoxifying Bacteria across Oceanic Regions I. Sanz-Sáez et al. 10.1021/acs.est.1c05635
- Biotic formation of methylmercury: A bio–physico–chemical conundrum A. Bravo & C. Cosio 10.1002/lno.11366
- Determining seawater mercury methylation and demethylation rates by the seawater incubation approach: A critique K. Wang et al. 10.1016/j.marchem.2020.103753
- The Global Biogeochemical Cycle of Arsenic W. Schlesinger et al. 10.1029/2022GB007515
- Nitrospina-Like Bacteria Are Potential Mercury Methylators in the Mesopelagic Zone in the East China Sea Y. Tada et al. 10.3389/fmicb.2020.01369
- The paradigm and recent progress in studying marine mercury isotopes R. SUN et al. 10.3724/j.issn.1007-2802.20240016
- Nitrospina -like Bacteria Are Dominant Potential Mercury Methylators in Both the Oyashio and Kuroshio Regions of the Western North Pacific Y. Tada et al. 10.1128/Spectrum.00833-21
- Linked mercury methylation and nitrification across oxic subpolar regions M. Despins et al. 10.3389/fenvc.2023.1109537
- Characterization of the metalloproteome of Pseudoalteromonas (BB2-AT2): biogeochemical underpinnings for zinc, manganese, cobalt, and nickel cycling in a ubiquitous marine heterotroph M. Mazzotta et al. 10.1093/mtomcs/mfab060
- A review of the potential risks associated with mercury in subsea oil and gas pipelines in Australia F. Gissi et al. 10.1071/EN22048
- Formalin-preserved zooplankton are not reliable for historical reconstructions of methylmercury bioaccumulation W. Huffman et al. 10.1016/j.scitotenv.2020.139803
- Climate-driven changes of global marine mercury cycles in 2100 Y. Wang et al. 10.1073/pnas.2202488120
- A global perspective on mercury cycling in the ocean K. Bowman et al. 10.1016/j.scitotenv.2019.136166
- Trophic resources and mercury exposure of two silvertip shark populations in the Northeast Pacific Ocean G. Le Croizier et al. 10.1016/j.chemosphere.2020.126645
- Biotransformation fate and sustainable mitigation of a potentially toxic element of mercury from environmental matrices P. Duan et al. 10.1016/j.arabjc.2020.06.041
- Mercury methylation in boreal aquatic ecosystems under oxic conditions and climate change: a review J. Rodríguez 10.3389/fmars.2023.1198263
- Mediterranean Mercury Assessment 2022: An Updated Budget, Health Consequences, and Research Perspectives D. Cossa et al. 10.1021/acs.est.1c03044
- Possible pathways for mercury methylation in oxic marine waters K. Wang et al. 10.1080/10643389.2021.2008753
- Mercury methylation linked to nitrification in the tropical North Atlantic Ocean L. Starr et al. 10.1016/j.marchem.2022.104174
- The role of plastic debris in the biogeochemical cycle of mercury in Lake Erie and San Francisco Bay K. Bowman et al. 10.1016/j.marpolbul.2021.112768
- Sensitive determination of methylmercury δ13C compound specific stable isotopic analysis by purge and trap gas chromatography combustion isotope ratio mass spectrometry S. Queipo-Abad et al. 10.1016/j.chroma.2019.460821
- Mercury isotopes identify near-surface marine mercury in deep-sea trench biota J. Blum et al. 10.1073/pnas.2012773117
- Prenatal Mercury Exposure and Neurodevelopment up to the Age of 5 Years: A Systematic Review K. Dack et al. 10.3390/ijerph19041976
- Methylmercury produced in upper oceans accumulates in deep Mariana Trench fauna R. Sun et al. 10.1038/s41467-020-17045-3
- Speciation and bioavailability of mercury in sediments from Mokolo River, Limpopo Province, South Africa D. Kgabi & A. Ambushe 10.1080/10934529.2021.1949918
- A 1500-year record of mercury isotopes in seal feces documents sea ice changes in the Antarctic H. Liu et al. 10.1038/s43247-023-00921-3
- Trends in mercury concentrations and methylation in Minamata Bay, Japan, between 2014 and 2018 A. Matsuyama et al. 10.1016/j.marpolbul.2021.112886
- Riverine Discharge Fuels the Production of Methylmercury in a Large Temperate Estuary M. Liu et al. 10.1021/acs.est.3c00473
- Demethylation─The Other Side of the Mercury Methylation Coin: A Critical Review T. Barkay & B. Gu 10.1021/acsenvironau.1c00022
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Latest update: 13 Nov 2024
Short summary
Methylmercury accumulates in marine organisms and is produced by bacterial processes in sediment systems. To date, the contribution of these processes to the marine water column is poorly understood. We measured noncellular production and breakdown of methylmercury in equatorial Pacific waters. We observed enhanced production in filtered waters that suggests noncellular processes result in rapid mercury transformations and, in turn, control methylmercury concentrations in the open ocean.
Methylmercury accumulates in marine organisms and is produced by bacterial processes in sediment...
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