ArticleProceedings of the National Academy of Sciences of the United States of America2021
Fe-catalyzed sulfide oxidation in hydrothermal plumes is a source of reactive oxygen species to the ocean.
Article in Proceedings of the National Academy of Sciences of the United States of America, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.
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3 citing papers in PubMed, 31 citations in OpenAlex.
- Metagenome mining and functional analysis reveal oxidized guanine DNA repair at the Lost City Hydrothermal Field.PloS one · 2024Article
- Homogeneous Carbon Dot-Anchored Fe(III) Catalysts with Self-Regulated Proton Transfer for Recyclable Fenton Chemistry.JACS Au · 2023Article
- Reactive oxygen species in the world ocean and their impacts on marine ecosystems.Redox biology · 2022Review
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9 authors at 3 institutions in 2 countries.
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No grant is acknowledged in the PubMed record.
Abstract
Historically, the production of reactive oxygen species (ROS) in the ocean has been attributed to photochemical and biochemical reactions. However, hydrothermal vents emit globally significant inventories of reduced Fe and S species that should react rapidly with oxygen in bottom water and serve as a heretofore unmeasured source of ROS. Here, we show that the Fe-catalyzed oxidation of reduced sulfur species in hydrothermal vent plumes in the deep oceans supported the abiotic formation of ROS at concentrations 20 to 100 times higher than the average for photoproduced ROS in surface waters. ROS (measured as hydrogen peroxide) were determined in hydrothermal plumes and seeps during a series of
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