ArticleApplied and environmental microbiology1997
Effects of dissolved organic carbon and salinity on bioavailability of mercury.
Article in Applied and environmental microbiology, 1997. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 45 papers.
What it found
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
The trial behind it
Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
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Who cites it
45 citing papers in PubMed.
- Methane cycling microbes are important predictors of methylmercury accumulation in rice paddies.Applied and environmental microbiology · 2026Article
- Differential effects of freshwater browning across fish species: consequences for individual- to community-level fish traits in north temperate lakes.Biological reviews of the Cambridge Philosophical Society · 2026Article
- A survey of bacterial and fungal community structure and functions in two long-term metalliferous soil habitats.Scientific reports · 2025Article
- Ecosystem Drivers of Freshwater Mercury Bioaccumulation Are Context-Dependent: Insights from Continental-Scale Modeling.Environmental science & technology · 2025Article
- Overview of Methylation and Demethylation Mechanisms and Influencing Factors of Mercury in Water.Toxics · 2024Review
- Changes of mercury and methylmercury content and mercury methylation in Suaeda salsa soil under different salinity.Environmental geochemistry and health · 2022Article
- Development of an exposure protocol for toxicity test (FEET) for a marine species: the European sea bass (Dicentrarchus labrax).Environmental science and pollution research international · 2022Article
- An implication of biotransformation in detoxification of mercury contamination by Morganella sp. strain IITISM23.Environmental science and pollution research international · 2021Article
- Determining optimal sampling strategies for monitoring mercury and reproductive success in common loons in the Adirondacks of New York.Ecotoxicology (London, England) · 2020Article
- Spatial patterns and temporal trends in mercury concentrations in common loons (Gavia immer) from 1998 to 2016 in New York's Adirondack Park: has this top predator benefitted from mercury emission controls?Ecotoxicology (London, England) · 2020Article
- Genome-Resolved Metagenomics and Detailed Geochemical Speciation Analyses Yield New Insights into Microbial Mercury Cycling in Geothermal Springs.Applied and environmental microbiology · 2020Article
- Acoustic cavitation generates molecular mercury(ii) hydroxide, Hg(OH)Chemical science · 2020Article
- Article
- Microbial generation of elemental mercury from dissolved methylmercury in seawater.Limnology and oceanography · 2019Article
- Mercury species accumulation and distribution in Typha domingensis under real field conditions (Almadén, Spain).Environmental science and pollution research international · 2019Article
- Mercury chloride toxicity in human erythrocytes: enhanced generation of ROS and RNS, hemoglobin oxidation, impaired antioxidant power, and inhibition of plasma membrane redox system.Environmental science and pollution research international · 2019Article
- Analysis of Neurotoxic Amino Acids from Marine Waters, Microbial Mats, and Seafood Destined for Human Consumption in the Arabian Gulf.Neurotoxicity research · 2018Article
- Biogeochemical controls on mercury methylation in the Allequash Creek wetland.Environmental science and pollution research international · 2017Article
- Article
- Microbial availability of mercury: effective detection and organic ligand effect using a whole-cell bioluminescent bioreporter.Ecotoxicology (London, England) · 2015Article
Corrections and comments
PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.
Authors and funding
3 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Hypotheses that dissolved organic carbon (DOC) and electrochemical charge affect the rate of methylmercury [CH3Hg(I)] synthesis by modulating the availability of ionic mercury [Hg(II)] to bacteria were tested by using a mer-lux bioindicator (O. Selifonova, R. Burlage, and T. Barkay, Appl. Environ. Microbiol. 59:3083-3090, 1993). A decline in Hg(II)-dependent light production was observed in the presence of increasing concentrations of DOC, and this decline was more pronounced at pH 7 than at pH 5, suggesting that DOC is a factor controlling the bioavailability of Hg(II). A thermodynamic model (MINTEQA2) was used to select assay conditions that clearly distinguished among various Hg(II) species. By using this approach, it was shown that negatively charged forms of mercuric chloride (HgCl3-/HgCl(4)2-) induced less light production than the electrochemically neutral form (HgCl2), and no difference was observed between the two neutral forms, HgCl2 and Hg(OH)2. These results suggest that the negative charge of Hg(II) species reduces their availability to bacteria and may be one reason why accumulation of CH3Hg(I) is more often reported to occur in freshwater than in estuarine and marine biota.
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