ArticleApplied and environmental microbiology2012
Microbial degradation of 2,4-dichlorophenoxyacetic acid on the Greenland ice sheet.
Article in Applied and environmental microbiology, 2012. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 11 papers.
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Who cites it
11 citing papers in PubMed, 39 citations in OpenAlex.
- Microplastics influence on herbicides removal and biosurfactants production by a Bacillus sp. strain active against Fusarium culmorum.Scientific reports · 2023Article
- Article
- Modified zeolite-supported biofilm in service of pesticide biodegradation.Environmental science and pollution research international · 2021Article
- Storage and export of microbial biomass across the western Greenland Ice Sheet.Nature communications · 2021Article
- Herbicides based on 2,4-D: its behavior in agricultural environments and microbial biodegradation aspects. A review.Environmental science and pollution research international · 2020Review
- Microbial genomics amidst the Arctic crisis.Microbial genomics · 2020Review
- Sources and selection of snow-specific microbial communities in a Greenlandic sea ice snow cover.Scientific reports · 2019Article
- Quantifying the Importance of the Rare Biosphere for Microbial Community Response to Organic Pollutants in a Freshwater Ecosystem.Applied and environmental microbiology · 2017Article
- Polychlorinated Biphenyl (PCB)-Degrading Potential of Microbes Present in a Cryoconite of Jamtalferner Glacier.Frontiers in microbiology · 2017Article
- Biodegradation of 2,4-dichlorophenoxyacetic acid by bacteria with highly antibiotic-resistant pattern isolated from wheat field soils in Kurdistan, Iran.Environmental monitoring and assessment · 2016Article
- Microbial abundance and community structure in a melting alpine snowpack.Extremophiles : life under extreme conditions · 2015Article
Corrections and comments
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Authors and funding
6 authors at 3 institutions in 2 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
The Greenland ice sheet (GrIS) receives organic carbon (OC) of anthropogenic origin, including pesticides, from the atmosphere and/or local sources, and the fate of these compounds in the ice is currently unknown. The ability of supraglacial heterotrophic microbes to mineralize different types of OC is likely a significant factor determining the fate of anthropogenic OC on the ice sheet. Here we determine the potential of the microbial community from the surface of the GrIS to mineralize the widely used herbicide 2,4-dichlorophenoxyacetic acid (2,4-D). Surface ice cores were collected and incubated for up to 529 days in microcosms simulating in situ conditions. Mineralization of side chain- and ring-labeled [(14)C]2,4-D was measured in the samples, and quantitative PCR targeting the tfdA genes in total DNA extracted from the ice after the experiment was performed. We show that the supraglacial microbial community on the GrIS contains microbes that are capable of degrading 2,4-D and that they are likely present in very low numbers. They can mineralize 2,4-D at a rate of up to 1 nmol per m(2) per day, equivalent to ∼26 ng C m(-2) day(-1). Thus, the GrIS should not be considered a mere reservoir of all atmospheric contaminants, as it is likely that some deposited compounds will be removed from the system via biodegradation processes before their potential release due to the accelerated melting of the ice sheet.
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