ArticleApplied and environmental microbiology2014
Bacterial targets as potential indicators of diesel fuel toxicity in subantarctic soils.
Article in Applied and environmental microbiology, 2014. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 25 papers.
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Who cites it
25 citing papers in PubMed, 83 citations in OpenAlex.
- Assessing Diesel Tolerance ofACS omega · 2024Article
- Autochthonous psychrophilic hydrocarbonoclastic bacteria and its ecological function in contaminated cold environments.Biodegradation · 2024Review
- Natural and anthropogenic carbon input affect microbial activity in salt marsh sediment.Frontiers in microbiology · 2023Article
- Utilization of-Omic technologies in cold climate hydrocarbon bioremediation: a text-mining approach.Frontiers in microbiology · 2023Review
- Oil Absorbent Polypropylene Particles Stimulate Biodegradation of Crude Oil by Microbial Consortia.Frontiers in microbiology · 2022Article
- Using an expert judgment response matrix to assess the risk of groundwater discharges from remediated fuel spill sites to the marine environment at sub-Antarctic Macquarie Island, Australia.Integrated environmental assessment and management · 2021Article
- Article
- Diesel in Antarctica and a Bibliometric Study on Its Indigenous Microorganisms as Remediation Agent.International journal of environmental research and public health · 2021Review
- Article
- A symbiotic nutrient exchange within the cyanosphere microbiome of the biocrust cyanobacterium, Microcoleus vaginatus.The ISME journal · 2021Article
- The ecological roles of microbial lipopeptides: Where are we going?Computational and structural biotechnology journal · 2021Review
- Bioremediation byMicroorganisms · 2020Article
- Ecotoxicity of soil contaminated with diesel fuel and biodiesel.Scientific reports · 2020Article
- Soil Microbiomes With the Genetic Capacity for Atmospheric Chemosynthesis Are Widespread Across the Poles and Are Associated With Moisture, Carbon, and Nitrogen Limitation.Frontiers in microbiology · 2020Article
- Distinct Drivers of Core and Accessory Components of Soil Microbial Community Functional Diversity under Environmental Changes.mSystems · 2019Article
- Petroleum Hydrocarbon Contamination in Terrestrial Ecosystems-Fate and Microbial Responses.Molecules (Basel, Switzerland) · 2019Review
- Flavobacterium petrolei sp. nov., a novel psychrophilic, diesel-degrading bacterium isolated from oil-contaminated Arctic soil.Scientific reports · 2019Article
- Understanding and Designing the Strategies for the Microbe-Mediated Remediation of Environmental Contaminants Using Omics Approaches.Frontiers in microbiology · 2018Review
- Petroleum Hydrocarbon-Degrading Bacteria for the Remediation of Oil Pollution Under Aerobic Conditions: A Perspective Analysis.Frontiers in microbiology · 2018Review
- Isolation and Characterization of Phenanthrene Degrading Bacteria from Diesel Fuel-Contaminated Antarctic Soils.Frontiers in microbiology · 2017Article
Corrections and comments
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Authors and funding
5 authors at 4 institutions in 2 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Appropriate remediation targets or universal guidelines for polar regions do not currently exist, and a comprehensive understanding of the effects of diesel fuel on the natural microbial populations in polar and subpolar soils is lacking. Our aim was to investigate the response of the bacterial community to diesel fuel and to evaluate if these responses have the potential to be used as indicators of soil toxicity thresholds. We set up short- and long-exposure tests across a soil organic carbon gradient. Utilizing broad and targeted community indices, as well as functional genes involved in the nitrogen cycle, we investigated the bacterial community structure and its potential functioning in response to special Antarctic blend (SAB) diesel fuel. We found the primary effect of diesel fuel toxicity was a reduction in species richness, evenness, and phylogenetic diversity, with the resulting community heavily dominated by a few species, principally Pseudomonas. The decline in richness and phylogenetic diversity was linked to disruption of the nitrogen cycle, with species and functional genes involved in nitrification significantly reduced. Of the 11 targets we evaluated, we found the bacterial amoA gene indicative of potential ammonium oxidation, the most suitable indicator of toxicity. Dose-response modeling for this target generated an average effective concentration responsible for 20% change (EC20) of 155 mg kg(-1), which is consistent with previous Macquarie Island ecotoxicology assays. Unlike traditional single-species tolerance testing, bacterial targets allowed us to simultaneously evaluate more than 1,700 species from 39 phyla, inclusive of rare, sensitive, and functionally relevant portions of the community.
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Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.