ArticleApplied and environmental microbiology2012
Microbial functional gene diversity with a shift of subsurface redox conditions during In Situ uranium reduction.
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 17 papers.
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Who cites it
17 citing papers in PubMed.
- Analysis of Microbial Community Heterogeneity and Carbon Fixation Capabilities in Oil-Contaminated Soils in Chinese Onshore Oilfields.Microorganisms · 2024Article
- In-field bioreactors demonstrate dynamic shifts in microbial communities in response to geochemical perturbations.PloS one · 2020Article
- Article
- Comparative metatranscriptomics reveals extracellular electron transfer pathways conferring microbial adaptivity to surface redox potential changes.The ISME journal · 2018Article
- Transient OMicrobiome · 2018Article
- Insights from the Genomes of Microbes Thriving in Uranium-Enriched Sediments.Microbial ecology · 2018Article
- Microbial Functional Gene Diversity Predicts Groundwater Contamination and Ecosystem Functioning.mBio · 2018Article
- The shifts of sediment microbial community phylogenetic and functional structures during chromium (VI) reduction.Ecotoxicology (London, England) · 2016Article
- A comprehensive insight into functional profiles of free-living microbial community responses to a toxic Akashiwo sanguinea bloom.Scientific reports · 2016Article
- Metagenomic applications in environmental monitoring and bioremediation.Journal of industrial microbiology & biotechnology · 2016Review
- Metals other than uranium affected microbial community composition in a historical uranium-mining site.Environmental science and pollution research international · 2015Article
- Dynamic Succession of Groundwater Functional Microbial Communities in Response to Emulsified Vegetable Oil Amendment during Sustained In Situ U(VI) Reduction.Applied and environmental microbiology · 2015Article
- Biogeography of the sediment bacterial community responds to a nitrogen pollution gradient in the East China Sea.Applied and environmental microbiology · 2014Article
- U(VI) reduction in sulfate-reducing subsurface sediments amended with ethanol or acetate.Applied and environmental microbiology · 2013Article
- Profiling in situ microbial community structure with an amplification microarray.Applied and environmental microbiology · 2013Article
- Fermentation and hydrogen metabolism affect uranium reduction by clostridia.ISRN biotechnology · 2013Article
- Use of functional gene arrays for elucidating in situ biodegradation.Frontiers in microbiology · 2012Article
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13 authors.
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Abstract
To better understand the microbial functional diversity changes with subsurface redox conditions during in situ uranium bioremediation, key functional genes were studied with GeoChip, a comprehensive functional gene microarray, in field experiments at a uranium mill tailings remedial action (UMTRA) site (Rifle, CO). The results indicated that functional microbial communities altered with a shift in the dominant metabolic process, as documented by hierarchical cluster and ordination analyses of all detected functional genes. The abundance of dsrAB genes (dissimilatory sulfite reductase genes) and methane generation-related mcr genes (methyl coenzyme M reductase coding genes) increased when redox conditions shifted from Fe-reducing to sulfate-reducing conditions. The cytochrome genes detected were primarily from Geobacter sp. and decreased with lower subsurface redox conditions. Statistical analysis of environmental parameters and functional genes indicated that acetate, U(VI), and redox potential (E(h)) were the most significant geochemical variables linked to microbial functional gene structures, and changes in microbial functional diversity were strongly related to the dominant terminal electron-accepting process following acetate addition. The study indicates that the microbial functional genes clearly reflect the in situ redox conditions and the dominant microbial processes, which in turn influence uranium bioreduction. Microbial functional genes thus could be very useful for tracking microbial community structure and dynamics during bioremediation.
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