ArticleApplied and environmental microbiology2007
Identification and isolation of a Castellaniella species important during biostimulation of an acidic nitrate- and uranium-contaminated aquifer.
Article in Applied and environmental microbiology, 2007. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 26 papers.
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Who cites it
26 citing papers in PubMed, 72 citations in OpenAlex.
- Phenotypic and genomic characterization ofMicrobiology spectrum · 2026Article
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- Genomic and environmental controls on Castellaniella biogeography in an anthropogenically disturbed subsurface.Environmental microbiome · 2024Article
- Nutrient availability and plant phenological stage influence the substrate microbiome in container-grown Impatiens walleriana 'Xtreme Red'.BMC plant biology · 2024Article
- Mixed heavy metal stress induces global iron starvation response.The ISME journal · 2023Article
- Sustained Ability of a Natural Microbial Community to Remove Nitrate from Groundwater.Ground water · 2022Article
- Bioleaching and Electrochemical Behavior of Chalcopyrite by a Mixed Culture at Low Temperature.Frontiers in microbiology · 2021Article
- Bioprospecting potential of microbial communities in solid waste landfills for novel enzymes through metagenomic approach.World journal of microbiology & biotechnology · 2020Article
- Nitrate-Utilizing Microorganisms Resistant to Multiple Metals from the Heavily Contaminated Oak Ridge Reservation.Applied and environmental microbiology · 2019Article
- Analysis of uranium removal capacity of anaerobic granular sludge bacterial communities under different initial pH conditions.Environmental science and pollution research international · 2019Article
- Bacterial Community Shift and Coexisting/Coexcluding Patterns Revealed by Network Analysis in a Uranium-Contaminated Site after Bioreduction Followed by Reoxidation.Applied and environmental microbiology · 2018Article
- Fungal pretreatment of raw digested piggery wastewater enhancing the survival of algae as biofuel feedstock.Bioresources and bioprocessing · 2017Article
- Article
- Geodermatophilus poikilotrophi sp. nov.: a multitolerant actinomycete isolated from dolomitic marble.BioMed research international · 2014Article
- Phylogenetically diverse denitrifying and ammonia-oxidizing bacteria in corals Alcyonium gracillimum and Tubastraea coccinea.Marine biotechnology (New York, N.Y.) · 2013Article
- Article
- FunGene: the functional gene pipeline and repository.Frontiers in microbiology · 2013Article
- Denitrifying bacteria from the genus Rhodanobacter dominate bacterial communities in the highly contaminated subsurface of a nuclear legacy waste site.Applied and environmental microbiology · 2012Article
- Linking specific heterotrophic bacterial populations to bioreduction of uranium and nitrate in contaminated subsurface sediments by using stable isotope probing.Applied and environmental microbiology · 2011Article
- Dynamics of microbial community composition and function during in situ bioremediation of a uranium-contaminated aquifer.Applied and environmental microbiology · 2011Article
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Authors and funding
8 authors at 3 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Immobilization of uranium in groundwater can be achieved through microbial reduction of U(VI) to U(IV) upon electron donor addition. Microbial community structure was analyzed in ethanol-biostimulated and control sediments from a high-nitrate (>130 mM), low-pH, uranium-contaminated site in Oak Ridge, TN. Analysis of small subunit (SSU) rRNA gene clone libraries and polar lipid fatty acids from sediments revealed that biostimulation resulted in a general decrease in bacterial diversity. Specifically, biostimulation resulted in an increase in the proportion of Betaproteobacteria (10% of total clones in the control sediment versus 50 and 79% in biostimulated sediments) and a decrease in the proportion of Gammaproteobacteria and Acidobacteria. Clone libraries derived from dissimilatory nitrite reductase genes (nirK and nirS) were also dominated by clones related to Betaproteobacteria (98% and 85% of total nirK and nirS clones, respectively). Within the nirK libraries, one clone sequence made up 59 and 76% of sequences from biostimulated sediments but only made up 10% of the control nirK library. Phylogenetic analysis of SSU rRNA and nirK gene sequences from denitrifying pure cultures isolated from the site indicate that all belong to a Castellaniella species; nearly identical sequences also constituted the majority of biostimulated SSU rRNA and nirK clone libraries. Thus, by combining culture-independent with culture-dependent techniques, we were able to link SSU rRNA clone library information with nirK sequence data and conclude that a potentially novel Castellaniella species is important for in situ nitrate removal at this site.
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