Search Results - "Casey, J R"
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Phylogenetically and catabolically diverse diazotrophs reside in deep-sea cold seep sediments
Published in Nature communications (19-08-2022)“…Microbially mediated nitrogen cycling in carbon-dominated cold seep environments remains poorly understood. So far anaerobic methanotrophic archaea (ANME-2)…”
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Metabolic potential of uncultured bacteria and archaea associated with petroleum seepage in deep-sea sediments
Published in Nature communications (18-04-2019)“…The lack of microbial genomes and isolates from the deep seabed means that very little is known about the ecology of this vast habitat. Here, we investigate…”
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Deep sea sediments associated with cold seeps are a subsurface reservoir of viral diversity
Published in The ISME Journal (01-08-2021)“…In marine ecosystems, viruses exert control on the composition and metabolism of microbial communities, influencing overall biogeochemical cycling. Deep sea…”
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Diesel and Crude Oil Biodegradation by Cold-Adapted Microbial Communities in the Labrador Sea
Published in Applied and environmental microbiology (28-09-2021)“…Oil spills in the subarctic marine environment off the coast of Labrador, Canada, are increasingly likely due to potential oil production and increases in ship…”
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Thermogenic hydrocarbon biodegradation by diverse depth-stratified microbial populations at a Scotian Basin cold seep
Published in Nature communications (17-11-2020)“…At marine cold seeps, gaseous and liquid hydrocarbons migrate from deep subsurface origins to the sediment-water interface. Cold seep sediments are known to…”
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Evolutionary ecology of microbial populations inhabiting deep sea sediments associated with cold seeps
Published in Nature communications (28-02-2023)“…Deep sea cold seep sediments host abundant and diverse microbial populations that significantly influence biogeochemical cycles. While numerous studies have…”
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Viruses in deep-sea cold seep sediments harbor diverse survival mechanisms and remain genetically conserved within species
Published in The ISME Journal (01-10-2023)“…Deep sea cold seep sediments have been discovered to harbor novel, abundant, and diverse bacterial and archaeal viruses. However, little is known about viral…”
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8
Hydrocarbon seepage in the deep seabed links subsurface and seafloor biospheres
Published in Proceedings of the National Academy of Sciences - PNAS (19-05-2020)“…Marine cold seeps transmit fluids between the subseafloor and seafloor biospheres through upward migration of hydrocarbons that originate in deep sediment…”
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Using Thermodynamics to Predict the Outcomes of Nitrate-Based Oil Reservoir Souring Control Interventions
Published in Frontiers in microbiology (19-12-2017)“…Souring is the undesirable production of hydrogen sulfide (H S) in oil reservoirs by sulfate-reducing bacteria (SRB). Souring is a common problem during…”
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10
The Critical Role of Environmental Synergies in the Creation of Bionanohybrid Microbes
Published in Applied and environmental microbiology (12-04-2022)“…A wide range of bacteria can synthesize surface-associated nanoparticles (SANs) through exogenous metal ions reacting with sulfide produced via cysteine…”
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Endospores of thermophilic bacteria as tracers of microbial dispersal by ocean currents
Published in The ISME Journal (01-06-2014)“…Microbial biogeography is influenced by the combined effects of passive dispersal and environmental selection, but the contribution of either factor can be…”
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Environmental Selection and Biogeography Shape the Microbiome of Subsurface Petroleum Reservoirs
Published in mSystems (27-04-2023)“…Petroleum reservoirs within the deep biosphere are extreme environments inhabited by diverse microbial communities and represent biogeochemical hot spots in…”
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CANT-HYD: A Curated Database of Phylogeny-Derived Hidden Markov Models for Annotation of Marker Genes Involved in Hydrocarbon Degradation
Published in Frontiers in microbiology (07-01-2022)“…Many pathways for hydrocarbon degradation have been discovered, yet there are no dedicated tools to identify and predict the hydrocarbon degradation potential…”
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14
Massive dominance of Epsilonproteobacteria in formation waters from a Canadian oil sands reservoir containing severely biodegraded oil
Published in Environmental microbiology (01-02-2012)“…Summary The subsurface microbiology of an Athabasca oil sands reservoir in western Canada containing severely biodegraded oil was investigated by combining 16S…”
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Comparison of sulfide‐oxidizing Sulfurimonas strains reveals a new mode of thiosulfate formation in subsurface environments
Published in Environmental microbiology (01-05-2020)“…Summary Sulfur‐oxidizing Sulfurimonas spp. are widespread in sediments, hydrothermal vent fields, aquifers and subsurface environments such as oil reservoirs…”
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Activity and community structures of sulfate-reducing microorganisms in polar, temperate and tropical marine sediments
Published in The ISME Journal (01-04-2016)“…Temperature has a fundamental impact on the metabolic rates of microorganisms and strongly influences microbial ecology and biogeochemical cycling in the…”
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"Freezing" Thermophiles: From One Temperature Extreme to Another
Published in Microorganisms (Basel) (06-12-2022)“…New detections of thermophiles in psychrobiotic (i.e., bearing cold-tolerant life forms) marine and terrestrial habitats including Arctic marine sediments,…”
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SituSeq: an offline protocol for rapid and remote Nanopore 16S rRNA amplicon sequence analysis
Published in ISME Communications (20-04-2023)“…Microbiome analysis through 16S rRNA gene sequencing is a crucial tool for understanding the microbial ecology of any habitat or ecosystem. However, workflows…”
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Quantitative Evaluation of Municipal Wastewater Disinfection by 280 nm UVC LED
Published in Water (Basel) (01-03-2023)“…UV-LED irradiation has attracted attention in water and wastewater disinfection applications. However, no studies have quantitatively investigated the impact…”
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Metabolic responses of thermophilic endospores to sudden heat-induced perturbation in marine sediment samples
Published in Frontiers in microbiology (12-08-2022)“…Microbially mediated processes in a given habitat tend to be catalyzed by abundant populations that are ecologically adapted to exploit specific environmental…”
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