Search Results - "Kieft, T L"
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1
The biomass and biodiversity of the continental subsurface
Published in Nature geoscience (01-10-2018)“…Despite accounting for a significant portion of the Earth’s prokaryotic biomass, controls on the abundance and biodiversity of microorganisms residing in the…”
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2
86Kr excess and other noble gases identify a billion-year-old radiogenically-enriched groundwater system
Published in Nature communications (30-06-2022)“…Deep within the Precambrian basement rocks of the Earth, groundwaters can sustain subsurface microbial communities, and are targets of investigation both for…”
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3
Does aspartic acid racemization constrain the depth limit of the subsurface biosphere?
Published in Geobiology (01-01-2014)“…Previous studies of the subsurface biosphere have deduced average cellular doubling times of hundreds to thousands of years based upon geochemical models. We…”
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4
Indigenous and contaminant microbes in ultradeep mines
Published in Environmental microbiology (01-11-2003)“…Summary Rock, air and service water samples were collected for microbial analyses from 3.2 kilometres depth in a working Au mine in the Witwatersrand basin,…”
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5
Dissimilatory Reduction of Fe(III) and Other Electron Acceptors by a Thermus Isolate
Published in Applied and Environmental Microbiology (01-03-1999)“…Classifications Services AEM Citing Articles Google Scholar PubMed Related Content Social Bookmarking CiteULike Delicious Digg Facebook Google+ Mendeley Reddit…”
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6
Changes in ester-linked phospholipid fatty acid profiles of subsurface bacteria during starvation and desiccation in a porous medium
Published in Applied and Environmental Microbiology (01-09-1994)“…Ester-linked phospholipid fatty acid (PLFA) profiles of a Pseudomonas aureofaciens strain and an Arthrobacter protophormiae strain, each isolated from a…”
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7
Workshop to develop deep-life continental scientific drilling projects
Published in Scientific drilling (Hokkaido, Japan) (29-05-2015)“…The International Continental Scientific Drilling Program (ICDP) has long espoused studies of deep subsurface life, and has targeted fundamental questions…”
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8
Survival and phospholipid fatty acid profiles of surface and subsurface bacteria in natural sediment microcosms
Published in Applied and Environmental Microbiology (01-04-1997)“…Although starvation survival has been characterized for many bacteria, few subsurface bacteria have been tested, and few if any have been tested in natural…”
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9
Identification of iron-reducing Thermus strains as Thermus scotoductus
Published in Extremophiles : life under extreme conditions (01-02-2004)“…Thermus strain SA-01, previously isolated from a deep (3.2 km) South African gold mine, is closely related to Thermus strains NMX2 A.1 and VI-7 (previously…”
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10
Fluctuations in populations of subsurface methane oxidizers in coordination with changes in electron acceptor availability
Published in FEMS microbiology ecology (01-07-2018)“…The concentrations of electron donors and acceptors in the terrestrial subsurface biosphere fluctuate due to migration and mixing of subsurface fluids, but the…”
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11
Influence of the gas-water interface on transport of microorganisms through unsaturated porous media
Published in Applied and Environmental Microbiology (01-02-1994)“…In this article, a new mechanism influencing the transport of microorganisms through unsaturated porous media is examined, and a new method for directly…”
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12
Microscopic Physical Biomarkers in Carbonate Hot Springs: Implications in the Search for Life on Mars
Published in Icarus (New York, N.Y. 1962) (01-09-2000)“…Physical evidence of life (physical biomarkers) from the deposits of carbonate hot springs were documented at the scale of microorganisms—submillimeter to…”
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13
Factors limiting microbial growth and activity at a proposed high-level nuclear repository, Yucca Mountain, Nevada
Published in Applied and Environmental Microbiology (01-08-1997)“…As part of the characterization of Yucca Mountain, Nev., as a potential repository for high-level nuclear waste, volcanic tuff was analyzed for microbial…”
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14
Microbiological comparisons within and across contiguous lacustrine, paleosol, and fluvial subsurface sediments
Published in Applied and Environmental Microbiology (01-02-1995)“…Twenty-six subsurface samples were collected from a borehole at depths of 173.3 to 196.8 m in the saturated zone at the Hanford Site in south-central…”
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15
Microbial transport, survival, and succession in a sequence of buried sediments
Published in Microbial ecology (01-11-1998)“…Two chronosequences of unsaturated, buried loess sediments in age from 10,000 years to 1 million years, were investigated to reconstruct patterns of microbial…”
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16
Rapid detection of Escherichia coli O157:H7 by immunomagnetic separation and real-time PCR
Published in International journal of food microbiology (01-03-2005)“…A method combining immunomagnetic separation (IMS) and real-time (5′-nuclease) PCR was developed to detect Escherichia coli O157:H7. Monoclonal antibody…”
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17
Report of the COSPAR mars special regions colloquium
Published in Advances in space research (15-09-2010)“…In this paper we present the findings of a COSPAR Mars Special Regions Colloquium held in Rome in 2007. We review and discuss the definition of Mars Special…”
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18
Post-Sampling Changes in Microbial Community Composition and Activity in a Subsurface Paleosol
Published in Microbial ecology (01-09-1998)“…Laboratory storage of deep vadose zone sediments has previously resulted in an increase in the abundance of cultured microorganisms by as much as 10,000-fold,…”
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19
Characterization of biological ice nuclei from a lichen
Published in Journal of Bacteriology (01-06-1990)“…Biological ice nuclei (active at approximately -4 degrees C) were extracted from cells of the lichen Rhizoplaca chrysoleuca by sonication. Sensitivity to…”
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20
The Distribution of Microbial Taxa in the Subsurface Water of the Kalahari Shield, South Africa
Published in Geomicrobiology journal (01-09-2006)“…Microbial communities within deep subsurface environments were analyzed by 16S rRNA gene cloning. Clone libraries from 27 borehole fluid, 7…”
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