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  1. Article

    Open Access

    Coupling among Microbial Communities, Biogeochemistry and Mineralogy across Biogeochemical Facies

    Physical properties of sediments are commonly used to define subsurface lithofacies and these same physical properties influence subsurface microbial communities. This suggests an (unexploited) opportunity to ...

    James C. Stegen, Allan Konopka, James P. McKinley, Chris Murray… in Scientific Reports (2016)

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  2. No Access

    Article

    Environmental Controls on the Activity of Aquifer Microbial Communities in the 300 Area of the Hanford Site

    Aquifer microbes in the 300 Area of the Hanford Site in southeastern Washington State, USA, are located in an oligotrophic environment and are periodically exposed to U(VI) concentrations that can range up to ...

    Allan Konopka, Andrew E. Plymale, Denny A. Carvajal, Xueju Lin… in Microbial Ecology (2013)

  3. Article

    Open Access

    Complete genome sequence of Arthrobacter sp. strain FB24

    Arthrobacter sp. strain FB24 is a species in the genus Arthrobacter Conn and Dimmick 1947, in the family Micrococcaceae and class Actinobacteria. A number of Arthrobacter genome sequences have been completed beca...

    Cindy H. Nakatsu, Ravi Barabote, Sue Thompson, David Bruce… in Standards in Genomic Sciences (2013)

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  4. No Access

    Article

    Modeling Microbial Dynamics in Heterogeneous Environments: Growth on Soil Carbon Sources

    We have developed a new kinetic model to study how microbial dynamics are affected by the heterogeneity in the physical structure of the environment and by different strategies for hydrolysis of polymeric carb...

    Haluk Resat, Vanessa Bailey, Lee Ann McCue, Allan Konopka in Microbial Ecology (2012)

  5. No Access

    Article

    Microbial Community Analysis of Soils Contaminated with Lead, Chromium and Petroleum Hydrocarbons

    The impact on the microbial community of long-term environmental exposure to metal and organic contamination was investigated. Twenty-four soil samples were collected along a transect dug in soils contaminated...

    Janet Joynt, Marianne Bischoff, Ron Turco, Allan Konopka… in Microbial Ecology (2006)

  6. No Access

    Article

    Bacterial Activity, Community Structure, and Centimeter-Scale Spatial Heterogeneity in Contaminated Soil

    In an anthropogenically disturbed soil (88% sand, 8% silt, 4% clay), 150-mg samples were studied to examine the fine-scale relationship of bacterial activity and community structure to heavy metal contaminants...

    Joanna M. Becker, Tim Parkin, Cindy H. Nakatsu, Jayson D. Wilbur… in Microbial Ecology (2006)

  7. No Access

    Article

    Aciduric Proteobacteria isolated from pH 2.9 soil

    Acidic (pH 2.9) soil was used as an inoculum to culture heterotrophic bacteria at pH values of 3–4. Four isolates were obtained; on the basis of 16S rDNA sequence, they were shown to be members of the β- and...

    Patrick Curtis, Cindy H. Nakatsu, Allan Konopka in Archives of Microbiology (2002)

  8. No Access

    Article

    Excretion of photosynthetically fixed organic carbon by metalimnetic phytoplankton

    The effects of light intensity, oxygen concentration, and pH on the rates of photosynthesis and net excretion by metalimnetic phytoplankton populations of Little Crooked Lake, Indiana, were studied. Photosynth...

    Charles R. Lovell, Allan Konopka in Microbial Ecology (1985)

  9. No Access

    Article

    Effect of light intensity on macromolecular synthesis in cyanobacteria

    The light-dependent incorporation of NaH14CO3 into low molecular weight compounds, polysaccharide, or protein was determined in cultures of the cyanobacteriumMerismopedia tenuissima incubated at a series of light...

    Allan Konopka, Marilyn Schnur in Microbial Ecology (1980)