Search Results - "Fowle, D. A."

Mesophilic microorganisms build terrestrial mats analogous to Precambrian microbial jungles by Finke, N., Simister, R. L., O’Neil, A. H., Nomosatryo, S., Henny, C., MacLean, L. C., Canfield, D. E., Konhauser, K., Lalonde, S. V., Fowle, D. A., Crowe, S. A.

“…Development of Archean paleosols and patterns of Precambrian rock weathering suggest colonization of continents by subaerial microbial mats long before…”
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Biogeochemistry of manganese in ferruginous Lake Matano, Indonesia by Jones, C., Crowe, S. A., Sturm, A., Leslie, K. L., MacLean, L. C. W., Katsev, S., Henny, C., Fowle, D. A., Canfield, D. E.

“…This study explores Mn biogeochemistry in a stratified, ferruginous lake, a modern analogue to ferruginous oceans. Intense Mn cycling occurs in the chemocline…”
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Deep-water anoxygenic photosythesis in a ferruginous chemocline by Crowe, S. A., Maresca, J. A., Jones, C., Sturm, A., Henny, C., Fowle, D. A., Cox, R. P., Delong, E. F., Canfield, D. E.

“…Ferruginous Lake Matano, Indonesia hosts one of the deepest anoxygenic photosynthetic communities on Earth. This community is dominated by low‐light adapted,…”
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Sorption of Cadmium and Lead by Bacteria-Ferrihydrite Composites by Kulczycki, E., Fowle, D. A., Fortin, D., Ferris, F. G.

“…The sorptive behavior of bacteria-iron oxide composites was investigated in batch metal sorption assays using ferrihydrite in isolation (0.13 and 0.14 g/L…”
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The methane cycle in ferruginous Lake Matano by CROWE, S. A., KATSEV, S., LESLIE, K., STURM, A., MAGEN, C., NOMOSATRYO, S., PACK, M. A., KESSLER, J. D., REEBURGH, W. S., ROBERTS, J. A., GONZÁLEZ, L., DOUGLAS HAFFNER, G., MUCCI, A., SUNDBY, B., FOWLE, D. A.

“…In Lake Matano, Indonesia, the world’s largest known ferruginous basin, more than 50% of authigenic organic matter is degraded through methanogenesis, despite…”
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XAFS determination of the bacterial cell wall functional groups responsible for complexation of Cd and U as a function of pH by Kelly, S D, Boyanov, M I, Bunker, B A, Fein, J B, Fowle, D A, Yee, N, Kemner, K M

“…Bacteria, which are ubiquitous in near-surface geologic systems, can affect the distribution and fate of metals in these systems through adsorption reactions…”
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Shifting microbial communities sustain multiyear iron reduction and methanogenesis in ferruginous sediment incubations by Bray, M. S., Wu, J., Reed, B. C., Kretz, C. B., Belli, K. M., Simister, R. L., Henny, C., Stewart, F. J., DiChristina, T. J., Brandes, J. A., Fowle, D. A., Crowe, S. A., Glass, J. B.

“…Reactive Fe(III) minerals can influence methane (CH4) emissions by inhibiting microbial methanogenesis or by stimulating anaerobic CH4 oxidation. The balance…”
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Adsorption of cadmium to Bacillus subtilis bacterial cell walls: a pH-dependent X-ray absorption fine structure spectroscopy study by Boyanov, M.I., Kelly, S.D., Kemner, K.M., Bunker, B.A., Fein, J.B., Fowle, D.A.

“…The local atomic environment of Cd bound to the cell wall of the gram-positive bacterium Bacillus subtilis was determined by X-ray absorption fine structure…”
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X-ray absorption fine structure determination of pH-dependent U-bacterial cell wall interactions by Kelly, S.D, Kemner, K.M, Fein, J.B, Fowle, D.A, Boyanov, M.I, Bunker, B.A, Yee, N

“…X-ray absorption fine structure (XAFS) measurements was used at the U L3-edge to directly determine the pH dependence of the cell wall functional groups…”
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A Donnan potential model for metal sorption onto Bacillus subtilis by Yee, Nathan, Fowle, David A., Ferris, F.Grant

“…In this study, we conducted electrophoretic mobility, potentiometric titration, and metal sorption experiments to investigate the surface charge…”
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Alteration of iron-rich lacustrine sediments by dissimilatory iron-reducing bacteria by CROWE, S. A., ROBERTS, J. A., WEISENER, C. G., FOWLE, D. A.

“…ABSTRACT The reduction of Fe during bacterial anaerobic respiration in sediments and soils not only causes the degradation of organic matter but also results…”
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Geochemical modeling of ZnS in biofilms; an example of ore depositional processes by Druschel, G. K, Labrenz, M, Thomsen-Ebert, T, Fowle, D. A, Banfield, J. F

“…The precipitation of nearly pure, nanocrystalline zinc sulfides (primarily sphalerite and wurtzite)within a biofilm dominated by sulfate-reducing bacteria of…”
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Experimental Study of Uranyl Adsorption onto Bacillus subtilis by Fowle, David A, Fein, Jeremy B, Martin, Aaron M

“…Uranyl adsorption onto the Gram-positive soil bacterium Bacillus subtilis was measured using batch experiments in 0.1 M NaClO4 as a function of pH, time, and…”
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Micromorphology and stable-isotope geochemistry of historical pedogenic siderite formed in PAH-contaminated alluvial Clay soils, Tennessee, U.S.A by Driese, Steven G, Ludvigson, Greg A, Roberts, Jennifer A, Fowle, David A, González, Luis A, Smith, Jon Jay, Vulava, Vijay M, McKay, Larry D

“…Alluvial clay soil samples from six boreholes advanced to depths of 400-450 cm (top of limestone bedrock) from the Chattanooga Coke Plant (CCP) site were…”
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Trace lead impacts biomineralization pathways during bacterial iron reduction by Sturm, Arne, Crowe, Sean A., Fowle, David A.

“…Dissimilatory Iron Reduction (DIR) is often implicated in both the remobilization of trace metals from sediments, and in the sequestration of trace metals into…”
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Nonmetabolic Reduction of Cr(VI) by Bacterial Surfaces Under Nutrient-Absent Conditions by Fein, Jeremy B., Fowle, David A., Cahill, Joshua, Kemner, Ken, Boyanov, Maxim, Bunker, Bruce

“…We have measured the ability of nonmetabolizing cells of the bacterial species Bacillus subtilis, Sporosarcina ureae , and Shewanella putrefaciens to reduce…”
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Comparison of the Structures of the Metal-thiolate Binding Site in Zn(II)-, Cd(II)-, and Hg(II)-Metallothioneins Using Molecular Modeling Techniques by Fowle, David A., Stillman, Martin J.

“…The first fully energy-minimized structures for a series of structurally related metal complexes of the important mammalian metal binding protein…”
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Increasing shallow groundwater CO2 and limestone weathering, Konza Prairie, USA by Macpherson, G.L., Roberts, J.A., Blair, J.M., Townsend, M.A., Fowle, D.A., Beisner, K.R.

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Methanobactin-promoted dissolution of Cu-substituted borosilicate glass by KULCZYCKI, E., FOWLE, D. A., KNAPP, C., GRAHAM, D. W., ROBERTS, J. A.

“…ABSTRACT Mineral weathering plays an important role in the global cycling of carbon and metals and there is an increasing realization that subsurface microbial…”
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The effect of growth phase on proton and metal adsorption by Bacillus subtilis by Daughney, Christopher J, Fowle, David A, Fortin, Danielle

“…Several recent studies have applied surface complexation models to quantify metal adsorption by bacterial surfaces. Although these models can account for the…”
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