Search Results - "VOYTEK, Mary A"

Stimulation of Methane Generation from Nonproductive Coal by Addition of Nutrients or a Microbial Consortium by JONES, Elizabeth J. P, VOYTEK, Mary A, CORUM, Margo D, OREM, William H

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Microbial community structure of hydrothermal deposits from geochemically different vent fields along the Mid-Atlantic Ridge by Flores, Gilberto E., Campbell, James H., Kirshtein, Julie D., Meneghin, Jennifer, Podar, Mircea, Steinberg, Joshua I., Seewald, Jeffrey S., Tivey, Margaret Kingston, Voytek, Mary A., Yang, Zamin K., Reysenbach, Anna-Louise

“…Summary To evaluate the effects of local fluid geochemistry on microbial communities associated with active hydrothermal vent deposits, we examined the…”
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Organic intermediates in the anaerobic biodegradation of coal to methane under laboratory conditions by Orem, William H., Voytek, Mary A., Jones, Elizabeth J., Lerch, Harry E., Bates, Anne L., Corum, Margo D., Warwick, Peter D., Clark, Arthur C.

“…Organic intermediates in coal fluids produced by anaerobic biodegradation of geopolymers in coal play a key role in the production of methane in natural gas…”
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The effect of coal bed dewatering and partial oxidation on biogenic methane potential by Jones, Elizabeth J.P., Harris, Steve H., Barnhart, Elliott P., Orem, William H., Clark, Arthur C., Corum, Margo D., Kirshtein, Julie D., Varonka, Matthew S., Voytek, Mary A.

“…Coal formation dewatering at a site in the Powder River Basin was associated with enhanced potential for secondary biogenic methane determined by using a…”
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Ammonia-oxidizing bacterial community composition in estuarine and oceanic environments assessed using a functional gene microarray by Ward, Bess B, Eveillard, Damien, Kirshtein, Julie D, Nelson, Joshua D, Voytek, Mary A, Jackson, George A

“…The relationship between environmental factors and functional gene diversity of ammonia-oxidizing bacteria (AOB) was investigated across a transect from the…”
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The Ladder of Life Detection by Neveu, Marc, Hays, Lindsay E, Voytek, Mary A, New, Michael H, Schulte, Mitchell D

“…We describe the history and features of the Ladder of Life Detection, a tool intended to guide the design of investigations to detect microbial life within the…”
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Comparison of Bacteroides-Prevotella 16S rRNA Genetic Markers for Fecal Samples from Different Animal Species by FOGARTY, Lisa R, VOYTEK, Mary A

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A record of phosphorus dynamics in oligotrophic lake sediment by Wilson, Tiffany A., Amirbahman, Aria, Norton, Stephen A., Voytek, Mary A.

“…Historical phosphorus (P) dynamics were studied using sediment cores from three oligotrophic, acidic lakes in Maine, USA. Long-term oligotrophy of these lakes…”
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Hyporheic zone denitrification: Controls on effective reaction depth and contribution to whole-stream mass balance by Harvey, Judson W., Böhlke, J. K., Voytek, Mary A., Scott, Durelle, Tobias, Craig R.

“…Stream denitrification is thought to be enhanced by hyporheic transport but there is little direct evidence from the field. To investigate at a field site, we…”
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Geomicrobiology of Subglacial Ice Above Lake Vostok, Antarctica by Priscu, John C., Adams, Edward E., Lyons, W. Berry, Voytek, Mary A., Mogk, David W., Brown, Robert L., McKay, Christopher P., Takacs, Cristina D., Welch, Kathy A., Wolf, Craig F., Kirshtein, Julie D., Avci, Recep

“…Data from ice 3590 meters below Vostok Station indicate that the ice was accreted from liquid water associated with Lake Vostok. Microbes were observed at…”
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Aspergillus penicillioides differentiation and cell division at 0.585 water activity by Stevenson, Andrew, Hamill, Philip G., O'Kane, Callum J., Kminek, Gerhard, Rummel, John D., Voytek, Mary A., Dijksterhuis, Jan, Hallsworth, John E.

“…Summary Water availability acts as the most stringent constraint for life on Earth. Thus, understanding the water relations of microbial extremophiles is…”
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Role of microbial iron reduction in the dissolution of iron hydroxysulfate minerals by Jones, Elizabeth J. P., Nadeau, Tracie-Lynn, Voytek, Mary A., Landa, Edward R.

“…Iron‐hydroxysulfate minerals can be important hosts for metals such as lead, mercury, copper, zinc, silver, chromium, arsenic, and selenium and for…”
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Multiplication of microbes below 0.690 water activity: implications for terrestrial and extraterrestrial life by Stevenson, Andrew, Burkhardt, Jürgen, Cockell, Charles S., Cray, Jonathan A., Dijksterhuis, Jan, Fox-Powell, Mark, Kee, Terence P., Kminek, Gerhard, McGenity, Terry J., Timmis, Kenneth N., Timson, David J., Voytek, Mary A., Westall, Frances, Yakimov, Michail M., Hallsworth, John E.

“…Summary Since a key requirement of known life forms is available water (water activity; aw), recent searches for signatures of past life in terrestrial and…”
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Is there a common water-activity limit for the three domains of life? by Stevenson, Andrew, Cray, Jonathan A, Williams, Jim P, Santos, Ricardo, Sahay, Richa, Neuenkirchen, Nils, McClure, Colin D, Grant, Irene R, Houghton, Jonathan DR, Quinn, John P, Timson, David J, Patil, Satish V, Singhal, Rekha S, Antón, Josefa, Dijksterhuis, Jan, Hocking, Ailsa D, Lievens, Bart, Rangel, Drauzio E N, Voytek, Mary A, Gunde-Cimerman, Nina, Oren, Aharon, Timmis, Kenneth N, McGenity, Terry J, Hallsworth, John E

“…Archaea and Bacteria constitute a majority of life systems on Earth but have long been considered inferior to Eukarya in terms of solute tolerance. Whereas the…”
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The effect of sediment mixing on mercury dynamics in two intertidal mudflats at Great Bay Estuary, New Hampshire, USA by Brown, Lauren E., Chen, Celia Y., Voytek, Mary A., Amirbahman, Aria

“…Estuarine sediments store particulate contaminants including mercury (Hg). We studied Hg sediment dynamics in two intertidal mudflats at Great Bay estuary, NH,…”
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A ubiquitous thermoacidophilic archaeon from deep-sea hydrothermal vents by Reysenbach, Anna-Louise, Liu, Yitai, Banta, Amy B, Beveridge, Terry J, Kirshtein, Julie D, Schouten, Stefan, Tivey, Margaret K, Von Damm, Karen L, Voytek, Mary A

“…Deep-sea hydrothermal vents are important in global biogeochemical cycles, providing biological oases at the sea floor that are supported by the thermal and…”
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Multi-scale measurements and modeling of denitrification in streams with varying flow and nitrate concentration in the upper Mississippi River basin, USA by Böhlke, John Karl, Antweiler, Ronald C, Harvey, Judson W, Laursen, Andrew E, Smith, Lesley K, Smith, Richard L, Voytek, Mary A

“…Denitrification is an important net sink for NO₃ ⁻ in streams, but direct measurements are limited and in situ controlling factors are not well known. We…”
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The effects of co-contaminants and native wetland sediments on the activity and dominant transformation mechanisms of a 1,1,2,2-tetrachloroethane (TeCA)-degrading enrichment culture by Schiffmacher, Emily N., Becker, Jennifer G., Lorah, Michelle M., Voytek, Mary A.

“…Bioremediation strategies, including bioaugmentation with chlorinated ethene-degrading enrichment cultures, have been successfully applied in the cleanup of…”
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Bioassay for estimating the biogenic methane-generating potential of coal samples by Jones, Elizabeth J.P., Voytek, Mary A., Warwick, Peter D., Corum, Margo D., Cohn, Alexander, Bunnell, Joseph E., Clark, Arthur C., Orem, William H.

“…Generation of secondary biogenic methane in coal beds is likely controlled by a combination of factors such as the bioavailability of coal carbon, the presence…”
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Where will curiosity take us? by Voytek, Mary A

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