Search Results - "Brent C. Christner"

Energy Metabolism Response to Low-Temperature and Frozen Conditions in Psychrobacter cryohalolentis by Amato, Pierre, Christner, Brent C

“…Studies of cold-active enzymes have provided basic information on the molecular and biochemical properties of psychrophiles; however, the physiological…”
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Ubiquity of Biological Ice Nucleators in Snowfall by Christner, Brent C., Morris, Cindy E., Foreman, Christine M., Cai, Rongman, Sands, David C.

“…Despite the integral role of ice nucleators (IN) in atmospheric processes leading to precipitation, their sources and distributions have not been well…”
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Biogeochemical Connectivity Between Freshwater Ecosystems beneath the West Antarctic Ice Sheet and the Sub‐Ice Marine Environment by Vick‐Majors, Trista J., Michaud, Alexander B., Skidmore, Mark L., Turetta, Clara, Barbante, Carlo, Christner, Brent C., Dore, John E., Christianson, Knut, Mitchell, Andrew C., Achberger, Amanda M., Mikucki, Jill A., Priscu, John C.

“…Although subglacial aquatic environments are widespread beneath the Antarctic ice sheet, subglacial biogeochemistry is not well understood, and the…”
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Structural basis of antifreeze activity of a bacterial multi-domain antifreeze protein by Wang, Chen, Pakhomova, Svetlana, Newcomer, Marcia E, Christner, Brent C, Luo, Bing-Hao

“…Antifreeze proteins (AFPs) enhance the survival of organisms inhabiting cold environments by affecting the formation and/or structure of ice. We report the…”
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Molecular and biogeochemical evidence for methane cycling beneath the western margin of the Greenland Ice Sheet by Dieser, Markus, Broemsen, Erik L J E, Cameron, Karen A, King, Gary M, Achberger, Amanda, Choquette, Kyla, Hagedorn, Birgit, Sletten, Ron, Junge, Karen, Christner, Brent C

“…Microbial processes that mineralize organic carbon and enhance solute production at the bed of polar ice sheets could be of a magnitude sufficient to affect…”
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Geographic, seasonal, and precipitation chemistry influence on the abundance and activity of biological ice nucleators in rain and snow by Christner, Brent C, Cai, Rongman, Morris, Cindy E, McCarter, Kevin S, Foreman, Christine M, Skidmore, Mark L, Montross, Scott N, Sands, David C

“…Biological ice nucleators (IN) function as catalysts for freezing at relatively warm temperatures (warmer than -10 °C). We examined the concentration (per…”
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DNA Double-Strand Break Repair at −15°C by DIESER, Markus, BATTISTA, John R, CHRISTNER, Brent C

“…Classifications Services AEM Citing Articles Google Scholar PubMed Related Content Social Bookmarking CiteULike Delicious Digg Facebook Google+ Mendeley Reddit…”
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Microbial Community Structure of Subglacial Lake Whillans, West Antarctica by Achberger, Amanda M, Christner, Brent C, Michaud, Alexander B, Priscu, John C, Skidmore, Mark L, Vick-Majors, Trista J

“…Subglacial Lake Whillans (SLW) is located beneath ∼800 m of ice on the Whillans Ice Stream in West Antarctica and was sampled in January of 2013, providing the…”
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Functional Analysis of a Bacterial Antifreeze Protein Indicates a Cooperative Effect between Its Two Ice-Binding Domains by Wang, Chen, Oliver, Erin E, Christner, Brent C, Luo, Bing-Hao

“…Antifreeze proteins make up a class of ice-binding proteins (IBPs) that are possessed and expressed by certain cold-adapted organisms to enhance their freezing…”
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Wildland fire smoke alters the composition, diversity, and potential atmospheric function of microbial life in the aerobiome by Kobziar, Leda N, Vuono, David, Moore, Rachel, Christner, Brent C, Dean, Timothy, Betancourt, Doris, Watts, Adam C, Aurell, Johanna, Gullett, Brian

“…The atmosphere contains a diverse reservoir of microbes but the sources and factors contributing to microbial aerosol variability are not well constrained. To…”
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bacterial ice-binding protein from the Vostok ice core by Raymond, James A, Christner, Brent C, Schuster, Stephan C

“…Bacterial and yeast isolates recovered from a deep Antarctic ice core were screened for proteins with ice-binding activity, an indicator of adaptation to icy…”
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Scavenging of Sub-Micron to Micron-Sized Microbial Aerosols during Simulated Rainfall by Moore, Rachel A., Hanlon, Regina, Powers, Craig, Schmale, David G., Christner, Brent C.

“…The processes removing aerosols from the atmosphere during rainfall are generically referred to as scavenging. Scavenging influences aerosol distributions in…”
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Limnological Conditions in Subglacial Lake Vostok, Antarctica by Brent C. Christner, George Royston-Bishop, Christine M. Foreman, Brianna R. Arnold, Tranter, Martyn, Kathleen A. Welch, Lyons, W. Berry, Alexandre I. Tsapin, Michael Studinger, Priscu, John C.

“…Subglacial Lake Vostok is located ~4 km beneath the surface of the East Antarctic Ice Sheet and has been isolated from the atmosphere for >15 million yr…”
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Metagenomic analysis of basal ice from an Alaskan glacier by Kayani, Masood Ur Rehman, Doyle, Shawn M, Sangwan, Naseer, Wang, Guanqun, Gilbert, Jack A, Christner, Brent C, Zhu, Ting F

“…Glaciers cover ~ 10% of land but are among the least explored environments on Earth. The basal portion of glaciers often harbors unique aquatic microbial…”
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Macromolecular synthesis by yeasts under frozen conditions by Amato, Pierre, Doyle, Shawn, Christner, Brent C

“…Although viable fungi have been recovered from a wide variety of icy environments, their metabolic capabilities under frozen conditions are still largely…”
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Microbial processes in the weathering crust aquifer of a temperate glacier by Christner, Brent C, Lavender, Heather F, Davis, Christina L, Oliver, Erin E, Neuhaus, Sarah U, Myers, Krista F, Hagedorn, Birgit, Tulaczyk, Slawek M, Doran, Peter T, Stone, William C

“…Incident solar radiation absorbed within the ablation zone of glaciers generates a shallow perched aquifer and seasonal icebound microbial habitat. During the…”
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Physiological Ecology of Microorganisms in Subglacial Lake Whillans by Vick-Majors, Trista J, Mitchell, Andrew C, Achberger, Amanda M, Christner, Brent C, Dore, John E, Michaud, Alexander B, Mikucki, Jill A, Purcell, Alicia M, Skidmore, Mark L, Priscu, John C

“…Subglacial microbial habitats are widespread in glaciated regions of our planet. Some of these environments have been isolated from the atmosphere and from…”
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Draft Genome Sequence of Paenisporosarcina sp. Strain TG-14, a Psychrophilic Bacterium Isolated from Sediment-Laden Stratified Basal Ice from Taylor Glacier, McMurdo Dry Valleys, Antarctica by Koh, Hye Yeon, Lee, Sung Gu, Lee, Jun Hyuck, Doyle, Shawn, Christner, Brent C, Kim, Hak Jun

“…The psychrophilic bacterium Paenisporosarcina sp. TG-14 was isolated from sediment-laden stratified basal ice from Taylor Glacier, McMurdo Dry Valleys,…”
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Bacterial recovery from ancient glacial ice by Christner, Brent C., Mosley-Thompson, Ellen, Thompson, Lonnie G., Reeve, John N.

“…Summary Ice that forms the bottom 18 m of a 308 m ice core drilled from the Guliya ice cap on the Qinghan‐Tibetan plateau in Western China is over 750 000…”
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Molecular identification of Bacteria and Eukarya inhabiting an Antarctic cryoconite hole by CHRISTNER, Brent C, KVITKO, Brian H, REEVE, John N

“…Inhabitants of a cryoconite hole formed in the Canada Glacier in the McMurdo Dry Valley region of Antarctica have been isolated and identified by small subunit…”
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