Search Results - "Girguis, PR"

Electron uptake by iron-oxidizing phototrophic bacteria by Bose, A., Gardel, E.J., Vidoudez, C., Parra, E.A., Girguis, P.R.

“…Oxidation–reduction reactions underlie energy generation in nearly all life forms. Although most organisms use soluble oxidants and reductants, some microbes…”
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Respiration control of multicellularity in Bacillus subtilis by a complex of the cytochrome chain with a membrane-embedded histidine kinase by Kolodkin-Gal, Ilana, Elsholz, Alexander K W, Muth, Christine, Girguis, Peter R, Kolter, Roberto, Losick, Richard

“…Bacillus subtilis forms organized multicellular communities known as biofilms wherein the individual cells are held together by a self-produced extracellular…”
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Patterns of sulfur isotope fractionation during microbial sulfate reduction by Bradley, A. S., Leavitt, W. D., Schmidt, M., Knoll, A. H., Girguis, P. R., Johnston, D. T.

“…Studies of microbial sulfate reduction have suggested that the magnitude of sulfur isotope fractionation varies with sulfate concentration. Small apparent…”
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Remarkable Capacity for Anaerobic Oxidation of Methane at High Methane Concentration by Bowles, M.W., Samarkin, V.A., Hunter, K.S., Finke, N., Teske, A.P., Girguis, P.R., Joye, S.B.

“…Anaerobic oxidation of methane (AOM), a central process in the carbon cycle of anoxic environments, moderates the release of methane from soils and sediments…”
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The uptake and excretion of partially oxidized sulfur expands the repertoire of energy resources metabolized by hydrothermal vent symbioses by Beinart, R. A., Gartman, A., Sanders, J. G., Luther, G. W., Girguis, P. R.

“…Symbiotic associations between animals and chemoautotrophic bacteria crowd around hydrothermal vents. In these associations, symbiotic bacteria use chemical…”
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The metabolic demands of endosymbiotic chemoautotrophic metabolism on host physiological capacities by Childress, J J, Girguis, P R

“…While chemoautotrophic endosymbioses of hydrothermal vents and other reducing environments have been well studied, little attention has been paid to the…”
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Duty Cycling Influences Current Generation in Multi-Anode Environmental Microbial Fuel Cells by Gardel, Emily J, Nielsen, Mark E, Grisdela, Phillip T, Girguis, Peter R

“…Improving microbial fuel cell (MFC) performance continues to be the subject of research, yet the role of operating conditions, specifically duty cycling, on…”
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Growth and Population Dynamics of Anaerobic Methane-Oxidizing Archaea and Sulfate-Reducing Bacteria in a Continuous-Flow Bioreactor by Girguis, Peter R, Cozen, Aaron E, DeLong, Edward F

“…The consumption of methane in anoxic marine sediments is a biogeochemical phenomenon mediated by two archaeal groups (ANME-1 and ANME-2) that exist…”
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Identification of Methyl Coenzyme M Reductase A (mcrA) Genes Associated with Methane-Oxidizing Archaea by HALLAM, Steven J, GIRGUIS, Peter R, PRESTON, Christina M, RICHARDSON, Paul M, DELONG, Edward F

“…Classifications Services AEM Citing Articles Google Scholar PubMed Related Content Social Bookmarking CiteULike Delicious Digg Facebook Google+ Mendeley Reddit…”
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Geochemically distinct carbon isotope distributions in Allochromatium vinosum DSM 180 super(T) grown photoautotrophically and photoheterotrophically by Tang, T, Mohr, W, Sattin, SR, Rogers, DR, Girguis, PR, Pearson, A

“…Anoxygenic, photosynthetic bacteria are common at redox boundaries. They are of interest in microbial ecology and geosciences through their role in linking the…”
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Thermal Preference and Tolerance of Alvinellids by Girguis, Peter R, Lee, Raymond W

“…The highest oceanic temperatures are found at hydrothermal vents, where the polychaete Paralvinella sulfincola lives on vent sulfides within steep and dynamic…”
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Anaerobic oxidation of short-chain alkanes in hydrothermal sediments: potential influences on sulfur cycling and microbial diversity by Adams, Melissa M, Hoarfrost, Adrienne L, Bose, Arpita, Joye, Samantha B, Girguis, Peter R

“…Short-chain alkanes play a substantial role in carbon and sulfur cycling at hydrocarbon-rich environments globally, yet few studies have examined the…”
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Growth and Methane Oxidation Rates of Anaerobic Methanotrophic Archaea in a Continuous-Flow Bioreactor by GIRGUIS, Peter R, ORPHAN, Victoria J, HALLAM, Steven J, DELONG, Edward F

“…Classifications Services AEM Citing Articles Google Scholar PubMed Related Content Social Bookmarking CiteULike Delicious Digg Facebook Google+ Mendeley Reddit…”
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Assessing the influence of physical, geochemical and biological factors on anaerobic microbial primary productivity within hydrothermal vent chimneys by Olins, H. C., Rogers, D. R., Frank, K. L., Vidoudez, C., Girguis, P. R.

“…Chemosynthetic primary production supports hydrothermal vent ecosystems, but the extent of that productivity and its governing factors have not been well…”
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On the Potential for Bioenergy and Biofuels from Hydrothermal Vent Microbes by GIRGUIS, PETER R., HOLDEN, JAMES F.

“…The discovery of deep-sea hydrothermal vents caused scientists to reconsider their notions about life in the deep sea. In these seemingly inhospitable…”
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Links from Mantle to Microbe at the Lau Integrated Study Site by Tivey, M K, Becker, E, Beinart, R, Fisher, C R, Girguis, PR, Langmuir, CH, Michael, P J, Reysenbach, A-L

“…The Lau Integrated Study Site (ISS) has provided unique opportunities for study of ridge processes because of its back-arc setting in the southwestern Pacific…”
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A Paradox Resolved: Sulfide Acquisition by Roots of Seep Tubeworms Sustains Net Chemoautotrophy by Freytag, John K., Girguis, Peter R., Bergquist, Derk C., Andras, Jason P., Childress, James J., Fisher, Charles R.

“…Vestimentiferan tubeworms, symbiotic with sulfur-oxidizing chemoautotrophic bacteria, dominate many cold-seep sites in the Gulf of Mexico. The most abundant…”
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Fate of nitrate acquired by the tubeworm Riftia pachyptila by GIRGUIS, P. R, LEE, R. W, DESAULNIERS, N, CHILDRESS, J. J, POSPESEL, M, FELBECK, H, ZAL, F

“…The hydrothermal vent tubeworm Riftia pachyptila lacks a mouth and gut and lives in association with intracellular, sulfide-oxidizing chemoautotrophic…”
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Effects of metabolite uptake on proton-equivalent elimination by two species of deep-sea vestimentiferan tubeworm, Riftia pachyptila and Lamellibrachia cf luymesi: proton elimination is a necessary adaptation to sulfide-oxidizing chemoautotrophic symbionts by Girguis, P R, Childress, J J, Freytag, J K, Klose, K, Stuber, R

“…Intracellular symbiosis requires that the host satisfy the symbiont's metabolic requirements, including the elimination of waste products. The hydrothermal…”
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Physiological Functioning of Carbonic Anhydrase in the Hydrothermal Vent Tubeworm Riftia pachyptila by Goffredi, Shana K., Girguis, Peter R., Childress, James J., Desaulniers, Nicole T.

“…On the basis of our experiments, it is clear that carbonic anhydrase (CA) plays an important role in the CO2-concentrating mechanisms in Riftia pachyptila…”
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