SELECTED CONFERENCE ABSTRACTS
Amend Lab Post-doc (@), Graduate Student (#), Undergraduate Student ($)
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Lu, G-S# and Amend, JP (2015) Insight from genomics on biogeochemical cycles in a shallow-sea hydrothermal system. American Geophysical Union, San Francisco, CA.
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Osburn, MR, Amend, JP, LaRowe, DE, Momper, LM#, Wanger, GP, Reese, BK, El-Naggar, MY, Bhartia, R, Orphan, VJ, Jangir, Y, Moser, D (2015) Habitability of the terrestrial deep subsurface: Sanford Underground Research Facility, South Dakota, USA. Astrobiology Science Conference, Chicago, IL.
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Jangir, Y, Momper, LM#, Reese, BK, Wanger, G, Amend, JP, El-Naggar, MY (2015) Laboratory and in situ electrode cultivation of subsurface microorganisms. Astrobiology Science Conference, Chicago, IL.
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LaRowe, DE and Amend, JP (2015) Bioenergetic and kinetic constraints on microbial communities supported by water rock interactions. Astrobiology Science Conference, Chicago, IL.
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Momper, LM#, Osburn, MR, Amend, JP (2015) Correlating geochemistry and microbial community composition in the deep continental biosphere. Astrobiology Science Conference, Chicago, IL.
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Moser, DP, Hamilton-Brehm, SD, Kruger, B, Sackett, J, Momper, L#, Amend, JP, Wanger, G (2015) Fault-controlled deep ecosystems of the Death Valley extensional zone. Astrobiology Science Conference, Chicago, IL.
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Osburn, MR, Schubotz, F, Summons, RE, Amend, JP (2015) Distribution of lipid biomarkers along geochemical gradients in a deep subsurface environment. Astrobiology Science Conference, Chicago, IL.
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Sobron, P, Barge, LM, Amend, JP, Church, M, Dubord, L, Fristad, K, Kirkwood, B, Misra, A, Nealson, K, Parente, M, Price, R, Russell, M, Smith, M, Zacny, K, Leveille, R, Reese, B, Thornton, B, Takai, K (2015) A multi-sensor payload concept for the exploration of planetary underwater hydrothermal systems. Astrobiology Science Conference, Chicago, IL.
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Wanger, G, Mullin, SW, Kruger, BR, Hamilton-Brehm, SD, SAckett, JD, Momper, LM#, Moser, DP, Orphan, VJ, Bhartia, R, Amend, JP (2015) Microscopic and spectroscopic analysis of microbes colonizing mineral coupons incubated at ~750 m depth in a borehole near Death Valley, CA, USA. Astrobiology Science Conference, Chicago, IL.
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Kotopoulou, I, Godelitsas, A, Göttlicher, J, Steininger, R, Price, R, Fike, DA, Amend, JP, Gilhooly III, WP, Druschel, GK, Mertzimekis, TJ, Gamaletsos, P, Kafantaris, FCA (2015) Sulfur mineralogy and speciation in the shallow-sea hydrothermal sediments off Milos Island (Greece). Goldschmidt Conference, Prague, Czech Republic.
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Price, RE, Hoehler, T, Boyd, E, Wehrmann, LM, Amend, JP (2015) Off-axis shallow-sea venting of alkaline, H2 and CH4 enriched fluids: the Strytan Hydrothermal Field (SHF), Eyjafjördur, Iceland. Goldschmidt Conference, Prague, Czech Republic.
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Osburn, MR, Schubotz, F, Momper, LM#, Reese, BK, Summons, RE, Amend, JP (2015) Lipid biomarkers of the deep terrestrial subsurface biosphere. International Meeting on Organic Geochemistry, Prague, Czech Republic.
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LaRowe, DE and Amend, JP (2015) The energetics of anabolism in natural environments. Workshop on Microbial Life Under Extreme Energy Limitation, Sandbjerg Castle, Denmark.
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Lu, G-S# and Amend, JP (2015) Biogeochemical As-Fe-S cycling in shallow-sea hydrothermal systems. Southern California Geobiology Conference, Riverside, CA.
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Zinke, LA#, Reese, BK, Amend, JP (2015) Diversity of methane cycling organisms in deep sediment of the Baltic Sea Basin. Southern California Geobiology Conference, Riverside, CA.
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Jangir, Y, Momper, LM#, Amend, JP, El-Naggar, MY (2014) Electrode cultivation of subsurface microorganisms. International Symposium on Subsurface Microbiology, Pacific Grove, CA.
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Osburn, MR@, Schubotz, F, Summons, RE, Amend, JP (2014) Lipid biomarkers of the continental deep subsurface: Homestake Mine, USA. Gordon Research Conference, Holderness, NH.
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Jangir, Y, Momper, LM#, Amend, JP, El-Naggar, MY (2014) Electrode cultivation of subsurface microorganisms. Goldschmidt Conference, Sacramento, CA.
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Lu, G-S# and Amend, JP (2014) Microbial Fe-S-As cycling in a shallow-sea hydrothermal system. Goldschmidt Conference, Sacramento, CA.
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LaRowe, DE and Amend, JP (2014) Energy limits on microbial life: growth, maintenance, persistence. Goldschmidt Conference, Sacramento, CA.
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Osburn, MR@, Momper, LM#, Amend, JP (2014) Life underground: energetics and microbial diversity in a gold mine. Goldschmidt Conference, Sacramento, CA.
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Momper, LM#, Osburn, MR@, Amend, JP (2014) Microbial taxonomic diversity of the continental deep biosphere. International Symposium on Microbial Ecology, Seoul, Korea.
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Amend, JP and LaRowe, DE@ (2013) Energetic constraints on life in deep marine sediments. American Geophysical Union, San Francisco, CA.
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LaRowe, DE@ and Amend, JP (2013) Microbial processing of carbon in hydrothermal systems. American Geophysical Union, San Francisco, CA.
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Schubotz, F, Huang, C-I, Meyerdierks, A, Amend, JP, Price, RE@, Amann, R, Hinrichs, K-U, Summons, RE (2013) Bacterial and archaeal community dynamics at CO2-rich shallow-sea hydrothermal vents (Panarea, Italy). American Geophysical Union, San Francisco, CA.
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Lu, G-S# and Amend, JP (2013) Microbial heterotrophy coupled to Fe-S-As cycling in a shallow-sea hydrothermal system. American Geophysical Union, San Francisco, CA.
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Moser, DP et al. (2013) Microbial ecology of a regional flow system: Deep, aerobic, fractured rock aquifers of the US Basin and Range. American Geophysical Union, San Francisco, CA.
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Price, RE@, Lesniewski, R, Amend, JP (2013) Microbial diversity in an arsenic-rich shallow-sea hydrothermal system undergoing phase separation. Goldschmidt Conference, Florence, Italy.
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LaRowe, DE@, Price, RE@, Amend, JP (2013) Geochemical evolution and bioenergetics potential of shallow-sea hydrothermal fluids from Panarea Island (Italy). Goldschmidt Conference, Florence, Italy.
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Lu, GS#, Lin, L-H, Price, RE@, Amend, JP (2013) Novel chemolithoautotrophic arsenite oxidizers from a shallow-sea hydrothermal system in Taiwan. Southern California Geobiology Meeting, Pasadena, CA.
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LaRowe, DE@, Dale, AW, Aguilera, DR, Amend, JP, Regnier, P (2012) Quantifying metabolic rates in submarine hydrothermal vent chimneys: A reaction transport model. American Geophysical Union Fall Meeting, San Francisco, CA.
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Amend, JP and LaRowe, DE@ (2012), Metabolic theory and targeted experiments at low energy. International Society of Microbial Ecology, Copenhagen, Denmark.
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Robador, A, LaRowe, DE@, Lin, H-L, Amend, JP, Cowen, JP (2012) Microbial sulfate reduction in deep subseafloor basaltic fluids. DEBI RCN annual meeting, Bremen, Germany.
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LaRowe, DE@ and Amend, JP (2012) Bioenergetic limitations on organic matter degradation. 2nd international Workshop on Microbial Life under Extreme Energy Limitation, Aarhus, Denmark.
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LaRowe, DE@ and Amend, JP (2012) Bioenergetic limitations on organic matter degradation. Southern California Geobiology Meeting, Riverside, CA.
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Price, RE@, LaRowe, DE@, Planer-Friedrich, B, Gilhooly, WP, Fike, DA, Druschel, G, Amend, JP (2011) The search for arsenotrophs in the arsenic-rich marine shallow-water hydrothermal system off Milos Island, Greece. American Geophysical Union Fall Meeting, San Francisco, CA.
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Ruiz-Chancho, MJ, Pichler, T, Amend, JP, Akerman, NH# (2011) Arsenic metabolism by microbial communities from an arsenic-rich shallow-water hydrothermal system in Ambitle Island, Papua New Guinea. American Geophysical Union Fall Meeting, San Francisco, CA.
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Gilhooly, WP, Fike, D, Amend, JP. Price, R@, Druschel, G (2011) Sulfur isotope systematics of microbial mats in shallow-sea hydrothermal vents, Milos Island, Greece, American Geophysical Union Fall Meeting, San Francisco, CA.
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Amend, JP, Meyer-Dombard, DR, Schrenk, M (2011) Microbial community structures in shallow-sea, deep-sea, and terrestrial hydrothermal systems. Goldschmidt Conference, Prague, Czech Republic.
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Meyer-Dombard, DR, Cardace, D, Loiakono, ST, GuleCal, Y, Woycheese, K, Amend, JP (2011) Biogeochemical cycling in shallow-sea and terrestrial hydrothermal systems. Goldschmidt Conference, Prague, Czech Republic.
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Price, RE@, Nitsche, K, Meyerdierks, A, Amend, JP (2011) Searching for arsenotrophs in the arsenic-rich marine shallow-water hydrothermal vent fluids off Milos Island, Greece. Goldschmidt Conference, Prague, Czech Republic.
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Amend, JP (2011) Geobiological exploration of the deep subseafloor. Geological Society of America, Minneapolis, MN.
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Huang, C-I, Schubotz, F, Price, R@, Amend, JP, Bach, W, Meyerdierks, A, Amann, R (2011) Free-living microbial communities in sediments of a shallow-sea hydrothermal vent site near Panarea Island, Italy. International Meeting for Subsurface Microbiology, Garmisch-Partenkirchen, Germany.
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Schubotz, F, Huang, C-I, Wegener, G, Amend, JP, Price, R@, Holler, T, Meyerdierks, A, Amann, R, Summons, R, Hinrichs, K-U (2011) Microbial community shifts at temperature and geochemical gradients at sulfur-rich shallow hydrothermal vents offshore Panarea Island, Sicily. International Meeting on Organic Geochemistry, Interlaken, Switzerland.
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Lin, H, Cowen, JP, Amend, JP, Albert, DB, Glazer, BT, Rappe, M, Jungbluth, S, Matzinger, M (2010) Organic chemistry of fluids from sediment-buried young basement discrete sampling from ODP borehole 1301A & 1025C. American Geophysical Union, San Francisco, CA.
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Meyer-Dombard, DR, Amend, JP, Summons, RE (2010) Elemental cycling in shallow-sea hydrothermal sediments. Goldschmidt Conference, Knoxville, Tennessee.
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Huang, C-I, Amann, R, Amend, JP, Bach, W, Brunner, B, Meyerdierks, A, Price, R#, Schubotz, F, Summons, R, Wenzhöfer, F (2010) Lithosphere-biosphere interaction at a shallow-sea hydrothermal vent site; Hot Lake, Panarea, Italy. European Geosciences Union, Vienna, Austria.
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Amend, JP, McCollom, TM, Hentscher, M, Bach, W (2010) Geochemical energy for life in deep-sea hydrothermal systems. Astrobiology Science Conference, League City, TX.
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Kong, FJ, Zheng, MP, Wang, A, Ma, NN, Amend, JP (2010) Microbes in evaporite salts on Tibet Plateau as analog for Martian life in salt environments. Astrobiology Science Conference, League City, TX.
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Orphan, VJ, Dekas, AE, Poretsky, R, Amend, JP (2010) Methane-oxidizing archaea fix nitrogen in cooperation with sulfate-reducing bacteria in deep-sea methane seeps. Astrobiology Science Conference, League City, TX.
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Summons, RE, Amend, JP, Buick, R, Cody, GD, Dromart, G, Eigenbrode, JL, Knoll, AH (2010) Identification of biosignature preservation windows to guide MSL landing site selection. Astrobiology Science Conference, League City, TX.
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Amend, JP, Huang, C-I, Amann, R, Bach, W, Meyerdierks, A, Murthy, P, Price, RE, Schubotz, F, Summons, RE, Wenzhoefer, F (2009) Archaea, bacteria, and sulfur-cycling in a shallow-sea hydrothermal ecosystem. American Geophysical Union, San Francisco, CA.
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Pichler, T, Price, RE, and Amend, JP (2009), Unexpected arsenite/arsenate ratios in pore water profiles in a marine shallow-water hydrothermal system. Goldschmidt Conference, Davos, Switzerland.
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Hentscher, M, Bach, W, Perner, M, Koschinsky, A, Garbe-Schönberg, D, Amend, JP (2009), Energetics of catabolic reactions in diffuse hydrothermal fluids – Clues to subseafloor microbial metabolism. Goldschmidt Conference, Davos, Switzerland.
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Hentscher, M, Bach, W, Amend, JP, McCollom, TM (2009), Hydrothermal mixing – fuel for life in the deep-sea. European Geosciences Union, Vienna, Austria.
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Cowen, JP, Glazer, B, Rappe, M. Lin, HT, Matsumoto, R, Matzinger, M, Mojica, K, Nakata, L, Ricardo, A, Youngbluth, S, and Amend, JP (2008), The biogeochemistry and ecology of deep sediment-buried basement biosphere: Juan de Fuca Ridge flanks. American Geophysical Union, Fall Meeting, San Francisco, CA.
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Amend, JP. McCollom, TM, and Bach, W (2008), Geochemical energy for catabolism and anabolism in hydrothermal systems. American Geophysical Union, Fall Meeting, San Francisco, CA.
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Akerman, NH# and Amend, JP (2008) Chemolithotrophic energy and archaeal communities in arsenic-rich, shallow-sea hydrothermal sediments of Papua New Guinea. Goldschmidt Conference, Vancouver, Canada.
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Stam, MC, Mason, PRD, Amend, JP, Vinas, M, and Gerritse, J (2008) Microbial δ34S fractionation in a shallow submarine hydrothermal vent system, Vulcano, Italy. Goldschmidt Conference, Vancouver, Canada.
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Amend, JP, Meyer-Dombard, DR,@ Akerman, NH#, Osburn, MR$, Herndon, EM$, Garey, JR, Rubelman, H, and Wu, T (2007) Archaea and Bacteria in an arsenic-rich shallow-sea hydrothermal system, Papua New Guinea. Goldschmidt Conference, Cologne, Germany.
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Amend, JP and Pichler, T (2006) Microbial geochemistry in shallow-sea hydrothermal systems. American Geophysical Union, Fall Meeting, San Francisco, CA.
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Hsia Akerman, N#, Meyer-Dombard, DR@, Osburn, MR$, and Amend, JP (2006) Archaeal communities in an arsenic-rich shallow-sea hydrothermal system. American Geophysical Union, Fall Meeting, San Francisco, CA.
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Meyer-Dombard, DR@, Summons, RE, Shock, EL, Raymond, J, Amend, JP, Havig, JR, and Bradley, AS (2006) Silicious biofilms in alkaline geyser basins of Yellowstone National Park. American Geophysical Union, Fall Meeting, San Francisco, CA.
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Amend, JP, Hsia Akerman, N#, Meyer-Dombard, DR@, Osburn, MR$, Pichler, T, and Price, RE (2006) Microbial communities and geochemical energy in an arsenic-rich marine hydrothermal system. Goldschmdit Conference, Melbourne, Australia.
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Meyer-Dombard, DR@, Bradley, AS, Havig, JR, Raymond, J, Amend, JP, Shock, EL, Summons, RE (2006) Biogeochemistry of silicious biofilms in geothermal ecosystems. Goldschmidt Conference, Melbourne, Australia.
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Cardace, D#, Amend, JP, and Morris, JD (2006) Microbially mediated reactions in recently subducted sediments: feasible reactions and implications. Geological Society of America Annual Meeting, Philidelphia, PA.
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Amend, JP and Rogers, KL# (2006) 234 Potential metabolisms in a shallow marine hydrothermal system. Astrobiology Science Conference, Washington, D.C.
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Hsia, NP# and Amend, JP (2006) Mapping energetic and microbial variations along geochemical gradients in hydrothermal sediments of Papua New Guinea. Astrobiology Science Conference, Washington, D.C.
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Meyer-Dombard, DR@, Bradley, AS, Havig, JR, Amend, JP, Shock, EL, and Summons, RE (2006) Physiochemical parameters of streamer-forming biofilm communities (SBCs) in terrestrial hydrothermal environments. Astrobiology Science Conference, Washington, D.C.
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Amend, JP, Meyer-Dombard, DR@, Pichler, T, Price, R, Herndon, E$, and Hsia, N# (2005) Microbial arsenic oxidation in a shallow marine hydrothermal vent system. American Geophysical Union, Fall Meeting, San Francisco, CA.
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Cardace, D#, Amend, JP, and Morris, JD (2005) Metabolic potential of the deep subseafloor at selected convergent margins. American Geophysical Union, Fall Meeting, San Francisco, CA.
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Price, RE, Pichler, T, and Amend, JP (2005) Unexpected arsenate/arsenite gradients in pore water profiles from a shallow-water hydrothermal system. American Geophysical Union, Fall Meeting, San Francisco, CA.
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Meyer-Dombard, DR@, Osburn, MR$, and Amend, JP (2005) Archaeal and bacterial variation across geochemical gradients in an arsenic-rich, shallow submarine vent, Papua New Guinea. American Geophysical Union, Fall Meeting, San Francisco, CA.
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Summons, RE, Meyer-Dombard, DR@, Bradley, AS, Dibbell, AK, Fredricks, HF, Hinrichs, K-U, Jahnke, LL, Shock, EL, and Amend, JP (2005) Molecular studies of filamentous and biofilm-forming hyperthermophilic communities in Yellowstone National Park. American Geophysical Union, Fall Meeting, San Francisco, CA.
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Amend, JP, Rogers, KL#, Rusch, A@, and Gammon, C$ (2005) The Vulcano hydrothermal system: microbial community structure, novel isolates, and geochemical energy sources. Goldschmidt Conference, Moscow, Idaho.
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Rogers, KL# and Amend, JP (2005) What’s on the menu for thermophilic heterotrophs. Goldschmidt Conference, Moscow, Idaho.
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Holland, M, Shock, EL, Meyer-Dombard, DR#, and Amend, JP (2004) Ranking geochemical energy availability in hydrothermal ecosystems. American Geophysical Union, Fall Meeting, San Francisco, CA.
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Holland, M, Shock, EL, Meyer-Dombard, DR#, and Amend, JP (2004) Microbial enegetics in Yellowstone hot springs, or, what’s on the menu? Extremophiles, Cambridge, MD.
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Steele, A, Beaty, D, Amend, JP, et al. (2004) Astrobiology Field Laboratory (AFL): Investigating Past and Present Life on Mars. Astrobiology Science Conference, Moffett Field, CA.
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Amend, JP, Meyer-Dombard, DR#, Rogers, KL#, and Rusch, A@ (2004) Thermophiles and vent geochemistry at Vulcano (Italy) and Ambitle (Papua New Guinea). Goldschmidt Conference, Copenhagen, Denmark.
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Rusch, A@ and Amend, JP (2004) Microbes in geothermally heated marine sediments – community structure and metabolism. Goldschmidt Conference, Copenhagen, Denmark.
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Rogers, KL# and Amend, JP (2004) Geochemical niches and novel Archaea in the hydrothermal systems of Vulcano, Italy. Goldschmidt Conference, Copenhagen, Denmark.
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Meyer-Dombard, DR#, Price, R, Pichler, T, and Amend, JP (2004) Geochemical-microbial processes in hydrothermal sediments, Ambitle Island, Papua New Guinea. Goldschmidt Conference, Copenhagen, Denmark.
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Amend, JP, Rusch, A@, Rogers, KL#, Meyer-Dombard, DR#, and Gammon, C$ (2004) Microbial geochemistry in shallow marine hydrothermal systems. Deutsche Forschungs Gemeinschaft Research Conference, Washington, D.C.
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Blank, CE and Amend, JP (2003) Phylogenomic dating of major clades in the archaeal tree of life. Gordon Research Conference on the Origin of Life, Bates College, ME.
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Meyer-Dombard, DR#, Shock, EL, and Amend, JP (2003) Ecosystem diversity in Yellowstone National Park. NASA Astrobiology Institute General Meeting, Tempe, AZ.
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Blank, CE and Amend, JP (2003) Using the great oxidation event and whole genome sequences to establish upper age constraints for multiple archaeal groups. NASA Astrobiology Institute General Meeting, Tempe, AZ.
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Shock, EL, Meyer-Dombard, DR#, Amend, JP, Fischer, T, Reysenbach, A-L (2003) Geochemical habitats of deeply-branched lineages. NASA Astrobiology Institute General Meeting, Tempe, AZ.
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Skoog, A, Vlahos, P, and Amend, JP (2003) Concentration, distribution and composition of dissolved neutral aldoses in a shallow hydrothermal system. American Society for Limnology and Oceanography, Annual Meeting, Salt Lake City, UT.
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Svensson, E, Skoog, A, and Amend, JP (2003) Concentration, distribution and composition of dissolved amino acids in a shallow hydrothermal system. American Society for Limnology and Oceanography, Annual Meeting, Salt Lake City, UT.
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Amend, JP, Rusch, A@, and Rogers, KL# (2003) Hyperthermophiles from Vulcano (Italy): Community composition, novel isolates, and geochemical constraints. American Society for Limnology and Oceanography, Annual Meeting, Salt Lake City, UT.
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Shock, EL, Meyer-Dombard, DR#, and Amend, JP (2002) Energetics of nitrogen biogeochemistry in hot spring habitats. American Geophysical Union, Fall Meeting, San Francisco, CA.
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Amend, JP (2002) Metabolic energy from sulfur redox for hyperthermophiles in Vulcano hot springs. Geological Society of America, Annual Meeting, Denver, CO.
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Tor, JM, Amend, JP, and Lovley, DR (2002) Pathways for organic matter metabolism in hot, anaerobic, sulfate-reducing sediments. American Society for Microbiology, Annual Meeting, Salt Lake City, UT.
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Amend, JP (2001) Lessons from biotic reaction pathways for abiotic organic synthesis and transformation. Godschmidt Conference, Roanoke, VA.
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Meyer, DR#, Shock, EL, and Amend, JP (2001) Hydrothermal habitats in astrobiology. NASA-Astrobiology Meeting, Carnegie Institute, Washington D.C.
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Shock, EL, Plyasunov, AV, and Amend, JP (2001) Organic geochemistry of hydrothermal systems. American Chemical Society, Annual Meeting, San Diego, CA.
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Amend, JP (2000) Energy availability as a determinant of hyperthermophile community structure? Geological Society of America, Annual Meeting, Reno, NV.
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Amend, JP (2000) Fluid mixing, organic synthesis, and the emergence of metabolism. Annual Graduate Student Symposium (Astrobiology: Life in the Universe), Department of Molecular, Cellular, and Developmental Biology, University of Colorado, Boulder.
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Amend, JP (2000) Novel hyperthermophiles from well-known and previously unexplored shallow marine hydrothermal sites. Goldschmidt Conference, Oxford, England.
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Amend, JP (2000) Peeking into the subsurface biosphere through shallow marine hydrothermal vents. Geochemical Perspectives on Environmental Processes (GPEP), St. Louis, MO.
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Amend, JP (2000) From organic synthesis to microbial metabolism, geochemical disequilibrium provides the energy. RIDGE Integrated Studies Workshop, DeKalb, IL.
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Zolotov, MYu, Amend, JP, and Shock, EL (2000) Abiotic synthesis of amino acids in planetary volcanic gases: Thermodynamic assessment. NASA-Astrobiology Meeting, Moffett Field, CA.
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Meyer, DR#, Shock, EL, Amend, JP, and Reysenbach, AL (2000) Hydrothermal ecosystems as models for astrobiological habitats. NASA-Astrobiology Meeting, Moffett Field, CA.
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Meyer, DR#, Shock, EL, Amend, JP, and Reysenbach, AL (2000) Using geochemistry to isolate thermophiles. NSF-RIDGE Meeting, Big Sky, MT.
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Amend, JP, Shock, EL, and Italiano, F (2000) Vulcano’s cousin? The unexplored hydrothermal ecosystem off Panarea, southern Italy. NSF-RIDGE Meeting, Big Sky, MT.
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McKinnon, WB, Shock, EL, and Amend, JP (1999) On the conditions necessary for a thriving chemoautotrophic ecosystem on Europa. American Geophysical Union, Fall Meeting, San Francisco, CA.
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Shock, EL, Amend, JP, and Chan, G (1999) Energy supply for the subsurface biosphere. American Geophysical Union, Fall Meeting, San Francisco, CA.
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Amend, JP and Shock, EL (1999) Fluid mixing, amino acid synthesis, and the emergence of metabolism. European Union of Geosciences-10, Strasbourg, France.
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Shock, EL, Amend, JP, and Chan, G (1999) Geochemistry of hydrothermal ecosystems. The Fifth International Symposium on the Geochemistry of the Earth’s Surface, Reykjavík, Iceland.
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Amend, JP and Shock, EL (1998) New insights into primary production at hydrothermal vents from the energetics of metabolism. American Geophysical Union, Fall Meeting, San Francisco, CA.
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Amend, JP and Shock, EL (1998) Quantitative bioenergetics of hyperthermophiles in Vulcano hot springs. Thermophiles98, Brest, France.
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Shock, EL and Amend, JP (1998) The temperature dependence of metabolic reaction energetics. Thermophiles98, Brest, France.
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Amend, JP (1998) Metabolic energy from acetic acid catabolism in the hot springs of Vulcano Island, southern Italy. Goldschmidt Conference, Toulouse, France.
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Amend, JP (1998) Unraveling the metabolic strategies of hyperthermophiles in hot springs. Geochemical Perspectives on Environmental Processes (GPEP), St. Louis, MO.
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Amend, JP and Shock, EL (1998) Energetics of amino acid synthesis in hydrothermal solutions. Perspectives in Amino Acid and Protein Geochemistry, Geophysical Laboratory, Washington, D.C.
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Amend, JP (1997) Metabolic energy from mineral disequilibria: Fuel for thermophilic chemolithoautotrophs in shallow submarine hot springs. Geological Society of America, Annual Meeting, Salt Lake City, UT.
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Shock, EL, Amend, JP, and Chan, GW (1997) Mineral-solution disequilibria as sources of metabolic energy in subsurface habitats. Geological Society of America, Annual Meeting, Salt Lake City, UT.
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Amend, JP and Shock, EL (1997) Energetics of the TCA cycle in high temperature aqueous environments. Gordon Research Conference on the Origin of Life, New England College, NH.
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Amend, JP, Shock, EL, and Baross, JA (1997) Geochemical constraints on the energetics of the TCA cycle at high temperatures. NSF Hyperthermophile Summit, San Diego, CA.
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Amend, JP and Shock, EL (1997) Thermodynamic constraints on metabolic pathways at high temperatures. RIDGE workshop on the subsurface biosphere at mid-ocean ridges. Washington D.C.
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Amend, JP and Helgeson, HC (1994) Calculation of the thermodynamic properties of aqueous amino acids and peptides at high temperatures and pressures. 49th Annual Calorimetry Conference, Santa Fe, NM.
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Amend, JP, Helgeson, HC, Gurrieri, S, Valenza, M, and Clark, DS (1992) Preliminary investigation of the effects of mineralogy and fluid composition on the growth of thermophilic bacteria in geothermal hot springs on the island of Vulcano, Italy. Geological Society of America, Annual Meeting, Cincinnati, OH.
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Amend, JP and Helgeson, HC (1991) Calculation of the relative stabilities at elevated temperatures and pressures of aqueous nucleosides, nucleotides, and other biochemical molecules required for bacterial metabolism in diagenetic processes. Geological Society of America, Annual Meeting, San Diego, CA.