PEER REVIEWED PUBLICATIONS
Amend Lab Post-doc (@), Graduate Student (#), Undergraduate Student ($)
2019
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Osburn, MR, Kruger, B, Masterson, A, Casar, C, Amend, JP, Establishment of the Deep Mine Microbial Observatory (DeMMO), South Dakota, USA, a geochemically stable portal into the deep subsurfaced. Frontiers in Earth Science (in review).
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Jangir, Y, Karbelkar, AA, Beedle, NM, Zinke#, LA, Wanger, G, Anderson, CM, Reese, BK, Amend, JP, El-Naggar, MY, In situ electrochemical studies of the terrestrial deep subsurface biosphere at the Sanford Underground Research Facility, South Dakota, USA. Applied and Environmental Microbiology (in revision).
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LaRowe, DE, Arndt, S, Bradley, J@, Burwicz, E, Dale, AW, Amend, JP, Organic carbon and microbial activity in marine sediments on a global scale throughout the Quaternary. Geochimica et Cosmochimica Acta (in review).
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Kotopoulou, E, Godelitsas, A, Göttlicher, J, Steininger, R, Price, RE, Fike, DA, Amend, JP, Gilhooly III, WP, Druschel, GK, Paraskevi, N, Gamaletsos, P, Lozios, S, Geochemistry and nano-mineralogy of shallow-sea hydrothermal precipitates off Milos Island (Greece). Chemical Geology (in review).
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Robador, A, Amend, JP, Finkel, SE, Nanocalorimetry reveals growth dynamics of Escherichia coli cells undergoing adaptive evolution during long-term stationary phase. Applied and Environmental Microbiology (in revision).
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LaRowe, DE, Amend, JP, Energey limits for life in the subsurface. In: Whole Earth Carbon: Past to Present (B Orcutt, ed.). Cambridge University Press (in press).
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Sapers, HM, Razzell Hollis, JJ, Bhartia, R, Beegle, LW, Orphan, VJ, Amend, JP (2019), The cell and the sum of its parts: patterns of complexity in biosignatures as revealed by deep UV Raman spectroscopy. Frontiers in Microbiology, doi: 10.3389/fmicb.2019.00679.
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LaRowe, DE, Amend, JP (2019), The energetics of fermentation in natural settings. Geomicrobiology Journal, doi: 10.1080/01490451.2019.1573278.
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Rowe, AR, Xu, S, Gardel, E, Bose, A, Girguis, P, Amend, JP, El-Naggar, M (2019), Methane-linked mechanisms of electron uptake from cathodes by Methanosarcina barkeri. mBio, 10:e02448-18. doi:https://doi.org/10.1101/415653
2018
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Zinke, LA#, Glombitza, C, Bird, JT, Røy, H, Jørgensen, BB, Lloyd, KG, Amend, JP, Reese, BK (2018), Microbial organic matter degradation potential in Baltic Sea sediments influenced by depositional conditions and in situ geochemistry. Applied and Environmental Microbiology, doi: 10.1128/AEM.02164-18.
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Houghton, JL, Gilhooly III, WP, Kafantaris, FCA, Druschel, GK, Lu, G-S, Amend, JP, Godelitsas, A, Fike, DA (2018), Spatially and temporally variable sulfur cycling in shallow-sea hydrothermal vents, Milos, Greece. Marine Chemistry, doi: 10.1016/j.marchem.2018.11.002.
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Bradley, JA@, Amend, JP, LaRowe, DE (2018), Survival of the fewest: Microbial dormancy and maintenance in marine sediments through deep time. Geobiology, doi: 10.1111/gbi.12313.
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Momper L., Aronson, H.S.#, Amend, JP (2018) Genomic Description of ‘Candidatus Abyssubacteria,’ a Novel Subsurface Lineage Within the Candidate Phylum Hydrogenedentes. Frontiers in Microbiology. (LINK)
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Reese, B, Zinke, LA#, Sobol, M, LaRowe, DE, Orcutt, BN, Zhang, X, Jaekel, U, Wang, F, Dittmar, T, Defforey, D, Tully, B, Paytan, A, Sylvan, JB, Amend, JP, Edwards, KJ, Girguis, P (2018) Nitrogen Cycling of Active Bacteria within Oligotrophic Sediment of the Mid-Atlantic Ridge Flank. Geomicrobiology Journal. (LINK)
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Zinke, LA#, Reese, B, McManus, J, Wheat, CG, Orcutt, BN, Amend, JP (2018) Sediment Microbial Communities Influenced by Cool Hydrothermal Fluid Migration. Frontiers in Microbiology. (LINK)
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Smith, H, Abuyen, K$, Tremblay, J, Savalia, P, Pérez-Rodríguez, I, Emerson, D, Tully, B, Amend, JP (2018) Genome Sequence of Geothermobacter sp. Strain HR-1, an Iron Reducer from the Lō‘ihi Seamount, Hawai’i. American Society for Microbiology. (LINK)
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Bradley, J@, Amend, JP, LaRowe, DE (2018) Bioenergetic Controls on Microbial Ecophysiology in Marine Sediments. Frontiers in Microbiology. (LINK)
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Bradley, J@, Amend, JP, LaRowe, DE (2018) Necromass as a Limited Source of Energy for Microorganisms in Marine Sediments. Journal of Geophysical Research - Biogeosciences. (LINK)
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Neely, C, Khalil, CB, Cervantes, A, Diaz, R, Escobar, A, Ho, K, Hoefler, S, Smith, HH, Abuyen, K$, Savalia, P, Nealson, KH, Emerson, D, Tully, B, Barco, RA@, Amend, JP (2018) Genome Sequence of Hydrogenovibrio sp. Strain SC-1, a Chemolithoautotrophic Sulfur and Iron Oxidizer. American Society for Microbiology. (LINK)
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Robador, A, LaRowe, DE, Finkel, SE, Amend, JP, Nealson, KH (2018) Changes in Microbial Energy Metabolism Measured by Nanocalorimetry during Growth Phase Transitions. Frontiers in Microbiology. (LINK)
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Barco, RA@, Garrity, GM, Scott, JJ, Amend, JP, Nealson, KH, Emerson, D (2018) A genus definition for Bacteria and Archaea based on genome relatedness and taxonomic affiliation. BioRXIV. (LINK)
2017
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Price, RE, Boyd, ES, Hoehler, TM, Wehrmann, LM, Bogason, E, Valtysson, HT, Örlygsson, J, Gautason, B, Amend, JP, Ridge-flank basalt alteration can produce alkaline, H2- and CH4-enriched hydrothermal vent fluids with steep Na+ gradients.Geology (in revision).
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Fike, DA, Houghton, JL, Moore, SE, Gilhooly, WP III, Dawson, KS, Druschel, GK,Amend, JP, Orphan, VJ, Spatially resolved capture of hydrogen sulfide from the water column and sedimentary pore waters for abundance and stable isotopic analysis.Marine Chemistry (in review).
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Zinke, LA#, Mullis, MM, Bird, JT, Marshall, IPG, Joergensen, BB, Lloyd, KG, Amend, JP, Reese, B, Thriving or surviving? Evaluating active microbial guilds in Baltic Sea sediment. Environmental Microbiology Reports, (LINK)
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Lu, G-S, Price, RE, Houghton, JL,Gilhooly III, WP, Druschel, GK, Fike, DA, Amend, JP, Linking shallow-sea hydrothermal processes and microbial ecology at Milos Island, Greece. Journal of Environmental Chemistry (in revision).
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LaRowe, DE, Koch, BP, Robador, A, Witt, M, Ksionzek, K, Amend, JP, Identification of organic compounds in ocean basement fluids. Organic Geochemistry (in press).
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Momper, LM, Jungbluth, SP, Lee, MD, Amend, JP (2017) Energy and carbon metabolisms in a deep terrestrial subsurface fluid microbial community. International Society for Microbial Ecology Journal. (LINK)
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Tully, B, Savalia, P, Abuyen, K, Baughan, C, Romero, E, Ronkowski, C, Torres, B, Tremblay, J, Trujillo, A, Tyler, M, Perez-Rodriguez, I, Amend, JP (2017), Genome sequence of Geothermobacter sp. strain EPR-M, a deep-sea hydrothermal vent iron reducer. Genome Announcements, 5, e00424-17. (LINK)
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Momper, LM#, Kiel Reese, B, Zinke, LA#, Wanger, GP, Osburn, MR, Moser, D,Amend, JP (2017), Major phylum-level differences between porefluid and host rock bacterial communities in the terrestrial deep subsurface. Environmental Microbiology Reports, (LINK)
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Kiel Reese, B, Sobol, MS, Zinke, LA#, LaRowe, DE, Zhang, XX, Jaekel, U, Wang, F, Orcutt, BN, Dittmar, T, Mills, HJ, Amend, JP, Edwards, KJ, Girguis, P (2017), Structure and function of total and active bacteria within oligotrophic Mid-Atlantic Ridge flank sediment. Geomicrobiology Journal (in press).
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Rowe, A@, Yoshimura, M, LaRowe, DE, Bird, L, Amend, JP, Nealson, K, Okamoto, A (2017), In situ electrochemical enrichment and isolation of a magnetite-reducing bacterium from a high pH serpentinizing spring. Environmental Microbiology. (LINK)
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LaRowe, DE, Burwicz, E, Arndt, S, Dale, AW, Amend, JP (2017), The deep biosphere and the global distribution of temperature in marine sediments. Geology, 45, 275-278.
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Kempes, CP@, van Bodegom, P, Wolpert, D, Libby, E, Amend, JP, Hoehler, T (2017), Drivers of bacterial maintenance and minimum energy requirements. Frontiers in Microbiology, 8:31. (LINK)
2016
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Amend, JP and LaRowe, DE (2016), Ocean sediments—an enormous but underappreciated microbial habitat. Microbe, 11, 427-432. (LINK)
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Jangir, Y, French, S, Momper, LM#, Moser, DP, Amend, JP, El-Naggar, MY (2016), Isolation and characterization of electrochemically active subsurface Delftia and Azonexus. Frontiers in Microbiology, 7:756. (LINK)
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Kiel Reese, B, Sobol, MS, Zinke, LA, LaRowe, DE, Zhang, XX, Jaekel, U, Wang, F, Orcutt, BN, Dittmar, T, Mills, HJ, Amend, JP, Edwards, KJ, Girguis, P (2016), Structure and function of total and active bacteria within oligotrophic Mid-Atlantic Ridge flank sediment. Frontiers in Microbiology (in revision).
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Robador, A, LaRowe, DE, Jungbluth, SP, Lin, H-T, Rappé, MS, Nealson, KH, Amend, JP (2016), Nanocalorimetric characterization of microbial activity in deep subsurface oceanic crustal fluids. Frontiers in Microbiology (LINK)
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McKay, L, Klokman, VW, Mendlovitz, HP, LaRowe, DE, Hoer, DR, Albert, D, Amend, JP, Teske, A, (2016), Thermal and geochemical influences on microbial biogeography in the hydrothermal sediments of Guaymas Basin, Gulf of California. Environmental Microbiology (LINK)
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Kempes, CP@, Wang, L, Amend, JP, Doyle, J, Hoehler T (2016), Evolutionary transitions and shifts in physiological tradeoffs. International Society for Microbial Ecology Journal (LINK)
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LaRowe, DE and Amend, JP (2016), The energetics of anabolism in natural settings. International Society for Microbial Ecology Journal (LINK)
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Godelitsas, A, Price, RE, Pichler, T, Amend, JP, Gamaletsos, P, Göttlicher, J, Amorphous As-sulfide precipitates from the shallow-water hydrothermal vents off Milos Island (Greece). Marine Chemistry (LINK)
2015
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Godelitsas, A, Price, RE, Pichler, T, Amend, JP, Gamaletsos, P, Göttlicher, J, Amorphous As-sulfide precipitates from the shallow-water hydrothermal vents off Milos Island (Greece). Marine Chemistry (LINK).
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LaRowe, DE and Amend, JP (2015), Power limits of microbial life. Frontiers in Microbiology. (LINK).
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Lin, H-T, Amend, JP, LaRowe, DE, Bingham, J-P, Cowen, JP, Dissolved amino acids in oceanic basaltic basement fluids, Geochimica et Cosmochimica Acta, 164, 175-190. (LINK)
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Price, RE@, LaRowe, DE, Italiano, F, Savov, I, Pichler, T, Amend, JP, Subsurface hydrothermal processes and the bioenergetics of chemolithoautotrophy at the shallow-sea vents off Panarea Island (Italy). Chemical Geology, 407-408, 21-45. (LINK)
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Sylvan, JB, Hoffman, CL, Momper, LM#, Toner, BM, Amend, JP, Edwards, KJ, Bacillus rigiliprofundi sp. nov., an endospore-forming, Mn-oxidizing, moderately halotolerant bacterium isolated from deep subseafloor basaltic crust. International Journal of Systematic and Environmental Microbiology, 65, 1992-1998. (LINK)
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LaRowe, DE and Amend, JP (2015), Catabolic rates, population sizes and doubling/replacement times of microorganisms in the deep subsurface. American Journal of Science, 315, 167-203. (LINK)
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Marlow, J and Amend, JP, (2015) The energy of life, The Scientist, 2, 40-47. (LINK)
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Robador, A@, Jungbluth, SP, LaRowe, DE, Bowers, RM, Rappé, MS, Amend, JP, Cowen, JP (2015) Activity and phylogenetic diversity of sulfate-reducing microorganisms in low-temperature subsurface fluids within the upper oceanic crust, Frontiers in Microbiology. (LINK)
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Rusch, A, Islam, S, Savalia, P, Amend, JP (2015), Burkholderia insulsa sp. nov., a facultatively chemolithotrophic bacterium isolated from an arsenic-rich shallow marine hydrothermal system. International Journal of Systematic and Environmental Microbiology, 65, 189-194. (LINK)
2014
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Osburn, MR@, Momper, LM#, LaRowe, DE, Amend, JP (2014), Chemolithoautotrophy in the continental deep subsurface: Sanford Underground Research Facility (SURF), USA, Frontiers in Microbiology, doi:10.3389/fmicb.2014.00610. (LINK)
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Gilhooly, WP III, Fike, DA, Druschel, GK, Kafantaris, FCA, Price, RE@, Amend, JP (2014), Sulfur and oxygen isotope insights into sulfur cycling in shallow-sea hydrothermal vents, Milos, Greece. Geochemical Transactions, 14, 12. (LINK)
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Meyer-Dombard, DR and Amend, JP (2014), Geochemistry and microbial ecology in alkaline hot springs of Ambitle Island, Papua New Guinea. Extremophiles, 18, 763-778. (LINK)
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Takai, K, Nakamura, K, LaRowe, DE, Amend, JP, Life under subseafloor extremes. In: Developments in Marine Geology, Vol. 7: Earth and Life Processes Discovered from Subseafloor Environments – A Decade of Science Achieved by the Integrated Ocean Drilling Program (IODP). Elsevier, Amsterdam/New York (R. Stein et al., eds.) 822 pp. (LINK)
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Marlow, J, LaRowe, DE, Ehlmann, BL, Amend, JP, Orphan, V (2014), The potential for biologically catalyzed anaerobic methane oxidation on ancient Mars. Astrobiology, 14, 1-14. (LINK)
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Orcutt, BN, LaRowe, DE, Lloyd, KG, Mills, H, Orsi, W, Reese, BK, Sauvage, J, Huber, JA, and Amend, JP (2014), IODP deep biosphere research workshop report – a synthesis of recent investigations, and discussion of new research questions and drilling targets. Scientific Drilling, 17, 61-66. (LINK)
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LaRowe, DE@ and Amend, JP (2014), Energetic constraints on life in marine deep sediments. In: Life in Extreme Environments: Microbial Life of the Deep Biosphere (J. Kallmeyer and K. Wagner, eds.), DeGruyter, pp. 279-302. (LINK)
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LaRowe, DE@, Dale, AW, Aguilera, DR, L’Heureux, I., Amend, JP, Regnier, P (2014), Modeling microbial reaction rates in a submarine hydrothermal vent chimney wall. Geochimica et Cosmochimica Acta, 124, 72-97. (LINK)
2013
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Amend, JP, Saltikov, C, Lu, G-S#, Hernandez, J (2013), Microbial arsenic metabolisms and reaction energetics. In: Reviews in Mineralogy and Geochemistry—Geochemistry, Mineralogy and Microbiology of Arsenic in the Environment. Geochemical Society (RJ Bowell et al., eds.), vol. 79, pp 391-433. (LINK)
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Price, RE@, Lesniewski, R, Nitzsche, K, Meyerdierks, A, Saltikow, C, Pichler, T, Amend, JP (2013), Archaeal and bacterial diversity in an arsenic-rich shallow-sea hydrothermal system undergoing phase separation. Frontiers in Microbiology. (LINK)
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Amend, JP, LaRowe, DE@, McCollom, TM, and Shock, EL (2013), The energetics of organic synthesis inside and outside the cell. Philosophical Transactions of the Royal Society B, 368, 20120255. (LINK)
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Boettger, J$, Lin, H-T, Cowen, JP, Hentscher, M, and Amend, JP (2013), Energy yields from chemolithotrophic microbial metabolisms in igneous basement of the Juan de Fuca ridge flank system. Chemical Geology, 337, 11-19. (LINK)
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Price, RE@, Savov, I, Planer-Friedrich, B, Bühring, S, Amend, JP, and Pichler, T (2013), Processes influencing extreme As enrichment in shallow-sea hydrothermal fluids of Milos Island, Greece. Chemical Geology, 348, 15-26. (LINK)
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Meyer-Dombard, DR@, Amend, JP, and Osburn, MR$ (2013), Microbial diversity and potential for arsenic and iron biogeochemical cycling at an arsenic rich, shallow-sea hydrothermal vent (Tutum Bay, Papua New Guinea). Chemical Geology, 348, 37-47. (LINK)
2012
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LaRowe, DE@, Dale, AW, Amend, JP, and Van Cappellen, P (2012), Thermodynamic limitations on microbially catalyzed reaction rates. Geochimica et Cosmochimica Acta, 90, 96-109. (LINK)
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Lin, H-T, Cowen, JP, Olson, EJ, Amend, JP, and Lilley, MD (2012), Inorganic chemistry, gas compositions and dissolved organic carbon in fluids from sedimented young basaltic crust on the Juan de Fuca Ridge flanks. Geochimica et Cosmochimica Acta, 85, 213-227. (LINK)
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Meyer-Dombard, DR#, Shock, EL, and Amend, JP (2012), Effects of trace element concentrations on culturing thermophiles. Extremophiles, 16, 317-331. (LINK)
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Meyer-Dombard, DR#, Price, RE, Pichler, T, and Amend, JP (2012), Prokaryotic populations in arsenic-rich shallow-sea hydrothermal sediments of Ambitle Island, Papua New Guinea. Geomicrobiology Journal, 29, 1-17. (LINK)
2011
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Amend, JP, McCollom, TM, Hentscher, M, and Bach, W (2011), Catabolic and anabolic energy for chemolithoautotrophs in deep-sea hydrothermal systems hosted in different rock types. Geochimica et Cosmochimica Acta, 75, 5736-5748. (LINK)
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Summons, RE, Amend, JP, Bish, DL, Buick, R, Cody, GD, Des Marais, DJ, Dromart, G, Eigenbrode, JL, Knoll, AH, and Sumner, DY (2011), Preservation of Martian organic and environmental records: Final report of the Mars Biosignature Working Group. Astrobiology, 11, 157-181. (LINK)
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Akerman, NH#, Price, RE, Pichler, T, and Amend, JP (2011), Energy sources for chemolithotrophs in an arsenic- and iron-rich shallow-sea hydrothermal system. Geobiology, 9, 436-445. (LINK)
2010
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Osburn, MR$ and Amend, JP (2010), Thermogladius shockii gen. nov., sp. nov., a hyperthermophilic crenarchaeote from Yellowstone National Park, USA. Archives of Microbiology, 193, 45-52. (LINK)
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Shock, EL, Holland, M, Meyer-Dombard, DR#, Amend, JP, Osburn, GR, and Fischer, TP (2010), Quantifying inorganic sources of geochemical energy in hydrothermal ecosystems, Yellowstone National Park, USA. Geochimica et Cosmochimica Acta, 74, 4005-4043. (LINK)
2009
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Amend, JP and McCollom, TM (2009), Energetics of biomolecule synthesis on early Earth. In: Chemical Evolution II: From Origins of Life to Modern Society. American Chemical Society (L. Zaikowski et al., eds.), 1025, 63-94. (LINK)
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Amend, JP (2009), A brief review of microbial geochemistry in the shallow-sea hydrothermal system of Vulcano Island (Italy). Wissenschaftliche Mitteilungen der Bergakademie Freiberg, 39, 61-67.
2008
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Rusch, A@ and Amend, JP (2008), Functional characterization of the microbial community in geothermally heated marine sediments. Microbial Ecology, 55, 723-736. (LINK)
2007
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Amend, JP (2007), Il Vulcano: from Hephaistos to Helgeson. Geochemical News, 133, October. (LINK)
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Rogers, KL#, Amend, JP, and Gurrieri, S (2007), Temporal changes in fluid chemistry and energy profiles in the Vulcano Island hydrothermal system. Astrobiology, 7, 905-932. (LINK)
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Hoehler, TM, Amend, JP, and Shock, EL (2007), A “Follow the Energy” approach for astrobiology. Astrobiology, 7, 819-823. (LINK)
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Price, RE, Amend, JP, and Pichler, T (2007), Enhanced geochemical gradients in a marine shallow-water hydrothermal system: Unusual arsenic speciation in horizontal and vertical pore water profiles. Applied Geochemistry, 22, 2595-2605. (LINK)
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Skoog, A, Vlahos, P, Rogers, KL#, and Amend, JP (2007), Concentration and distribution of dissolved neutral aldoses in a shallow hydrothermal vent system of Vulcano, Italy. Organic Geochemistry, 38, 1416-1430. (LINK)
2006
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Pichler, T, Price, RE, Amend, JP, Meyer-Dombard, DR#, Hsia, NP#, Hallock, P, McCloskey, BJ, and Karlen, D (2006), A Natural Laboratory to Study Arsenic Geobiocomplexity. EOS, 87, 6 June, 221, 225-226. (LINK)
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Rogers, KL# and Amend, JP (2006), Energetics of heterotrophic metabolisms in the marine hydrothermal system of Vulcano Island, Italy. Geochimica et Cosmochimica Acta, 70, 6180-6200. (LINK)
2005
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Rogers, KL# and Amend, JP (2005), Archaeal diversity and geochemical energy yields in a geothermal well on Vulcano Island, Italy. Geobiology, 3, 319-332. (LINK)
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Meyer-Dombard, DR#, Shock, EL, and Amend, JP (2005), Thermophilic communities in three geochemically distinct geothermal ecosystems, Yellowstone National Park, USA. Geobiology, 3, 211-227. (LINK)
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Kappler, A, Emerson, D, Edwards, K, Amend, JP, Gralnick, JA, Grathwohl, P, Hoehler, T, and Straub, KL (2005), Microbial activity in biogeochemical gradients – new aspects of research. Geobiology, 3, 229-233. (LINK)
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Rusch, A@, Walpersdorf, E, deBeer, D, Gurrieri, S, and Amend, JP (2005), Microbial communities near the oxic/anoxic interface in the hydrothermal system of Vulcano Island, Italy. Chemical Geology, 224, 169-182. (LINK)
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McCollom, TM and Amend, JP (2005), A thermodynamic assessment of energy requirements for biomass synthesis by chemolithoautotrophic microorganisms in oxic and anoxic environments. Geobiology, 3, 135-144. (LINK)
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Shock, EL, Holland, M, Meyer-Dombard, DR#, and Amend, JP (2005), Geochemical sources of energy for microbial metabolism in hydrothermal ecosystems: Obsidian Pool, Yellowstone National Park, USA. In: Geothermal Biology and Geochemistry of Yellowstone National Park (W.P. Inskeep and T.R. McDermott, eds.), pp. 95-112. (LINK)
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Amend, JP and Teske, A (2005), Expanding frontiers in deep subsurface microbiology. Paleogeography, Paleoclimatology, Paleoecology, 219, 131-155. (LINK)
2004
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Svensson, E, Skoog, A, and Amend, JP (2004), Concentration and distribution of dissolved amino acids in a shallow hydrothermal vent system, Vulcano Island (Italy). Organic Geochemistry, 35, 1001-1014. (LINK)
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Amend, JP, Rogers, KL#, Meyer-Dombard, DR# (2004), Microbially mediated sulfur-redox: energetics in marine hydrothermal vent systems. In: Sulfur Biogeochemistry―Past and Present, Geological Society of America Special Paper 379 (JP Amend et al., eds.), GSA Press, pp. 17-34. (LINK)
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Rusch, A@ and Amend, JP (2004), Order-specific 16S rRNA targeted oligonucleotide probes for (hyper)thermophilic archaea and bacteria. Extremophiles, 8, 357-366. (LINK)
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Amend, JP (2004), Geomicrobiology and Genomes. Geotimes, July. (LINK)
2003
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Amend, JP, Rogers, KL#, Shock, EL, Inguaggiato, S, and Gurrieri, S (2003), Energetics of chemolithoautotrophy in the hydrothermal system of Vulcano Island, southern Italy. Geobiology, 1, 37-58. (LINK)
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Amend, JP, Meyer-Dombard, DR#, Sheth, SN$, Zolotova, N, and Amend, AC (2003), Palaeococcus helgesonii sp. nov., a facultatively anaerobic, hyperthermophilic archaeon from a geothermal well on Vulcano Island, Italy. Archives of Microbiology, 179, 394-401. (LINK)
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Tor, JM, Amend, JP, Lovley, DR (2003), Metabolism of organic compounds in anaerobic, hydrothermal sulfate-reducing sediments. Environmental Microbiology, 5, 583-591. (LINK)
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Amend, JP (2003), Life through time - Geomicrobiology. Geotimes, July, 32-33. (LINK)
2002
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Amend, JP (2002) Geochemical energy sources for thermophiles in shallow marine hydrothermal systems. In: Geochemistry of the Earth’s Surface, 6, 255-258.
2001
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Amend, JP and Plyasunov, AV (2001), Carbohydrates in thermophile metabolism: Calculation of the standard molal thermodynamic properties of aqueous pentoses and hexoses at elevated temperatures and pressures. Geochimica et Cosmochimica Acta, 65, 3901-3917. (LINK)
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Amend, JP and Shock, EL (2001), Energetics of overall metabolic reactions of thermophilic and hyperthermophilic Archaea and Bacteria. FEMS Microbiology Reviews, 25, 175-243. (LINK)
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Amend, JP (2001), Hyperthermophiles and geochemical energy in the thermal springs of Panarea. In: Water-Rock Interaction (R. Cidu, ed.), A.A. Balkema Publishers, Lisse, pp. 1417-1420.
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Amend, JP, Cady, SL, Fedo, C, Konhauser, KO, and Southam, G (2001), Geobiology and geomicrobiology in the 21st century. GSA Today, 11, 10. (LINK)
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Shock, EL and Amend, JP (2001), A tribute to Hal Helgeson on his 70th birthday. Geochimica et Cosmochimica Acta, 65, 3613. (LINK)
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Amend, JP and Helgeson, HC (2001), Response to ‘Group additivity calculations of the thermodynamic properties of unfolded proteins in aqueous solution: A critical comparison of peptide-based and HKF models’. Biophysical Chemistry, 89, 265-267. (LINK)
2000
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Amend, JP and Shock, EL (2000), Thermodynamics of amino acid synthesis in hydrothermal systems on early Earth. In: Perspectives in Amino Acid and Protein Geochemistry (GAM. Goodfriend et al., eds.), Oxford University Press, NY, pp. 23-40.
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Amend, JP and Helgeson, HC (2000), Calculation of the standard molal thermodynamic properties of aqueous biomolecules at elevated temperatures and pressures. II. Unfolded proteins. Biophysical Chemistry, 84, 105-136. (LINK)
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Shock, EL, Amend, JP, and Zolotov, MYu (2000), The early Earth vs. the origin of life. In: Origin of the Earth and Moon (R Canup and K Righter, eds.), pp. 527-543. The University of Arizona Press, Tucson.
1999
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Shock, EL, Amend, JP, and Chan, GW (1999), Geochemistry of hydrothermal ecosystems. In: Geochemistry of the Earth’s Surface (H Armannson, ed.), pp. 245-249. Balkema, Rotterdam.
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Gugliandolo, C, Italiano, F, Maugeri, TL, Inguaggiato, S, Caccamo, D, and Amend, JP (1999), Submarine hydrothermal vents of the Aeolian Islands: relationship between microbial communities and thermal fluids. Geomicrobiology Journal, 16, 105-117. (LINK)
1998
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Amend, JP and Shock, EL (1998), Energetics of amino acid synthesis in hydrothermal ecosystems. Science, 281, 1659-1662. (LINK)
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Amend, JP, Amend, AC, and Valenza, M (1998), Determination of volatile fatty acids in the hot springs of Vulcano, Aeolian Islands, Italy. Organic Geochemistry, 28, 699-705. (LINK)
1997
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Amend, JP and Helgeson, HC (1997), Group additivity equations of state for calculating the standard molal thermodynamic properties of aqueous organic molecules at elevated temperatures and pressures. Geochimica et Cosmochimica Acta, 61, 11-46. (LINK)
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Amend, JP and Helgeson, HC (1997), Calculation of the standard molal thermodynamic properties of aqueous biomolecules at elevated temperatures and pressures. I. L--Amino acids. Journal of the Chemical Society, Faraday Transactions, 93, 1927-1941. (LINK)
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Amend, JP and Helgeson, HC (1997), Solubilities of the common L-α-amino acids as a function of temperature and solution pH. Pure and Applied Chemistry, 69, 935-942. (LINK)
1995
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Helgeson, HC, Richard, L, Owens, CE, and Amend, JP (1995), The organic-inorganic interface in hydrothermal systems. Water-Rock Interaction 8, Vladivostok, Russia. (LINK)
1994
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Helgeson, HC and Amend, JP (1994), Relative stabilities of biomolecules at high temperatures and pressures. Thermochimica Acta, 245, 89-119. (LINK)