L. M. Pratt - Indiana University

Lefticariu, L., Pratt, L. M., and E. M. Ripley. 2006. Stable Isotope Study of Radiolytic Oxidation of Pyrite. 3rd International Symposium on Isotopomers, 27 – 31 August,University of California, San Diego, La Jolla, California, USA. http://isi2006.ucsd.edu/

Pratt, L. M., Lefticariu, L., Ripley E. M., and D. L. Onstott. 2006.  Radiolysis of Earth Materials. 16th Annual Goldschmidt Conference, August 27 - September 1, Melbourne, Australia. http://www.goldschmidt2006.com/ 

Perry, E. C. and Lefticariu, L. 2006. The oxygen isotopic composition of Precambrian cherts. 16th Annual Goldschmidt Conference, August 27 - September 1, Melbourne, Australia. http://www.goldschmidt2006.com/

Lefticariu, L., Pratt, L. M., LaVerne, J A., and E. M. Ripley. 2006. Experimental study of radiolytic oxidation of pyrite: implications for Mars relevant crustal processes. 37th Lunar and Planetary Science Conference, Houston, Texas.  http://www.lpi.usra.edu/meetings/lpsc2006/pdf/1953.pdf

Lefticariu, L., Pratt, L. M., Eng, P. J., Gose, S. K., and D. L. Bish. 2006.  Interaction of radiolytically produced oxidants with the pyrite surface: a Crystal Truncation Rod (CTR) study. 37th Lunar and Planetary Science Conference, Houston, Texas.  http://www.lpi.usra.edu/meetings/lpsc2006/pdf/2167.pdf

Lefticariu, L., Pratt, L. M., Ripley, E. M., and A. Schimmelmann. 2006.  Experimental investigation of radiolytic oxidation of elemental sulfur and its relevance to Europa. Europa Focus Group. NASA Ames Research Center, Moffett Field California. http://astrobiology.asu.edu/focus/europa/discuss/discuss.html

Lefticariu, L., Pratt, L. M., LaVerne, J A., and E. M. Ripley. 2005.  Multiple Reaction Pathways during Radiolytic Oxidation of Pyrite. Eos Trans. AGU, 86(52), Fall Meet. Suppl., Abstract P42B-03. http://www.agu.org/meetings/fm05/fm05-sessions/fm05_P42B.html

Lefticariu, L., Pratt, L. M., and E. M. Ripley. 2005.  Pyrite oxidation using millimolar H2O2 as an analog for radiation-induced chemical reactions in groundwater. Annual GSA Meeting, Salt Lake City, Utah, USA. http://gsa.confex.com/gsa/2005AM/finalprogram/abstract_95071.htm

Lefticariu, L., Pratt, L. M., Ripley E. M., and D. L. Bish. 2005.  Experimental study of sulfur isotope fractionation associated with pyrite oxidation by H2O2. 15th Annual Goldschmidt Conference, Moscow, Idaho, USA. http://www.theconference.com/2005/gold2005/Gold05_Prog_21.pdf

Lefticariu, L., Pratt, L. M., Ripley E. M., and D. L. Bish. 2005.  Unexpected sulfur isotope fractionation associated with pyrite oxidation by hydrogen peroxide at temperatures from 4 to 150oC. NASA Astrobiology Institure Biennial Meeting, Boulder, CO. http://www.liebertonline.com/doi/abs/10.1089/ast.2005.5.275

T.C. Onstott - Princeton University

Boettig, C., McGown, D., Davidson, M.M., Onstott, T.C., Bruno Soffentino, Art Spivak, Steve D’Hondt, Corien Bakermans, Micheal Thomashow, Steve Miller, David Balkwill, Lisa Pratt, Susan Pfiffner, Timo Ruskieniemi, Jon Telling, Barbara Sherwood Lollar, Shaun Frape, Distribution and diversity of microorganisms of deep, subpermafrost brine in the Canadian Arctic. Amer. Geophysical Union Mtg., Dec. ‘05 San Francisco.

Davidson, M. M. , B. J. Mislowack, T. C. Onstott Maintenance Metabolism Exhibited
by Sulfate Reducing Microbial Communities Colonizing Quartzite from 3.1kmbls ISSM 2005, Jackson-Hole, Wyoming: P6A

Davidson, M.M. , J. Fong, L.M. Pratt, T.C. Onstott Culturing of deep subsurface bacterium reveals surprising metabolic strategy for sulfur sequestration. Abscicon 2006, Washington, D.C.: Citation in Astrobiology journal, Feb 2006, Vol. 6, No. 1: 295-295.

Davidson, M.M., C. Stoker, A. Schuerger, J. Schutt, B. Chen, B. Sutter, J.
Heldmann, A. Brown, G. Cooper MARTE: Simulated Martian Drilling and Remote Sensing of Rio Tinto.  Abscicon 2006, Washington, D.C.: Citation in Astrobiology journal, Feb 2006, Vol. 6, No. 1: 295-295.

McGown, D., Chan, E., Pratt, L.M. and Onstott, T.C. Species diversity and sulfur metabolism of psychrophiles in a deep subpermafrost brine in the Canadian Arctic. Abscicon 2006 March 2006, Washington, D.C.

Onstott, T.C., Pratt, L.M., Clifford, S.M., Sherwood-Lollar, B. and Phelps, T.J. Martian subsurface biomes: some fanciful speculation. Abscicon 2006. March 2006, Washington, D.C.

Onstott, T.C., Hazen, T.C., Arkin, A., Alm, E., Brodie, E., Chivian, D., Chivian, D., Richardson, P., Lapidus, A., Culley, D., Brockman, F., Lin, L-H, Gihring, T., Moser, D.P. Metagenomic characterization of a deep subsurface microorganism.  Astrobiology Science Conference. March 2006, Washington, D.C.

Onstott, T.C., Pratt, L.M., Clifford, S.M., Sherwood-Lollar, B. and Phelps, T.J. Martian subsurface biomes. Committee on Origin of Evolution of Life. May 2006, NAS HQ Washington, D.C.

S. Pfiffner/T. Phelps - University of Tennessee/Oak Ridge National Laboratory

Y.-L. Li, C. L. Zhang, H. Vali, D. R. Cole and T. J. Phelps. Summer 2005. Mössbauer spectroscopy ofextracellular tabular magnetite formed during microbial iron reduction. 15th Annual Goldschmidt Conference.

Pfiffner, S. M., October 2005. Astrobiology: The Search for Life on Earth and Beyond, Henderson DUSEL Biology Workshop, Boulder, CO.

Davis, K.L., November 2005. Concerns and Suggested Concessions for the Pursuit of Modern-Day Science. Advanced Sociological Analysis graduate seminar (Sociology 534). University of Tennessee, Knoxville, TN

Pfiffner, S. M.  November 2005.  The Molecule of Life: DNA, Henderson DUSEL Geosciences and Physics Workshop, Golden, CO

Pfiffner, S.M., A. Smithgall, A. Parsons, M. Gan, D. Riestenberg, and T.J. Phelps. November 2005. Effects of Deep Subsurface CO2 Injection on Microbial Communities in the Frio Formation, Texas. International Petroleum and Environmental Consortium, Houston, TX.

Pfiffner, S.M. A. Smithgall, A. Parsons, M. Gan, D.C. White,T.C. Onstott, and L. Pratt. December 2005. Microbial community composition and respiratory potential of deep, subpermafrost brine in the Canadian Arctic. American Geophysical Union Conference, San Francisco, CA.

Pfiffner, S. M.  December 2005.  The Molecule of Life: DNA, Henderson DUSEL Engineering Workshop, Fort Collins, CO.

Pfiffner, S.M., S.A. Bottomly, A.S. Parsons, A.N. Smithgall, M. Gan, and D.C. White. March 2006. Investigations of Microbial Diversity in Deep, Subpermafrost Brine in a Canadian Gold Mine. Astrobiology Science Conference. Washington, D.C.

Parsons, A.S., S.M. Pfiffner, A.N. Smithgall, B.L. Weidow and E.V. Heerden. May 2006. In Situ Cartridges for Assessing Microbial Communities in Fracture Water. American Society for Microbiology, Orlando, FL.

Bottomly, S., S.M. Pfiffner., .J.M. Cantu, A. Smithgall, A.D. Peacock, and D.C. White. May 2006. Biodensity and Microbial Community Composition for Samples Recovered from Witwatersrand Basin Mines. American Society for Microbiology, Orlando, FL.

Pfiffner, S. M.  May 2006.  The Molecule of Life: DNA, Henderson DUSEL Capstone Workshop, Stony Brook, NY.

Li, Y.-L., H. Vali, T.J. Phelps, and S. Pfiffner. July 2006. Reduction of hausmannite (Mn3O4) by iron-reducing bacteria and sulfate-reducing bacteria. Western Pacific Geophysics Meeting, Beijing, China.

Pfiffner, S. Li, Y.-L., T.J. Phelps, H. Vali, and M. Darby Dyar. July 2006. Accurate stoichiometry of magnetite as a test fro biogenesis and its application in search for biomarkers in Banded Iron Formations and earliest life on Earth and the other planets. Western Pacific Geophysics Meeting, Beijing, China.

B. Sherwood Lollar - University of Toronto

Sherwood  Lollar, B. Lacrampe-Couloume, G., Telling, J., Slater, G.F. and McCollom, T.M. Compound specific isotope analysis and the challenge for identifying life: the role of biosignatures and abiosignatures. Invited for John Hayes Special Session 16th Annual V. M. Goldschmidt Conference, Melbourne Australia. Aug. 2006.

Onstott, T.C., Pratt, L.M., Clifford, S.M., Sherwood Lollar, B. and Phelps, T.J. Martian subsurface biomes: ow important is radiolysis? Invited. 16th Annual V. M. Goldschmidt Conference, Melbourne Australia. Aug. 2006.

Sherwood Lollar, B. H2-rich fluids in the deep earth - Role of abiogenic water-rock interactions and potential for chemolithoautotrophy. Invited. Gordon Research Conference on Organic Geochemistry Holderness School, NH. Aug. 2006.

Sherwood Lollar, B. Isotopic constraints on habitability and activity of the deep biosphere - tales from 2-3.5 km in the deep Precambrian Shield groundwaters. Invited. University of Southern California International Geobiology Symposium on the Deep Biosphere. June 2006. Santa Catalina CA.

Sherwood Lollar, B., Telling, J., Lacrampe-Couloume, G., Slater, G.F., Onstott, T.C. and Pratt, L. Distinguishing abiogenic from biogenic sources of methane and implications for Mars exploration. Special Session on Biosignatures. Invited. American Geophysical Union Spring Meeting. Washington DC. May 2006.

Sherwood Lollar, B. Tracers in the Deep: Isotopic and geochemical evidence for H2 autotrophy and methanogenesis in the deep subsurface. University of Toronto at Mississauga. Feb. 2006

Sherwood Lollar, B. Tracers in the Deep: Isotopic and geochemical evidence for H2 autotrophy and methanogenesis in the deep subsurface. Centre for Applied Geosciences. University of Tuebingen. Tuebingen, Germany. Jan. 2006

Sherwood Lollar, B. Carbon and hydrogen isotope measurements in abiogenic hydrocarbon synthesis. Carnegie Institute of Washington, Washington DC. June 2005.

Sherwood Lollar, B., Telling, J., Lacrampe-Couloume, G., Slater, G.F., Onstott, T.C. and Pratt, L.M.  Resolving abiogenic versus biogenic sources of methane and implications for Mars exploration. Methane on Mars NASA Astrobiology Institute Distributed Workshop. NASA Goddard Space Flight Centre, Greenbelt MD. May 18, 2005.

Sherwood Lollar, B., Telling, J.P., Lacrampe-Couloume, G., Fu, Q., Seyfried, Jr., W., Horita, J. and T.M. McCollom. Carbon and hydrogen isotope measurements in abiogenic hydrocarbon synthesis. 15th Annual V. M. Goldschmidt Conference, Moscow, ID. May 2005.

Sherwood Lollar, B. Slater, G.F., Moser, D.P., Gihring, T.M., Telling, J., Lacrampe-Couloume, G., Lin, L.-H., and T.C. Onstott. Abiogenic gases, H2-based autotrophy and methanogens in the deep subsurface. Keynote for session on “Biogeochemistry at the Limits of Habitability”,  American Chemical Society Annual Meeting, San Diego CA. March 2005.

Sherwood Lollar, B. Unravelling abiogenic and biogenic sources of methane - Implications for the Earth’s deep biosphere and astrobiology. Departmental Lecture. School of Geology and Geography. McMaster University. Hamilton ON. Feb. 2005

Sherwood Lollar, B. Novel geochemical and isotopic techniques for delineating abiotic versus biotic sources of hydrocarbons in the subsurface. Canadian Mining Industry Research Organization (CAMIRO) - Exploration Division, Soil Gas Hydrocarbons Meeting. Toronto, ON. Dec. 2004

Sherwood Lollar, B. Geological and Geochemical Controls on the Earth’s Deep Biosphere. Canadian Institute for Advanced Research (CIAR) - Earth Systems Evolution Program Annual Meeting. Toronto, Ont. Sept. 2004.

Other Presentations

McCollom, T.M., Seewald, J.S. and Sherwood Lollar, B. Isotopic signatures of abiotic organic synthesis under geologic conditions. 16th Annual V. M. Goldschmidt Conference, Melbourne Australia. Aug. 2006.

Morrill, P.L., Weinberger, D.S., Sherwood Lollar, B., Fogel, M.L. and Cody, G.D. Experimental Abiotic Synthesis and Stable Isotope Values of Gaseous Hydrocarbons and the Implications for Identifying Biosignatures. American Geophysical Union Spring Meeting. June 2006. Baltimore MD.

Slater, G. F., Reddy, C.M., Onstott, T.C., Lacrampe-Couloume, G. and B. Sherwood Lollar. Isotopic tracers of the occurrence and timing of microbial methanogenesis in the deep subsurface. GAC-MAC Annual Meeting. Montreal PQ. May 2006.

B. Sherwood Lollar, G.F. Slater, J. Telling, G. Lacrampe-Couloume, T.C. Onstott and L. Pratt. Tracers in the deep: Stable isotope signatures of energy sources and microbial activity in ultramafic-hosted sites in the deep subsurface. ABSCICON 2006. Washington DC. March 2006.

Kessler, J.D., Onstott, T.C., Lehmann, K.K., McGown, D., Sherwood Lollar, B. and Clifford, S.M. (2006) High precision measurements of d13C-CH4 and d2H-CH4 with cavity ringdown spectroscopy. ABSCICON 2006. Washington DC. March 2006.

McGown, D., Boettiger, C., Davidson, M., Chain, E., Onstott, T.C., Pratt, L., Bakermans, C., Thomashow, M., Miller, S., Balkwill, D., Soffentino, B., Ruskeeniemi, T., Ahonen, L., Telling, J., Sherwood Lollar, B., Frape, S. and Stotler, R. (2006) Species diversity and sulfur metabolism of psychrophiles in a deep subpermafrost brine in the Canadian Arctic. ABSCICON 2006. Washington DC. March 2006.

Morrill. P.L., Eigenbrode, J., Johnson, O.J., Erdil, R.M., Sherwood Lollar, B., Nealson, K.H., Fogel, M.L. Multiple pathways for gaseous hydrocarbon formation from ultrabasic springs at a site of active serpentinization. ABSCICON 2006. Washington DC. March 2006.

Onstott, T.C., Pratt, L.M., Clifford, S.M., Sherwood Lollar, B., Phelps, T.J. (2006) Martian subsurface biotomes: A fanciful speculation. ABSCICON 2006. Washington DC. March 2006.

Boettig, C., McGown, D., Davidson, M., Onstott, T.C., Soffentino, B., Bakermans, C., Thomashow, M., Miller, S.,  Balkwill, D., Pratt, L., Ruskeeniemi, T., Ahonen, L., Telling, J., Sherwood Lollar, B., Frape, S. and Stotler, R. Distribution and diversity of microorganisms of deep, subpermafrost brine in the Canadian Arctic. American Geophysical Union Fall Meeting. San Francisco CA. Dec. 2005.

Slater, G.F., Lippman, J., Reddy, C.M., Ward, J., Lacrampe-Couloume, G., Lin., L.-H., Hall, J., Onstott, T.C. and B. Sherwood Lollar. Evaluating bacterial methanogenesis via the distribution of`14C between dissolved inorganic carbon (DIC) and CH4 in South African gold mines. International Symposium on Subsurface Microbiology (ISSM). Jackson Hole, WY. August 2005.

Moser, D.P., Gihring, T.M., Brockman, F.J., Fredrickson, J.K., Balkwill, D.L., Dollhopf, M.E., Sherwood Lollar, B., Pratt, L.M., Boice, E., Southam, G., Wanger, G., Baker, B.J., Pfiffner, S.M., Lin, L.-H., Kieft, T.L., Mileson, M. and T.C. Onstott. Microbial communities of deep crustal fracture systems may reveal a new mechanism for fueling subsurface biospheres. International Symposium on Subsurface Microbiology (ISSM). Jackson Hole, WY. August 2005.

Kieft, T.L., Milleson, M., McCuddy, S.M., Onstott, T.C., Davidson, M., Mislowac, B., Lin, L.-H., Sherwood Lollar, B., Lippmann, J., Gihring, T., Moser, D., Pratt, L.M., Boice, E., Pfiffner, S.M. and T.J. Phelps. Comparing the geomicrobiology of two neighboring 3-km deep groundwaters of widely differing age. International Symposium on Subsurface Microbiology (ISSM). Jackson Hole, WY. August 2005.

Fu, Q., Sherwood Lollar, B., Horita, J., Lacrampe-Couloume, G. and W. Seyfried, Jr. Hydrogen and carbon isotope compositions of hydrocarbons in hydrothermal carbon reduction processes. 15th Annual V. M. Goldschmidt Conference, Moscow, ID. May 2005.

Telling, J., Slater, G.F., Moser, D.P., Gihring, T., Kieft, T., Onstott, T.C., Lacrampe-Couloume, G., Sherwood Lollar, B. 2005. Compound specific hydrogen and carbon isotopes as a tool to distinguish abiogenic from biogenic hydrocarbons: implications for the terrestrial deep biosphere and astrobiology. Origins Institute Conference, McMaster University, May 24-June 4 2005.

Sherwood Lollar, B., Telling, J., Lacrampe-Couloume, G., Slater, G.F., Onstott, T.C. and Pratt, L.M.  Signatures of life? Resolving abiogenic versus biogenic sources of methane and implications for Mars exploration. 5th Canadian Space Exploration Workshop - The Future of Space Exploration in Canada. Canadian Space Agency, Longueuil Quebec. May 2005.

Telling, J.P., Lacrampe-Couloume, G. and B. Sherwood Lollar. Compound specific hydrogen and carbon isotopes as a tool to distinguish abiogenic from biogenic hydrocarbons. NASA Astrobiology Institute (NAI) Annual Meeting. Boulder CO. April 2005.

Kieft, T.L., Onstott, T.C., Lin, L.-H., Sherwood Lollar, B., Moser, D., Phelps, T.J., Pfiffner, S.M. and L.M. Pratt. Limits to life in the deep terrestrial biosphere. International Continental Drilling Program Workshop, Potsdam, Germany March 30-April 1, 2005.

Moser, D.P. Gihring, T.M., Fredrickson, J.K., Brockman, F.J., Onstott, T.C., Pratt, L., Boice, E., Davidson, M., Balkwill, D.L., Dollhopf, M.E., Sherwood Lollar, B., Southam, G., and Wanger, G. Investigations of deep subsurface microbial ecology via the ultradeep gold mines of South Africa.. Annual Meeting of the International Society of Microbial Ecology. Cancun, Mexico. Aug. 2004.

Mislowack, B., Onstott, T.C., Lin, L.-H., Rose, G., Ralston, C., Sherwood Lollar, B., Pfiffner, S.M., Kieft, T and S. McCuddy. In situ cultivation of deep subsurface microorganisms in a mafic sill: Implications for SliME’s. 104th Annual Meeting of the American Society for Microbiology. New Orleans LA May 2004.

Onstott, T.C., Mislowack, B., Lin, L.-H., Davidson, M.M., Gihring, T.M., Moser, D.P., Fredrickson, J.K., Brockman, F.J., Pfiffner, S.M., Phelps, T.J., Pratt, L.M., Boice, E.A., Sherwood Lollar, B., Ward, J., Lippmann, J., Litthaur, D. and E. van Heerden. Does the lack of energy limit deep subsurface life? 104th Annual Meeting of the American Society for Microbiology. New Orleans LA May 2004.

Davidson, M.M., Onstott, T.C., Pratt, L.M., Boice, E.A., Southam, G., Wanger, G., Sherwood Lollar, B., Lippmann, J. and W Seymoor. Microbial diversity associated with geochemical changes in a deep subsurface aquifer. American Geophysical Union Fall Meeting. San Francisco CA. Dec. 2003.

Slater, G.F., J. Lippman, C. Reddy, J. Ward, G. Lacrampe-Couloume, L.-H. Lin, J. Hall, T.C. Onstott and B. Sherwood Lollar. Radiocarbon distribution in DIC and CH4 in South African gold mines – evidence for current methanogenesis? Annual Radiocarbon Meeting. New Zealand Oct. 2003

Moser, D.P., Gihring, T.M., Fredrickson, J.K., Brockman, F.J., Onstott, T.C., Hall, J., Lin, L.-H., Davidson, M., Balkwill, D.L., Drake, G.R., Trimarco, E., Pfiffner, A., Welty, A.H., Southam, G., Lengke, M., Wanger, G., Tipple, B., Sherwood Lollar, B., Ward, J.  Changes over a 2.5 km vertical flow path in a deep hydrological downwelling zone. American Society for Microbiology Annual Meeting. Washington D.C. May 2003.

Ward, J., Slater, G.F., Moser, D., Lin, L., Lacrampe-Couloume, G., Bonin, A.S., Davidson, M., Hall J.A., Mislowack, B., Bellamy, R.E.S, Onstott, T.C. and B. Sherwood Lollar. (2004) Microbial hydrocarbon gases in the Witwatersrand Basin, South Africa: Implications for the deep biosphere Geochim. Cosmo. Acta Vol 68(13):3239-3250.

Onstott, T.C., Lin, L.-H., Davidson, M., Mislowack, B., Borcsik, M., Hall, J., Slater, G., Ward, J., Sherwood Lollar, B., Lippmann-Pipke, J., Boice, E., Pratt, L., Pfiffner, S.M., Moser, D., Gihring, T., Kieft, T.L., Phelps, T.J., VanHerden, E., Litthaur, D., DeFlaun, M. and Rothmel, R. The origin and age of biogeochemical trends in deep fracture water of the Witwatersrand Basin, South Africa. (in press Geomicrobiology Journal).

Moser, D., Gihring, T.M., Brockman, F.J., Fredrickson, J.K, Balkwill, D.L., Dollhopf, M.E.,  Sherwood Lollar, B., Pratt, L., Boice, E., Southam, G., Wanger, G., Baker, B.J., Pfiffner, S.M., Lin, L.-H. and Onstott, T.C. (2005) Desulfotomaculum and Methanobacterium spp.dominate a 4 to 5 km deep fault. Applied and Environmental Microbiology Vol.71:8773-8783.

Lin, L.-H., Gihring, T., Sherwood Lollar, B., Boie, E., Pratt, L., Lippmann-Pipke, J., Bellamy, R.,E.S and T.C. Onstott. Heterogeneous microbial communities associated with a 0.7 to 1.4 kmbls section of the continental crust. (in press Geomicrobiology Journal).

Kieft, T.L., McCuddy, S.M., Onstott, T.C., Davidson, M., Lin, L.-H., Mislowack, B., Pratt, L., Boice, E., Sherwood Lollar, B., Lippmann-Pipke, J., Pfiffner, S.M., Phelps, T.J., Gihring, T., Moser, D., and A. Van Heerden. (2005) Geochemically generated, energy-rich substrates and indigenous microorganisms in deep, ancient groundwater. Geomicrobiology Journal Vol 22:1-11.

B. Sherwood Lollar, G.F. Slater, J. Telling, G. Lacrampe-Couloume, T.C. Onstott and L. Pratt. Tracers in the deep: Stable isotope signatures of energy sources and microbial activity in ultramafic-hosted sites in the deep subsurface. ABSCICON 2006. Washington DC. March 2006.

Kessler, J.D., Onstott, T.C., Lehmann, K.K., McGown, D., Sherwood Lollar, B. and Clifford, S.M. (2006) High precision measurements of d13C-CH4 and d2H-CH4 with cavity ringdown spectroscopy. ABSCICON 2006. Washington DC. March 2006.

McGown, D., Boettiger, C., Davidson, M., Chain, E., Onstott, T.C., Pratt, L., Bakermans, C., Thomashow, M., Miller, S., Balkwill, D., Soffentino, B., Ruskeeniemi, T., Ahonen, L., Telling, J., Sherwood Lollar, B., Frape, S. and Stotler, R. (2006) Species diversity and sulfur metabolism of psychrophiles in a deep subpermafrost brine in the Canadian Arctic. ABSCICON 2006. Washington DC. March 2006.

Onstott, T.C., Pratt, L.M., Clifford, S.M., Sherwood Lollar, B., Phelps, T.J. (2006) Martian subsurface biotomes: A fanciful speculation. ABSCICON 2006. Washington DC. March 2006.

Boettig, C., McGown, D., Davidson, M., Onstott, T.C., Soffentino, B., Bakermans, C., Thomashow, M., Miller, S.,  Balkwill, D., Pratt, L., Ruskeeniemi, T., Ahonen, L., Telling, J., Sherwood Lollar, B., Frape, S. and Stotler, R. Distribution and diversity of microorganisms of deep, subpermafrost brine in the Canadian Arctic. American Geophysical Union Fall Meeting. San Francisco CA. Dec. 2005.

Slater, G.F., Lippman, J., Reddy, C.M., Ward, J., Lacrampe-Couloume, G., Lin., L.-H., Hall, J., Onstott, T.C. and B. Sherwood Lollar. Evaluating bacterial methanogenesis via the distribution of`14C between dissolved inorganic carbon (DIC) and CH4 in South African gold mines. International Symposium on Subsurface Microbiology (ISSM). Jackson Hole, WY. August 2005.

Moser, D.P., Gihring, T.M., Brockman, F.J., Fredrickson, J.K., Balkwill, D.L., Dollhopf, M.E., Sherwood Lollar, B., Pratt, L.M., Boice, E., Southam, G., Wanger, G., Baker, B.J., Pfiffner, S.M., Lin, L.-H., Kieft, T.L., Mileson, M. and T.C. Onstott. Microbial communities of deep crustal fracture systems may reveal a new mechanism for fueling subsurface biospheres. International Symposium on Subsurface Microbiology (ISSM). Jackson Hole, WY. August 2005.

Kieft, T.L., Milleson, M., McCuddy, S.M., Onstott, T.C., Davidson, M., Mislowac, B., Lin, L.-H., Sherwood Lollar, B., Lippmann, J., Gihring, T., Moser, D., Pratt, L.M., Boice, E., Pfiffner, S.M. and T.J. Phelps. Comparing the geomicrobiology of two neighboring 3-km deep groundwaters of widely differing age. International Symposium on Subsurface Microbiology (ISSM). Jackson Hole, WY. August 2005.

Fu, Q., Sherwood Lollar, B., Horita, J., Lacrampe-Couloume, G. and W. Seyfried, Jr. Hydrogen and carbon isotope compositions of hydrocarbons in hydrothermal carbon reduction processes. 15th Annual V. M. Goldschmidt Conference, Moscow, ID. May 2005.

Sherwood Lollar, B., Telling, J., Lacrampe-Couloume, G., Slater, G.F., Onstott, T.C. and Pratt, L.M.  Signatures of life? Resolving abiogenic versus biogenic sources of methane and implications for Mars exploration. 5th Canadian Space Exploration Workshop - The Future of Space Exploration in Canada. Canadian Space Agency, Longueuil Quebec. May 2005.

Telling, J.P., Lacrampe-Couloume, G. and B. Sherwood Lollar. Compound specific hydrogen and carbon isotopes as a tool to distinguish abiogenic from biogenic hydrocarbons. NASA Astrobiology Institute (NAI) Annual Meeting. Boulder CO. April 2005.

Kieft, T.L., Onstott, T.C., Lin, L.-H., Sherwood Lollar, B., Moser, D., Phelps, T.J., Pfiffner, S.M. and L.M. Pratt. Limits to life in the deep terrestrial biosphere. International Continental Drilling Program Workshop, Potsdam, Germany March 30-April 1, 2005.

T. Hazen - Lawrence Berkeley National Laboratory

Brodie*, E., and T. C. Hazen.  Contributed.  Integration of the Omics, Bioinformatics, and Biogeochemistry: The New Frontier for Environmental Biotechnology.  May 2006, Monterey, CA.  The Fifth International Conference on Remediation of Chlorinated and Recalcitrant Compounds.

Chivian*, D., E. J. Alm, F. J. Brockman, E. L. Brodie, D. E. Culley, T. Gihring, A. Lapidus, L-H. Lin, D. P. Moser, P. Richardson, A. P. Arkin, T. C. Hazen, and T. C. Onstott.  Environmental Genomic Characterization of a Deep Subsurface Microorganism.  May 2006, Orlando, FL.  American Society for Microbiology Annual Meeting.

Hazen, T. C.  Invited.  Integrated Omics in Systems Biology: The New Frontier for Environmental Biotechnology, Ecology and Evolution.  April 2006, Miami, OH.  Orton K. Stark General Lecture, Miami University.

Onstott*, T. C., T. C. Hazen, E. J. Alm, A. P. Arkin, F. J. Brockman, E. L. Brodie, D. Chivan, D. E. Culley, T. Ghring, A. Lapidus, L.-H. Lin, D. P. Moser, and P. Richardson.  Contributed.  Metagenomic characterization of a deep subsurface microorganism.  March 2006, Washington, DC.  NASA Astrobiology.  AbSciCon2006.

Hazen, T. C.  Invited.  Microbial Ecology in the deep subsurface.  February 2006, Lead, SD.  NSF Deep Underground Science and Engineering Lab Workshop.

Hazen, T. C.  Invited.  Integrated Omics in Systems Biology: The New Frontier for Environmental Biotechnology, Ecology and Evolution.  January 2006, Winston-Salem, NC.  Wake Forest University.

Hazen, T. C.  Invited.  Omics and Biogeochemistry: The New Frontier for Environmental Biotechnology (Lab to the Field and back).  October 2005, Berkeley, CA.  Department of Plant and Microbial Biology, University of California at Berkeley.

Hazen*, T. C., E. Brodie, F. Brockman, D. Moser, T. Gihring, D. Culley, L-H. Lin, T. Pray, G. Andersen, P. Richardson, L. Pratt, and T. C. Onstott.  Contributed.  Comparison of planktonic and biofilm microbial communities in million year old fissure water from a deep subsurface gold mine.  August 2005, Jackson Hole, WY.  International Symposium Subsurface Microbiology.

Brodie, E. L.*, T. Z. DeSantis, J. P. Moberg, I. X. Zubieta, Y. M. Piceño, T. C. Hazen, and G. L. Andersen.  Contributed.  A High Density Microarray for Rapid Profiling of 16S rDNA and 16S rRNA of Prokaryotic Communities.  August 2005, Jackson Hole, WY.  International Symposium Subsurface Microbiology.

Chivian*, D., E. J. Alm, F. J. Brockman, E. L. Brodie, D. E. Culley, T. Gihring, A. Lapidus, L-H. Lin, D. P. Moser, P. Richardson, A. P. Arkin, T. C. Hazen, and T. C. Onstott.  Environmental Genomic Characterization of a Deep Subsurface Microorganism.  April 2006, Walnut Creek, CA.  JGI Users Meeting.

Hazen, T. C.  Invited.  VIMSS linkage to NABIR FRC.  October 2005, Oak Ridge, TN.  Annual NABIR FRC Workshop.

Wyborski, D. L., C. B. Abulencia, B. Buchner, D. Burton, C. Chang, J. Garcia1, T. C. Hazen, K. Obokata, M. Podar, T. Torok, and M. Keller.  Contributed.  Analysis of Organisms Surviving in Highly Contaminated Environments.  October 2005, Oak Ridge, TN.  Annual NABIR FRC Workshop.

Hazen, T. C.  Invited.  Integration of the Omics, Bioinformatics, and Biogeochemistry in Groundwater Remediation.  October 2005, San Diego, CA.  International Conference on Safe Water, Exploring Global Demands and Impacts of Natural Disasters, SAFEWATER 2005.

Conrad*, M. E., S. E. Borglin, E. Brodie, K. N. Woods, B. Faybishenko, T. C. Hazen, P. E. Long, and A. Willett.  Contributed.  Quantification of enhanced bioreduction of Cr(VI) using 13C-PLFA monitoring coupled with advance microbiological techniques.  October 2005, Salt Lake City, UT.  Annual Meeting Geological Society of America.

Hazen, T. C.  Invited.  Omics and Biogeochemistry: The New Frontier for Environmental Biotechnology (Lab to the Field and back).  October 2005, Berkeley, CA.  Department of Plant and Microbial Biology, University of California at Berkeley.

Hazen, T. C.  Invited Plenary.  Environmental Biotechnology and Bioremediation.  October 2005, Warrenton, VA.  2005 ASTAR National Boot Camp for Maryland and Ohio ASTA Resource Judges and Guest Jurists, The Language of the Life Sciences at the Airlie Conference Center.

Hazen, T. C.  Invited.  Intimate Strangers: The Anatomy, Ecology & Engineering of Microorganisms.  October 2005, Warrenton, VA.  2005 ASTAR National Boot Camp for Maryland and Ohio ASTA Resource Judges and Guest Jurists, The Language of the Life Sciences at the Airlie Conference Center.

Hazen, T. C.  Panel Interlocutor.  Biological Agents: Threat, Preparedness, Response and Myths.  October 2005, Warrenton, VA.  2005 ASTAR National Boot Camp for Maryland and Ohio ASTA Resource Judges and Guest Jurists, The Language of the Life Sciences at the Airlie Conference Center.

Hazen*, T. C., E. Brodie, F. Brockman, D. Moser, T. Gihring, D. Culley, L-H. Lin, T. Pray, G. Andersen, P. Richardson, L. Pratt, and T. C. Onstott.  Contributed.  Comparison of planktonic and biofilm microbial communities in million year old fissure water from a deep subsurface gold mine.  August 2005, Jackson Hole, WY.  International Symposium Subsurface Microbiology.

Hazen, T. C.  Moderator.  Molecular Biology Characterization of Subsurface Microbial Communities.  August 2005, Jackson Hole, WY.  International Symposium Subsurface Microbiology.

Brodie, E. L.*, T. Z. DeSantis, J. P. Moberg, I. X. Zubieta, Y. M. Piceño, T. C. Hazen, and G. L. Andersen.  Contributed.  A High Density Microarray for Rapid Profiling of 16S rDNA and 16S rRNA of Prokaryotic Communities.  August 2005, Jackson Hole, WY.  International Symposium Subsurface Microbiology.

Hazen*, T. C., B. Faybishenko, E. Brodie, D. Joyner, S. E. Borglin, J. Hanlon, M. Conrad, T. Tokunaga, J. M. Wan, S. Hubbard, K. Williams, J. Peterson, M. K. Firestone, G. L. Andersen, T. DeSantis, P. E. Long, D. R. Newcomer, A. Willett, and S. Koenigsberg.  Contributed.  Chromium Bio-Immobilization at the Hanford 100H Site: Geochemical Response to Slow Release Electron Donor.  July 2005, San Francisco, CA.  International Union of Microbiological Societies.

Brodie*, E., T. C. Hazen, B. Faybishenko, D. Joyner, S. Borglin, M. Conrad, G. Andersen, T. DeSantis, P. Long, D. Newcomer, A. Willett, and S. Koenigsberg.  Contributed.  Chromium Bio-Immobilization at the Hanford 100H site: Comprehensive Molecular Analysis of Microbial Population Dynamics.  July 2005, San Francisco, CA.  International Union of Microbiological Societies.

Hazen, T. C.  Invited.  The Impact of Environmental Biotechnology in Bioremediation – The Dawning of the “Age of Omics”.  July 2005, Berkeley, CA.  LBNL Center for Environmental Biotechnology Summer Student Seminar.

Hazen, T. C.  Invited.  In situ bioremediation and applicability to geobioreactors.  July 2005, Denver, CO.  Luca Technologies.

Hazen, T. C.  Invited.  Bioremediation technologies for petroleum.  June 2005, Usinsk, Russia.  LuK Oil Company.

Hazen, T. C.  Invited.  Evaluation of sorption/bioremediation product application.  June 2005, Syktyvkar, Russia.  Institute of Biology, Komi Republic.

Hazen, T. C.  Invited.  Evaluation of sorption/bioremediation product application.  June 2005, Moscow, Russia.  International Science & Technology Center.

Hazen, T. C.  Invited.  The Impact of Environmental Biotechnology in Bioremediation – The Dawning of the “Age of Omics”.  June 2005, Baltimore, MD.  Eighth International Conference on In Situ and On-Site Bioremediation

Hazen, T. C., B. Faybishenko, E. Brodie, D. Joyner, S. E. Borglin, J. Hanlon, M. Conrad, T. Tokunaga, J. M. Wan, S. Hubbard, K. Williams, J. Peterson, M. K. Firestone, G. L. Andersen, T. DeSantis, P. E. Long, D. R. Newcomer, A. Willett, and S. Koenigsberg.  Contributed.  Chromium Bio-Immobilization at the Hanford 100H Site: Geochemical Response to Slow Release Electron Donor.  June 2005, Atlanta, GA.  Annual Meeting American Society for Microbiology.

Chhabra*, S. R., Q. He, Z. He, S. Gaucher, E. Alm, M. Hadi, A. P. Arkin, T. C. Hazen, J. Zhou, and A. K. Singh.  Contributed.  Analysis of the heat shock response in Desulfovibrio vulgaris through global proteomics and transcriptomics studies.  June 2005, Atlanta, GA.  Annual Meeting American Society for Microbiology.

Brodie*, E., T. C. Hazen, B. Faybishenko, D. Joyner, S. Borglin, M. Conrad, G. Andersen, T. DeSantis, P. Long, D. Newcomer, A. Willett, and S. Koenigsberg.  Contributed.  Chromium Bio-Immobilization at the Hanford 100H site: Comprehensive Molecular Analysis of Microbial Population Dynamics.  June 2005, Atlanta, GA.  Annual Meeting American Society for Microbiology.

Ringbauer, Jr., J. A., R. B. Payne, H. Zhili, H. Qiang, W. Liyou, Z. Jizhong, M. W. Fields, E. Alm, K. Huang, T. C. Hazen, A. Arkin, and J. D. Wall.  Contributed.  Transposon Mutagenesis of Desulfovibrio vulgaris Yields Insight into Sodium and pH Stresses.  June 2005, Atlanta, GA.  Annual Meeting American Society for Microbiology.

Wyborski, D. L., C. B. Abulencia, B. Buchner, D. Burton, C. Chang, J. Garcia1, T. C. Hazen, K. Obokata, M. Podar, T. Torok, and M. Keller.  Contributed.  Analysis of Organisms Surviving in Highly Contaminated Environments.  June 2005, Atlanta, GA.  Annual Meeting American Society for Microbiology.

He*, Q., Z. He, K. H. Huang, E. J. Alm, A. P. Arkin, J. D. Wall, T. C. Hazen, M. W. Fields, and J. Zhou.  Contributed.  Whole-Genome Transcriptional Response of Desulfovibrio vulgaris to Nitrite.  June 2005, Atlanta, GA.  Annual Meeting American Society for Microbiology.

He*, Q., Z. He, L. Wu, A. P. Arkin, T. C. Hazen, J. D. Wall,  M. W. Fields, D. A. Stahl, and J. Zhou.  Contributed.  Transcriptional Gene Expression Analysis of the Response to Acetone in Desulfovibrio vulgaris Using Whole-Genome Oligonucleotide Microarrays.  June 2005, Atlanta, GA.  Annual Meeting American Society for Microbiology.

Alm, E., A. Arkin*, T. C. Hazen, J. Keasling, M. Keller, A. Mukhopadhyay, A. Singh, D. Stahl, D. Thompson, J. Wall, and J. Zhou.  Contributed.  A Powerful Integrated Approach to the Systems-Level Response of Bacteria to Environmental Stress.  June 2005, Atlanta, GA.  Annual Meeting American Society for Microbiology.

Huang*, R., D. Joyner, S. Borglin, T. C. Hazen, and N. Katz.  Contributed.  Large Scale Biomass Production of Obligate Anaerobes for Simultaneous Transcriptomics, Proteomics, Metabolomics, and Lipidomics Analysis.  June 2005, Atlanta, GA.  Annual Meeting American Society for Microbiology.

Holman*, H-Y. N., L. R. Comolli, E. Wozei, T. C. Hazen, and K. H. Downing.  Contributed.  Real-Time Observations of Chemical and Structural Aspects of Desulfovibrio vulgaris and Caluobacter crescentis in Atmospheric Oxygen.  June 2005, Atlanta, GA.  Annual Meeting American Society for Microbiology.

Barua*, S., C. McAlvin, C. Hemme, S. Borglin, Y. Yang, D. Thompson, T. Hazen, J. Zhou.  Contributed.  Role of a LysR Family Transcriptional Regulator in Response to Osmotic Stress in Shewanella oneidensis MR1.  June 2005, Atlanta, GA.  Annual Meeting American Society for Microbiology.

Holman*, H-Y. N., S. E. Borglin, T. C. Hazen, D. Joyner, R. Huang, N. Katz, and E. Wozei.  Contributed.  Spectral Comparisons Reveal General Stress Response Strategies in Desulfovibrio vulgaris.  June 2005, Atlanta, GA.  Annual Meeting American Society for Microbiology.

Fields*, M. W., T. Yan, X. Liu, C. E. Bagwell, S. L. Carroll, P. M. Jardine, D. B. Watson, C. S. Criddle, T. C. Hazen, and J. Zhou.  Contributed.  Identification of Different Relationships Between Contaminated Groundwater Samples Based Upon Extensive Geochemical Data or Multiple Gene Sequences from Microbial Communities.  June 2005, Atlanta, GA.  Annual Meeting American Society for Microbiology.

Clark*, M. E., Z. He, Q. He. L. Wu, J. D. Wall, T. C. Hazen, J. Zhou, and M. W. Fields.  Contributed.  Whole-Genome Transcriptional Response of Desulfovibrio vulgaris Hildenborough to Nitrite.  June 2005, Atlanta, GA.  Annual Meeting American Society for Microbiology.

Borglin*, S. E., T. C. Hazen, E. Alm, D. Joyner, R. Huang, N. K. Katz.  Contributed.  Phospholipid Fatty Acid Analysis as Phenotypic Indicators of Common Stress Response Pathways in Desulfovibrio vulgaris and Shewanella oneidensis.  June 2005, Atlanta, GA.  Annual Meeting American Society for Microbiology.

Borglin*, S. E., T. C. Hazen, J. Carlson, J. D. Wall, and D. Joyner.  Contributed.  Phenotypic Microarray Analysis of Desulfovibrio vulgaris.  June 2005, Atlanta, GA.  Annual Meeting American Society for Microbiology.

Stolyar*, S., C. Walker, H.-C. Yenc, B. Zuniga, N. Pinel, H. Gough, Z. He, Q. He, J. Zhou, T. C. Hazen, S. E. Borglin, J. D. Wall, and D. A. Stahl.  Contributed.  Genomic and physiological characterization of Desulfovibrio vulgaris strains isolated from a metal contaminated lake.  June 2005, Atlanta, GA.  Annual Meeting American Society for Microbiology.

Katz*, N., T. C. Hazen, R. Huang, D. Joyner, and S. E. Borglin.  Contributed.  High Throughput Analysis of Stress Growth Response in Shewanella oneidensis MR-1.  June 2005, Atlanta, GA.  Annual Meeting American Society for Microbiology.

He*, Z., Q. He, E. J. Alm, J. D. Wall, M. W. Fields, T. C. Hazen, A. P. Arkin, and J. Zhou.  Contributed.  Adaptation of Desulfovibrio vulgaris to Elevated NaCl Conditions.  June 2005, Atlanta, GA.  Annual Meeting American Society for Microbiology.

Geller*, J., T. C. Hazen, R. Huang, D. Joyner, and S. E. Borglin.  Contributed.  Characterization of Desulfovibrio vulgaris Grown in Extremophile Turbidostat Reactors.  June 2005, Atlanta, GA.  Annual Meeting American Society for Microbiology.

Fields*, M. W., M. E. Clark, Z. He, Q. He, L. Wu, J. D. Wall, T. C. Hazen, and J. Zhou.  Contributed.  Whole-Genome Expression Analysis of Desulfovibrio vulgaris Cells Throughout Exponential Phase into Stationary Phase Growth in a Defined Medium.  June 2005, Atlanta, GA.  Annual Meeting American Society for Microbiology.

Hazen, T. C.  Invited.  Integration of the Ecogenomics, Proteomics, Bioinformatics, and Biogeochemistry: The New Frontier for Environmental Biotechnology.  April 2005, Durham, NH.  University of New Hampshire.

Hazen, T. C., and L. Krumholz.  Invited Workshop.  What changes in microbial community structure can be expected during and after biostimulation.  April 2005, Warrenton, VA.  DOE NABIR Annual Investigators Meeting.

Hazen, T. C.  Invited Presentation.  Field-Integrated Studies of Long-Term Sustainability of Chromium Bioreduction at the Hanford 100H Site.  April 2005, Warrenton, VA.  DOE NABIR Annual Investigators Meeting.

He, Z., M. E. Clark, Q. He, L. Wu, J. D. Wall, T. C. Hazen, J. Zhou, and M. W. Fields.  Invited.  Field-Integrated Construction of Whole Genome Microarrays, and Expression Analysis of Desulfovibrio vulgaris Cells under Metal-Reducing Conditions.  April 2005, Warrenton, VA.  DOE NABIR Annual Investigators Meeting.

Tokunaga, J. Wan, T. C. Hazen, M. Firestone, E. Brodie, Z. Zheng, J. Larsen, and D. Herman.  Invited.  Mesoscale Biotransformation of Uranium.  April 2005, Warrenton, VA.  DOE NABIR Annual Investigators Meeting.

Hazen, T. C., B. Faybishenko, E. Brodie, D. Joyner, S. E. Borglin, J. Hanlon, M. Conrad, T. Tokunaga, J. M. Wan, S. Hubbard, K. Williams, J. Peterson, M. K. Firestone, G. L. Andersen, T. DeSantis, P. E. Long, D. R. Newcomer, A. Willett, and S. Koenigsberg.  Invited.  Field-Integrated Studies of Long-Term Sustainability of Chromium Bioreduction at the Hanford 100H Site.  April 2005, Warrenton, VA.  DOE NABIR Annual Investigators Meeting.

Brockman*, F., D. Moser, T. Gihring, D. Culley, E. Brodie, G. Andersen, T. C. Hazen, P. Richardson, L. Pratt, and T. C. Onstott.  Contributed.  Inferred bioenergetics of an uncultured bacterium common in fracture fluids of South African deep mines.  April 2005, Boulder, CO.  NAI (NASA Astrobiology Institute) 2005 Biennial Meeting.

Hazen, T. C.  Invited.  Integration of the Ecogenomics, Proteomics, Bioinformatics, and Biogeochemistry: The New Frontier for Environmental Biotechnology.  March 2005, Santa Barbara, CA.  University of California at Santa Barbara, Bren School of Engineering.

Hazen, T. C.  Invited.  Integration of the Omics, Bioinformatics, and Biogeochemistry: The New Frontier for Environmental Biotechnology.  March 2005, Palo Alto, CA.  Stanford University, Department of Civil and Environmental Engineering.

Hazen, T. C.  Invited.  Integration of the Omics, Bioinformatics, and Biogeochemistry: The New Frontier for Environmental Biotechnology.  March 2005, San Diego, CA.  15th Annual AEHS West Coast Conference on Soils, Sediments, and Water.

Hazen, T. C.  Invited Workshop.  Bioremediation of Metals and Radionuclides at DOE Sites.  January 2005, Phoenix, AZ.  Consensus Conference to Characterize Regulatory Concerns Regarding Bioremediation of Radionuclies and Heavy Metals in Mixed Wastes at DOE Sites.