Pfiffner, S.M. & Pratt, L.M. (2008). Challenges for Coring Deep Permafrost on Earth and Mars. Alpine and Polar Microbiology Conference. Baniff, Alberta, Canada.
Pratt, L.M. (2006). Radiolysis of Water as a Source of Bioavailable Chemical Energy [Abstract]. 16th annual V.M. Goldschmidt Conference. Melbourne, Australia.
Pratt, L.M. (2006). Using appraisal of microbial activity in sub-permafrost brines to refine life-detection strategies for Mars. AbSciCon. Washington DC.
Pratt, L.M. (2005). Microbial adaptations to biosustainability in deep-subsurface environments on Earth. AGU.
Pohorille, A. & Pratt, L. (2006). Water as amatrix of life [Abstract]. Astrobiology, 6:237.
Sherwood Lollar, B., Telling, J., Lacrampe-Couloume, G., Slater, G.F., Onstott, T.C. & Pratt, L.M. (2005). Resolving abiogenic versus biogenic sources of methane and implications for Mars exploration. Invited Talk. Methane on Mars NASA Astrobiology Institute Distributed Workshop. NASA Goddard Space Flight Centre, Greenbelt MD.
Sherwood Lollar, B., Telling, J., Lacrampe-Couloume, G., Slater, G.F., Onstott, T.C. & Pratt, L.M. (2005). Signatures of life? Resolving abiogenic versus biogenic sources of methane and implications for Mars exploration [Abstract]. 5th Canadian Space Exploration Workshop - The Future of Space Exploration in Canada. Canadian Space Agency. Longueuil Quebec.
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. & van Heerden, E. (2004). Does the lack of energy limit deep subsurface life?. 104th Annual Meeting of the American Society for Microbiology. New Orleans LA.
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. & Rothmel, R. (2005). The origin and age of biogeochemical trends in deep fracture water of the Witwatersrand Basin, South Africa. Geomicrobiology Journal (in press).
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. & Wanger, G. (2004). Investigations of deep subsurface microbial ecology via the ultradeep gold mines of South Africa [Abstract]. Annual Meeting of the International Society of Microbial Ecology. Cancun, Mexico.
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. & Onstott, T.C. (2005). Microbial communities of deep crustal fracture systems may reveal a new mechanism for fueling subsurface biospheres [Abstract]. International Symposium on Subsurface Microbiology (ISSM). Jackson Hole, WY.
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. & Onstott, T.C. (2005). Deep continental fracture system dominated by Methanobacterium spp. and Desulfotomaculum spp. Applied and Environmental Microbiology (submitted).
Lin, L.-H., Gihring, T., Sherwood Lollar, B., Boie, E., Pratt, L., Lippmann-Pipke, J., Bellamy, R.,E.S & Onstott, T... (Submitted, 2005). Heterogeneous microbial communities associated with a 0.7 to 1.4 kmbls section of the continental crust. Geomicrobiology Journal.
Kieft, T.L., Onstott, T.C., Lin, L.-H., Sherwood Lollar, B., Moser, D., Phelps, T.J., Pfiffner, S.M. & Pratt, L.M. (2005). Limits to life in the deep terrestrial biosphere [Abstract]. International Continental Drilling Program Workshop. Potsdam, Germany.
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. & Phelps, T.J. (2005). Comparing the geomicrobiology of two neighboring 3-km deep groundwaters of widely differing age [Abstract]. International Symposium on Subsurface Microbiology (ISSM). Jackson Hole, WY.
Kieft, T.L., McCuddy, S.M., Onstott, T.C., Davidson, M., Mislowack, B., Pratt, L., Boice, E., Sherwood Lollar, B., Lippmann, J., Pfiffner, S.M., Phelps, T.J., Gihring, T., Moser, D. & A., V.H. (In Press, 2005). Geochemically generated, energy-rich substrates and indigenous microorganisms in deep ancient groundwater. Geomicrobiology Journal.
Davidson, M.M., Onstott, T.C., Pratt, L.M., Boice, E.A., Southam, G., Wanger, G., Sherwood Lollar, B., Lippmann, J. & Seymoor, W. (2003). Microbial diversity associated with geochemical changes in a deep subsurface aquifer [Abstract]. American Geophysical Union Fall Meeting. San Francisco CA.
Email prattl@indiana.edu Institution Indiana University Telephone 812 855 9203 Fax 812 855 7961 Address Department of Geological Sciences
