Onstott, T.C.  (2006).  Martian CH4: sources, flux and detection.  Astrobiology Journal, 6:377-395.

Vishnivetskaya, T.A., N., W., Kathariou, S., Onstott, T., Gilichinsky, D. & Tiedje, J.  (2006).  Microbial diversity in Lupin Mine and Siberian permafrost.  International Conference on Alpine and Polar Microbiology:Abstract L63, p. 48.  Innsbruck, Austria.

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

Slater, G.F., Lippman, J., Reddy, C.M., Ward, J., Lacrampe-Couloume, G., Lin., L.-H., Hall, J., Onstott, T.C. & Sherwood Lollar, B.  (2005).  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.

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.

Sherwood Lollar, B., Lacrampe-Couloume, G., Slater, G.F., Ward, J., Moser, D.P., Gihring, T.M., Lin, L.-H. & Onstott, T.C.  (In Press, 2005).  Unravelling abiogenic and biogenic sources of methane in the Earth's deep subsurface.  Chemical Geology.

Onstott, T.C., Sherwood Lollar, B., Lippmann-Pipke, J. & Lehmann, K.  (2005).  The source, flux and detection of Martian methane: Inferences from deep crustal environments within the Witwatersrand Basin, South Africa.  Astrobiology Journal (submitted).

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., 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.  (2003).  Changes over a 2.5 km vertical flow path in a deep hydrological downwelling zone.  American Society for Microbiology Annual Meeting.  Washington D.C.

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).

Mislowack, B., Onstott, T.C., Lin, L.-H., Rose, G., Ralston, C., Sherwood Lollar, B., Pfiffner, S.M., Kieft, T. & McCuddy, S.  (2004).  In situ cultivation of deep subsurface microorganisms in a mafic sill: Implications for SliMEs [Abstract].  104th Annual Meeting of the American Society for Microbiology.  New Orleans LA.

Lin, L.-H., Slater, G.F., Sherwood Lollar, B., Lacrampe-Couloume, G. & Onstott, T.C.  (2005).  The yield and isotopic composition of radiolytic H2, a potential energy source for the deep subsurface biosphere.  Geochim. Cosmo. Acta, 69(4):893-903.

Lin, L.-H., Hall, J., Lippmann, J., Ward, J.A., Sherwood Lollar, B., DeFlaun, M., Rothmel, R., Moser, D., Gihring, T., Mislowack, B. & Onstott, T.C.  (In Press, 2005).  Radiolytic H2 in continental crust: Nuclear power for deep subsurface microbial communities.  Geochem. Geophys. Geosys..

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.

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

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.

Onstott, T.C., McGown, D., Sherwood Lollar, B., Lehmann, K.K. & Clifford, S.  (2005).  Martian CH4: sources, flux and detection.  Astrobiology Journal, submitted.

Dismukes, G.C., Ananyev, G., Nguyen, T., Onstott, T.C. & Davidson, M.  (2005).  Microbes from extreme environments and an astrobiology course.  NASA Astrobiology Institute Annual Meeting.  Boulder Colorado.

Hall, J.A., Mailloux, B.J., Onstott, T.C., Scheibe, T.D., Fuller, M.E., Dong, H. & DeFlaun, M.F.  (2005).  Physical versus chemical effects on bacterial and bromide transport as determined from on site sediment column pulse experiments.  Journal of Contaminant Hydrology, 76:295-314.