Curriculum vitae k. J. Edwards katrina j. Edwards

Pyenson, B.C., Sylvan, J.B., Toner, B.M., Rouxel, O.J., German, C.R., Edwards, K.J. 2008. Microbial Diversity of Hydrothermal Vent Neutrally-Buoyant Plume Particles From 9 North, East Pacific Rise, After a Major Tectonic Event in 2005-2006. AGU Fall Meeting, San Francisco, CA. Poster Presentation.

Toner, B., Rouxel, O., Santelli, C.M., Edwards, K.J. 2008. Sea-Floor Weathering of Hydrothermal Chimney Sulfides at the East Pacific Rise 9N: Chemical Speciation and Isotopic Signature of Iron Using X-Ray Absorption Spectroscopy and Laser-Ablation MC-ICP-MS. Goldschmidt Conference, Vancouver, British Columbia. Oral Presentation.

Edwards, K.J. 2008. Life on the rocks in the deep-sea: The basalt biome. ISME 12, Cains, Australia. Invited Oral Presentation.

Edwards, K.J. 2008. The Deep Subsurface Biosphere at North Pond: A Mid-Atlantic Ridge Flank Microbial Observatory. Invited Oral Presentation. EGU Conference, Vienna, Austria.

Orcutt, B.N., Santelli, C.M., Banning, E., Sogin, M., Edwards, K.J. 2008. Life in the crust of the ocean: Exceptional microbial diversity supported by lithotrophic alteration reactions of ocean crust basalts. AbSciCon Meeting, San Jose, CA.

Rouxel, O., Toner, B.M.*, Craddock, P, Bach, W., Edwards, K.J.. 2008. In situ analysis of Fe and S-isotope composition of hydrothermal chimneys by laser ablation MC-ICPMS. EGU Conference, Vienna, Austria.

German, C., Manganini, S., Rouxel, O., Edwards, K.J. 2007. The impact of hydrothermally-sourced Fe on ocean biogeochemistry: New investigations from East Pacific Rise, 9-10°N. AGU Fall Meeting, San Francisco, CA. Poster Presentation.

Horn, G., Kroeger, K.D., Kartal, B., Jetten, M.S.M., Edwards, K.J. 2007. Dinitrogen Gas Production from Epi- and Endolithic Basalt Communities at Loi’hi Seamount: A New Challenge for the Marine Nitrogen Budget. AGU Fall Meeting, San Francisco, CA. Poster Presentation.

Orcutt, B.N., Wheat, G., Jannash, H., Edwards, K.J. 2007. Deciphering life in young ocean crust: Development and Testing of Methods for Subsurface Microbial Observatories and In-situ Incubations. AGU Fall Meeting, San Francisco, CA. Poster Presentation.

Chan, C., Emerson, D., Fakra, S., Edwards, K.J. 2007. Iron oxidation and biomineralization by Mariprofundus ferrooxydans, a deep-sea microaerophilic lithoautotroph. AGU Fall Meeting, San Francisco, CA. Poster Presentation.

Rouxel, O., Edwards, K.J., Moyer, C.L., Wheat, G. 2007. Biogeochemical Cycling of Iron Isotopes at Loihi Seamount. AGU Fall Meeting, San Francisco, CA. Oral Presentation.

Wang, H., Edwards, K.J. 2007. Optimization of DNA extraction from deep-sea basalt. AGU Fall Meeting, San Francisco, CA. Poster Presentation.

Glazer, B.T., Briggs, R.A., Nuzzio, D.B., Heshiki, Z., Edwards, K.J., Moyer, C.L., Emerson, D., Tebo, B.M., Staudigel, H.S. 2007. In situ redox chemistry of hydrothermal fluids at the Loihi Seamount Microbial Observatory. Goldschimdt Conference, Cologne, Germany. Oral presentation.

Chan, C.S., Emerson, D., Fakra, S., Edwards, K.J. 2007. Formation of biomineralized stalks by a marine iron-oxidizing bacterium. Goldschmidt Conference, Cologne, Germany. Poster.

Chan, C., Emerson, D., Edwards, K.J. 2006. Biomineralogy and morphology of the marine iron-oxidizing bacterium Mariprofundus ferrooxydans AGU Fall Meeting, San Francisco. Oral Presentation.

German, C.R., Manganini, S., Adams, D., Rouxel, O.*, Edwards, K.J., Shank, T., Mullineaux, L. 2006. Time-series studies of hydrothermal flux following the EPR 9N 2006 Eruption. AGU Fall Meeting, San Francisco. Poster Presentation.

Marlow, J.J., Toner, B., Santelli, C.M., Edwards, K.J. 2006. Microbe-Mineral Interactions in Extinct Hydrothermal Chimneys at East Pacific Rise: Molecular and Microscopic Approaches. AGU Fall Meeting, San Francisco. Poster Presentation.

Toner, B., Santelli, C.M., Rogers, D.R., Edwards, K.J. 2006. Low-temperature weathering of hydrothermal chimney sulfide minerals at Juan de Fuca Ridge. AGU Fall Meeting, San Francisco. Oral Presentation.

Rogers, D.R., Webb, E.A., Edwards, K.J. 2006. Protein and gene expression under Fe-deplete and Fe-replete conditions in cultures of the marine lithotroph Marinobacter aquaeolei. ISME-11, Vienna, Austria. Oral Presentation.

Banning, E., Edwards, K.J. 2006. Microbial diversity on Lo’ihi seamount basalt. ISME-11, Vienna, Austria. Poster Presentation.

Santelli, C.M., Edgcomb, V., Bach, W., Edwards, K.J. Diversity of endolithic bacteria in seafloor basalt. European Geosciences Union (EGU) Meeting, Vienna, Austria. Poster Presentation.

Dhillon, A., Edwards, K.J., Webb, E.A., Rogers, D.R., Sogin, M.L. 2006. Loihi metagenomics: Search for neutraphilic iron oxidation genes. AbSciCon 2006, Washington, D.C. Oral Presentation.

Toner, B., Santelli, C.M., Rogers, D.R., Edwards, K.J. 2006. Low-temperature weathering of hydrothermal chimney sulfide minerals at Juan de Fuca Ridge. AbSciCon 2006, Washington, D.C. Oral Presentation.

Banning, E., Rogers, D.R., Edwards, K.J. 2006. Seafloor Microbial Community Composition as a Function of Mineral Substrate and Topography. ASLO Ocean Sciences Meeting, Honolulu. Poster Presentation.

Toner, B., Santelli, C.M., Rogers, D.R., Edwards, K.J. 2005. Low-temperature weathering of hydrothermal sulfide minerals at Juan de Fuca Ridge. AGU Fall Meeting, San Francisco. Poster Presentation.

Santelli, C.M., Edgcomb, V., Bach, W., Edwards, K.J. 2005 Bacterial Diversity of Young Seafloor Basalts: A potential role for microorganisms in ocean crust weathering. AGU Fall Meeting, San Francisco. Poster Presentation.

Dhillon, A., Edwards, K.J., Webb, E.A., Rogers, D.R., Sogin, M.L. 2005. Marinobacter aquaeolei gene expression studies for clues to neutrophilic Iron Oxidation. NASA NAI meeting, Boulder, CO. Poster Presentation.

Druschel, G.K., Lorenson, G.W., Rizzo, D.M., Rogers, D., Edwards, K.J. 2005. Field, lab, and computational tools and techniques for linking geochemical and microbial processes in a range of environments. Goldschmidt Conference, Moscow, ID. Oral Presentation.

Rogers, D.R., Edwards, K.J. 2005. Microbial diversity and putative metabolic guilds of bare rock communities. Poster Presentation at Troodos Ophiolite Field School, Troodos, Cyprus.

Rogers, D.R., Webb, E.A., Edwards, K.J. 2005. Differential protein expression in Fe amended cultures of Marinobacter aquaeolei: a view into deep-sea metabolism. NASA NAI meeting, Boulder, C.O. Poster Presentation.

Santelli, C.M., Bach, W., Edwards, K.J. 2005. Bacterial diversity of young ocean crust at the East Pacific Rise, 9°N. Poster Presentation at Troodos Ophiolite Field School, Troodos, Cyprus.

Santelli, C.M., Banerjee, N.R., Bach, W., Edwards, K.J. 2005. The deep ocean crust biosphere: Young and dynamic, old and dormant? The Joint International Symposia for Subsurface Microbiology (ISSM 2005) and Environmental Biogeochemistry (ISEB XVII). Poster Presentation.

Banning, E. Rogers, D.R., Edwards, K.J. 2004. Microbial Colonization of Mineral Substrates on Loihi Seamount. AGU Fall Meeting, San Francisco, CA. Poster Presentation.

Rogers, D.R., Bach, W., Edwards, K.J. 2004. The unseen iron pool: Is there a biogeochemical iron cycle in the ocean crust? ASLO Conference, Honolulu, Hawaii. Oral Presentation.

Rouxel, O., Bekker, A., Edwards, K.J. 2004. Iron Isotope Constraints on the Archean and Paleoproterozoic Ocean Redox State. NASA NAI meeting, Boulder, CO. Oral Presentation.

Rouxel, O., Bekker, A., Edwards, K.J. 2004. Iron Isotope Constraints on the Archean and Paleoproterozoic Ocean Redox State. AGU Fall Meeting, San Francisco, CA. Oral Presentation.

Santelli, C.M., Rogers, D.R., Bach, W., Edwards, K.J. 2004. Phylogenetic Diversity of Young Ocean Crust at the East Pacific Rise 9°N. AGU Fall Meeting, San Francisco, CA. Poster Presentation.

Simmons, S., Edwards, K.J. 2004. Novel marine magnetotactic bacteria. International Society for Microbial Ecology General Meeting, Cancun, Mexico. Poster Presentation.

Santelli, C.M., Edwards, K.J. 2003. Crystallographic Control of Microbial Adhesion to Pyrite Surfaces. ASM General Meeting, Washington, D.C. Poster Presentation.

Simmons, S., Edwards, K.J. 2003. Geobiology and Ecology of Marine Magnetotactic Bacteria. ASM General Meeting, Washington, D.C. Poster Presentation.

Rogers, D.R., Edwards, K.J. 2003. Geomicrobiology of basalt weathering: The iron story. ASLO Conference, Salt Lake City, UT. Oral Presentation

Abbott, H., Frankel, R.B., Bazylinski, D.A., Edwards, K.J. 2002. Seasonal Distribution of Magnetotactic Bacteria in a Chemically Stratified Coastal Salt Pond. ASLO Conference, Honolulu, Hawaii. Poster Presentation.

Edwards, K.J. 2002. Bioalteration of sulfide minerals at the seafloor. GSAAnnual Meeting, Denver, CO. Oral Presentation

Edwards, K.J., Rogers, D.R., Bach, W., McCollom, T.M. 2002. A role for psychrophilic, rock altering, chemolithoautotrophic Fe-oxidizing bacteria in ocean crust weathering. AGU Fall Meeting, San Francisco, CA. Oral Presentation.

Petsch, S.T., Edwards, K.J., Eglinton, T.I. 2002. Interactions of chemical, biological and physical processes during weathering of black shales. International Symposium on the Geochemistry of the Earth's Surface. Oral Presentation.

Bazylinski, D.A., Frankel, R.B., Edwards, K.J., Moskowitz, B.M., Schlezinger, D.R., Howes, B.L. 2001. Biogeochemical cycling and dynamics of magnetotactic microorganisms. Goldschmidt Conference, Hot Springs, VA. Oral Presentation.

Pearson, A., Sessions, A.L., Hayes, J.M., Edwards, K.J. 2001. Analysis of Nucleic Acids by Liquid Chromatography Isotope-Ratio Mass Spectrometry: First Steps Toward Merging Molecular Biology and Biogeochemistry. Goldschmidt Conference, Hot Springs, VA. Oral Presentation.

Petsch S.T., Eglinton, T.I., Edwards, K.J. 2001. Evidence for microbial activity in black shale weathering environments. Goldschmidt Conference, Hot Springs, VA. Oral Presentation.

Edwards, K.J. Mineral-Driven Chemosynthesis at Seafloor Hydrothermal Vents: What Can Be Learned From Terrestrial Microbe- Sulfide Mineral Interactions. 2000. 5th RIDGE Theoretical Institute: The Subsurface Biosphere at Mid-Ocean Ridges. Poster Presentation.

Edwards, K.J., Rutenburg, A.D. 2000. Microbial response to mineral surface microtopography. Goldschmidt Conference, Oxford, England. Oral Presentation

Petsch, S.T., Eglinton, T.I., Edwards, K.J. 2000. Microbes that utilize kerogen: Degradation of ancient, refractory organic matter during black shale weathering. Goldschmidt Conference, Oxford, England. Oral Presentation

Petsch, S.T., Eglinton, T.I., Edwards, K.J. 2000. Microbial degradation of organic matter in ancient sedimentary rocks. GSA Conference, Reno, NV. Poster Presentation

Banfield, J.F., Edwards, K.J., Bond, P.L., Gihring, T.M., Hu, B., Hamers, R.J. 1999. Geomicrobiology of acid mine drainage at Iron Mountain, California: molecular to field scale investigations. International Symposium on Environmental Biogeochemistry, Huntsville, Ontario. Oral Presentation.

Banfield, J.F., Welch, S.A., Santelli, C.M., Edwards, K.J. Bond, P.L. 1999. Microbial populations sustained by dissolution of iron silicates. Goldschmidt Conference, Boston, MA. Oral Presentation

Bond, P.L., Edwards, K.J., Gihring, T.M., Banfield, J.F. 1999. Microbial ecology of an acid mine drainage environment. Geological Society of America Conference, Denver, CO. Oral Presentation

Bond, P.L., Edwards, K.J., Hamers, R.J., and Banfield, J.F. 1999. Identification of an iron oxidizing Archaea causing acid mine drainage at Iron Mountain, CA. American Society for Microbiology Meeting, Chicago, IL. Poster Presentation.

Edwards, K.J., McGuire, M.M., Hamers, R.J., Banfield, J.F. 1999. Kinetics and surface microstructural evolution of microbially mediated sulfide dissolution: Implications for modeling acid mine drainage generation. Goldschmidt Conference, Boston, MA. Oral Presentation

Edwards, K.J., McGuire, M.M., Hamers, R.J., Banfield, J.F. 1999. Rates of microbial sulfide dissolution and the microbial contribution to acid mine drainage generation. GSA Conference, Denver, CO., Oral Presentation

Gihring, T.M., Edwards, K.J., Bond, P.L., Hamers, R.J., Banfield, J.F. 1999. Microbial interactions with arsenopyrite during oxidative dissolution. GSA Conference, Denver, CO. Poster Presentation

Hu, B., Edwards, K.J., Banfield, J.F., Hamers, R.J. 1999. Study of ferric iron in pyrite (FeS2) dissolution. Symposium on Applied Surface Analysis, Milwaukee, WI. Poster Presentation.

McGuire, M.M., Edwards, K.J., Banfield, J.F., Hamers, R.J. 1999. Surface chemistry of sulfide minerals during oxidative dissolution. Goldschmidt Conference, Boston, MA. Poster Presentation

McGuire, M.M., Edwards, K.J., Hu, B., Banfield, J.F., Hamers, R.J. 1999. Formation of elemental sulfur on sulfide mineral surfaces. GSA conference, Denver, CO. Poster Presentation

Edwards, K.J., Bond, P.L., Gihring, T.M., Banfield, J.F., Hu, B., Hamers, R.H. 1998. Oriented attachment and biological dissolution of arsenopyrite and pyrite. GSA Conference, Toronto, Ontario. Oral Presentation

Edwards, K.J., Gihring, T.M., Schrenk, M.O., Hamers, R.J., Banfield, J.F., 1998. Microbial Populations and Distributions at an Extreme Acid Mine Drainage Environment: A study using Fluorescent In-situ Hybridization. ASM Conference, Atlanta, GA. Poster Presentation.

Gihring, T.M., Edwards, K.J., Bond, P.L., Banfield, J.F., Hamers, R.H. 1998. Microbial populations and geochemical conditions at an extreme acid mine drainage environment. GSA conference, Toronto, Ontario, Poster Presentation.

Schrenk, M.O, Edwards, K.J., Banfield, J.F, Goodman, R.M., 1997. Distribution and Identification of Microorganisms in Acidic Mine Drainage as Determined by Fluorescence in-situ Hybridization to Environmental Samples. Goldschmidt Conference, Tuscon, AZ. Poster Presentation.