Education | Professional Experience | Research | Teaching | Refereed Publications | Book Chapters | Reports and Other Documents | Scientific Collaborators | Graduate Advisees | Postdoctoral Advisees | Journal Reviews | Graduate Advisor | Postdoctoral Advisors
B.S., Biology, Lebanon Valley College, December 1983
Ph.D., Marine-Estuarine Environmental Science, University of Maryland, December 1990
1982-83 Research Technician, Pennsylvania Department of Agriculture.
1984-86 Research Assistant, University of Maryland, Chesapeake Biological Laboratory
1986-87 Teaching Assistant, University of Maryland, Department of Microbiology
1987-90 Research Assistant, University of Maryland, Chesapeake Biological Laboratory
1990-92 National Research Council Postdoctoral Research Associate, U.S. Geol. Survey
1993 Postdoctoral Research Associate, Battelle Pacific Northwest Laboratory
1993-98 Assistant Professor of Biological Sciences, The University of Alabama
1998-2004 Associate Professor of Biological Sciences, The University of Alabama
2004-2005 Professor of Biological Sciences, The University of Alabama
2005- Professor of Geology and Geophysics, University of Wisconsin-Madison
(1) Biogeochemistry of aquatic environments; (2) rates of and controls on microbial metabolism in anaerobic soils and sediments; (3) role of anaerobic microbial processes in geochemical cycling and energy flow in sedimentary systems; and (4) physiology and ecology of anaerobic respiratory bacteria; (5) bioremediation of metal-radionuclide contaminants in anaerobic soils and sediments.
(1) Microbial Ecology (undergrad/grad; 3 hrs); (2) Microbial Ecology Laboratory (undergrad/grad; 2 hrs); (3) Introduction to Inquiry (undergrad; 3 hrs); (4) Environmental Modeling (undergrad/grad; 3 hrs); (5) Aquatic Biogeochemistry (grad; 3 hrs); (6) Trace Metal Biogeochemistry (grad; 2 hrs).
Weber, K.A. P.F. Churchill, K.K. Kukkadapu, and E.E. Roden. 2005. Anaerobic redox cycling of iron by freshwater sediment microorganisms. Environ. Microbiol. doi:10.1111/j.1462-2920.2005.00873x.
Crosby, H.A., C.M. Johnson, E.E. Roden, and B.L. Beard. Fe(II)-Fe(III) electron/atom exchange as a mechanism for Fe isotope fractionation during dissimilatory iron oxide reduction. 2005. Environ. Sci. Technol. 39:6698-6704.
Jeon, B.H., S.D. Kelly, K.M. Kemner, M.O. Barnett, W.D. Burgos, B.A. Dempsey, E.E. Roden. 2005. Chemical reduction of U(VI) by Fe(II) at the solid-water interface using natural and synthetic iron(III) oxides. Environ. Sci. Technol. 39:5642-5649.
Warner, K.A., J.-C. J. Bonzongo, E.E. Roden, M.G. Ward, A.C. Green, I. Chaubey, W.B. Lyons, and D.A. Arrington. 2005. Effect of watershed parameters on mercury distribution in different environmental compartments in the Mobile Alabama River Basin, USA. Sci. Tot. Environ. 347:187-207.
Roden, E.E. and T.D. Scheibe. 2005. Conceptual and numerical model of uranium(VI) reductive immobilization in fractured subsurface sediments. Chemosphere. 59:617-628.
Johnson, C.M., E.E. Roden, S.A. Welch, and B.L. Beard. 2005. Experimental constraints on Fe isotope fractionation during magnetite and Fe carbonate formation coupled to dissimilatory hydrous ferric oxide reduction. Geochim. Cosmochim. Acta. 69:963-993.
Chen, J., S. Hubbard, Y. Rubin, C. Murray, E. Roden, and E. Majer. 2004. Geochemical characterization using geophysical data and Markov Chain Monte Carlo methods: A case study at the South Oyster bacterial transport site in Virginia. Wat. Resour. Res. 40:W12412.
Cheng, T., M.O. Barnett, E.E. Roden, and J. Zhuang. 2004. The effects of phosphate on uranium(VI) adsorption to goethite-coated sand. Environ. Sci.Technol. 38: 3059-6065.
Jeon, B.H., S.D. Kelly, K.M. Kemner, M.O. Barnett, W.D. Burgos, B.A. Dempsey, E.E. Roden. 2004. Microbial reduction of U(VI) at the solid-water interface. Environ. Sci. Technol. 38:5649-5655.
Roden, E.E. 2004. Analysis of long-term bacterial vs. chemical Fe(III) oxide reduction kinetics. Geochim. Cosmichim. Acta. 68:3205-3216.
Roden, E.E., D. Sobolev, B. Glazer, and G.W. Luther. 2004. Potential for microscale bacterial Fe redox cycling at the aerobic-anaerobic interface. Geomicrobiol. J. 21:379-391.
Jeon, B.H., B.A. Dempsey, W.D. Burgos, R.A. Royer and E.E. Roden. 2004. Modeling the sorption kinetics of divalent metals ions to hematite. Wat. Res. 38:2499-2504.
Wildung, R.E., S.W. Li, C.J. Murray, K.M. Krupka, Y. Xie, N.J. Hess, and E.E. Roden. 2004. Technetium reduction in sediments of a shallow aquifer exhibiting dissimilatory iron reduction potential. FEMS Microb. Ecol. 49:151-162.
Roden, E.E. 2004. Analysis of FeIII oxide reactivity toward long-term bacterial vs. chemical reduction, pp. 1227-1230 In Wanty, R.B. and R.R. Seal II (Eds), Proceedings of the 11th International Symposium on Water-Rock Interaction. AA Balkema Publishers, New York.
Sobolev, D. and E.E. Roden. 2004. Characterization of a chemolithoautotrophic Fe(II)-oxidizing b-proteobacterium isolated from freshwater wetland sediments. Geomicrobiol. J. 21:1-10.
Roden, E.E. 2003. Diversion of electron flow from methanogenesis to crystalline Fe(III) oxide reduction in carbon-limited cultures of wetland sediment microorganisms. Appl. Environ. Microbiol. 59:5702-5706.
Roden, E.E. and R.G. Wetzel. 2003. Competition between Fe(III)-reducing and methanogenic bacterial for acetate in iron-rich freshwater wetland sediments. Microb. Ecol. 45:252-258.
Roden, E.E. 2003. Fe(III) oxide reactivity toward biological versus chemical reduction. Environ. Sci. Technol. 37:1319-1324.
Warner, K.A., E.E. Roden, and J.C. Bonzongo. Microbial mercury transformations in anoxic freshwater sediments under iron-reducing and other electron accepting conditions. Environ. Sci. Technol. 37:2159-2165.
Sobolev, D., and E.E. Roden. 2002. Evidence for rapid microscale bacterial redox cycling of iron in circumneutral environments. Anton. van Leeuw. 81:587-597.
Roden, E.E., M.R. Leonardo, and F.G. Ferris. 2002. Immobilization of strontium during iron biomineralization coupled to dissimilatory hydrous ferric oxide reduction. Geochim. Cosmochim. Acta. 66:2823-2839.
Roden, E.E. and M.M. Urrutia. 2002. Influence of biogenic Fe(II) on bacterial crystalline Fe(III) oxide reduction. Geomicrobiol. J. 19:209-251.
Roden, E.E. and R.G. Wetzel. 2002. Kinetics of microbial Fe(III) oxide reduction in freshwater wetland sediments. Limnol. Oceanogr. 47:198-211.
Weber, K.A., F.W. Picardal, and E.E. Roden. 2001. Microbially catalyzed nitrate-dependent oxidation of biogenic solid-phase Fe(II) compounds. Environ. Sci. Technol. 35:1644-1650.
Sobolev, D. and E.E. Roden. 2001. Suboxic deposition of ferric iron by bacteria in opposing gradients of Fe(II) and oxygen. Appl. Environ. Microbiol. 67:1328-1334.
Jackson, C.R., P.F. Churchill, and E.E. Roden. 2000. Successional changes in bacterial assemblage structure during epilithic biofilm development. Ecology. 82:555-566.
Roden, E.E., M.M. Urrutia, and C.J. Mann. 2000. Bacterial reductive dissolution of crystalline Fe(III) oxide in continuous-flow column reactors. Appl. Environ. Microbiol. 66:1062-1065.
Jackson, C.R. , E.E. Roden, and P.F. Churchill. 2000. Denaturing gradient gel electrophoresis can fail to separate 16S rDNA fragments with multiple base differences. Mol. Biol. Today. 1:15-17.
Parmar, N., L.A. Warren, E.E. Roden, and F.G. Ferris. 2000. Solid phase capture of strontium by the iron reducing bacterium Shewanella alga strain BrY. Chem. Geol. 169:281-288.
Roden, E.E. and M.M. Urrutia. 1999. Ferrous iron removal promotes microbial reduction of crystalline iron(III) oxides. Envir. Sci. Technol. 33:1847-1853.
Urrutia, M.M., E.E. Roden, and J.M. Zachara. 1999. Influence of aqueous and solid-phase Fe(II) complexants on microbial reduction of crystalline Fe(III) oxides. Environ. Sci. Technol. 33:4022-4028.
Small, T.D. , L.A. Warren, E.E. Roden, and F.G. Ferris. 1999. Sorption of strontium by bacteria, Fe(III) oxide, and bacteria-Fe(III) oxide composites. Environ. Sci. Technol. 33:4465-4470.
Jackson, C.R., E.E. Roden, and P.F. Churchill. 1998. Changes in bacterial species composition in enrichment cultures with various dilutions of inoculum as monitored by denaturing gradient gel electrophoresis. Appl. Environ. Microbiol.. 64:5046-5048.
Urrutia, M.M., E.E. Roden, J.K. Fredrickson, and J.M. Zachara. 1998. Microbial and surface chemistry controls on reduction of synthetic Fe(III) oxide minerals by the dissimilatory iron-reducing bacterium Shewanella alga. Geomicrobiol. J. 15:269-291.
Coates, J.D., D.J. Ellis, E.L. Blunt-Harris, C.V. Gaw, E.E. Roden, and D.R. Lovley. 1998. Recovery of humics-reducing bacteria from a diversity of environments. Appl. Environ. Microbiol. 64:1504-1509.
Howell, J.R., Donahoe, R.J., Roden, E.E. and Ferris, F.G. 1998. Effects of microbial iron oxide reduction on pH and alkalinity in anaerobic bicarbonate-buffered media: implications for metal mobility. Mineral. Mag. 62A (2):657-658.
Roden, E.E. and J.W. Edmonds. 1997. Phosphate mobilization in iron-rich anaerobic sediments: microbial Fe(III) oxide reduction vs. iron-sulfide formation. Arch. Hydrobiol. 139:347-378.
Jackson, C.R., J.P. Harper, D. Willoughby, E.E. Roden, and P.F. Churchill. 1997. A simple, efficient method for separation of humic substances and DNA in environmental samples. Appl. Environ. Microbiol. 63:4993-4995.
Roden, E.E. and R.G. Wetzel. 1996. Organic carbon oxidation and suppression of methane production by microbial Fe(III) oxide reduction in vegetated and unvegetated freshwater wetland sediments. Limnol. Oceanogr. 41:1733-1748.
Roden, E.E. and J.M. Zachara. 1996. Microbial reduction of crystalline Fe(III) oxides: Influence of oxide surface area and potential for cell growth. Environ. Sci. Technol. 30:1618-1628.
Roden, E.E., J.H. Tuttle, W.R. Boynton, and W.M. Kemp. 1996. Carbon cycling in mesohaline Chesapeake Bay sediments 2. Kinetics of particulate and dissolved organic carbon turnover. J. Mar. Res. 54:343-383.
Roden, E.E., J.H. Tuttle, W.R. Boynton, and W.M. Kemp. 1995. Carbon cycling in mesohaline Chesapeake Bay sediments 1. POC deposition rates and mineralization pathways. J. Mar. Res. 53:799-819.
Roden, E.E. and D.R. Lovley. 1993. Evaluation of 55Fe as a tracer of Fe(III) reduction in aquatic sediments. Geomicrobiol. J. 11:49-56.
Roden, E.E. and D.R. Lovely.1993. Dissimilatory Fe(III) reduction by the marine microorganism, Desulfuromonas acetoxidans. Appl. Environ. Microbiol. 59:734-742.
Roden, E.E. and J.H. Tuttle. 1993. Inorganic sulfur cycling in mid and lower Chesapeake Bay sediments. Mar. Ecol. Prog. Ser. 93:101-118.
Roden, E.E. and J.H. Tuttle. 1993. Inorganic sulfur turnover in oligohaline estuarine sediments. Biogeochemistry. 22:81-105.
Lovley, D.R., E.E. Roden, E.J.P. Phillips, and J.C. Woodward. 1993. Enzymatic iron and uranium reduction by sulfate-reducing bacteria. Mar. Geol. 113:41-53.
Phillips, E.J.P., D.R. Lovley, and E.E. Roden. 1993. Non-microbially reducible Fe(III) in sediments is not in mixed Fe(III)-Fe(II) oxides. Appl. Environ. Microbiol. 59:2727-2729.
Roden, E.E. and J.H. Tuttle. 1992. Sulfide release from estuarine sediments underlying anoxic bottom water. Limnol. Oceanogr. 37:725-738.
Roden, E.E. Microbiological controls on geochemical kinetics. In prep In Kinetics of Water-Rock Interactions, Brantley, S.L., J. Kubicki and A.F. White (Eds), Kluwer Academic/Plenum Publishers.
Johnson, C.M., B. Beard, E. Roden, D. Newman, K. Nealson. 2004. Isotopic constraints on biogeochemical cycling of Fe. pp. 409-427 In Johnson, C.M., B.L. Beard, and F. Albarede (Eds.) Geochemistry of non-traditional stable isotopes, Reviews in Mineralogy and Geochemistry, Vol. 55, Mineralogical Society of Americal/Geochemical Society.
Chaubey, I., K.A. Warner, G.M. Ward, and E.E. Roden. 2001. Statistical analysis of land use effect on in-stream nutrient concentrations, p. 33-38 In Proc. Mini-Symposium on Statistical Methods in Hydrology, P.K. Haan and R.D. Harmel (Eds). ASAE, St. Joseph, MI.
Reports and Other Documents
TEAPREVU: A numerical simulation model of Terminal Electron-Accepting Processes in a Representative Elementary Volume of Uranium-contaminated subsurface sediment. Prepared for U.S. DOE Natural and Accelerated Bioremediation Program. E.E. Roden, Y. Fang, T. D. Scheibe, S. C. Brooks, and W. D. Burgos (January 2005).
Numerical Model of Sediment Diagenesis and Hg Speciation. Prepared for NSF Biocomplexity in the Environmental Proposal “Biocomplexity of mercury methylation: genomic to ecosystem approaches toward a predictive model”. C. Gilmour, PI/PD; A. Heyes, R.P. Mason, M.T. Suzuki, E.E. Roden, G.R. Aiken, R.A. Bodaly, and R.C. Harris, Co-PIs (January 2003).
Reactive Transport Simulation of Microbial Redox Processes and Coupled Fe-S-As Biogeochemistry in Alluvial Aquifer Sediments. Prepared for NSF Biocomplexity in the Environmental Proposal “Environmental implications of the coupled biogeochemical cycles of iron and arsenic”, J. Saunders, PI/PD; M.K. Lee, C. Morton, M.O. Barnett, E.E. Roden, C. Zheng, Co-PIs (March 2001).
Numerical Simulation of U(VI) Reductive Immobilization in Fe(III) Oxide-Reducing Subsurface Sediments. Prepared for U.S. DOE Environmental Management Science Proposal “Reductive immobilization of U(VI) in Fe(III) oxide-reducing subsurface sediments: analysis of coupled microbial-geochemical processes in experimental reactive transport systems”, E.E. Roden, PI/PD; M.M. Urrutia, M.O. Barnett, and C.J. Lange, Co-PIs. (March 2000).
Reactive Transport Simulation of U(VI) Reductive Immobilization in Fe(III) Oxide-Reducing Subsurface Sediments. Prepared for U.S. Department of Energy, NABIR Program, Biogeochemical Dynamics Element Proposal “The Effect of Spatial Variability in the Distributions of Metal Reducing Bacteria and Sediment Properties on Immobilization of Uranium(VI) in Groundwater Plumes”, C.J. Murray, PI/PD; T. Scheibe, E.E. Roden, S. Hubbard, and P. Jaffe, Co-PIs. (February, 2000).
Jillian F. Banfield, Earth and Planetary Science, University of California, Berkeley
Mark O. Barnett, Department of Civil Engineering, Auburn University
Jean-Claude Bonzongo, Environmental Engineering Sciences, University of Florida
William D. Burgos, Civil and Environmental Engineering, Penn State University
Darryl P. Chandler, Analytical Microbiology, Pacific Northwest National Laboratory
Perry F. Churchill, Department of Biological Sciences, The University of Alabama
John D. Coates, Department of Microbiology, Southern Illinois University
Brian A. Dempsey, Civil and Environmental Engineering, Penn State University
David Emerson, American Type Culture Collection and George Mason University
Yuri A. Gorby, Environmental Microbiology, Pacific Northwest National Laboratory
F. Grant Ferris, Department of Geology, University of Toronto
James K. Fredrickson, Environmental Microbiology, Pacific Northwest National Laboratory
Derek R. Lovley, Department of Microbiology, University of Massachusetts, Amherst
George W. Luther, College of Marine Studies, University of Delaware
W. Berry Lyons, Byrd Polar Research Center, Ohio State University
Christopher J. Murray, Applied Geology and Geochemistry, Pacific Northwest National Laboratory
Flynn Picardal, School of Public and Environmental Affairs, Indiana University
Matilde M. Urrutia, Department of Biological Sciences, The University of Alabama
Robert G. Wetzel, , Department of Environmental Sciences and Engineering, University of North Carolina at Chapel Hill
Gour-Tsyh (George) Yeh, Civil and Environmental Engineering, University of Central Florida
John M. Zachara, Environmental Molecular Science Laboratory, Pacific Northwest National Laboratory
Jennifer Edmonds, M.S., May 1996. Currently Ph.D. student in Biology at Arizona State University
Colin Jackson, Ph.D., August 1999. Currently Assistant Professor of Biological Sciences, Southeastern Louisiana University
Robert Howell, M.S., May 1999. Currently Research Scientist in Environmental Geoscience, Southern Company
Dmitri Sobolev, Ph.D., December 2001. Currently postdoctoral research associate at University of Texas Marine Science Institute
Karrie Weber, Ph.D., May 2002. Currently postdoctoral research associate at Southern Illinois University
Michael R. Leonardo, July 1997-May 2000. Currently Assistant Professor of Biology, Coe College, Cedar Rapids, IO
Marcie L. Baer, November 1998-July 2000. Currently Assistant Professor of Biology, Shippensburg University, Shippensburg, PA.
Kimberly A. Warner, October 1999-August 2004. Currently Marine Pollution Scientist, Oceana, Washington, DC
Byong-Hun Jeon, June 2002-April 2004. Currently Assistant Professor of Environmental Engineering, Yonsei University, Seoul, Korea
Donald Obenhuber, August 2002-April 2003. Currently Research Scientist, NASA Jet Propulsion Lab, Pasadena, CA
Santosh Mohanty, September 2003-present
Marco Blöthe, September 2004-present
Aaron Coby, August 2005-present
Evgenya Shelobolina, August 2005-present
Applied and Environmental Microbiology
Archiv für Hydrobiologie
Environmental Science & Technology
FEMS Microbiology Ecology
Geochimica et Cosmochimica Acta
Limnology and Oceanography
Microbial Ecology (Editorial Board)
Water, Air, and Soil Pollution
Derek R. Lovley, U.S. Geological Survey, Water Resources Division; ; now at University of Massachusetts, Amherst
John M. Zachara, Environmental Molecular Sciences Laboratory, Pacific Northwest National Laboratory.