2003

In 2003, the DOE, through its Office of Biological and Environmental Research, awarded 24 research grants in the NABIR program. The awards covered scientific research in all of NABIR's scientific program elements.

Biomolecular Science and Engineering

Projects	PIs
Analysis of Shewanella oneidensis Membrane Protein Expression in Response to Electron Acceptor Availability	Carol S. Giometti Argonne National Lab csgiometti@anl.gov
Parallel Proteomic Identification of Metal Reductases and Determination of their Relative Abundance in a Series of Metal Reducing Microbes	Mary Lipton Georgia Tech. mary.lipton@pnl.gov
Comparative biochemistry and physiology of iron-respiring bacteria from acidic and neutral pH environments	Tim Magnuson Idaho State Univ. magntimo@isu.edu
Starvation promoter-driven metal and radionuclide Bioremediation in combinatorial bacteria	A.C. Matin Stanford Univ. School of Medicine A.Matin@stanford.edu
Elucidating the Molecular Basis and Regulation of Chromium(VI) Reduction by Shewanella oneidensis MR-1 and Resistance to Metal Toxicity Using Integrated Biochemical, Genomics and Proteomic Approaches	Dorothea K. Thompson Oak Ridge National Lab. thompsondk@ornl.gov

Biogeochemsitry

Projects	PIs
Novel imaging techniques, integrated with mineralogical, geochemical and microbiological characterizations to determine the biogeochemical controls on technetium mobility in FRC sediments	Jon Lloyd University of Manchester, UK
Investigation of the Transformation of Uranium under Iron-Reducing Conditions: Reduction of UVI by Biogenic FeII/FeIII Hydroxide (Green Rust)	Ed O'Loughlin Argonne National Lab oloughlin@anl.gov
Integrated investigation on the production and fate of organo-Cr(III) complexes from microbial reduction of chromate	Luying Xun Washington State Univ. xun@mail.wsu.edu
High-Resolution Mineralogical Characterization and Biogeochemical Modeling of Uranium Reduction Pathways at the NABIR Field-Research Center	Chen Zhu University of Pittsburgh czhu@pitt.edu

Biotransformation

Projects	PIs
Anaerobic U(IV) Bio-oxidation and the Resultant Remobilization of Uranium in Contaminated Sediments	John Coates Univ. of California, Berkeley jcoates@nature.berkeley.edu
Influence of Mass Transfer on Bioavailability and Kinetic Rate of Uranium(VI) Biotransformation	Chongxuan Liu Pacific Northwest Nat'l. Lab. Chongxuan.Liu@pnl.gov
Towards a More Complete Picture: Dissimilatory Metal Reduction by Anaeromyxobacter Species	Frank E. Loeffler Georgia Institute of Technology frank.loeffler@ce.gatech.edu
Biotransformations Involved in Sustained Reductive Removal of Uranium in Contaminated Aquifers	Derek Lovley Univ. of Mass. dlovley@microbio.umass.edu

Community Dynamics and Microbial Ecology

Projects	PIs
Ecological interactions between metals and microbes that impact bioremediation	Allan Konopka Purdue Univ. akonopka@purdue.edu
Subsurface Bacterial Community Dynamics in the Presence of Plutonium and Uranium	Cheryl R. Kuske Los Alamos Nat'l. Lab. kuske@lanl.gov
Molecular Analysis of Rates of Metal Reduction and Metabolic State of Geobacter Species During In Situ Uranium Bioremediation	Derek Lovley Univ. of Mass. dlovley@microbio.umass.edu
Importance of mobile genetic elements and conjugal gene transfer for subsurface microbial community adaptation to biotransformation of metals	Soren Sorensen University of Copenhagen sjs@mermaid.molbio.ku.dk
Towards Understanding Population Dynamics of Metal and Radionuclide Reducers at Field Remediation Sites	Jim Tiedje Mich. State Univ. tiedjej@msu.edu
Development and Use of Integrated Microarray-based Genomic Technologies for Assessing Microbial Community Composition and Dynamics	Jizhong Zhou Oak Ridge Nat'l Lab. zhouj@ornl.gov

Integrative Studies (These Interdisciplinary projects integrate research from more than one NABIR element)

Projects	PIs
Elucidating Bioreductive Transformations within Physically Complex Media: Impact on the Fate and Transport of Uranium and Chromium	Scott Fendorf Stanford University fendorf@stanford.edu
Biostimulation of Iron Reduction and Uranium Immobilization: Microbial and Mineralogical Controls	Joel Kostka Florida State University jkostka@ocean.fsu.edu
Biogeochemical Coupling of Fe and Tc Speciation in Subsurface Sediments: Implications to Long-Term Tc Immobilization	John Zachara Pacific Northwest Nat'l. Lab. jm_zachara@pnl.gov