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X-ray fluorescence mapping of mercury on suspended mineral particles and diatoms in a contaminated freshwater system. Gu, B., B. Mishra, C. Miller, W. Wang, B. Lai, S.C. Brooks, K.M. Kemner, and L. Liang. 2014. Biogeosciences 11:7521-7540.

Unexpected effects of gene deletion on mercury interactions with the methylation-deficient mutant ΔhgcAB. Lin, H., R.A. Hurt Jr, A. Johs, J.M. Parks, J.L. Morrell-Falvey, L. Liang, D.A. Elias, and B. Gu. 2014. Environmental Science & Technology Letters 5:271-276.

Identification of multiple mercury sources to stream sediments near Oak Ridge, TN, USA. Donovan, P.M., J.D. Blum, J.D. Demers, B. Gu, S.C. Brooks, and J. Peryam. 2014. Environmental Science & Technology 48:3666-3674.

Mercury methylation by HgcA: Theory supports carbanion transfer to Hg(II). Zhou, J., D. Riccardi, A. Beste, J.C. Smith, and J.M. Parks. 2014. Inorganic Chemistry 53:772-777.

Determination of thiol functional groups on bacteria and natural organic matter in environmental systems. Rao, B., C. Simpson, H. Lin, L. Liang, and B. Gu. 2014. Talanta 119:240-247.

Oxidation of dissolved elemental mercury by thiol compounds under anoxic conditions. Zheng, W., H. Lin, B.F. Mann, L. Liang, and B. Gu. 2013. Environmental Science & Technology 47:12827-12834.

Mercury methylation by novel microorganisms from new environments. Gilmour, C.C., M. Podar , A.L. Bullock , A.M. Graham , S.D. Brown , A.C. Somenahally , A. Johs , R.A. Hurt , K.L. Bailey, and D.A. Elias. 2013. Environmental Science & Technology 47:11810-11820.

Draft genome sequences for three mecury-methylating, sulfate-reducing bacteria. Brown, S.D., R.A. Hurt, C.C. Gilmour, and D.A. Elias. 2013. Genome Announcements 1:e00618-13.

Oxidation and methylation of dissolved elemental mercury by anaerobic bacteria. Hu, H., H. Lin, W. Zheng, S.J. Tomanicek, A. Johs, X. Feng, D.A. Elias, L. Liang, and B. Gu. 2013. Nature Geoscience 6:751-754.

Evaluation of centrifugal ultrafilters for size fractionation of total mercury and methylmercury in freshwaters. Kocman, D., S.C. Brooks, C.L. Miller, and X.L. Yin. 2013. Environmental Chemistry 10:323-332.

Why mercury prefers soft ligands. Riccardi, D., H-B. Guo, J.M. Parks, B. Gu, A.O. Summers, S.M. Miller, L. Liang, and J.C. Smith. 2013. The Journal of Physical Chemistry Letters 4:2317-2322.

The genetic basis for bacterial mercury methylation. Parks, J.M., A. Johs, M. Podar, R. Bridou, R.A. Hurt, S.D. Smith, S.J. Tomanicek, Y. Qian, S.D. Brown, C.C. Brandt, A.V. Palumbo, J.C. Smith, J.D. Wall, D.A. Elias, and L. Liang. 2013. Science 339:1332-1335.

Cluster-continuum calculations of hydration free energies of anions of group 12 divalent cations. Riccardi, D., H.-B. Guo, J.M. Parks, B. Gu, L. Liang, and J.C. Smith. 2013. Journal of Chemical Theory and Computation 9:555-569.

Competitive ligand exchange reveals time dependant changes in the reactivity of Hg-dissolved organic matter complexes. Miller, C.L, L. Liang, and B. Gu. 2012. Environmental Chemistry 9:495-501.

Time-dependent density functional theory assessment of UV absorption of benzoic acid derivatives. Guo, H.-B., F. He, B. Gu, L. Liang, and J.C Smith. 2012. The Journal of Physical Chemistry A 116:11870-11879.

Sequencing intractable DNA to close microbial genomes. Hurt, R.A., S.D. Brown, M. Podar, A.V. Palumbo, and D.A. Elias. 2012. PLoS ONE 7:e41295.

Characterization of the Deltaproteobacteria in contaminated and uncontaminated stream sediments and identification of potential mercury methylators. Mosher J.J., T.A. Vishnivetskaya, D.A. Elias, M. Podar, S.C. Brooks, S.D. Brown, C.C. Brandt, and A.V. Palumbo. 2012. Aquatic Microbial Ecology 66:271-282.

Role of morphological growth state and gene expression in Desulfovibrio africanus strain Walvis Bay mercury methylation. Moberly, J.G., C.L. Miller, S.D. Brown, A. Biswas, C.C. Brandt, A.V. Palumbo, and D.A. Elias. 2012. Environmental Science & Technology 46:4926-4932.

Benchmark interaction energies for biologically relevant noncovalendt complexes containing divalent sulfur. Mintz, B.J. and J.M. Parks. 2012. The Journal of Physical Chemistry 116:1086-1092.

Mercury photolytic transformation affected by low-molecular-weight natural organics in water. He, F., W. Zheng, L. Liang, and B Gu. 2012. Science of the Total Environment 416:429-435.

Mercury reduction and oxidation by reduced natural organic matter in anoxic environments. Zheng, W., L. Liang, and B Gu. 2012. Environmental Science & Technology 46:292-299.

Crystallization and preliminary X-ray crystallographic studies of the outer membrane cytochrome OmcA from Shewanella oneidensis MR-1. Tomanicek, S.J., A. Johs, M.S. Sawhney, L. Shi, and L. Liang. 2012. Acta Crystallographica Section F: Structural Biology and Crystallization Communications F68:53-55.

Structural characterization of intramolecular Hg+2 transfer between flexibly linked domains of mercuric ion reductase. Johs, A., I.M. Harwood, J.M. Parks, R.E. Nauss, J.C. Smith, L. Liang, and S.M. Miller. 2011. Journal of Molecular Biology 413:639-656.

Bacterial growth phase influences methylmercury production by sulfate-reducing bacterium Desulfovibrio desulfuricans ND132. Biswas, A., S.C. Brooks, C.L. Miller, J.J. Mosher, X.L. Yin, and M.M. Drake. 2011. Science of the Total Environment 409:3943-3948.

Genome sequence of the mercury-methylating and pleomorphic Desulfovibrio africanus strain Walvis Bay. Brown, S.D., J.D. Wall, A.M. Kucken, C.C. Gilmour, M. Podar, C.C. Brandt, H. Teshima, J.C. Detter, C.S. Han, M.L. Land, S. Lucas, J. Han, L. Pennacchio, M. Nolan, S. Pitluck, T. Woyke, L. Goodwin, A.V. Palumbo, and D.A. Elias. 2011. Journal of Bacteriology 193:4037-4038.

Sulfate-reducing bacterium Desulfovibrio desulfuricans ND132 as a model for understanding bacterial mercury methylation. Gilmour, C.C., D.A. Elias, A.M. Kucken, S.D. Brown, A.V. Palumbo, C.W. Schadt, and J.D. Wall. 2011. Applied and Environmental Microbiology 77:3938-3951.

Active transport, substrate specificity, and methylation of Hg(II) in anaerobic bacteria. Schaefer, J.K., S.S. Rocks, W. Zheng, L. Liang, B. Gu, and F.M.M. Morel. 2011. Proceedings of the National Academy of Sciences of the United States of America 108:8714-8719.

Binding constants of mercury and dissolved organic matter determined by a modified ion exchange technique. Dong, W., Y. Bian, L. Liang, and B. Gu. 2011. Environmental Science & Technology 45:3576-3583.

Genome sequence of the mercury-methylating strain Desulfovibrio desulfuricans ND132. Brown, S.D., C.C. Gilmour, A.M. Kucken, J.D. Wall, D.A. Elias, C.C. Brandt, M. Podar, O. Chertkov, B. Held, D.C. Bruce, J.C. Detter, R. Tapia, C.S. Han, L.A. Goodwin, J.-F. Cheng, S. Pitluck, T. Woyke, N. Mikhailova, N.N. Ivanova, J. Han, S. Lucas, A.L. Lapidus, M.L. Land, L.J. Hauser, and A.V. Palumbo. 2011. Journal of Bacteriology 193:2078-2079.

Mercury reduction and complexation by natural organic matter in anoxic environments. Gu, B., Y. Bian, C.L. Miller, W. Dong, X. Jiang, and L. Liang. 2011. Proceedings of the National Academy of Sciences of the United States of America 108:1479-1483.

Effect of carboxylic and thiol ligands (oxalate, cysteine) on the kinetics of desorption of Hg(II) from kaolinite. Senevirathna, W.U., H. Zhang, and B. Gu. 2011. Water, Air, & Soil Pollution 215:573-584.

History of mercury use and environmental contamination at the Oak Ridge Y-12 Plant. Brooks, S.C. and G.R. Southworth. 2011. Environmental Pollution 159:219-228.

Mercury and other heavy metals influence bacterial community structure in contaminated Tennessee streams. Vishnivetskaya, T.A., J.J. Mosher, A.V. Palumbo, M. Podar, S.D. Brown, S.C. Brooks, B. Gu, G.R. Southworth, M.M. Drake, C.C. Brandt, and D.A. Elias. 2011. Applied and Environmental Microbiology 77:302-311.

Understanding Enzyme Catalysis Using Computer Simulation. Parks, J.M., P. Imhof, and J.C. Smith. 2010. Encyclopedia of Catalysis, 2nd ed. John Wiley & Sons, Inc.

Characterization of Archaeal community in contaminated and uncontaminated surface stream sediments. Porat, I., T.A. Vishnivetskaya, J.J. Mosher, C.C. Brandt, Z.K. Yang, S.C. Brooks, L. Liang, M.M. Drake, M. Podar, S.D. Brown, and A.V. Palumbo. 2010. Microbial Ecology 60:784-795.

Characterization of the decaheme c-type cytochrome OmcA in solution and on hematite surfaces by small angle x-ray scattering and neutron reflectometry. Johs, A., L. Shi, T. Droubay, J.F. Ankner, and L. Liang. 2010. Biophysical Journal 98:3035-3043.

Structure and conformational dynamics of the metalloregulator MerR upon binding of Hg(II). Guo, H.-B., A. Johs, J.M. Parks, L. Olliff, S.M. Miller, A.O. Summers, L. Liang, and J.C. Smith. 2010. Journal of Molecular Biology 398:555-568.

Roles of dissolved organic matter in the speciation of mercury and methylmercury in a contaminated ecosystem in Oak Ridge, Tennessee. Dong, W., L. Liang, S. Brooks, G. Southworth, and B. Gu. 2010. Environmental Chemistry 7:94-102.

Kinetic controls on the complexation between mercury and dissolved organic matter in a contaminated environment. Miller, C.L., G. Southworth, S.C. Brooks, L. Liang, and B. Gu. 2009. Environmental Science & Technology 43:8548-8553.

Mechanism of Hg-C protonolysis in the organomercurial lyase MerB. Parks, J.M., H. Guo, C. Momany, L. Liang, S.M. Miller, A.O. Summers, and J.C. Smith. 2009. Journal of the American Chemical Society 131:13278-13285.

Conference Presentations


Society of Environmental Toxicology and Chemistry North American 34th Annual Meeting
November 17-21, 2013, Nashville, TN

11th International Conference on Mercury as a Global Pollutant
July 28-August 2, 2013, Edinburgh, Scotland

DOE Terrestrial Ecosystem Science/Subsurface Biogeochemical Research (TES/SBR) Joint Investigators Meeting
May 14-15, 2013, Potomac, MD

American Chemical Society Spring 2013 National Meeting & Exposition
April 7-11, 2013, New Orleans, LA


Geological Society of America Annual Meeting
November 4-7, 2012, Charlotte, NC

9th International Symposium on Persistent Toxic Substances
October 23-27, 2012, Miami, FL

American Chemical Society Fall 2012 National Meeting & Exposition
August 19-23, 2012, Philadelphia, PA

American Crystallographic Association Annual Meeting
July 28-August, 1, 2012, Boston, MA

2012 Goldschmidt Conference
June 24-29, 2012, Montreal, Canada

From Computational Biophysics to Systems Biology 2012
June 3-5, 2012, Knoxville, TN

DOE Subsurface Biogeochemical Research (SBR) 7th Annual Principal Investigators Meeting
April 30-May 2, 2012, Washington, DC

American Chemical Society Spring 2012 National Meeting & Exposition
March 25-29, 2012, San Diego, CA

Biophysical Society 56th Annual Meeting
February 25-29, 2012, San Diego, CA


American Geophysical Union Fall Meeting
December 5-9, 2011, San Francisco, CA

10th International Conference on Mercury as a Global Pollutant
July 24-29, 2011, Halifax, Nova Scotia

5th European Conference on Neutron Scattering
July 17-22, 2011, Prague, Czeck Republic

American Society for Microbiology 111th General Meeting
May 21-24, 2011, New Orleans, LA

DOE Subsurface Biogeochemical Research (SBR) Principal Investigator Meeting
April 26-28, 2011, Washington, DC

Biophysical Society 55th Annual Meeting
March 5-9, 2011, Baltimore, MD


American Geophysical Union Fall Meeting
December 13-17, 2010, San Francisco, CA

2010 Goldschmidt Conference
June 13-18, 2010, Knoxville, TN

American Society for Microbiology 110th General Meeting
May 23-27, 2010, San Diego, CA

DOE Subsurface Biogeochemical Research (SBR) Contractor-Grantee Workshop
March 29-31, 2010, Washington, DC


American Chemical Society Fall 2009 National Meeting & Exposition
August 12-20, 2009, Washington, DC

9th International Conference on Mercury as a Global Pollutant
June 7-12, 2009, Guiyang, China

American Society for Microbiology 109th General Meeting
May 17-21, 2009, Philidelphia. PA

International Conference on Neutron Scattering
May 3-7, 2009, Knoxville, TN

DOE Environmental Remediation Sciences Program 4th Annual PI Meeting
April 20-23, 2009, Lansdowne, VA

American Society of Limnology and Oceanography Aquatic Sciences Meeting
January 25-30, 2009, Nice, France


American Geophysical Union Fall Meeting
December 15-19, 2008, San Francisco, CA

American Crystallographic Association Annual Meeting
May 31-June 5, 2008, Knoxville, TN

DOE Environmental Remediation Sciences Program 3rd Annual PI Meeting
April 7-9, 2008, Lansdowne, VA