Publications

Peer-Reviewed Papers


2013

Keiner, R., A. Rusznyak, D. M. Akob, S. Hanf, K. Küsel, J. Popp, and T. Frosch. 2013. Raman spectroscopy – an innovative and versatile tool to follow the respirational activity and carbonate biomineralization of important cave bacteria. Analytical Chemistry, accepted 8/12/2013 (ac-2013-01699d.R1).

Risse-Buhl, U., M. Herrmann, D. M. Akob, P. Geesink, N. Pizani, W. Schönborn, K.-U. Totsche and K. Küsel. 2012 Phagotrophic protist diversity in the groundwater of a karstic aquifer - morphological and molecular analysis. Journal of Eukaryotic Microbiology, published online ahead of print June 27, 2013, doi: 10.1111/jeu.12054.


2012

Gray, S. M., D. M. Akob, S. J. Green, and J. E. Kostka. 2012. The predictability of bacterial composition within the Sarracenia purpurea model system: local scale differences and relationships with the other members of the food web. PLoS One 7(12): e50969.

Akob, D. M.*, S. H. Lee*, M. Sheth, K. Küsel, D. B. Watson, A.V. Palumbo, J.E. Kostka, and K.-J. Chin. 2012. Gene expression correlates with process rates quantified for sulfate- and Fe(III)-reducing bacteria in U(VI)-contaminated sediments. Frontiers in Terrestrial Microbiology, 3:280. *Equal contribution.

Rusznyák, A., D. M. Akob, S. Nietzsche, K. Eusterhues, K. U. Totsche, T. R. Neu, T. Frosch, J. Popp, R. Keiner, J. Geletneky, L. Katzschmann, E.-D. Schulze, and K. Küsel. 2012. Calcite biomineralization by bacterial isolates from the recently discovered pristine karstic Herrenberg Cave. Applied and Environmental Microbiology 78(4): 1157–1167.


2011

Akob, D. M. and K. Küsel. 2011. Where microorganisms meet rocks in the Earth's Critical Zone. Biogeosciences 8, 3531-3543.

Akob, D. M., L. Kerkhof, K. Küsel, D. B. Watson, A. V. Palumbo, and J. E. Kostka. 2011. Linking specific heterotrophic bacterial populations to bioreduction of uranium and nitrate using stable isotope probing in contaminated subsurface sediments. Applied and Environmental Microbiology. 77(22):8197-8200


Burkhardt, E.-M., S. Bischoff, D. M. Akob, G. Büchel, and K. Küsel. 2011. Heavy metal tolerance of Fe(III)-reducing microbial communities in a contaminated creek bank soil. Applied and Environmental Microbiology 77(9): 3132-3136.

2010


Lu, S., S. Gischkat, M. Reiche, D. M. Akob, K. B. Hallberg, and K. Küsel. 2010. Ecophysiology of Fe-cycling Bacteria in Acidic Sediments. Applied and Environmental Microbiology 76 (24): 8174-8183.



Vishnivetskaya, T. A., C. C. Brandt, A. S. Madden, M. S. Drake, J. E. Kostka, D. M. Akob, K. Küsel, and A. V. Palumbo. 2010. Microbial Community Changes in Response to Ethanol or Methanol Amendments for U(VI) Reduction. Applied and Environmental Microbiology 76(17): 5728-5735.



Sitte, J., D. M. Akob, C. Kaufmann, K. Finster, D. Banerjee, E.-M. Burkhardt, J. E. Kostka, A. Scheinost, Georg Büchel and K. Küsel. 2010. Microbial Links between Sulfate Reduction and Metal Retention in Uranium and Heavy Metal-contaminated Soil. Applied and Environmental Microbiology 76(10): 3143–3152.



Green, S. J., O. Prakash, T. M. Gihring, D. M. Akob, P. Jasrotia, P. M. Jardine, D. B. Watson, S. D. Brown, A. V. Palumbo and J. E. Kostka. 2010. Denitrifying bacteria from the terrestrial subsurface exposed to mixed waste contamination. Applied and Environmental Microbiology 76(10): 3244–3254.


Burkhardt, E.-M., D. M. Akob, S. Bischoff, J. Sitte, J. E. Kostka, D. Banerjee, A. C. Scheinost, K. Küsel. 2010. Impact of Biostimulated Redox Processes on Metal Dynamics in an Iron-rich Creek Soil of a former Uranium Mining Area. Environmental Science & Technology 44(1): 177-183.

O. Prakash, T.M. Gihring, D.D. Dalton, K.-J. Chin, S.J. Green, D.M. Akob, G. Wanger, J.E. Kostka. 2010. Geobacter daltonii sp. nov., an iron(III)- and uranium(VI)-reducing bacterium isolated from the shallow subsurface exposed to mixed heavy metal and hydrocarbon contamination. International Journal of Systematic and Evolutionary Microbiology 60: 546-553.

2008

D. M. Akob, H. J. Mills, T. M. Gihring, L. Kerkhof, J. W. Stucki, Kuk-Jeong Chin, Kirsten Kuesel, Anthony V. Palumbo, David B. Watson, and Joel E. Kostka. 2008. Functional diversity and electron donor dependence of microbial populations capable of U(VI) reduction in radionuclide contaminated subsurface sediments. Applied and Environmental Microbiology 74: 3159-3170.

Blöthe, M., D.M. Akob, K. Walter, J.E. Kostka, H.L. Drake, and K. Küsel. 2008. Heterogeneity of Fe(III)-reducing microorganisms in coal-mining lake sediments caused by a pH gradient. Applied and Environmental Microbiology 74(4): 1019–102.

Before 2008

D. M. Akob, H. J. Mills, D. L. Swofford, J. E. Kostka. 2007. Metabolically-Active Microbial Communities in Uranium-Contaminated Subsurface Sediments. FEMS Microbiology Ecology 59: 95-107.

Diaz, M. C., D. Akob, & C. S. Cary. 2004. Denaturing gradient gel electrophoresis of nitrifying microbes associated with tropical sponges. Proceedings of the 6th International Sponge Conference, Rapallo, Italy, 2002. Bollettino dei Musei e degli Istituti biologici dell'Università di Genova 68: 279–289.

Recent Presentations (Oral/Poster)

Schulze, I., A. Rusznyak, S. Opitz, M. Herrmann, D. M. Akob, K. U. Totsche, K. Küsel. 2011. AquaDiv@Jena: Diversity of autotrophic groundwater bacteria present in shallow aquifers in the Hainich (Thuringia, Germany). 8th International Symposium of Subsurface Microbiology, Garmisch-Partenkirchen, Germany.

Rusznyak, A., D. M. Akob, S. Nietzche, T. Neu, K. Eusterhues, K.-U. Totsche, T. Frosch, R. Keiner, and Küsel, K. 2011. Carbonate biomineralization - role of bacteria in the Herrenberg karstic Cave. 8th International Symposium of Subsurface Microbiology, Garmisch-Partenkirchen, Germany.

Akob, D. M., A. Beyer, F. Schäffner, M. Händel, D. Merten, G. Büchel, K. U. Totsche, and K. Küsel. 2011. Biogenic Mn oxide formation at pH 5.5 and 7 by new Mn-oxidizing bacteria from a former U mining site. Goldschmidt 2011 Conference, Prague, CZ.

Fabisch, M., F. Beulig, D. M. Akob, and K. Küsel. 2011. New Thiomonas and Bordetella Strains Involved in Iron Oxidation at a Slightly Acidic, Heavy Metal Contaminated Creek. Goldschmidt 2011 Conference, Prague, Czech Republic.

Risse-Buhl, U., D. M. Akob, M. Herrmann, P. Geesink, N. Pizani, W. Schönborn, and K. Küsel. 2011. Polyphasic characterization of protist diversity in the subsurface of a Thuringian aquifer. European Congress of Protistology, July 25-29, 2011. Berlin, Germany.

Rusznyak, A., D. M. Akob, S. Nietzche, T. Neu, K. Eusterhues, K.-U. Totsche, T. Frosch, R. Keiner, and Küsel, K. 2011. Carbonate biomineralization - role of bacteria in the Herrenberg karstic Cave. Annual Conference of the Association for General and Applied Microbiology (VAAM), Karlsruhe, Germany.

Beulig, F., D. Akob, M. Fabisch, and K. Küsel. 2010. Microbial Communities Involved in Iron Oxidation at a Heavy Metal Contaminated Creek. Abstracts Remediation Symposium, October 4-5, 2010, Jena, Germany.

Beyer, A., F. Schäffner, M. Händel, D. Merten, D. Akob, and K. Küsel. 2010. Formation of Mn-oxides by new Mn(II)-oxidizing bacterial isolates. Abstracts Remediation Symposium, October 4-5, 2010, Jena, Germany.

Schäffner, F., M. Händel, A. Beyer, D. Merten, K. Pollok, D. Akob, F. Langenhorst, K. Küsel, and G. Büchel. 2010. Characterization of secondary mineral encrustations in a former uranium mining district using mineralogical and biogeochemical methods. Abstracts Remediation Symposium, October 4-5, 2010, Jena, Germany.

Green, S. J., P. Jasrotia, D. Hubbard, O. Prakash, T. M. Gihring, D. M. Akob, P. M. Jardine, D. B. Watson, S. D. Brown, A. V. Palumbo, and W. J. Sul, J. Tiedje, and J. E. Kostka. 2010. Current Molecular Methods that Target Denitrification Genes Do Not Detect Key Denitrifying Taxa. International Society for Microbial Ecology Symposium, Seattle, WA USA.

Akob, D. M., M. Fabisch, E.-M. Burkhardt, J. Sitte, S. Bischoff, and K. Küsel. 2010 Natural attenuation of heavy metals in groundwater by iron-cycling bacteria at a mining-impacted site. Goldschmidt 2010 Conference, Knoxville, TN USA.

Küsel, K., A. Rusznyak, D. M. Akob, S. Nietzche, T. Neu, and K. Eusterhues. 2010. Diversity hidden in the dark – microbial communities involved in carbonate mineralization in the Blessberg Cave, Germany. Goldschmidt 2010 Conference, Knoxville, TN USA.

Overholt, W. A., S. J. Green, O. Prakash, T. M. Gihring, D. M. Akob, P. Jasrotia, P. M. Jardine, D. B. Watson, S. D. Brown, A. V. Palumbo, W. J. Sul, J. Tiedje, S. Brooks, J. E. Kostka. 2010. Denitrifying bacteria from the Genus Rhodanobacter are key members of microbial communities in the acidic, uranium-contaminated subsurface at Oak Ridge, TN. 110th General Meeting Abstracts American Society for Microbiology, San Diego, CA.

Küsel, K., D. M. Akob, E.-M. Burkhardt, M. Fabisch, and S. Bischoff. 2009. Identification of the Active Iron Cycling Bacteria controlling the Dynamics of Heavy Metals and Radionuclides. Gordon Research Conference: Applied & Environmental Microbiology, July 12-17, 2009, South Hadley, MA.

Akob, D. M., E.-M. Burkhardt, J. Sitte, L. Kerkhof, K. Küsel, D. B. Watson, A. V. Palumbo, and J. E. Kostka. 2009. Identification of active microbial communities linked to bioremediation and natural attenuation of radionuclides and heavy metals in contaminated aquifers. Goldschmidt 2009 Conference, Davos, Switzerland.

Burkhardt, E.-M., S. Bischoff, D. M. Akob, J. E. Kostka, and K. Küsel. 2009, Mobilization of toxic metals linked to microbial Fe(III)-reduction in contaminated creek soils. Goldschmidt 2009 Conference, Davos, Switzerland.

Akob, D. M., S. Bischoff, S. Rothhardt, E.-M. Burkhardt, J. Sitte, and K. Küsel. 2009. Characterization of Iron Cycling Bacteria Controlling the Mobility of Heavy Metals in Contaminated Creek Soil. 109th General Meeting Abstracts American Society for Microbiology, Philadelphia, PA.

Lee, S. H., D. M. Akob, J. E. Kostka, K-J. Chin. 2009. Metabolically Active Prokaryotes in Uranium(VI)-Contaminated in situ Subsurface Sediments. 109th General Meeting Abstracts American Society for Microbiology, Philadelphia, PA.

Green, S. J., D. M. Akob, W. Jun Sul, J. Tiedje, and J. E. Kostka. 2009. Combined Geochemical and Pyrosequencing Community Analysis of a Uranium-contaminated Subsurface Sediment Profile. 109th General Meeting Abstracts American Society for Microbiology, Philadelphia, PA.