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Fundamental and Computational Sciences Directorate

Staff information


Andrew Plymale

Pacific Northwest National Laboratory
PO Box 999
MSIN: J4-18
Richland, WA 99352

Research Interests

  • Geomicrobiology
  • Microbial ecology
  • Radiochemistry
  • Biogeochemistry
  • Soil Science

Education and Credentials

  • B.S. Agronomy, The Ohio State University, 1985
  • M.S. Technical Communication, Rennselaer Polytechnic Institute, 1991

PNNL Publications


  • Lee JH, JK Fredrickson, AE Plymale, A Dohnalkova, CT Resch, JP McKinley, and L Shi. 2015. "An autotrophic H2-oxidizing, nitrate-respiring, Tc(VII)-reducing A cidovorax sp. isolated from a subsurface oxic-anoxic transition zone." Environmental Microbiology Reports 7(3):395-403.  doi:10.1111/1758-2229.12263
  • Liu Y, C Liu, RK Kukkadapu, JP McKinley, JM Zachara, AE Plymale, MD Miller, T Varga, and CT Resch. 2015. "99Tc(VII) Retardation, Reduction, and Redox Rate Scaling in Naturally Reduced Sediments." Environmental Science & Technology 49(22):13403-13412.  doi:10.1021/acs.est.5b03273
  • Rodionova IA, X Li, AE Plymale, K Motamedchaboki, A Konopka, MF Romine, JK Fredrickson, A Osterman, and DA Rodionov. 2015. "Genomic distribution of B-vitamin auxotrophy and uptake transporters in environmental bacteria from the Chloroflexi phylum." Environmental Microbiology Reports 7(2):204-210.  doi:10.1111/1758-2229.12227


  • Lee JH, JM Zachara, JK Fredrickson, SM Heald, JP McKinley, AE Plymale, CT Resch, and DA Moore. 2014. "Fe(II)- and Sulfide-Facilitated Reduction of 99Tc(VII)O4- in Microbially Reduced Hyporheic Zone Sediments." Geochimica et Cosmochimica Acta 136:247-264.  doi:10.1016/j.gca.2013.08.017
  • Wilkins MJ, DW Hoyt, MJ Marshall, PA Alderson, AE Plymale, LM Markillie, AE Tucker, ED Walter, BE Linggi, A Dohnalkova, and RC Taylor. 2014. "CO2 exposure at pressure impacts metabolism and stress responses in the model sulfate-reducing bacterium Desulfovibrio vulgaris strain Hildenborough." Frontiers in Microbiology 5:Article No. 507.  doi:10.3389/fmicb.2014.00507


  • Konopka A, AE Plymale, DA Carvajal, X Lin, and JP McKinley. 2013. "Environmental Controls on the Activity of Aquifer Microbial Communities in the 300 Area of the Hanford Site." Microbial Ecology 66(4):889-896.  doi:10.1007/s00248-013-0283-3


  • Plymale AE, VL Bailey, JK Fredrickson, SM Heald, EC Buck, L Shi, Z Wang, CT Resch, DA Moore, and H Bolton, Jr. 2012. "Biotic and Abiotic Reduction and Solubilization of Pu(IV)O2·xH2O(am) as Affected by Anthraquinone-2,6-disulfonate (AQDS) and Ethylenediaminetetraacetate (EDTA)." Environmental Science & Technology 46(4):21322140.  doi:10.1021/es2030752


  • Plymale AE, JK Fredrickson, JM Zachara, A Dohnalkova, SM Heald, DA Moore, DW Kennedy, MJ Marshall, CM Wang, CT Resch, and P Nachimuthu. 2011. "Competitive Reduction of Pertechnetate (99TcO4-) by Dissimilatory Metal Reducing Bacteria and Biogenic Fe(II) ." Environmental Science & Technology 45(3):951-957. 
  • Shi L, SM Belchik, AE Plymale, SM Heald, A Dohnalkova, K Sybirna, H Bottin, TC Squier, JM Zachara, and JK Fredrickson. 2011. "Purification and Characterization of [NiFe]-Hydrogenase of Shewanella oneidensis MR-1." Applied and Environmental Microbiology 77(16):5584-5590. 


  • Marshall MJ, A Dohnalkova, DW Kennedy, AE Plymale, SH Thomas, FE Loffler, R Sanford, JM Zachara, JK Fredrickson, and AS Beliaev. 2009. "Electron donor-dependent radionuclide reduction and nanoparticle formation by Anaeromyxobacter dehalogenans strain 2CP-C." Environmental Microbiology 11(2):534-543. 
  • Fredrickson JK, JM Zachara, AE Plymale, SM Heald, JP McKinley, DW Kennedy, C Liu, and P Nachimuthu. 2009. "Oxidative Dissolution Potential of Biogenic and Abiogenic TcO2 in Subsurface Sediments." Geochimica et Cosmochimica Acta 73(8):962-976.  doi:10.1016/j.gca.2009.01.027
  • Jaisi DP, H Dong, AE Plymale, JK Fredrickson, JM Zachara, S Heald, and C Liu. 2009. "Reduction and long-term immobilization of technetium by Fe(II) associated with clay mineral nontronite ." Chemical Geology 264(1-4):127-138.  doi:10.1016/j.chemgeo.2009.02.018


  • Marshall MJ, AE Plymale, DW Kennedy, L Shi, Z Wang, SB Reed, A Dohnalkova, CJ Simonson, C Liu, D Saffarini, MF Romine, JM Zachara, AS Beliaev, and JK Fredrickson. 2008. "Hydrogenase- and Outer Membrane c-Type Cytochrome-Facilitated Reduction of Technetium(VII) by Shewanella oneidensis MR-1." Environmental Microbiology 10(1):125-136.  doi:10.1111/j.1462-2920.2007.01438.x
  • Peretyazhko T, JM Zachara, SM Heald, RK Kukkadapu, C Liu, AE Plymale, and CT Resch. 2008. "Reduction of Tc(VII) by Fe(II) Sorbed on Al (hydr)oxides." Environmental Science & Technology 42(15):5499-5506.  doi:10.1021/es8003156


  • Kelly SD, KM Kemner, SC Brooks, JK Fredrickson, SL Carroll, DW Kennedy, JM Zachara, AE Plymale, and S Fendorf. 2005. "Ca-UO2-CO3 Complexation Implications for Bioremediation of U(VI)." Physica Scripta T115:915-917.  doi:10.1238/Physica.Topical.115a00915


  • Fredrickson JK, JM Zachara, DW Kennedy, RK Kukkadapu, JP McKinley, SM Heald, C Liu, and AE Plymale. 2004. "Reduction of TcO4- by sediment-associated biogenic Fe(II)." Geochimica et Cosmochimica Acta 68(15):3171-3187. 


  • Brooks SC, JK Fredrickson, SL Carroll, DW Kennedy, JM Zachara, AE Plymale, SD Kelly, KM Kemner, and S Fendorf. 2003. "Inhibition of bacterial U(VI) reduction by calcium." Environmental Science and Technology 37(9):1850-1858. 


  • Wildung RE, YA Gorby, KM Krupka, NJ Hess, SMW Li, AE Plymale, JP McKinley, and JK Fredrickson. 2000. "Effect of Electron Donor and Solution Chemistry on the Products of Dissimilatory Reduction of Technetium by Shewanella putrefaciens." Applied and Environmental Microbiology 66(6):2451-2460. 
  • Fredrickson JK, HM Kostandarithes, SMW Li, AE Plymale, and MJ Daly. 2000. "Reduction of Fe(III) Cr(VI), and Te(VII) by Deinococcus Radiodurans R1." Applied and Environmental Microbiology 66(5):2006-2011. 

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