Onstott, T.C., T.J. Phelps, F.S. Colwell, D. Ringelberg, D.C. White, D.R. Boone, J.P. McKinley, et al. 1998. “Observations Pertaining to the Origin and Ecology of Microorganisms Recovered from the Deep Subsurface of Taylorsville Basin, Virginia”. Geomicrobiology Journal 15: 353-85. doi:10.1080/01490459809378088.

Tseng, H.-Y., M. Person, and T.C. Onstott. 1998. “Hydrogeologic Constraint on the Origin of Deep Subsurface Microorganisms Within a Triassic Basin”. Water Resources Research 34: 937-48. doi:10.1029/98WR00311.

Tseng, H.-Y., and T.C. Onstott. 1997. “A Tectogenetic Origin for the Deep Subsurface Microorganisms of Taylorsville Basin: Thermal and Fluid Flow Model Constraints”. FEMS Microbiology Reviews 20: 391-97. doi:10.1016/S0168-6445(97)00021-1.

Colwell, F.S., T.C. Onstott, M.E. Delwiche, D. Chandler, J.K. Fredrickson, Q.-J. Yao, J.P. McKinley, et al. 1997. “Microorganisms from Deep, High Temperature Sandstones: Constraints on Microbial Colonization”. FEMS Microbiology Reviews 20: 425-35. doi:10.1016/S0168-6445(97)00024-7.

Fredrickson, J.K., J.P. McKinley, B.N. Bjornstad, P.E. Long, D.B. Ringelberg, D.C. White, L.R. Krumholz, et al. 1997. “Pore-Size Constraints on the Activity and Survival of Subsurface Bacteria in a Late Cretaceous Shale-Sandstone Sequence, Northwestern New Mexico”. Geomicrobiology Journal 14: 183-202. doi:10.1080/01490459709378043.

Mailloux, B.J., M.E. Fuller, T.C. Onstott, J. Hall, H. Dong, M.F. DeFlaun, S.H. Streger, et al. 2003. “The Role of Physical, Chemical, and Microbial Heterogeneity on the Field-Scale Transport and Attachment of Bacteria”. Water Resources Research 39: SBH21-SBH217. doi:10.1029/2002WR001591.

Moser, D.P., T.C. Onstott, J.K. Fredrickson, F.J. Brockman, D.L. Balkwill, G.R. Drake, S.M. Pfiffner, et al. 2003. “Temporal Shifts in the Geochemistry and Microbial Community Structure of an Ultradeep Mine Borehole Following Isolation”. Geomicrobiology Journal 20: 517-48. doi:10.1080/713851170.

Dong, H., R. Rothmel, T.C. Onstott, M.E. Fuller, M.F. DeFlaun, S.H. Streger, R. Dunlap, and M. Fletcher. 2002. “Simultaneous Transport of Two Bacterial Strains in Intact Cores from Oyster, Virginia: Biological Effects and Numerical Modeling”. Applied and Environmental Microbiology 68: 2120-32. doi:10.1128/AEM.68.5.2120-2132.2002.

Dong, H., T.C. Onstott, M.F. DeFlaun, M.E. Fuller, T.D. Scheibe, S.H. Streger, R.K. Rothmel, and B.J. Mailloux. 2002. “Relative Dominance of Physical Versus Chemical Effects on the Transport of Adhesion-Deficient Bacteria in Intact Cores from South Oyster, Virginia”. Environmental Science and Technology 36: 891-900. doi:10.1021/es010144t.

Dong, H., T.C. Onstott, C.-H. Ko, A.D. Hollingsworth, D.G. Brown, and B.J. Mailloux. 2002. “Theoretical Prediction of Collision Efficiency Between Adhesion-Deficient Bacteria and Sediment Grain Surface”. Colloids and Surfaces B: Biointerfaces 24: 229-45. doi:10.1016/S0927-7765(01)00243-0.

Fuller, M.E., B.J. Mailloux, P. Zhang, S.H. Streger, J.A. Hall, S.N. Vainberg, A.J. Beavis, W.P. Johnson, T.C. Onstott, and M.F. DeFlaun. 2001. “Field-Scale Evaluation of CFDA SE Staining Coupled With Multiple Detection Methods for Assessing the Transport of Bacteria in Situ”. FEMS Microbiology Ecology 37: 55-66. doi:10.1016/S0168-6496(01)00143-X.

Lytle, C.A., M.E. Fuller, Y.D.M. Gan, A. Peacock, M.F. DeFlaun, T.C. Onstott, and D.C. White. 2001. “Utility of High Performance Liquid Chromatography Electrospray Mass Spectrometry of Polar Lipids in Specifically Per-13C Labeled Gram-Negative Bacteria DA001 As a Tracer for Acceleration of Bioremediation in the Subsurface”. Journal of Microbiological Methods 44: 271-81. doi:10.1016/S0167-7012(00)00245-1.

Takai, K., D.P. Moser, T.C. Onstott, N. Spoelstra, S.M. Pfiffner, A. Dohnalkova, and J.K. Fredrickson. 2001. “Alkaliphilus Transvaalensis Gen. nov., Sp. Nov., an Extremely Alkaliphilic Bacterium Isolated from a Deep South African Gold Mine”. International Journal of Systematic and Evolutionary Microbiology 51: 1245-56. doi:10.1099/00207713-51-4-1245.

Moser, D.P., T.M. Gihring, F.J. Brockman, J.K. Fredrickson, D.L. Balkwill, M.E. Dollhopf, B.S. Lollar, et al. 2005. “Desulfotomaculum and Methanobacterium Spp. Dominate a 4- to 5-Kilometer-Deep Fault”. Applied and Environmental Microbiology 71: 8773-83. doi:10.1128/AEM.71.12.8773-8783.2005.

Hall, J.A., B.J. Mailloux, T.C. Onstott, T.D. Scheibe, M.E. Fuller, H. Dong, and M.F. DeFlaun. 2005. “Physical Versus Chemical Effects on Bacterial and Bromide Transport As Determined from on Site Sediment Column Pulse Experiments”. Journal of Contaminant Hydrology 76: 295-314. doi:10.1016/j.jconhyd.2004.11.003.

Fuller, M.E., B.J. Mailloux, S.H. Streger, J.A. Hall, P. Zhang, W.P. Kovacik, S. Vainberg, W.P. Johnson, T.C. Onstott, and M.F. DeFlaun. 2004. “Application of a Vital Fluorescent Staining Method for Simultaneous, Near-Real-Time Concentration Monitoring of Two Bacterial Strains in an Atlantic Coastal Plain Aquifer in Oyster, Virginia”. Applied and Environmental Microbiology 70: 1680-87. doi:10.1128/AEM.70.3.1680-1687.2004.

Onstott, T.C., D.P. Moser, S.M. Pfiffner, J.K. Fredrickson, F.J. Brockman, T.J. Phelps, D.C. White, et al. 2003. “Indigenous and Contaminant Microbes in Ultradeep Mines”. Environmental Microbiology 5: 1168-91. doi:10.1046/j.1462-2920.2003.00512.x.

Mailloux, B.J., M.E. Fuller, G.F. Rose, T.C. Onstott, M.F. DeFlaun, E. Alvarez, C. Hemingway, R.B. Hallet, T.J. Phelps, and T. Griffin. 2003. “A Modular Injection System, Multilevel Sampler, and Manifold for Tracer Tests”. Ground Water 41: 816-27. doi:10.1111/j.1745-6584.2003.tb02422.x.

Davidson, M.M., M.E. Bisher, L.M. Pratt, J. Fong, G. Southam, S.M. Pfiffner, Z. Reches, and T.C. Onstott. 2009. “Sulfur Isotope Enrichment During Maintenance Metabolism in the Thermophilic Sulfate-Reducing Bacterium Desulfotomaculum Putei”. Applied and Environmental Microbiology 75: 5621-30. doi:10.1128/AEM.02948-08.

Mormile, M.R., M.A. Biesen, M.C. Gutierrez, A. Ventosa, J.B. Pavlovich, T.C. Onstott, and J.K. Fredrickson. 2003. “Isolation of Halobacterium Salinarum Retrieved Directly from Halite Brine Inclusions”. Environmental Microbiology 5: 1094-1102. doi:10.1046/j.1462-2920.2003.00509.x.

Smith, D.J., A.C. Schuerger, M.M. Davidson, S.W. Pacala, C. Bakermans, and T.C. Onstott. 2009. “Survivability of Psychrobacter Cryohalolentis K5 under Simulated Martian Surface Conditions”. Astrobiology 9: 221-28. doi:10.1089/ast.2007.0231.

Musslewhite, C.L., M.J. McInerney, H. Dong, T.C. Onstott, M. Green-Blum, D. Swift, S. Macnaughton, D.C. White, C. Murray, and Y.-J. Chien. 2003. “The Factors Controlling Microbial Distribution and Activity in the Shallow Subsurface”. Geomicrobiology Journal 20: 245-61. doi:10.1080/01490450303877.

MacLean, L.C.W., T. Tyliszczak, P.U.P.A. Gilbert, D. Zhou, T.J. Pray, T.C. Onstott, and G. Southam. 2008. “A High-Resolution Chemical and Structural Study of Framboidal Pyrite Formed Within a Low-Temperature Bacterial Biofilm”. Geobiology 6: 471-80. doi:10.1111/j.1472-4669.2008.00174.x.

Baker, B.J., D.P. Moser, B.J. MacGregor, S. Fishbain, M. Wagner, N.K. Fry, B. Jackson, et al. 2003. “Related Assemblages of Sulphate-Reducing Bacteria Associated With Ultradeep Gold Mines of South Africa and Deep Basalt Aquifers of Washington State”. Environmental Microbiology 5: 267-77. doi:10.1046/j.1462-2920.2003.00408.x.

Chivian, D., E.L. Brodie, E.J. Alm, D.E. Culley, P.S. Dehal, T.Z. DeSantis, T.M. Gihring, et al. 2008. “Environmental Genomics Reveals a Single-Species Ecosystem Deep Within Earth”. Science 322: 275-78. doi:10.1126/science.1155495.

Wanger, G., T.C. Onstott, and G. Southam. 2008. “Stars of the Terrestrial Deep Subsurface: A Novel Star-Shaped Bacterial Morphotype from a South African Platinum Mine (Geobiology (2008) 6, (325-330))”. Geobiology 6: 421. doi:10.1111/j.1472-4669.2008.00168.x.

Pfiffner, S.M., T.C. Onstott, T. Ruskeeniemi, M. Talikka, C. Bakermans, D. McGown, E. Chan, et al. 2008. “Challenges for Coring Deep Permafrost on Earth and Mars”. Astrobiology 8: 623-38. doi:10.1089/ast.2007.0159.

Wanger, G., T.C. Onstott, and G. Southam. 2008. “Stars of the Terrestrial Deep Subsurface: A Novel Star-Shaped Bacterial Morphotype from a South African Platinum Mine”. Geobiology 6: 325-30. doi:10.1111/j.1472-4669.2008.00163.x.

MacLean, L.C.W., T.J. Pray, T.C. Onstott, E.L. Brodie, T.C. Hazen, and G. Southam. 2007. “Mineralogical, Chemical and Biological Characterization of an Anaerobic Biofilm Collected from a Borehole in a Deep Gold Mine in South Africa”. Geomicrobiology Journal 24: 491-504. doi:10.1080/01490450701572416.

DeFlaun, M.F., J.K. Fredrickson, H. Dong, S.M. Pfiffner, T.C. Onstott, D.L. Balkwill, S.H. Streger, E. Stackebrandt, S. Knoessen, and E. van Heerden. 2007. “Isolation and Characterization of a Geobacillus Thermoleovorans Strain from an Ultra-Deep South African Gold Mine”. Systematic and Applied Microbiology 30: 152-64. doi:10.1016/j.syapm.2006.04.003.

Wanger, G., G. Southam, and T.C. Onstott. 2006. “Structural and Chemical Characterization of a Natural Fracture Surface from 2.8 Kilometers below Land Surface: Biofilms in the Deep Subsurface”. Handbook of Environmental Chemistry, Volume 5: Water Pollution 23: 443-52. doi:10.1080/01490450600875746.

Pfiffner, S.M., J.M. Cantu, A. Smithgall, A.D. Peacock, D.C. White, D.P. Moser, T.C. Onstott, and E. van Heerden. 2006. “Deep Subsurface Microbial Biomass and Community Structure in Witwatersrand Basin Mines”. Geomicrobiology Journal 23: 431-42. doi:10.1080/01490450600875712.

Scheibe, T.D., S.S. Hubbard, T.C. Onstott, and M.F. DeFlaun. 2011. “Lessons Learned from Bacterial Transport Research at the South Oyster Site”. Ground Water 49: 745-63. doi:10.1111/j.1745-6584.2011.00831.x.

Davidson, M.M., B.J. Silver, T.C. Onstott, D.P. Moser, T.M. Gihring, L.M. Pratt, E.A. Boice, et al. 2011. “Capture of Planktonic Microbial Diversity in Fractures by Long-Term Monitoring of Flowing Boreholes, Evander Basin, South Africa”. Geomicrobiology Journal 28: 275-300. doi:10.1080/01490451.2010.499928.

Silver, B.J., T.C. Onstott, G. Rose, L.-H. Lin, C. Ralston, B. Sherwood-Lollar, S.M. Pfiffner, T.L. Kieft, and S. McCuddy. 2010. “In Situ Cultivation of Subsurface Microorganisms in a Deep Mafic Sill: Implications for SLiMEs”. Geomicrobiology Journal 27: 329-48. doi:10.1080/01490451003705183.

Onstott, T.C., S.M. Hinton, B.J. Silver, and . 2010. “Coupling Hydrocarbon Degradation to Anaerobic Respiration and Mineral Diagenesis: Theoretical Constraints”. Geobiology 8: 69-88. doi:10.1111/j.1472-4669.2009.00224.x.

Onstott, T.C., D.J. McGown, C. Bakermans, T. Ruskeeniemi, L. Ahonen, J. Telling, B. Soffientino, et al. 2009. “Microbial Communities in Subpermafrost Saline Fracture Water at the Lupin Au Mine, Nunavut, Canada”. Microbial Ecology 58: 786-807. doi:10.1007/s00248-009-9553-5.

Simkus, D.N., G.F. Slater, B.S. Lollar, K. Wilkie, T.L. Kieft, C. Magnabosco, M.C.Y. Lau, et al. 2016. “Variations in Microbial Carbon Sources and Cycling in the Deep Continental Subsurface”. Geochimica Et Cosmochimica Acta 173: 264-83. doi:10.1016/j.gca.2015.10.003.

Borgonie, G., B. Linage-Alvarez, A. Ojo, S. Shivambu, O. Kuloyo, E.D. Cason, S. Maphanga, et al. 2015. “Deep Subsurface Mine Stalactites Trap Endemic Fis Sure Fluid Archaea, Bacteria and Nematoda Possibly Originating from Ancient Seas”. Frontiers in Microbiology 6. doi:10.3389/fmicb.2015.00833.

Magnabosco, C., M. Tekere, M.C.Y. Lau, B. Linage, O. Kuloyo, M. Erasmus, E. Cason, et al. 2014. “Comparisons of the Composition and Biogeographic Distribution of the Bacterial Communities Occupying South African Thermal Springs With Those Inhabiting Deep Subsurface Fracture Water”. Frontiers in Microbiology 5. doi:10.3389/fmicb.2014.00679.

Vishnivetskaya, T.A., A.C. Layton, M.C.Y. Lau, A. Chauhan, K.R. Cheng, A.J. Meyers, J.R. Murphy, et al. 2014. “Commercial DNA Extraction Kits Impact Observed Microbial Community Composition in Permafrost Samples”. FEMS Microbiology Ecology 87: 217-30. doi:10.1111/1574-6941.12219.

Onstott, T.C., C. Magnabosco, A.D. Aubrey, A.S. Burton, J.P. Dworkin, J.E. Elsila, S. Grunsfeld, et al. 2014. “Does Aspartic Acid Racemization Constrain the Depth Limit of the Subsurface Biosphere?”. Geobiology 12: 1-19. doi:10.1111/gbi.12069.

Wu, X., A. Chauhan, A.C. Layton, M.C.Y. Lau Vetter, B.T. Stackhouse, D.E. Williams, L. Whyte, S.M. Pfiffner, T.C. Onstott, and T.A. Vishnivetskaya. 2021. “Comparative Metagenomics of the Active Layer and Permafrost from Low-Carbon Soil in the Canadian High Arctic”. Environmental Science and Technology 55: 12683-93. doi:10.1021/acs.est.1c00802.

Liang, R., M.C.Y. Lau, O. Baars, F.T. Robb, and T.C. Onstott. 2019. “Aspartic Acid Racemization Constrains Long-Term Viability and Longevity of Endospores”. FEMS Microbiology Ecology 95. doi:10.1093/femsec/fiz132.

Magnabosco, C., L.-H. Lin, H. Dong, M. Bomberg, W. Ghiorse, H. Stan-Lotter, K. Pedersen, T.L. Kieft, E. van Heerden, and T.C. Onstott. 2018. “The Biomass and Biodiversity of the Continental Subsurface”. Nature Geoscience 11: 707-17. doi:10.1038/s41561-018-0221-6.