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.

Lin, L.-H., P.-L. Wang, D. Rumble, J. Lippmann-Pipke, E. Boice, L.M. Pratt, B.S. Lollar, et al. 2006. “Long-Term Sustainability of a High-Energy, Low-Diweniff Crystal-Biome”. Science 314: 479-82. doi:10.1126/science.1127376.

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.

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.

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.

Lau, M.C.Y., C. Cameron, C. Magnabosco, C.T. Brown, F. Schilkey, S. Grim, S. Hendrickson, et al. 2014. “of Functional Genes Shared Among Seven Terrestrial Subsurface Metagenomes Reveal N-Cycling and Microbial Evolutionary Relationships”. Frontiers in Microbiology 5. doi:10.3389/fmicb.2014.00531.

Wilkins, M.J., R.A. Daly, P.J. Mouser, R. Trexler, S. Sharma, D.R. Cole, K.C. Wrighton, et al. 2014. “Trends and Future Challenges in Sampling the Deep Terrestrial Biosphere”. Frontiers in Microbiology 5. doi:10.3389/fmicb.2014.00481.

Graham, D.E., M.D. Wallenstein, T.A. Vishnivetskaya, M.P. Waldrop, T.J. Phelps, S.M. Pfiffner, T.C. Onstott, et al. 2012. “Microbes in Thawing Permafrost: The Unknown Variable in the Climate Change Equation”. ISME Journal 6: 709-12. doi:10.1038/ismej.2011.163.

Graham, D.E., M.D. Wallenstein, T.A. Vishnivetskaya, M.P. Waldrop, T.J. Phelps, S.M. Pfiffner, T.C. Onstott, et al. 2012. “Microbes in Thawing Permafrost: The Unknown Variable in the Climate Change Equation”. ISME Journal 6: 709-12. doi:10.1038/ismej.2011.163.

Lippmann-Pipke, J., Sherwood Lollar, S. Niedermann, N.A. Stroncik, R. Naumann, E. van Heerden, and T.C. Onstott. 2011. “Neon Identifies Two Billion Year Old Fluid Component in Kaapvaal Craton”. Chemical Geology 283: 287-96. doi:10.1016/j.chemgeo.2011.01.028.

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.

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.

Borgonie, G., B. Linage-Alvarez, A.O. Ojo, S.O.C. Mundle, L.B. Freese, C. Van Rooyen, O. Kuloyo, et al. 2015. “Eukaryotic Opportunists Dominate the Deep-Subsurface Biosphere in South Africa”. Nature Communications 6. doi:10.1038/ncomms9952.

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.

Lau, M.C.Y., R.L. Harris, Y. Oh, M.J. Yi, A. Behmard, and T.C. Onstott. 2018. “Taxonomic and Functional Compositions Impacted by the Quality of Metatranscriptomic Assemblies”. Frontiers in Microbiology 9. doi:10.3389/fmicb.2018.01235.