Takai, K., D.P. Moser, M. Deflaun, T.C. Onstott, and J.K. Fredrickson. 2001. “Archaeal Diversity in Waters from Deep South African Gold Mines”. Applied and Environmental Microbiology 67: 5750-60. doi:10.1128/AEM.67.21.5750-5760.2001. Reference Link
Kieft, T.L., J.K. Fredrickson, T.C. Onstott, Y.A. Gorby, H.M. Kostandarithes, T.J. Bailey, D.W. Kennedy, et al. 1999. “Dissimilatory Reduction of Fe(III) and Other Electron Acceptors by a Thermus Isolate”. Applied and Environmental Microbiology 65: 1214-21. doi:10.1128/aem.65.3.1214-1221.1999. Reference Link
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. Reference Link
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. Reference Link
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. Reference Link
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. Reference Link
Beam, J.P., E.D. Becraft, J.M. Brown, F. Schulz, J.K. Jarett, O. Bezuidt, N.J. Poulton, et al. 2020. “Ancestral Absence of Electron Transport Chains in Patescibacteria and DPANN”. Frontiers in Microbiology 11. doi:10.3389/fmicb.2020.01848. Reference Link
Saitta, E.T., R. Liang, M.C.Y. Lau, C.M. Brown, N.R. Longrich, T.G. Kaye, B.J. Novak, et al. 2019. “Cretaceous Dinosaur Bone Contains Recent Organic Material and Provides an Environment Conducive to Microbial Communities”. ELife 8. doi:10.7554/eLife.46205.001. Reference Link