Publications

Johnson, SS, E Anslyn, H Graham, P Mahaffy, and A Ellington, 2018. Fingerprinting Non-Terran Life, Astrobiology, doi.org/10.1089/ast.2017.1712. | PDF

Zaikova, E, K Benison, M Mormile, and SS Johnson, 2018. Microbial communities and their predicted metabolic functions in a desiccating acid salt lake, Extremophiles, 22(3), 367-379. doi.org/10.1007/s00792-018-1000-4. | | PDF

Johnson, SS, H Graham, E Anslyn, P Conrad, L Cronin, A Ellington, J Elsila, P Girguis, C House, C Kempes, E Libby, P Mahaffy, J Nadeau, MR Rwebangirai, B Sherwood Lollar, and A Steele, 2018. Agnostic Biosignatures: Toward a More Inclusive Life Detection Strategy, White Paper for the National Academies Committee on the Astrobiology Science Strategy for the Search for Life in the Universe | PDF

Ehlmann, B, E Kite, D Rogers, T Glotch, C Fassett, A Hayes, C Edwards, J Mustard, A Fraeman, K Stack, B Horgan, PB Niles, L Kerber, M Rice, and SS Johnson, 2018. Mars as a Linchpin for the Understanding the Habitability of Terrestrial Planets: Discoveries of the Last Decade from Mars and Why A New Paradigm of Multiple, Landed Robotic Explorers is Required for Future Progress in Terrestrial Planet Astrobiology, White Paper for the National Academies Committee on the Astrobiology Science Strategy for the Search for Life in the Universe | PDF

Michalski, JR, TC Onstott, SJ Mojzsis, J Mustard, Q Chan, PB Niles, and SS Johnson, 2017. The Martian subsurface as a potential window into the origin of life, Nature Geoscience, 11, 21-26. doi.org/10.1038/s41561-017-0015-2. | PDF

Franz, H, A McAdam, DW Ming, C Freissinet, P Mahaffy, D Eldridge, W Fischer, J Grotzinger, C House, J Hurowitz, S McLennan, S Schwenzer, D Vaniman, P Archer, S Atreya, P Conrad, J Dottin, J Eigenbrode, K Farley, Daniel Glavin, SS Johnson, C Knudson, R Morris, R Navarro-Gonzalez, A Pavlov, R Plummer, E Rampe, J Stern, A Steele, R Summons, and B Sutter.  Large Sulphur Isotope Fractionations in Martian Sediments at Gale Crater. Nature Geoscience, 10(9), 658-662. doi:10.1038/ngeo3002. | PDF

Johnson, SS, E Zaikova, D Goerlitz, Y Bai, and S Tighe, 2017. Real Time DNA Sequencing in the Antarctic Dry Valleys using the Oxford Nanopore Sequencer. Journal of Biomolecular Techniques, 28(1), 2-7, doi: 10.7171/jbt.17-2801-009. | PDF

Tighe, S, E Afshinnekoo, TM Rock, K McGrath, N Alexander, A McIntyre, S Ahsanuddin, D Bezdan, SJ Green, S Joye, SS Johnson, DA Baldwin, N Bivens, N Ajami, JR Carmical, IC Herriott, R Colwell, M Donia, J Foox, N Greenfield, T Hunter, J Hoffman, J Hyman, E Jorgensen, D Krawczyk, J Lee, S Levy, N Garcia-Reyero, M Settles, K Thomas, F Gómez, L Schriml, N Kyrpides, E Zaikova, J Penterman, and CE Mason, 2017. Genomic Methods and Microbiological Technologies for Profiling Novel and Extreme Environments for the Extreme Microbiome Project (XMP). Journal of Biomolecular Techniques, 28(1): 31–39. doi: 10.7171/jbt.17-2801-004. | PDF

Johnson, SS, MG Chevrette, BL Ehlmann, and K Benison, 2015. Insights from the metagenome of an acid salt lake: the role of biology in an extreme depositional environment. PLOS One, 10(4). doi: 10.1371/journal.pone.0122869. | PDF

Johnson, SS, O-Rings, 2014. Best American Science and Nature Writing. Boston: Houghton Mifflin Harcourt, p. 107-114.

Johnson, SS, AA Pavlov, and MA Mischna, 2009. Fate of SO2 in the ancient Martian atmosphere: implications for transient greenhouse warming. Journal of Geophysical Research, 114, E11011. doi:10.1029/2008JE003313. | PDF

Johnson, SS, MA Mischna, TL Grove, and MT Zuber, 2008. Sulfur-induced Greenhouse Warming on Early Mars. Journal of Geophysical Research, 113, E08005. doi: 10.1029/2007JE002962. | PDF

Isenbarger, TA, CE Carr, SS Johnson, M Finney, GM Church, W Gilbert, MT Zuber, and G Ruvkun, 2008. The most conserved genome segments for life detection on Earth and other planets. Origins of Life and Evolution of Biospheres, 38(6), 517–533. doi:10.1007/s11084-008-9148-z. | PDF

Johnson, SS, MB Hebsgaard, TR Christensen, M Mastepanov, R Nielsen, K Munch, T Brand, MTP Gilbert, MT Zuber, M Bunce, R Rønn, D Gilichinsky, D Froese, and E Willerslev, 2007. Ancient Bacteria Show Evidence of DNA Repair. Proceedings of the National Academy of Sciences, 104(36), 14401-14405. doi: 10.1073/pnas.0706787104. | PDF

Herkenhoff, KE, SW Squyres, R Anderson, BA Archinal, RE Arvidson, JM Barrett, KJ Becker, JF Bell, C Budney, NA Cabrol, MG Chapman, D Cook, BL Ehlmann, J Farmer, B Franklin, LR Gaddis, DM Galuszka, PA Garcia, TM Hare, E Howington-Kraus, JR Johnson, SS Johnson, K Kinch, RL Kirk, EM Lee, C Leff, M Lemmon, MB Madsen, JN Maki, KF Mullins, BL Redding, L Richter, MR Rosiek, MH Sims, LA Soderblom, N Spanovich, R Springer, RM Sucharski, T. Sucharski, R Sullivan, JM Torson, and A Yen, 2006, Overview of the Microscopic Imager Investigation during Spirit’s first 450 sols in Gusev crater. Journal of Geophysical Research. 111, E02S04, doi:10.1029/2005JE002574. | PDF

McLennan, SM, JF Bell III, WM Calvin, PR Christensen, BC Clark, PA de Souza, JD Farmer, WH Farrand, DA Fike, R Gellert, A Ghosh, TD Glotch, JP Grotzinger, B Hahn, KE Herkenhoff, J. A Hurowitz, JR Johnson, SS Johnson, BL Joliff, G Klingelhöfer, AH Knoll, Z Learner, MC Malin, HY McSween Jr., J Pocock, SW Ruff, LA Soderblom, SW Squyres, NJ Tosca, WA Watters, MB Wyatt, and A Yen, 2005. Provenance and diagenesis of the evaporate-bearing Burns formation, Meridiani Planum, Mars. Earth and Planetary Science Letters, 240, 95 – 121. doi: 10.1016/j.epsl.2005.09.041 | PDF

Ehlmann, BL, RE Arvidson, BL Jolliff, SS Johnson, B Ebel, N Lovenduski, JD Morris, JA Byers, NO Snider, and RE Criss, 2005. Hydrologic and Isotopic Modeling of Alpine Lake Waiau. Pacific Science, 59(1), 1-15. doi: 10.1353/psc.2005.0005. | PDF