PUBLICATIONS

2020
Laakso, T., Waldeck, A. R., MacDonald, F. A., & Johnston, D. T. (2020). Volcanic controls on seawater sulfate over the past 120 million years. PNAS , 117 (35), 21118-21124.
Bertran, E., Waldeck, A., Wing, B., Halevy, I., Leavitt, W., Bradley, A., & Johnston, D. (2020). Oxygen isotope effects during microbial sulfate reduction: applications to sediment cell abundances. ISME , 14, 1508–1519.
Liljestrand, F. L., Knoll, A. H., Tosca, N. J., Cohen, P. A., MacDonald, F. A., Peng, Y., & Johnston, D. T. (2020). The triple oxygen isotope composition of Precambrian chert. Earth and Planetary Science Letters , 537 (116167).
Smith, D., Bradley, A., Johnston, D., & Fike, D. (2020). Isotopic fractionation associated with sulfate import and activation by Desulfovibrio vulgaris str. Hildenborough. Frontiers in Microbiology , 11, 529317.
Laakso, T., Sperling, E., Johnston, D., & Knoll, A. (2020). Ediacaran reorganization of the marine phosphorus cycle. PNAS , 117 (22), 11961-11967.
Hemingway, J., Olson, H., Turchyn, A. V., Tipper, E. T., & Johnston, D. (2020). Triple oxygen isotope insight into terrestrrial pyrite weathering. PNAS , 117 (14), 7650-7657.
Liljestrand, F. L., MacDonald, F. A., Laakso, T., Schrag, D., & Johnston, D. T. (2020). Anomalous carbon cycling in the aftermath of the Marinoan Snowball Earth. Geobiology , 18 (4), 476-485.
Bertran, E., Ward, L., & Johnston, D. (2020). Draft Genome Sequence of Desulfofundulus thermobenzoicus subsp. thermosyntrophicus DSM 14055, a Moderately Thermophilic Sulfate Reducer. Microbiol Resour Announcements , 9 (3), e01416-19.
Bertran, E., Ward, L. M., & Johnston, D. T. (2020). Draft Genome Sequence of Desulfobacter hydrogenophilus DSM 3380, a Psychrotolerant Sulfate-Reducing Bacterium. Microbiology Resource Announcements , 9 (14), e00203-20.
Bertran, E., Ward, L. M., & Johnston, D. T. (2020). Draft Genome Sequence of Acidianus ambivalens DSM 3772, an Aerobic Thermoacidophilic Sulfur Disproportionator. Microbiology Resource Announcements , 9 (3), e01415-19.
Ward, L. M., Bertran, E., & Johnston, D. T. (2020). Draft Genome Sequence of Desulfovibrio sulfodismutans ThAc01, a Heterotrophic Sulfur-Disproportionating Member of the Desulfobacterota. Microbiology Resource Announcement , 9 (13), e00202-20.
2019
Crockford, P., Wing, B. A., Paytan, A., Bitterwolf, K. K., Hayles, J. A., Middleton, J., Ahm, A. S., et al. (2019). Barium-isotopic constraints on the origin of post-Marinoan barites. EPSL.
Waldeck, A. R., Cowie, B., Bertran, E., Wing, B. A., Halevy, I., & Johnston, D. T. (2019). Deciphering the atmospheric signal in marine sulfate oxygen isotope composition. EPSL.
2018
Bertran, E., Leavitt, W., Pellerin, A., Zane, G., Wall, J., Halevy, I., Wing, B., et al. (2018). Deconstructing the dissimilatory sulfate reduction pathway: Isotope fractionation ofa mutant unable to grow on sulfate. Frontiers in Microbiology , 9 3110.
Schwarzenbach, E. M., Gill, B. C., & Johnston, D. T. (2018). Unraveling Multiple Phases of Sulfur Cycling during the Alteration of Ancient Ultramafic Oceanic Lithosphere. Geochimica et Cosmochimica Acta , 223, 279-299.
Hardisty, D. S., Lyons, T. W., Riedinger, N., Isson, T. T., Owens, J. D., Aller, R. C., Rye, D. M., et al. (2018). An Evaluation of Sedimentary Molybdenum and Iron as Proxies for Pore Fluid Paleoredox Conditions. American Journal of Science , 318 (5), 527-556.
Masterson, A. L., Alperin, M. J., Berelson, W., & Johnston, D. T. (2018). Interpreting multiple sulfur isotope signals in modern anoxic sediments using a full diagenetic model (California-Mexico margin: Alfonso Basin). American Journal of Science , 318 (5), 459-490.
2017
Miller, A. J., Strauss, J. V., Halverson, G. P., MacDonald, F. A., Johnston, D. T., & Sperling, E. A. (2017). Tracking the Onset of Phanerozoic-style Redox-Sensitive Trace Metal Enrichments: New Results from Basal Ediacaran Post-Glacial Strata in NW Canada. Chemical Geology , 457, 24-37.
Gomes, M. L., & Johnston, D. T. (2017). Oxygen and Sulfur Isotopes in Sulfate in Modern Euxinic Systems with Implications for Evaluating the Extent of Euxinia in Ancient oceans. Geochimica et Cosmochimica Acta , 205, 331-359.
2016
Bradley, A. S., Leavitt, W. D., Schmidt, M., Knoll, A. H., Girguis, P. R., & Johnston, D. T. (2016). Patterns of Sulfur Isotope Fractionation During Microbial Sulfate Reduction. Geobiology , 14 (1), 91-101.

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