PUBLICATIONS

2009
Johnston, D. T., Wolfe-Simon, F., Pearson, A., & Knoll, A. H. (2009). Anoxygenic photosynthesis modulate Proterozoic Oxygen. Proceedings of the National Academy of Science , 106 (40), 16925-16929. doi:10.1073/pnas.0909248106.
Zerkle, A. L., Farquhar, J., Johnston, D. T., Cox, R. P., & Canfield, D. E. (2009). Fractionation of multiple sulfur isotopes during phototrophic oxidation of sulfide and elemental sulfur by the green sulfur bacterium Chlorobium tepidum. Geochimica et Cosmochimica Acta , 73 (2), 291-306. doi:10.1016/j.gca.2008.10.027.
2008
Hoffman, P. F., Crowley, J. W., Johnston, D. T., Jones, D. S., & Schrag, D. P. (2008). Snowball prevention questioned. Arising from: W.R. Peltier, Y. Liu & J. W. Crowley Natural 450, 813-818 (2007), Nature , 456 (E7), 18-25. doi:10.1038/nature07655.
Domagal-Goldman, S. D., Kasting, J. F., Johnston, D. T., & Farquhar, J. (2008). Organic haze, glaciations and multiple sulfur isotopes in the Mid-Archean Era. Earth and Planetary Science Letters , 269 (1-2), 29-40. doi:10.1016/j.epsl.2008.01.040.
Farquhar, J., Canfield, D. E., Masterson, A. L., Bao, H., & Johnston, D. T. (2008). Sulfur and oxygen isotope study of sulfate reduction in experiments with natural populations from faellestrand, Denmark. Geochimica et Cosmochimica Acta , 72 (12), 2805-2821. doi:10.1016/j.gca.2008.03.013.
Johnston, D. T., Farquhar, J., Sumons, R. E., Shen, Y., Kaufman, A. J., Masterson, A. L., & Canfield, D. E. (2008). Sulfur isotope biogeochemistry of the Proterozoic McArthur basin. Geochimica et Cosmochimica Acta , 72 (17), 4278-4290. doi:10.1016/j.gca.2008.06.004.
Johnston, D. T., Farquhar, J., Habicht, K. S., & Canfield, D. E. (2008). Sulfur isotopes and the search for life: strategies for identifying sulfur metabolisms in the rock record and beyond. Geobiology , 6 (5), 425-435. doi:10.1111/j.1472-4669.2008.00171.x.
Farquhar, J., & Johnston, D. T. (2008). The oxygen cycle of the terrestrial planets: Insights into the processing and history of oxygen in surface environments. Reviews in Mineralogy and Geochemistry , 68 (1), 463-492. doi:10.2138/rmg.2008.68.16.
2007
Kaufman, A. J., Johnston, D. T., Farquhar, J., Masterson, A. L., Lyons, T. W., Anbar, S. B. A., Arnold, G. L., et al. (2007). Late Archean biospheric oxygenation and atmospheric evolution. Science , 317 (5846), 1900-1903. doi:10.1126/science.1138700.
Farquhar, J., Johnston, D. T., & Wing, B. A. (2007). Implications of conservation of mass effects on mass-dependent isotope fractionations: influence of network structure on sulfur isotope phase space of dissimilatory sulfate reduction. Geochimica et Cosmochimica Acta , 71 (24), 5862-5875. doi:10.1016/j.gca.2007.08.028.
Farquhar, J., Peters, M., Johnston, D. T., Strauss, H., Masterson, A. L., Wiechert, U., & Kaufman, A. J. (2007). Isotopic evidence for Mesoarchean anoxia and changing atmospheric sulfur chemistry. Nature , 449, 706-709. doi:10.1038/nature06202.
Johnston, D. T., Farquhar, J., & Canfield, D. E. (2007). Sulfur isotope insights into microbial sulfate reduction: when microbes meet models. Geochimica et Cosmochimica Acta , 71 (16), 3929-3947. doi:10.1016/j.gca.2007.05.008.
2006
Johnston, D. T., Poulton, S. W., Fralick, P. W., Wing, B. A., Canfield, D. E., & Farquhar, J. (2006). Evolution of the oceanic sulfur cycle at the end of the Paleoproterozoic. Geochimica et Cosmochimica Acta , 70 (23), 5723-5739. doi:10.1016/j.gca.2006.08.001.
Ono, S., Wing, B. A., Johnston, D. T., Farquhar, J., & Rumble, D. (2006). Mass-dependent Fractionation of Quadruple Stable Sulfur Isotope System as a New Tracer of Sulfur Biogeochemical Cycles. Geochimica et Cosmochimica Acta , 70 (9), 2238-2252. doi:10.1016/j.gca.2006.01.022.
2005
Johnston, D. T., Wing, B. A., Farquhar, J., Kaufman, A. J., Strauss, H., Lyons, T. W., Kah, L. C., et al. (2005). Active microbial sulfur disproportionation in the Mesoproterozoic. Science , 310 (5753), 1477-1479. doi:10.1126/science.1117824.
Johnston, D. T., Farquhar, J., Wing, B. A., Kaufman, A. J., Canfield, D. E., & Habicht, K. S. (2005). Multiple sulfur isotope fractionations in biological systems: a case study with sulfate reducers and sulfur disproportionators. American Journal of Science , 305 (6-8), 645-660. doi:10.2475/ajs.305.6-8.645.
2003
Farquhar, J., Johnston, D. T., Wing, B. A., Habicht, K. S., Canfield, D. E., Airieau, S., & Thiemens, M. H. (2003). Multiple sulfur isotopic interpretations of biosynthetic pathways: Implications for biological signatures in the sulfur isotope record. Geobiology , 1 (1), 27-36. doi:10.1046/j.1472-4669.2003.00007.x.

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