Assistant Professor
Canada Research Chair in Geomicrobiology

Research Summary

Dr. Crowe is a geochemist who couples classical and molecular biological tools to geochemical techniques to study the co-evolution of life and Earth surface chemistry. Dr. Crowe’s current interests are in modern nitrogen cycling, the evolution of atmospheric oxygen through the Precambrian, and the role of Fe-based photosynthesis in early biological production and the deposition banded iron formations.

Publications

 
Comprehensive List
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Selected Publications

  1. Atmospheric oxygenation three billion years ago.
    Crowe SA, Døssing LN, Beukes NJ, Bau M, Kruger SJ, Frei R, Canfield DE.
    Nature. 2013 Sep 26;501(7468):535-8. doi: 10.1038/nature12426.
  2. The methane cycle in ferruginous Lake Matano.
    Crowe SA, Katsev S, Leslie K, Sturm A, Magen C, Nomosatryo S, Pack MA, Kessler JD, Reeburgh WS, Roberts JA, González L, Douglas Haffner G, Mucci A, Sundby B, Fowle DA.
    Geobiology. 2011 Jan;9(1):61-78. doi: 10.1111/j.1472-4669.2010.00257.x. Epub 2010 Sep 20.
  3. Photoferrotrophs thrive in an Archean Ocean analogue.
    Crowe SA, Jones C, Katsev S, Magen C, O’Neill AH, Sturm A, Canfield DE, Haffner GD, Mucci A, Sundby B, Fowle DA.
    Proc Natl Acad Sci U S A. 2008 Oct 14;105(41):15938-43. doi: 10.1073/pnas.0805313105. Epub 2008 Oct 6.
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