Montana State University

Department of Land Resources and Environmental Sciences

Montana State University
P.O. Box 173120
Bozeman, MT 59717-3120

Tel: (406) 994-7060
Fax: (406) 994-3933
Location: 334 Leon Johnson Hall

Academic Programs:

Tel: (406) 994-3090

Department Head:

Dr. Tracy M. Sterling

Timothy R. McDermott

Professor; Ph.D. 1989, M.S. 1985, University of Minnesota; B.S. 1982, University of Nebraska-Lincoln. Soil and environmental microbiology. Physiology, biochemistry, and genetics of phosphorus metabolism in the rhizobia as it occurs during symbiosis with the host legume plant; Microbial and metabolic diversity in geothermally heated soils, including arsenic and metal transformations.

Recent Publications:

  • Skorupa, D.J., R.W. Castenholz, A. Mazurie, C. Carey, F. Rosenzweig and T.R. McDermott  (2013)  In situ gene expression profiling of the thermoacidophilic alga Cyanidioschyzon in relation to visible and ultraviolet irradiance. Environ. Microbiol. Doi:10.1111/1462-2920.12317
  • Romano, C., S. D’Imperio, T. Woyke, K. Mavromatis, R. Lasken, E.L. Shock and T.R. McDermott (2013) Comparative genomic analysis of phylogenetically closely related Hydrogenobaculum sp. Isolates from Yellowstone National Park. Appl. Environ. Microbiol. 79:2932-2943.
  • Clingenpeel, S., J. Kan, R.E. Macur, T. Woyke, D. Lovalvo, J.D. Varley, W.P. Inskeep, K. Nealson and T.R. McDermott (2013) Yellowstone Lake Nanoarchaeota. Front. Microbiol. Doi: 10.3389/fmicb.2013.00274
  • Kang ,Y.S., J. Heinemann, B. Bothner, C. Rensing, and T.R. McDermott (2012) Integrated co-regulation of bacterial arsenic and phosphorus metabolisms. Environ. Microbiol. 14:3097-109.
  • Kang, Y.S., B. Bothner, C. Rensing, and T.R. McDermott (2012) Involvement of RpoN in regulating bacterial arsenite oxidation. Appl Environ Microbiol. 78:5638-5645.
  • Liu, G., M. Liu, E.H. Kim, W.S. Maaty, B. Bothner, B. Lei, C. Rensing, G. Wang, and T.R.         McDermott (2012) A periplasmic arsenite-binding protein involved in regulating arsenite oxidation. Environ Microbiol. 14:1624-1634.
  • Rosen BP, A.A. Ajees, T.R. McDermott. 2011. Life and death with arsenic. Arsenic life: an analysis of the recent report "A bacterium that can grow by using arsenic instead of phosphorus". Bioessays, 33:350-357
  • Clingenpeel, S.R., J. Kahn, W.P. Inskeep, D. Lavalvo, J. Varley, K. Nealson, and T.R. McDermott (2011) Archaea in Yellowstone Lake.  ISME J. 5:1784-1795
  • Clingenpeel, S.R., R.E. Macur, J. Kahn, W.P. Inskeep, D. Lavalvo, J. Varley, E. Mathur, K. Nealson, Y. Gorby, T. La Francois, and T.R. McDermott (2011) Yellowstone Lake: High energy geochemistry and rich bacterial diversity.  Environ. Microbiol. 13:2172-2185
  • D. Lovalvo, S. R. Clingenpeel, S. McGinnis, R. E. Macur, J. D. Varley, W. P. Inskeep, J. Glime, K. Nealson and T. R. McDermott. 2010. A geothermal-linked biological oasis in Yellowstone Lake, Yellowstone National Park. Geobiology. 8:327–336.
  • Qin, J., C.R. Lehr, X.C. Le, T.R. McDermott, and B.P. Rosen (2009) Arsenic methylation by a thermoacidophilic eukaryotic alga. Proc. Natl. Acad. Sci. 106:5213-5217.
  • D’Imperio, S., C.R. Lehr, H. Oduro, G. Druschel, M. Kühl, and T.R. McDermott (2008) The relative importance of H2 and H2S as energy sources for primary production in geothermal springs. Appl. Envir. Microbiol. 74: 5802-5808.

Recent Grants:

  • "A Cellular Systems Analysis of Microbe-Arsenic Interactions."
    National Science Foundation: Systems and Synthetic Biology
    T.R. McDermott, B.B. Bothner, and R. Carlson

  • "Integrated Analysis of Extremophile Biology from Genes to Metabolites."
    National Science Foundation: Metabolic Biochemistry
    B.B. Bothner, A. Mazurie, T.R. McDermott, and M. Young

  • "Molecular and Genetic Controls Regulating Bacterial Arsenite Oxidation."
    National Science Foundation: Metabolic Biochemistry
    T.R. McDermott and B.B. Bothner

  • "Genetics Underlying Microbial Antimony Oxidation."
    National Science Foundation: Geobiology and Low Temperature Geochemistry
    T.R. McDermott

  • "The Thermo-acidophilic Cyanidiales: Genetic and Physiological Diversity in Relation to Environment and Seasonal Change in Yellowstone National Park."
    National Science Foundation: Microbial Interactions and Processes
    T.R. McDermott

Current Instructional Responsibilities:

  • LRES 452 - Soil and Environmental Microbiology (Spring, odd years)
  • LRES 552 - Advanced Soil and Environmental Microbiology (Spring, even years)

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