Jody with pressure vessel
                                                               Jody Deming pressurizing brinecicle samples; CASES 2004

Jody W. Deming, Ph.D. (Univ. of Maryland, 1981), Professor, UW School of Oceanography and Astrobiology Program

Research interests:

Recent activities:

Examples of recent talks and posters:

Cochran, J.K., C.T. Evans, J.W. Deming, S. Hoffmann, A. Thompson, and D.J. Hirschberg.  2008. Thorium-234 and POC fluxes and extracellular enzymatic activity in the Laptev Sea.  Ocean Sciences Meeting, 27 March, Orlando.

Deming, J.W.  2007.  Arctic sea ice as a microbial reactor: Insights from the CASES overwintering expedition.  Invited talk, CMOS meeting, St. John’s, Newfoundland, 29 May–1 June.

Barber, D., G. Stern, and J.W. Deming.  2007.  The International Polar Year Circumpolar Flaw Lead (CFL) System Study.  Invited talk, CMOS meeting, St. John’s, Newfoundland, 29 May–1 June.

Collins, R.E., S.D. Carpenter, and J.W. Deming.  2007.  Lateral gene transfer in Arctic sea ice?  Poster, Gordon Research Conference on Polar Marine Sciences, Ventura, California, 25-30 March.

Evans, C.T., and J.W. Deming.  2007.  Aggregate-specific Archaeal and Bacterial diversity and enzymatic activities on Arctic continental shelves.  Poster, Gordon Research Conference on Polar Marine Sciences, Ventura, California, 25-30 March.

Deming, J.W.  2007.  Sea ice as a reactor for cold-adapted microbes.  Invited talk, International Arctic Frontiers, First Annual Meeting, Tromsø, Norway, 21-26 January.

Deming, J.W.  2007.  Of ice and microbes.  Special Session, Astrobiology for Astronomers, American Astronomical Society Annual Meeting, Seattle, 10-14 January.

Evans, C.T., and J.W. Deming.  2006.  Archaeal and Bacterial diversity and enzymatic activities associated with particulate matter in the Laptev Sea, a river-impacted Arctic shelf environment.  EOS Trans. AGU 87(52), Fall Meeting Suppl., Abstract B11B-1018 (Colleen T. Evans).

Evans, C.T., J.W. Deming, and J.K. Cochran.  2006.  Microbial diversity associated with suspended and sinking particles on river-impacted Arctic Shelves.  ASLO Summer Meeting, Victoria, BC, 4-9 June.

Deming, J.W.  2006.  The UW Astrobiology Program: Integrated Graduate Education and Research Training.  Joint UW-German Conference of the Future of Astrobiology in the Bremen Region, Max Planck Institute for Marine Microbiology, Bremen, 27-28 April.

Deming, J.W.  2006.  Constraints on microbial life in ice.  Invited talk, International Workshop, Subglacial Antarctic Lake Environments (SALE) in the International Polar Year (IPY) 2007-2008:  Advanced Science and Technology Planning, Grenoble, 24-26 April.

Deming, J.W.  2006.  Viral dynamics in ice:  a safeguard against extinction?  Invited talk, Astrobiology Session, International Conference on Alpine and Polar Microbiology, Innsbruck, 27-30 March.

Collins, R.E., and J.W. Deming.  2006.  Archaeal persistence through winter in first-year sea ice.  Poster, International CASES workshop, Winnipeg, 12-16 February.

Miller, L., O. Owens, T. Papakyriakou, N. Sutherland, R.E. Collins, A. Mucci, and J.W. Deming.  2006.  A time series of the carbon budget in first-year sea ice.  Poster, International CASES workshop, Winnipeg, 12-16 February.

Deming, J.W.  2005.  Life without ice:  Learning from microorganisms in Arctic habitats and ecosystems faced with demise.  Invited talk, ASLO Summer Meeting, Santiago de Compostela, 19-24 June.

Deming, J.W.  2005.  International Symposium on Arctic Polynyas:  From Sentinels to Circum-Arctic Expanses.  Opening talk, Arctic Science Summit Week, Kunming, China, 18 April.

Collins, R.E., S.D. Carpenter, and J.W. Deming.  2005.  Microbial communities at very low temperatures in natural saline ice formations.  Poster, NAI 2005 Biennial Meeting, Boulder, 10-14 April.

Junge, K., B.D. Swanson, H. Eicken, and J.W. Deming.  2005.  Evidence for intracellular bacterial activity in deeply frozen saline ice formations.  Poster, NAI 2005 Biennial Meeting, Boulder, 10-14 April.

Deming, J.W.  2004.  New directions in the study of bacteria inhabiting very cold sea-ice formations.  Invited talk, EOS Trans.  AGU 85(47), Fall Meeting Suppl., Abstract B23C-01.

Recent publications:
Please contact for reprints.

Collins, R.E., S.D. Carpenter, and J.W. Deming.  2007.  Spatial heterogeneity and temporal dynamics of particles, bacteria, and pEPS in Arctic winter sea ice.  Special Issue, J. Mar. Systems (in press).

Deming, J.W., and S.D. Carpenter.  2007.  Factors influencing benthic bacterial abundance, biomass and activity on the northern continental slope of the Gulf of Mexico.  Special Issue, Deep-Sea Res. Part II (in press).

Krembs, C., and J.W. Deming.  2007.  The role of exopolymers in microbial adaptation to sea ice.  In Psychrophiles: from Biodiversity to Biotechnology, R. Margesin, .F Schinner, J.-C. Marx, and C. Gerday, eds., Springer-Verlag (in press).

Deming, J.W., and H. Eicken.  2007.  Life in ice.  In Planets and Life: The Emerging Science of Astrobiology, W.T. Sullivan and J.A. Baross, eds., Cambridge University Press, pp. 292-312.

Deming, J.W.  2007.  Extreme high-pressure marine environments.  In C.J. Hurst, R.L. Crawford, J.L. Garland, A.L. Mills, and L.D. Stetzenbach, eds., ASM Manual of Environmental Microbiology, Third Edition, ASM Press, Washington, DC, pp. 575-590.

Deming, J.W.  2007.  Life in ice formations at very cold temperatures. In C. Gerday and N. Glansdorff, eds., Physiology and Biochemistry of Extremophiles, ASM Press, Washington, DC, pp. 133-145.

Beaty, D.W., K.L. Buxbaum, M.A. Meyer, N.G. Barlow, W.V. Boynton, B.C. Clark, J.W. Deming, P.T. Doran, K.S. Edgett, S.L. Hancock, J.W. Head, M.H. Hecht, V. Hipkin, T.L. Kieft, R.L. Mancinelli, E.V. McDonald, C.P. McKay, M.T. Mellon, H. Newsom, G.G. Ori, D.A. Paige, A.C. Schuerger, M.L. Sogin, J.A. Spry, A. Steele, K.L. Tanaka, and M.A. Voytek.  2006.  Findings of the Mars Special Regions Science Analysis Group.  Astrobiology 6(5):677-732.

Tang, Y.J., S.D. Carpenter, J.W. Deming, and B.B. Krieger-Brockett.  2006.  Depth-related influences on biodegradation rates of phenanthrene in polluted marine sediments of Puget Sound, WA.  Mar. Pollution Bull. 52:1431-1440.

Wells, L.E., and J.W. Deming.  2006.  Characterization of a cold-active bacteriophage on two psychrophilic marine hosts.  Aquat. Microb. Ecol. 45:15-29.

Wells, L.E., and J.W. Deming.  2006.  Effects of temperature, salinity and clay particles on inactivation and decay of cold-active marine Bacteriophage 9A.  Aquat. Microb. Ecol. 45:31-39.

Rex, M.A., R.J. Etter, J.S. Morris, J. Crouse, C.R. McClain, N.A. Johnson, C.T. Stuart, J.W. Deming, R. Thies, and R. Avery.  2006.  Global bathymetric patterns of standing stock and body size in the deep-sea benthos.  Mar. Ecol. Prog. Ser. 317:1-8 (feature article).

Wells, L.E., and J.W. Deming.  2006.  The significance of bacterivory and viral lysis in bottom waters of Franklin Bay, Canadian Arctic, during winter.  Aquat. Microb. Ecol. 43:209–221.

Junge, K., H. Eicken, B.D. Swanson, and J.W. Deming.  2006.  Bacterial incorporation of leucine into protein down to –20°C with evidence for potential activity in subeutectic saline ice formations.  Cryobiology 52:417–429.

Wells, L.E., and J.W. Deming.  2006.  Modeled and measured dynamics of viruses in Arctic winter sea-ice brines.  Environ. Microbiol. 8(6):1115-1121.

Wells, L.E., M. Cordray, S. Bowerman, L. Miller, W.F. Vincent, and J.W. Deming.  2006.  Archaea in particle-rich waters of the Beaufort Shelf and Franklin Bay, Canadian Arctic:  Clues to an allochthonous origin?  Limnol. Oceanogr.  51:47-59.

Methé, B.A., K.E. Nelson, J.W.Deming, B. Momen, E. Melamud, X. Zhang, J. Moult, R. Madupa, W.C. Nelson, R.J. Dodson, L.M. Brinkac, S.C. Daugherty, A.S. Durkin, R.T. DeBoy, J.F. Kolonay, S.A. Sullivan, L. Zhou, T.M.Davidsen, M. Wu, A.L. Huston, M. Lewis, B. Weaver, J.F. Weidman, H. Khouri, T.R. Utterback, T.V. Feldblyum, and C.M. Fraser.  2005.  The psychrophilic lifestyle as revealed by the genome sequence of Colwellia psychrerythraea 34H through genomic and proteomic analyses.  Proc Nat Acad Sci USA 102(31):10913-10918.

Deming, J.W. and K. Junge.  2005.  Genus Colwellia Deming 1988, 159AL.  In Bergey’s Manual of Systematic Bacteriology, Second Edition, Vol. 2, Protobacteria, N.R. Krieg, D.J. Brenner and J.T. Staley (eds.), Bergey’s Manual Trust, Springer, New York, pp. 447-454.

Tang, Y.J., S. Carpenter, J. Deming, and B. Krieger-Brockett.  2005.  Controlled release of nitrate and sulfate to enhance anaerobic bioremediation of phenanthrene in marine sediments.  Environ. Sci. Technol.  39(9):3368-3373.

Huston, A.L., B. Methe, and J.W. Deming.  2004.  Purification, characterization and sequencing of an extracellular cold-active aminopeptidase produced by marine psychrophile Colwellia psychrerythraea strain 34H.  Appl. Environ. Microbiol. 70(6):3321-3328.

Junge, K., H. Eicken, and J.W. Deming.  2004.  Bacterial activity at -2 to -20 degrees C in Arctic wintertime sea ice.  Appl. Environ. Microbiol. 70:550-557.

Junge, K., J.W. Deming, and H. Eicken.  2003.  A microscopic approach to investigate bacteria under in situ conditions in Arctic lake ice: Initial comparisons to sea ice.  In Bioastronomy 2002: Life Amongst the Stars, R Norris and F Sttotman eds., Astronomical Society of the Pacific, IAU Symposium Series, Vol 213, pp. 381-388.

Phillips, H., L.E. Wells, R.V. Johnson II, S. Elliott, and J.W. Deming.  2003.  LAREDO: A new instrument for sampling and in situ incubation of deep-sea hydrothermal vent fluids.  Deep-Sea Res. I  50:1375-1387.

Junge, K., H. Eicken, and J.W. Deming.  2003.  Motility of Colwellia psychrerythraea strain 34H at subzero temperatures. Appl. Environ. Microbiol. 69:4282-4284.

Wells, L.E., and J.W. Deming.  2003. Abundance of Cytophaga-Flavobacterium-Bacteriodes and Archaea in cold surface-water and nepheloid layers of the Northwest Passage, Canadian Archipelago.  Aquat. Microb. Ecol. 31: 19-31. 

Krembs, C.H. Eicken, K. Junge, and J.W. Deming.  2002.  High concentrations of exopolymeric substances in wintertime sea ice: Implications for the polar ocean carbon cycle and cryoprotection of diatoms.  Deep-Sea Res. I  49: 2163-2181. 

Rowe, G., A. Lohse, F. Hubbard, G. Boland, E. Escobar Briones, and J. Deming. 2002.  Preliminary trophodynamic carbon budget for the Sigsbee Deep benthos, northern Gulf of Mexico.  Amer. Fish. Soc. Symp. 33:215-228.

Huston, A.L., and J.W. Deming.  2002.  Relationships between microbial extracellular enzymatic activity and suspended and sinking particulate organic matter: Seasonal transformations in the North Water . Deep-Sea Res. II 49: 5211-5225. 

Deming, J.W., L. Fortier, and M. Fukuchi.  2002.  The International North Water Polynya Study (NOW): A brief overview.  Deep-Sea Res. II  49: 1-6. 

Junge, K., J.F. Imhoff, J.T. Staley, and J.W. Deming.  2002.  Phylogenetic diversity of numerically important bacteria in Arctic sea ice.  Microb. Ecol. 43: 315-328. 

Deming, J.W.  2002.  Psychrophiles and polar regions.  Current Opinion Microbiol 5(3): 301-309.

Junge, K., C. Krembs, J. Deming, A. Stierle, and H. Eicken.  2001.  A microscopic approach to investigate bacteria under in-situ conditions in sea-ice samples.  Ann. Glaciol. 33: 304-310.

Staley, J.T., K. Junge, and J.W. Deming.  2001.  And some like it cold: Sea ice microbiology.  In Biodiversity of Microbial Life: Foundation of Earth’s Biosphere, J.T. Staley and A.L. Reysenbach, eds., Wiley-Liss, Inc., New York, pp. 423-438.

Allen, D., A.L. Huston, L.E. Wells, and J.W. Deming.  2001.  Biotechnological use of psychrophiles.  In G Bitton, ed., Encyclopedia of Environmental Microbiology, John Wiley & Sons, New York, pp. 1-17.

Deming, J.W., and J.A. Baross.  2001.  Search and discovery of microbial enzymes from thermally extreme environments in the ocean.  In Enzymes in the Environment, R.P. Dick and R.G. Burns, eds., Marcel Dekker Publishers, pp. 327-362.

Deming, J.W., and A.L. Huston.  2000.  An Oceanographic perspective on microbial  life at low temperatures with implications for polar ecology, biotechnology and astrobiology.  In Cellular Origins and Life in Extreme Habitats, J Seckbach, ed., Kluwer Publishers, Dordrecht, the Netherlands, pp. 149-160.

Huston, A.L., B.B. Krieger-Brockett, and J.W. Deming.  2000. Remarkably low temperature optima for extracellular enzyme activity from Arctic bacteria and sea ice.  Environ. Microbiol. 2(4):383-388. 

Deming, J.W., and J.A. Baross.  2000.  Survival, dormancy and non-culturable cells in deep-sea environments.  In R.R. Colwell and D.J. Grimes, eds., Non-Culturable Microorganisms in the Environment, ASM Press, Washington, DC, pp 147-197.