Jody Deming pressurizing brinecicle samples;
Jody W. Deming, Ph.D. (Univ. of
Professor, UW School of Oceanography and Astrobiology Program
- Micro-scale foraging (via extracellular enzymes) and survival
of marine microorganisms (Bacteria, Archaea, viruses) within
physical support structures (sea ice,
aggregates, sediments), especially as they influence carbon and other
- Cold adaptation in marine microorganisms
to polar geochemistry and ecology (International Northwater Polynya
Canadian Arctic Shelf Exchange Study, CASES; Nansen
Amundsen Basins Observational System, NABOS)
- Limits of microbial life, especially in ice, as they relate to
Astrobiology Program), biotechnology (see genomic
information our model psychrophile at TGIR
web site) and bioremediation (UW
Marine Bioremediation Program)
- Role of benthic bacteria in biogeochemical cycles and
ecosystems, from coastal
- Hydrostatic pressure in
the evolution and ecology
bacteria, especially at very cold (in deep-sea and polar environments)
and hot (at
- Chief Scientist for Leg 5B of the
expedition in the Arctic for CFL,
the Circumpolar Flaw Lead Systems Study, Canada's flagship
International Polar Year (IPY)
- Participant in the ArcticNet 2006 expedition through the
Passage. See some pictures (by
Doug struck, Washington Post) and Washington
Post article. A short video here also
summarizes the 2006 effort.
- Recipient of honorary doctorate from Université Laval,
Quebec City. See some pictures.
- Instructor for the 2005 IARC International Summer School
on Climate Change in the Arctic Ocean via NABOS.
- Participant in the NOAA-Ocean
Exploration collaborative research effort (go to the link
- Served as Chief Scientist for the 2003-2004
overwintering expedition of the Canadian Arctic Shelf Exchange Study
- Chaired the International
Polynya Symposium 2001 in Quebec City in September. See some pictures.
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
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
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,
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,
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
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.
Please contact firstname.lastname@example.org 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
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.
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.
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.
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
Wells, L.E., and J.W. Deming. 2006. Modeled and measured
dynamics of viruses in Arctic winter sea-ice brines. Environ.
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.
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
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.),
Manual Trust, Springer, New York,
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
Huston, A.L., B. Methe, and J.W. Deming. 2004.
Purification, characterization and sequencing of an extracellular
cold-active aminopeptidase produced by marine
psychrerythraea strain 34H.
Junge, K., H. Eicken, and J.W. Deming. 2004. Bacterial
activity at -2 to -20 degrees C in Arctic wintertime sea ice.
Environ. Microbiol. 70:550-557.
Junge, K., J.W. Deming, and H. Eicken. 2003. A
approach to investigate bacteria under in situ conditions in Arctic
ice: Initial comparisons to sea ice. In Bioastronomy 2002: Life
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.
Junge, K., H. Eicken, and J.W. Deming. 2003. Motility of
strain 34H at subzero temperatures. Appl.
Environ. Microbiol. 69:4282-4284.
Wells, L.E., and J.W. Deming. 2003. Abundance of
and Archaea in cold surface-water and nepheloid layers of the Northwest
Passage, Canadian Archipelago. Aquat.
Krembs, C.H. Eicken, K. Junge, and J.W. Deming. 2002.
concentrations of exopolymeric substances in wintertime sea ice:
for the polar ocean carbon cycle and cryoprotection of diatoms.
Rowe, G., A. Lohse, F. Hubbard, G. Boland, E. Escobar Briones, and
Deming. 2002. Preliminary trophodynamic carbon budget for the
Sigsbee Deep benthos, northern Gulf of Mexico. Amer. Fish. Soc.
Huston, A.L., and J.W. Deming. 2002. Relationships
microbial extracellular enzymatic activity and suspended and sinking
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
North Water Polynya Study (NOW): A brief overview. Deep-Sea
Res. II 49:
Junge, K., J.F. Imhoff, J.T. Staley, and J.W. Deming.
Phylogenetic diversity of numerically important bacteria in Arctic sea
Ecol. 43: 315-328.
Deming, J.W. 2002. Psychrophiles and polar
Opinion Microbiol 5(3): 301-309.
Junge, K., C. Krembs, J. Deming, A. Stierle, and H. Eicken.
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,
Wiley-Liss, Inc., New York, pp. 423-438.
Allen, D., A.L. Huston, L.E. Wells, and J.W. Deming.
Biotechnological use of psychrophiles. In G Bitton, ed.,
of Environmental Microbiology, John Wiley & Sons, New York, pp.
Deming, J.W., and J.A. Baross. 2001. Search and
of microbial enzymes from thermally extreme environments in the
In Enzymes in the Environment, R.P. Dick and R.G. Burns, eds., Marcel
Publishers, pp. 327-362.
Deming, J.W., and A.L. Huston. 2000. An Oceanographic
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,
the Netherlands, pp. 149-160.
Huston, A.L., B.B. Krieger-Brockett, and J.W. Deming. 2000.
low temperature optima for extracellular enzyme activity from Arctic
and sea ice.
Deming, J.W., and J.A. Baross. 2000. Survival, dormancy
and non-culturable cells in deep-sea environments. In R.R.
and D.J. Grimes, eds., Non-Culturable Microorganisms in the
ASM Press, Washington, DC, pp 147-197.