Jody W. Deming’s Ecosystem

University of Washington, School of Oceanography

Flower

Publications

Recent publications:

(Please contact seashell@u.washington.edu for reprints.)

  • Barber, D.G., J.K. Ehn, M. Pucko, S. Rysgaard, J.W. Deming, J.S. Bowman, T. Papakyriadou, R.J. Galley, and D.H. Søgaard. 2014.
    Frost flowers on young Arctic sea ice: The climatic, chemical and microbial significance of an emerging ice type.   J. Geophys. Res.  Vol:119(20): 11,593-11,612.  doi: 10.1002/2014JD021736.
  • Marcela Ewert & Jody W. Deming. 2014.
    Bacterial responses to fluctuations and extremes in temperature and brine salinity at the surface of Arctic winter sea ice.   FEMS Microbiol. Ecol Epub:1-14, doi: 10.1111/1574-6941.12363.
  • J.S. Bowman, Chris T. Berthiaume, E. Virginia Armbrust and J.W. Deming. 2014.
    The genetic potential for key biogeochemical processes in Arctic frost flowers and young sea ice revealed by metagenomic
    analysis. FEMS Microbiol. Ecol. Epub:1-12, doi:10.1111/1574-6941.12331.
  • C.T.E. Kellogg and J.W. Deming. 2014.
    Particle-associated extracellular enzyme activity and bacterial community composition across the Canadian Arctic Ocean. FEMS Microbiol. Ecol. Epub:1-16, doi:10.1111/1574-6941.12330.
  • M. Ewert, S.D. Carpenter, J. Colangelo-Lillis and J.W. Deming.  2013.
    Bacterial and extracellular polysaccharide content of brine-wetted snow over Arctic winter first-year sea ice.  J. Geophys. Res.:Oceans 118: 1-10, doi:10.1002/jgrc.20055.
  • J.S. Bowman, C. Larose, T.M. Vogel and J.W. Deming. 2013.
    Selective occurrence of Rhizobiales in frost flowers on the surface of young sea ice near Barrow, Alaska and distribution in the polar marine rare biosphere.  Enivron. Micro. Reports 5(4): 575-582, doi:10.1111/1758-2229.12047.
  • R. Eric Collins and Jody W. Deming.  2013. An inter-Order horizontal gene transfer event enables the catabolism of compatible solutes by Colwellia psychrerythraea 34H.  Extremophiles 17(4):  601-610, doi: 10.1007/s00792-013-0543-7
  • Jesse R. Colangelo-Lillis and Jody W. Deming.  2013. Genomic analysis of cold-active Colwelliaphage 9A and psychrophilic phage-host interactions.  Extremophiles 17(1): 9-114, doi:10.1007/s00792-012-0497-1.
  • Bowman, J.S., S. Rasmussen, N. Blom, J.W. Deming, S. Rysgaard, T. Scheritz-Ponten. 2012. Microbial community structure of Arctic multiyear sea ice and surface seawater by 454 sequencing of the 16S rRNA gene. The ISME Journal. 6: 11-20, doi:10.1038/ismej.2011.76.
  • Kellogg, C.T.E., S.D. Carpenter, A.A. Renfro, A. Sallon, C. Michel, J.K. Cochran, and J.W. Deming.  2011. Evidence for microbial attenuation of particle flux in the Amundsen Gulf and Beaufort Sea: Elevated hydrolytic enzyme activity on sinking aggregates.  Special CFL Issue of Polar Biology, 34: 2007-2023, doi:10.1007/s00300-011-1015-0.  [This manuscript includes data generated with support from NSF award no. 0520297, a collaborative project (with Kirk Cochran at SUNY), entitled "Collaborative research on carbon cycling in the circum-Arctic flaw lead-polynya system: A radionuclide and molecular ecological approach."]
  • Forest, A., J.-E. Tremblay, Y. Gratton, J. Martin, J. Gagnon, G. Darnis, M. Sampei, L. Fortier, M. Ardyna, M. Gosselin, H. Hattori, D. Nguyen, R. Maranger, D. Vaqué, C. Marrasé, C. Pedrós-Alió, A. Sallon, C. Michel, C. Kellogg, J. Deming, E. Shadwick, H. Thomas, H. Link, P. Archambault, and D. Piepenburg. 2011. Biogenic carbon flows through the planktonic food web of the Amundsen Gulf (Arctic Ocean): A synthesis of field measurements and inverse modeling analyses. Progr. Oceanogr., 91: 410-436, doi:10.1016/j.pocean.2011.05.002.
  • Rowe, G.T., and J.W. Deming. 2011. An alternative view of the role of heterotrophic microbes in the cycling of organic matter in deep-sea sediments. Mar. Biol. Res., 7(7): 629-636, doi:10.1080/17451000.2011.560269.
  • Krembs, C., J.W. Deming, and H. Eicken. 2011. Exopolymer alteration of physical properties of sea ice and implications for ice habitability and biogeochemistry in a warmer Arctic. US Proc. Natl. Acad. Sci. 108(9):3653–3658.
  • Ewert, M., and J.W. Deming. 2011. Selective retention in saline ice of extracellular polysaccharides produced by the cold-adapted marine bacterium Colwellia psychrerythraea strain 34H. Ann. Glaciol. 52(57):111–117
  • Miller, L.A., T.N. Papakyriakou, R.E. Collins, J.W. Deming, J.K. Ehn, R.W. Macdonald, A. Mucci, O. Owens, M. Raudsepp, and N. Sutherland. 2011. Carbon dynamics in sea ice: A winter flux time series. J. Geophys. Res. 116, C02028, doi:10.1029JC006058.
  • Collins, R.E., and J.W. Deming. 2010. Abundant dissolved genetic material in Arctic sea ice, Part I: Extracellular DNA. Special CFL issue of Polar Biology, 34: 1819-1830, doi:10.1007/s00300-011-1041-y.
  • Collins, R.E., and J.W. Deming. 2010. Abundant dissolved genetic material in Arctic sea ice, Part II: Virus dynamics during autumn freeze-up. Special CFL issue of Polar Biology, 34: 1831-1841, doi:10.1007/s00300-011-1008-z.
  • Wei, C.-L., G.T. Rowe, E. Escobar-Briones, A. Boetius, T. Soltwedel, J. Caley, Y. Soliman, F. Huettmann, F. Qu, Z. Yu, C.R. Pitcher, R.L. Haedrich, M.K. Wicksten, M.A. Rex, J.G. Baguley, J. Sharma, R. Danovaro, I.R. MacDonald, C.C. Nunnally, J.W. Deming, P. Montagna, M. Lévesque, J.M. Weslawski, M. Wlodarska-Kowalczuk, B.S. Ingole, B.J. Bett, A. Yool, B.A. Bluhm, K. Iken, and B.E.Narayanaswamy. 2010. Global patterns and predictions of seafloor biomass using random forests. PLoS One 5(12):e15323.
  • Deming, J.W. 2010. Sea ice bacteria and viruses. In Sea Ice - An Introduction to its Physics, Chemistry, Biology and Geology, Second Edition, D.N. Thomas, and G.S. Dieckmann, eds, Blackwell Science Ltd, Oxford, pp. 247–282.
  • Bowman, J.S., and J.W. Deming. 2010. Elevated bacterial abundance and exopolymers in saline frost flowers and implications for atmospheric chemistry and microbial dispersal. J. Geophys. Lett. 37, L13501, doi:10.1029/2010GL043020.
  • Collins, R.E., G. Rocap, and J.W. Deming. 2010. Persistence of bacterial and archaeal communities in sea ice through an Arctic winter. Environ. Microbiol. 12(7):1828–1841.
  • Kellogg, C.T.E., and J.W. Deming. 2009. Comparison of free-living, particle- and aggregate-associated Archaeal and Bacterial diversity in the Laptev Sea. Aquat. Microb. Ecol. 57: 1-18, doi: 10.3354/ame01317. [This manuscript includes data generated with support from NSF award no. 0520297, a collaborative project (with Kirk Cochran at SUNY), entitled "Collaborative research on carbon cycling in the circum-Arctic flaw lead-polynya system: A radionuclide and molecular ecological approach."]
  • Deming, J.W. 2009. Extremophiles: Cold environments. In Encyclopedia of Microbiology, M. Schaechter, ed., Elsevier, Oxford, pp. 147–158.
  • Marx, J.G., S.D. Carpenter and J.W. Deming. 2009. Production of cryoprotectant extracellular polysaccharide substances (EPS) by the marine psychrophilic bacterium Colwellia psychrerythraea strain 34H under extreme conditions. Can. J. Microbiol. 55:63–72, doi: 10.1139/W08-130.
  • Rowe, G.T., W. Chihlin, C. Nunnally, R. Haedrich, P. Montagna, J.G. Baguley, J.M. Bernhard, M. Wicksten, A. Ammons, E.G. Escobar Briones, Y. Soliman and J.W. Deming. 2008. Comparative biomass structure and estimated carbon flow in food webs in the deep Gulf of Mexico. Deep-Sea Res. Part II 55:2699–2711, doi: 10.1016/j.dsr2.2008.07.020.
  • Collins, R.E., S.D. Carpenter, and J.W. Deming. 2008. Spatial heterogeneity and temporal dynamics of particles, bacteria, and pEPS in Arctic winter sea ice. J. Mar. Systems 74: 902–917. doi: 10.1016/j.jmarsys.2007.09.005.
  • Deming, J.W., and S.D. Carpenter. 2008. Factors influencing benthic bacterial abundance, biomass and activity on the northern continental slope of the Gulf of Mexico. Deep-Sea Res. Part II 55: 2597-2606. doi: 10.1016/j.dsr2.2008.07.009.
  • Krembs, C., and J.W. Deming. 2008. 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, pp. 247-264.
  • 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. 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. doi: 10.1016/j.marpolbul.2006.04.009.
  • 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. doi: 10.3354/ame045015.
  • 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. doi:10.3354/ame045031.
  • 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). doi: 10.3354/meps317001.
  • 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. doi:10.3354/ame043209.
  • 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. doi: 10.1016/j.cryobiol.2006.03.002. PMID: 16647051.
  • 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. doi: 10.1111/j.14622920.2006.00984.x. PMID: 16689732.
  • 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. doi: 10.1073/pnas.0504766102. PMID: 16043709.
  • 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. doi: 10.1021/es040427w.
  • 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. doi: 10.1128/AEM.70.6.3321-3328.2004. PMID: 15184127.
  • 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. doi: 10.1128/AEM.70.1.550-557.2004.
  • 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. doi: 10.1016/S0967-0637(03)00127-4.
  • Junge, K., H. Eicken, and J.W. Deming. 2003. Motility of Colwellia psychrerythraea strain 34H at subzero temperatures. Appl. Environ. Microbiol. 69:4282-4284. doi: 10.1128/AEM.69.7.4282-4284.2003.
  • 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. doi: 10.3354/ame031019.
  • 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. doi: 10.1016/S0967-0637(02)00122-X.
  • 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. doi:10.1016/S0967-0645(02)00186-8.
  • 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. doi: 10.1016/S0967-0645(02)00168-6.
  • 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. doi: 10.1007/s00248-001-1026-4.
  • Deming, J.W. 2002. Psychrophiles and polar regions. Current Opinion Microbiol 5(3): 301-309. doi: 10.1016/S1369-5274(02)00329-6. PMID: 12057685.
  • 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. doi: 10.3189/172756401781818275.
  • 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. doi: 10.1046/j.1462-2920.2000.00118.x. PMID: 11234926.
  • 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.

Examples of recent talks and posters:

  • Deming, J.W. 2010. Of ice and microbes in a rapidly changing Arctic Ocean. Special Session, Ecology of Cold Habitats, 13th International Symposium on Microbial Ecology, 22–27 August, Seattle (invited talk).
  • Colangelo-Lillis, J., and J.W. Deming. 2010. The cold-active molecular character of Colwellia psychrerythraea strain 34H phage 9A. ISME13, 13th International Symposium on Microbial Ecology, 22–27 August, Seattle.
  • Colangelo-Lillis, J., H. Eicken, and J.W. Deming. 2010. Abundant microbes and viruses detected in subzero brine layers within Alaskan permafrost. Abstract, ASLO Ocean Sciences Meeting, 22–26 February, Portland, OR (withdrawn due to fieldwork conflict).
  • Kellogg, C.T.E., S.D. Carpenter, and J.W. Deming. 2010. Microbial community structure and hydrolytic enzyme activity on different size fractions of particulate matter in Arctic polynyas. Abstract, ASLO Ocean Sciences Meeting, 22–26 February, Portland, OR.
  • Collins, R.E., and J.W. Deming. 2010. The potential for horizontal gene transfer in sea ice. AbSciCon, 26–29 April, League City, Texas.
  • Deming, J.W. 2010. The power of being small: Bacteria, Archaea and viruses in sea ice. International Symposium on Sea Ice, 31 May–4 June, Tromso, Norway (invited talk).
  • Ewert, M. and J.W. Deming. 2010. Selective retention in saline ice of extracellular polysaccharides produced by the cold-adapted marine bacterium Colwellia psychrerythraea strain 34H. International Symposium on Sea Ice, 31 May–4 June, Tromso, Norway.
  • Collins, R.E., and J.W. Deming. 2010. Microbial evolution and the potential for horizontal gene transfer in sea ice. IPY Oslo Science Conference 2010, 8–12 June, Oslo, Norway (invited talk).
  • Kellogg, C.T.E., S.D. Carpenter, and J.W. Deming. 2010. Investigating microbial communities on particles in two Arctic polynyas: Does terrestrial input affect community structure and hydrolytic activity? IPY Oslo Science Conference 2010, 8–12 June, Oslo, Norway.
  • Colangelo-Lillis, J., and J.W. Deming. 2010. The cold-active molecular character of Colwellia psychrerythraea strain 34H phage 9A. First International Congress on the Viruses of Microbes, 22–25 June, Paris, France.
  • Barber, D.G., C.J. Mundy, T. Papakyriakou, R. Macdonald, Y. Gratton, L. Fortier, M. Gosselin, J. Hanesiak, J. Tremblay, S. Ferguson, G. Stern, S. Meakin, J. Deming, and M. Pucko. 2010. The International Polar Year (IPY) – Circumpolar Flaw Lead (CFL) system study: an overview and update. IPY Oslo Science Conference 2010, 8–12 June, Oslo, Norway (invited talk).
  • Deming, J.W., J.S. Bowman, M. Ewert, and R.E. Collins. 2010. Airing the implications of finding microbes in frost flowers. IPY Oslo Science Conference 2010, 8–12 June, Oslo, Norway.
  • Deming, J.W. 2009. Microbial evolution in a frozen ocean. Special Session, Evolution in Extreme Environments, National Association of Biology Teachers (NABT) professional development conference, 13 November, Denver, Colorado (invited).
  • Deming, J.W. 2009. Suspended versus advecting aggregates: the interplay between microbes, hydrolytic enzymes, exopolymers and viruses. CONFLUX workshop, Vertical Flux Regulation in the Upper Twilight Zone, Motovum (Istria), Croatia, 17-22 October (invited).
  • Deming, J.W. 2009. Arctic Winter Sea Ice: Frozen Museum or Evolutionary Playground? Special Session on Darwin at the Poles, 2009 SACNAS National Conference, Advancing Hispanics/Chicanos & Native Americans in Science, Improving the Human Condition: Challenges for Interdisciplinary Science, October 15-16, Dallas, Texas (invited).
  • Deming, J.W. 2009. Ice as an evolutionary playground, here and beyond. Kane Hall Public Lecture Series on Life and the Universe, UW Astrobiology Program, 17 November.
  • Bowman, J.S., and J.W. Deming. 2009. Elevated bacterial abundance in laboratory-grown and naturally occurring frost flowers under late winter conditions. Abstrace, AGU Fall Meeting 14–18 December, San Francisco.
  • Barber, D.G., CJ. Mundy, T. Papakyriakou, R. Macdonald, T. Gratton, L. Fortier, M. Gosselin, J. Hanesiak, J. Tremblay, S. Ferguson, G. Stern, S. Meakin, J. Deming, and D. Leitch. 2009. The International Polar Year (IPY) Circumpolar Flaw Lead (CFL) system study: a focus on fast ice edge systems. Abstract, AGU Fall Meeting, 14–18 December, San Francisco.
  • Deming, J.W. 2009. The microbial wonders of winter sea ice. Symposium on Polar Microbiology, Annual Meeting, Canadian Society of Microbiologists, Concordia University, Montreal, 15-18 June 2009 (invited).
  • Deming, J.W. 2009. Introduction to the icy interface between ocean and atmosphere. Gordon Research Conference, Polar Marine Sciences, Lucca (Barga), Italy, 15-20 March (invited).
  • Ewert Sarmiento, M., and J.W. Deming. 2009. Cultivation of microbial extremophiles from winter sea ice and frost flowers. Abstract, International CFL-IPY Workshop, 1–4 November, Winnipeg, Manitoba.
  • Deming, J.W. 2009. Colwellia psychrerythraea strain 34H: a model organism for studying bacterial heterotrophy in the cold. ASLO Aquatic Sciences Meeting, Nice, France, 25-30 January.
  • Cochran, J.K., C.T.E. Kellogg, S.D. Carpenter, J.W. Deming, A. Renfro, D.J. Hirschberg, and S. Hoffman. 2009. 234Th-derived particulate organic carbon (POC) fluxes and microbial extracellular enzyme activity in Arctic polynyas. ASLO Aquatic Sciences Meeting, Nice, France, 25–30 January.
  • Kellogg, C.T.E., S.D. Carpenter, J. W. Deming, A. Renfro, D.J. Hirschberg, and J.K. Cochran. 2009. On the role of extracellular hydrolytic enzyme activity in attentuating fluxes of particulate organic matter in the Beaufort Sea. Abstract, International CFL-IPY Workshop, 1–4 November, Winnipeg, Manitoba.
  • Deming, J.W. 2008. Changes in the Nares Strait region: Implications to downstream exosystems. International Nares Strait Workshop, International Space Sciences Institute (ISSI), Bern, Switzerland, Feb 27–29.
  • Deming, J.W., M. Ewert Sarmiento, R.E. Collins, and M. Lin. 2008. Winter frost flowers on sea ice: vectors for upward transport of microbes and viruses? Arctic Change 2008, Quebec City Canada, 9–12 December.
  • Cochran, J.K., C.T.E. Kellogg, J.W. Deming, S.D. Carpenter, A. Renfro, D.J. Hirschberg, and S. Hoffman. 2008. 234Th-derived particulate organic carbon (POC) fluxes and microbial extracellular enzyme activity in Arctic polynyas. Arctic Change 2008, Quebec City, Canada, 9–12 December.
  • Ewert Sarmiento, M., and J. W. Deming. 2008. Natural microbial exopolymers: ice affinity and consequent habitat alteration in cold saline ice formations. AbSciCon 2008, Santa Clara, April 14–17, Astrobiology. Astrobiology. APril 1, 2008, 8(2):476–485.
  • Collins, R.E., and J.W. Deming. 2008. First year sea ice as a potential hot spot for lateral gene transfer. Astrobiology Session, Third International Conference on Alpine and Polar Microbiology, Banff, 11–16 May.
  • Deming, J.W. 2008. Microbes, exopolymers, and unusual forms of ice. Astrobiology Session, Third International Conference on Alpine and Polar Microbiology, Banff, 11–16 May.
  • Deming, J.W. 2008. Advecting aggregates as a potential source of microbes, hydrolytic enzymes, exopolymers and viruses in the bathypelagic zone. First IMBER IMBIZO, Integrating Biogeochemistry and Ecosystems in a Changing Ocean, Miami, 9–13 November.
  • Bowman, J.S., and J.W. Deming. 2008. Microbial responses to sea ice conditions encountered during an Arctic winter. IMPETUS 2008: Techniques in Polar and Ocean Observation and Monitoring, St. Petersburg, Russia, 19–22 November.
  • Colangelo-Lillis, J., and J. Deming. 2008. Viral agents of horizontal gene transfer between microbes in subzero ice formations. IMPETUS 2008: Technique in Polar and Ocean Observation and Monitoring, St. Petersburg, Russia, 19–22 November.
  • Barber, D.G., M. Asplin, J. Deming, S. Ferguson, L. Fortier, M. Gosselin, Y. Gratton, J. Hanesiak, S. Meakin, CJ. Mundy, T. Papakyriakou, J.E. Tremblay, and G. Stern. 2008. An overview of physical and biological responses to sustained decreases of sea ice in the Southern Beaufort Sea: Experiences from the IPY-CFL project. EOS Trans AGU, 89(53), Fall Meeting Suppl., Abstract C53A-04 (invited talk).
  • Barber, D.G., T. Papakyriakou, Y. Gratton, L. Fortier, M. Gosselin, J. Hanesiak, J. Tremblay, S. Ferguson, G. Stern, S. Meakin, J. Deming, and D. Leitch. 2008. The International Polar Year (IPY) CIrcumpolar Flaw Lead (CFL) system study. EOS Trans AGU, 89(53), Fall Meeting Suppl, Abstract U23F-02 (invited talk).
  • 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.
  • 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 theInternational 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.