John Baross

John A. Baross, Ph.D. (Univ. of Washington), Professor

Thermophilic microorganisms from volcanic environments, the origin and evolution of life and life on other planets and moons, and microbial ecology of the Columbia River estuary.


Baross, J.A. and M. Summit (submitted) Hydrostatic pressure effects on hyperthermophilic enzyme stability at high temperatures. In Methods in Enzymology. Academic Press.

Baross, J.A., J.F. Holden and M. Summit (submitted) New deep-sea volcanic eruptions: Windows into the subseafloor biosphere? FEMS Microbiological Reviews.

Crump, B.C. and J.A. Baross (submitted) Archaeaplankton in the Columbia River estuary and adjacent coastal ocean. Applied and Environmental Microbiology.

Crump, B.C. and J.A. Baross (submitted) Characterization of the bacterially active particle fraction in the Columbia River estuary. Marine Ecology-Progress Series.

Kaye, J. and J.A. Baross (submitted) Isolation of halotolerant bacteria supports models of a subsurface brine biotope in deep-sea hydrothermal-vent systems. FEMS Microbiology Ecology.

Holden, J.F., A.M. Hutchins, M.W.W. Adams and J.A. Baross (submitted) In vivo stability of cytosolic enzymes during heat shock in the hyperthermophilic archaeon Pyrococcus sp. strain ES4. Journal of Bacteriology.

Summit, M., A. Peacock, D. Ringelberg, D.C. White and J.A. Baross (submitted) Estimation of microbial biomass and community composition in hot, hydrothermally influenced sediments from Middle Valley, Juan de Fuca Ridge. Proceedings of the Ocean Drilling Program, Scientific Results, Leg 169.

Crump, B.C., E.V. Armbrust and J.A. Baross (in press) Phylogenetic analysis of particle-attached and free-living bacterial communities in the Columbia River estuary and adjacent coastal ocean. Applied and Environmental Microbiology.

Holden, J.F., M.W.W. Adams and J.A. Baross (in press) Heat-shock response in hyperthermophilic microorganisms. In Stress Genes: Role in Physiological Ecology, Proceedings of the 8th International Symposium on Microbial Ecology.

Baross, J.A. (1998) Do the geological and geochemical records of the early earth support the prediction from global phylogenetic models of a thermophilic cenancestor? In Wiegel, J. and M. Adams (eds.) Thermophiles: The Keys to Molecular Evolution and the Origin of Life: 3-18. Taylor and Francis, London.

Baross, J.A. (1998) Hydrothermal vents - thermophiles and hyperthermophiles. McGraw-Hill Yearbook of Science and Technology: 180-183. McGraw-Hill, NY.

Baross, J.A. (1998) Living on the edge, a review of the journal Extremophiles. Nature 395: 136.

Deming, J.W. and J.A. Baross (1998) Survival, dormancy and non-culturable cells in deep-sea environments. In Colwell, R.R. and D.J. Grimes (eds.) Non-Culturable Microorganisms in the Environment. Chapman and Hall, NY.

Summit, M. and J.A. Baross (1998) Thermophilic subseafloor microorganisms from the 1996 North Gorda Ridge eruption. Deep-Sea Research II 45: 2751-2766.

Crump, B.C., J.A. Baross and C.A. Simenstad (1998) Dominance of particle-attached bacteria in the Columbia River estuary. Aquatic Microbial Ecology 14: 7-18.

Holden, J.F., M. Summit and J.A. Baross (1998) Thermophilic and hyperthermophilic microorganisms in 3-30 degrees C hydrothermal fluids following a deep-sea volcanic eruption. FEMS Microbiology Ecology 25: 33-41.

Summit, M., B. Scott, K. Nielson, E. Mathur and J. Baross (1998) Pressure enhanced thermal stability of DNA polymerase from three thermophilic organisms. Extremophiles 2: 339-345.

Task Group on Sample Return from Small Solar System Bodies (L. Orgel, Chair, M. A'Hearn, J. Bada, J. Baross, et al.) (1998) Evaluating the Biological Potential in Samples Returned from Planetary Satellites and Small Solar System Bodies, 100 pp. National Academy Press, Washington, D.C.

Delaney, J.R., D.S. Kelley, M.D. Lilley, D.A. Butterfield, J.A. Baross, W.S.D. Wilcock, R.W. Embley and M. Summit (1998) The quantum event of oceanic crustal accretion: Impacts of diking at mid-ocean ridges. Science 281: 222–230.

Prahl, F.G., L.F. Small, B.A. Sullivan, J. Cordell, C.A. Simenstad, B.C. Crump and J.A. Baross (1998) Biogeochemical gradients in the lower Columbia River. Hydrobiologia 361: 37-52.

Hopkinson, C., I. Buffman, J. Hobbie, J. Vallino, M. Perdue, B. Eversmeyer, F. Prahl, J. Covert, R. Hodson, M. A. Moran, E. Smith, J. Baross, et al. (1998) Terrestrial inputs of organic matter to coastal ecosystems: An intercomparison of chemical characteristics and bioavailability. Biogeochemistry 43: 211-234.

Baross, J.A., M. Summit and J.F. Holden (1997) Is there a microbial biosphere in the subsurface? JOI/USSAC Newsletter 10: 8-11.

Delaney, J.R., D.S. Kelley, M.D. Lilley, D.A. Butterfield, R.E. McDuff, J.A. Baross, J.W. Deming, H.P. Johnson and V. Robigou (1997) The Endeavour Hydrothermal System I: Cellular circulation above an active cracking front yields large sulfide structures, "fresh" vent water, and hyperthermophilic archaea. RIDGE Events 8: 11–19.

Wang, C.L., P.C. Michels, S.C. Dawson, S. Kitisakkul, J.A. Baross, et al. (1997) Cadmium removal by a new strain of Pseudomonas aeruginosa in aerobic culture. Applied and Environmental Microbiology 63: 4075-4078.