RPL-relevant abstracts submitted by RPL team members
Experimental constraints on rates of hydrogen and methane generation in serpentinizing environments.
T. M. McCollom1,
1 Laboratory for Atmospheric and Space Physics, University of Colorado, Boulder, CO 80309-0600, mccollom@lasp.colorado.edu.
The Geobiology that drives a sulfur-dominated glacial spring system found in the Canadian High Arctic.
C. B. Trivedi1, G. E. Lau2, A. S. Templeton2, S. E. Grasby3, & J. R. Spear1,
1Colorado School of Mines (1500 Illinois St., Golden, CO 80401; ctrivedi@mines.edu, jspear@mines.edu), 2University of Colorado Boulder (2200 Colorado Ave., Boulder, CO 80309; astrobiologist3@gmail.com, alexis.templeton@colorado.edu), 3Geological Survey of Canada – Calgary (3303 33 Street Northwest, Calgary, AB, Canada; steve.grasby@canada.ca).
Surface expressions of potentially habitable subsurface environments on Mars: Sulfur alteration features at Borup Fiord Pass.
G. E. Lau1, C. B. Trivedi2, S. E. Grasby3, J. R. Spear2, and A. S. Templeton2,
1University of Colorado Boulder (email: astrobiologist3@gmail.com), 2Colorado School of Mines, 3Geological Survey of Canada
The role of cell membranes in coupled geochemical-bioenergetic modeling.
S. M. Som1,2 and T. M. Hoehler2
1Blue Marble Space Institute of Science (1001 4th ave Suite 3201, Seattle WA 98145
sanjoy@bmsis.org, 2Exobiology Branch, NASA Ames Research Center (MS
239-4, Moffett Field CA 94035 tori.m.hoehler@nasa.gov).
Geologic Constraints On Microbial Dynamics In A Subsurface Serpentinite Ecosystem.
K. R. Rempfert1, H. M. Miller1, N. Bompard2, D. Nothaft1, J. M. Matter2, P. Kelemen3, N. Fierer4 and A. S. Templeton1
1Department of Geo-logical Sciences, University of Colorado, Boulder, CO, USA, 2National Oceanography Centre, University of Southampton, U.K., 3Lamont Doherty Earth Observatory, Columbia University, Palisades, NY, U.S.A., 4Cooperative Institute for Research in Environmental Sciences, University of Colorado, Boulder, CO, U.S.A.
Reactivity of natural and synthetic fe-bearing brucite in serpentinizing systems.
Eric T. Ellison 1 and Alexis S. Templeton 1 ,
1 Dept. of Geological Sciences, University of Colorado –Boulder, 2200 Colorado Ave., Boulder, CO 80309 (eric.ellison@colorado.edu; alexis.templeton@colorado.edu).
Oxygen and the evolution of thermoacidophiles.
D. R. Colman 1 , S. Poudel 1 , T. L. Hamilton 2, J. R. Havig 3 , M. J. Selensky 1 , E.L. Shock 4,5,6 , and E. S. Boyd 1,6 .
1 Department of Microbiology and Immunology, Montana State University, Bozeman, MT 59717, daniel.colman@montana.edu, 2 Department of Biological Sciences, University of Cincinatti, OH 45221, 3 Department of Geology, University of Cincinatti, Cincinatti, OH 45221, 4 School of Molecular Sciences Arizona State University, Tempe, Arizona 82587, 5 School of Earth and Space Exploration, Arizona State University, Tempe, Arizona, 85287, 6 NASA Astrobiology Institute, Mountain View, California 94035
Transitioning metagenomes into interactomes in a chemosynthetic sulfur-based hot spring community.
D. R. Colman 1 , M. R. Lindsay 1 , E. R. Roden 2 , E. S. Boyd 1 .
1 Department of Microbiology and Immunology, Montana State University, Bozeman, MT 59717, 2 Department of Geoscience, University of Wisconsin, Madison WI, 53706
Reductive dissolution of pyrite by methanogens.
L. M. Bueter 1 , C. M. Johnson 2 , B. L. Beard 2 , E.E. Roden 2 , and E.S. Boyd 1
1 Montana State University, Department of Microbiology and Immunology, Bozeman, MT, 2 University of Wisconsin, Department of Geosciences – Madison, WI.
Energy demand, not supply, dictates microbial substrate preference.
M. A. Amenabar1 , E. L. Shock2 , E. E. Roden3 , and E. S. Boyd1.
1 Montana State University - Department of Microbiology and Immunology, Bozeman, MT, 2 Arizona State University - School of Earth & Space Exploration and School of Molecular Sciences, Tempe, AZ, 3 University of Wisconsin - Department of Geosciences, Madison, WI.
Subsurface source and biological fate of hydrogen in hot spring ecosystems.
M. R. Lindsay 1 , K. E. Fristad 2 , M . J. Amenabar 1 , M. R. Urschel 1 , K. M. Fecteau 3 , Randall V. Debes 4 , John R. Spear 5 , T. M. Hoehler 2, 6 , E. L. Shock 3, 4, 6 , and E. S. Boyd 1, 6
1 Montana State University - Department of Microbiology and Immunology, Bozeman, MT, 2 NASA Ames Research Center, Moffett Field, CA, Arizona State University – 3 School of Molecular Sciences, 4 School of Earth and Space Exploration, Tempe, AZ, 5 Department of Civil and Environmental Envineering Colorado School of Mines, Colden, CO, 6 NASA Astrobiology Institute, Mountain View, CA.
LIFE DETECTION IN BASAL ICE FROM THE GREENLAND ICE SHEET: CHALLENGES AND OPPORTUNITES.
W. Li1 , M. L. Skidmore1* , J. E. Dore2 , M. Lindsay3 , G. Steigmeyer1 , P. Tunby1 , and E. S. Boyd3
1Department of Earth Sciences, Montana State University, Bozeman, MT, USA. 2 Department of Land Resources and Environmental Sciences, Montana State University, Bozeman, MT, USA. 3 Department of Microbiology and Immunology, Montana State University, Bozeman, MT, USA. (*skidmore@montana.edu)
MINERAL DEPENDENT CHEMOLITHOTROPHY IN SUBGLACIAL SYSTEMS.
M. L. Skidmore1* , R. Mitchell1 , A. Steigmeyer1 , W. van Gelder1 , E. Dunham2, E. S. Boyd2
1Department of Earth Sciences, Montana State University, Bozeman, MT, USA. 2Department of Microbiology and Immunology, Montana State University, Bozeman, MT, USA. (*skidmore@montana.edu)
Submitted to Session: Seeking Evidence of Habitable Conditions and Life Activity in Serpentinizing Systems
Expression of metabolic pathways in microbial communities from a tropical serpentinizing environment.
K. I. Twing1, M. Crespo-Medina2, W. J. Brazelton3, R. Sanchez-Murillo4 and M. O. Schrenk5
1Dept. of Biology, University of Utah, Salt Lake City, Utah; katrina.twing@utah.edu 2CECIA, Inter-American University of Puerto Rico, San Juan, Puerto Rico; melitzacm@inter.edu 3Dept. of Biology, University of Utah, Salt Lake City, Utah; william.brazelton@utah.edu 4School of Chemistry, National University of Costa Rica, Heredia, Costa Rica; ricardo.sanchez.murillo@una.cr 5Dept. of Earth and Environ. Sciences, Michigan State University, East Lansing, Michigan; schrenkm@msu.edu
Exploration of novel subsurface microbial communities within seafloor mantle rocks.
Shahrzad Motamedi1, William J. Brazelton1, and IODP Expedition 357 Scientific Party,
1Department of Biology, University of Utah
DIVERSITY AND METABOLIC POTENTIAL OF MICROBIAL COMMUNITIES IN A CONTINENTAL SERPENTINITE SPRING.
E. R. Dart1, P. L. Morrill2, and W. J. Brazelton3
1(University of Utah, Department of Biology, emily.dart@utah.edu), 2(Memorial University, Department of Earth Sciences, pmorrill@mun.ca), 3(University of Utah, Department of Biology, william.brazelton@utah.edu)
Submitted to Session: Astrobiology 'Omics'
Approaches for Identifying Subsurface-Specific Taxa in Molecular Sequence Data.
C. N. Thornton1 and W. J. Brazelton1
1Department of Biology, University of Utah
Metagenomic characterization of serpentinization-influenced groundwater collected at the Coast Range Ophiolite Microbial Observatory.
A. J. Hyer1 and W. J. Brazelton1
1University of Utah, Department of Biology, theonehyer@gmail.com
Community composition and metabolic characterization of the bonneville salt flats.
J. M. McGonigle1, E. R. Dart2, B. Kleba3, B. B. Bowen4, and W. J. Brazelton5
1(University of Utah, Department of Biology, j.mcgonigle@biology.utah.edu), 2(University of Utah, Department of Biology, emilyrdart@gmail.com), 3(Westminster College, Department of Biology, bkleba@gmail.com), 4(University of Utah, Department of Geology & Geophysics, brenda.bowen@utah.edu), 5(University of Utah, Department of Biology, william.brazelton@utah.edu)
