Understanding Microbial Ecosystems Using Isotope Geochemistry I Posters

Friday, 19 December 2014: 8:00 AM-12:20 PM
Chairs:  Magdalena R Osburn, Northwestern University, Evanston, IL, United States and James Moran, Pacific Northwest National Laboratory, Richland, WA, United States
Primary Conveners:  Magdalena R Osburn, Caltech-GPS, Pasadena, CA, United States; Northwestern University, Evanston, IL, United States
Co-conveners:  James Moran, Pacific Northwest National Laboratory, Richland, WA, United States
OSPA Liaisons:  James Moran, Pacific Northwest National Laboratory, Richland, WA, United States

Abstracts Submitted to this Session:

Evaluating the role of transhydrogenases in lipid D/H ratios
Alexander S Bradley, William Leavitt, Claire Wallace and Melanie Suess, Washington University in St Louis, St. Louis, MO, United States
Insights into Microbial Mats and Possible Stromatolite Formation from Little Hot Creek, California
Danielle Niu1, Emily R. Ciscato2, Gareth George Trubl3, José Q. García-Maldonado4, William Berelson5, Hope Johnson6, Bradley S. Stevenson7, Blake W. Stamps7, Frank A Corsetti5 and John R Spear8, (1)Dartmouth College, Hanover, NH, United States, (2)ETH Zurich, Zurich, Switzerland, (3)University of Arizona, Tucson, AZ, United States, (4)Northwestern Center for Biological Research (CIBNOR), La Paz, Mexico, (5)University of Southern California, Los Angeles, CA, United States, (6)California State University Fullerton, Fullerton, CA, United States, (7)University of Oklahoma Norman Campus, Norman, OK, United States, (8)Colorado School of Mines, Golden, CO, United States
A unique isotopic fingerprint during sulfate-driven anaerobic oxidation of methane
Gilad Antler, University of Cambridge, Department of Earth Sciences, Cambridge, United Kingdom, Alexandra v Turchyn, University of Cambridge, Cambridge, United Kingdom, Barak Herut, Israel Oceanographic and Limnological Research, Haifa, Israel and Orit Sivan, Ben Gurion University, Beer Sheva, 84105, Israel
Comparison of Two Techniques to Calculate Methane Oxidation rates in Samples Obtained From the Hudson Canyon Seep Field in the North Atlantic
Mihai Leonte1, John D Kessler1, Alexandre Chepigin1, Matthias Y Kellermann2, Eleanor Arrington2, David L Valentine2 and Sean Sylva3, (1)University of Rochester, Rochester, NY, United States, (2)University of California Santa Barbara, Santa Barbara, CA, United States, (3)Woods Hole Science Center Woods Hole, Woods Hole, MA, United States
Isotopic evidence for complex microbial ecosystems in the phosphate-rich interval of the Miocene Monterey Formation
Bethany Purdin Theiling, Jet Propulsion Laboratory, Pasadena, CA, United States and Max L Coleman, NASA Jet Propulsion Laboratory, Pasadena, CA, United States
Detangling the Web of Sulfur Metabolisms in Santa Barbara Basin with High-Resolution δ34S and Genomic Profiles
Morgan R Raven1, Jess F Adkins1, Alex L Sessions1, Katherine Dawson1, Stephanie A Connon2 and Victoria J Orphan1, (1)California Institute of Technology, Pasadena, CA, United States, (2)Caltech, Pasadena, CA, United States
Determining the N and O isotope effects of microbial nitrite reduction: the global N cycle implications of an enzyme-dependent isotope effect
Taylor Sparks Martin, Stanford University, Stanford, CA, United States and Karen L Casciotti, Stanford University, Los Altos Hills, CA, United States
Chromium Isotope Behaviour During Aerobic Microbial Reduction Activities
Qiong Zhang, Ken Amor, Donald Porcelli and Ian Thompson, University of Oxford, Oxford, United Kingdom
Evidence of Chlorobenzene Natural Attenuation in Contaminated Sediments Using Compound Specific Isotope Analysis and High Resolution Pore Water Sampling
Elodie Passeport1, Richard Landis2, Georges Lacrampe Couloume1, Edward J Lutz2, E. Erin Mack2, Kathryn West3 and Barbara Sherwood Lollar1, (1)University of Toronto, Toronto, ON, Canada, (2)Dupont Corporate Remediation Group, Wilmington, DE, United States, (3)URS group, Newark, DE, United States
Characterization of Growing Soil Bacterial Communities across a pH gradient Using H218O DNA-Stable Isotope Probing
Amy T Welty-Bernard, INRA National Institute of Agricultural Research, Dijon, France and Egbert Schwartz, Northern Arizona University, Center for Ecosystem Science and Society, Flagstaff, AZ, United States
A Combined Molecular and Isotopic Study of Anoxygenic Photosynthesis in Meromictic Lakes of the Northwestern United States
James Howard Harris IV1, William Gilhooly III1, Edward J Crane III2, Byron Steinman3 and Marlie Rebecca Shelton2, (1)Indiana University Purdue University Indianapolis, Indianapolis, IN, United States, (2)Pomona College, Earth Sciences, Claremont, CA, United States, (3)University of Minnesota Duluth, Earth Sciences, Duluth, MN, United States
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