B53J:
Understanding Microbial Ecosystems Using Isotope Geochemistry II

Session ID#: 2972

Friday, 19 December 2014: 1:40 PM-3:40 PM
3002 (Moscone West)
Chairs:  Magdalena R Osburn, Northwestern University, Earth and Planetary Sciences, Evanston, IL, United States and James Moran, Pacific Northwest National Laboratory, Richland, WA, United States
Primary Convener:  Magdalena R Osburn, Northwestern University, Earth and Planetary Sciences, Evanston, United States; Northwestern University, Earth and Planetary Sciences, Evanston, IL, United States
Co-Convener:  James Moran, Pacific Northwest National Laboratory, Richland, WA, United States
OSPA Liaison:  James Moran, Pacific Northwest National Laboratory, Richland, WA, United States
Index Terms:

0439 Ecosystems, structure and dynamics [BIOGEOSCIENCES]
0448 Geomicrobiology [BIOGEOSCIENCES]
0454 Isotopic composition and chemistry [BIOGEOSCIENCES]
0465 Microbiology: ecology, physiology and genomics [BIOGEOSCIENCES]
Virtual Option?: No

Abstracts Submitted to this Session:

B53J-01
The ecophysiology of sulfur isotope fractionation by sulfate reducing bacteria in response to variable environmental conditions (Invited) (3638)
William Leavitt1, Alexander S Bradley2, David T Johnston3, Inês A. Cardoso Pereira4, Sofia Venceslau4 and Claire Wallace5, (1)Washington University in St Louis, Earth & Planetary Sciences, St. Louis, United States, (2)Washington University in St. Louis, Department of Earth, Environmental, and Planetary Sciences, St. Louis, United States, (3)Harvard University, Earth and Planetary Sciences, Cambridge, United States, (4)Instituto de Tecnologia Química e Biológica António Xavier, Universidade Nova de Lisboa, Oeiras, Portugal, (5)Washington University in St Louis, St. Louis, MO, United States
B53J-02
The Sulfur Isotope Composition of the Pyrite Burial Flux in the Modern Ocean (20784)
Alexandra v Turchyn1, Gilad Antler1, David J Byrne2 and Xiaole Sun1, (1)University of Cambridge, Department of Earth Sciences, Cambridge, United Kingdom, (2)University of Oxford, Department of Earth Sciences, Oxford, United Kingdom
B53J-03
Single cell visualization of sulfur cycling in intertidal microbial mats (27606)
Katherine Dawson1, Abigail Green1 and Victoria J Orphan2, (1)California Institute of Technology, Pasadena, CA, United States, (2)California Institute of Technology, Division of Geological and Planetary Sciences, Pasadena, United States
B53J-04
Protein Stable Isotope Fingerprinting (P-SIF): A New Tool to Understand Natural Isotopic Heterogeneity of Mixed Microbial Ecosystems (Invited) (5416)
Ann Pearson1, Wiebke Mohr2, Tiantian Tang2, Sarah Sattin2 and Roderick Bovee2, (1)Harvard University, Earth and Planetary Sciences, Cambridge, MA, United States, (2)Harvard University, Cambridge, MA, United States
B53J-05
Effect of Salinity on the Stable Carbon Isotopic Composition of Microbial Mats and Associated Lipid Biomarkers (31788)
Linda L Jahnke, NASA Ames, Moffett Field, CA, United States, Mary N. Parenteau, NASA Ames Research Center, Moffett Field, United States, Michael D. Kubo, SETI Institute, Mountain View, CA, United States and David J Des Marais, NASA Ames Research Center, Exobiology Branch, Moffett Field, CA, United States
B53J-06
The Effects of Trimethylamine and Organic Matter Additions on the Stable Carbon Isotopic Composition of Methane Produced in Hypersaline Microbial Mat Environments (7923)
Cheryl A Kelley1, Brooke E Nicholson1, Claire S Beaudoin1, Angela Detweiler2 and Brad Bebout2, (1)University of Missouri Columbia, Columbia, MO, United States, (2)NASA Ames Research Center, Moffett Field, CA, United States
B53J-08
Heterogeneity of Groundwater Nitrogen Attenuation Elucidated by Combining Isotope Fluxes and Functional Gene Markers (15209)
Naomi S Wells, Helmholtz Centre for Environmental Research UFZ Halle, Halle, Germany, Kay Knoeller, UFZ, Halle, Germany and Uwe Kappelmeyer, Helmholtz Centre for Environmental Research UFZ Leipzig, Environmental Biotechnology, Leipzig, Germany
See more of: Biogeosciences