B23H:
Investigating Biological Processes: Insights from New Stable Isotope Methods II

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Session ID#: 15256

Session Description:
This session will bring together biogeochemists, ecologists, atmospheric scientists and paleoclimatologists using isotopologue, isotopomer or clumped isotope signatures of organic molecules to track biochemical and physiological processes in biotic (plants, microbes, and algae) and abiotic (soil, sediment, water, and aerosol) samples across different scales. We encourage people working with all techniques (MS-, NMR- or spectroscopy-based) to present methods and applications on biologically or biogeochemically interesting molecules. This session will offer an overview of what proxies are available and what information can be extracted from them. This session will also provide an opportunity for method and proxy developers to present their researches to scientists eager to use new tools to investigate biological processes such element allocations, plant responses to environmental changes, and ecosystem functioning, opening a dialogue that will enhance insight into the current and the next-generation of cutting-edge techniques to study the Earth system.
Primary Convener:  Dr. Marc-Andre Cormier, ETH Swiss Federal Institute of Technology Zurich, Environmental Systems Science, Zürich, Switzerland
Conveners:  Marco Marius Lehmann, Paul Scherrer Institute, Laboratory of Atmospheric Chemistry, Villingen, Switzerland, Jürgen Schleucher, Umeå University, Medical Biochemistry and Biophysics, Umeå, Sweden and Matthias Saurer, Paul Scherrer Institute, Laboratory of Atmospheric Chemistry, 5232 Villigen, Switzerland
Chairs:  Dr. Marc-Andre Cormier, ETH Swiss Federal Institute of Technology Zurich, Environmental Systems Science, Zürich, Switzerland and Marco Marius Lehmann, Paul Scherrer Institute, Laboratory of Atmospheric Chemistry, Villingen, Switzerland
OSPA Liaison:  Marco Marius Lehmann, Paul Scherrer Institute, Laboratory of Atmospheric Chemistry, Villingen, Switzerland

Cross-Listed:
  • PP - Paleoceanography and Paleoclimatology
Index Terms:

0452 Instruments and techniques [BIOGEOSCIENCES]
0454 Isotopic composition and chemistry [BIOGEOSCIENCES]
0473 Paleoclimatology and paleoceanography [BIOGEOSCIENCES]
0476 Plant ecology [BIOGEOSCIENCES]

Abstracts Submitted to this Session:

News and views from compound specific isotope ratios (Invited) (134770)
Gerd Gleixner, Max Planck Institute for Biogeochemistry, Department Biogeochemical Processes, Jena, Germany
Metabolite recycling and bidirectional C fluxes: Revolutionizing our view on microbial C cycling in soils (191213)
Michaela Anna Dippold, Department of Biogeochemistry of Agroecosystems, University of Göttingen, Göttingen, Germany, Carolin Apostel, Georg-August-Universitaet Goettingen, Goettingen, Germany and Yakov Kuzyakov, Georg-August-Universitaet Goettingen, Department of Agricultural Soil Science, Goettingen, Germany
Towards improved quantification of internal diffusion resistances and CO2 isotope exchange in leaves (190261)
Jason B West1, Jerome Ogee2, Régis Burlett2, Teresa Gimeno3, Bernard Genty4, Samuel Jones3, Steven Wohl3, Alexandre Bosc5, Yann Cochet3, Jean-Christophe Domec6 and Lisa Wingate3, (1)Texas A&M University, Ecosystem Science and Management, College Station, TX, United States, (2)INRA Institut National de la Recherche Agronomique, Paris Cedex 07, France, (3)INRA Bordeaux-Aquitaine, Villenave d'Ornon Cedex, France, (4)Cnrs/CEA/Aix-Marseille University, UMR6191 BVME, Saint-Paul-lez-Durance, France, (5)INRA Bordeaux-Aquitaine, Cestas-Gazinet, France, (6)Duke University, Nicholas School of the Environment, Durham, United States
Recent insights into intramolecular 13C isotope composition of biomolecules (Invited) (130166)
Alexis Gilbert1, Keita Yamada2, Maxime Julien3, Naohiro Yoshida4, Gerald Remaud3 and Richard Robins3, (1)Tokyo Institute of Technology, Earth-Life Science Institute, Tokyo, Japan, (2)Tokyo Institute of Technology, School of Materials and Chemical Technology, Tokyo, Japan, (3)University of Nantes, Nantes, France, (4)Tokyo Institute of Technology, Dept. of Chemical Science and Engineering, and Earth-Life Science Institute, Tokyo, Japan
Steps toward identifying a biogeochemical signal in non-equilibrium methane clumped isotope measurements (135799)
Peter Munroe Douglas1, John M Eiler2, Alex L Sessions3, Katherine Dawson3, Katey M Walter Anthony4, Derek A Smith5, Max K Lloyd6 and Ella Yanay7, (1)McGill University, Earth and Planetary Sciences, Montreal, Canada, (2)California Institute of Technology, Division of Geological and Planetary Sciences, Pasadena, CA, United States, (3)California Institute of Technology, Division of Geological and Planetary Sciences, Pasadena, United States, (4)University of Alaska Fairbanks, Water and Environmental Research Center, Fairbanks, AK, United States, (5)Washington University in St Louis, St. Louis, MO, United States, (6)Pennsylvania State University Main Campus, Department of Geosciences, University Park, United States, (7)California Institute of Technology, Pasadena, CA, United States
The Relative Abundances of Resolved 12CH2D2 and 13CH3D and Mechanisms Controlling Isotopic Bond Ordering in Abiotic and Biotic Methane Gases (165003)
Edward D Young1, Issaku E Kohl1, Barbara Sherwood Lollar2, Giuseppe Etiope3, Douglas Rumble4, Shuning Li5, Mojhgan A Haghnegahdar6, Edwin A Schauble1, Kaitlyn McCain1, Dionysis I Foustoukos4, Chelsea N Sutcliffe7, Oliver Warr8, Chris J. Ballentine9, Tullis C Onstott10, Hakan Hosgormez11, Anna Neubeck12, J.M. Marques13, Ileana M. Perez-Rodriguez14, Annette R Rowe15, Douglas LaRowe16, Cara Magnabosco17 and Taras Bryndzia18, (1)University of California Los Angeles, Los Angeles, CA, United States, (2)University of Toronto, Earth Sciences, Toronto, ON, Canada, (3)National Institute of Geophysics and Volcanology, Rome, Italy, (4)Carnegie Inst Washington, Washington, DC, United States, (5)Johns Hopkins University, Baltimore, MD, United States, (6)University of Maryland College Park, Department of Geology, College Park, United States, (7)University of Toronto, Toronto, ON, Canada, (8)University of Toronto, Department of Earth Sciences, Toronto, ON, Canada, (9)University of Oxford, Department of Earth Sciences, Oxford, United Kingdom, (10)Princeton University, Department of Geosciences, Princeton, NJ, United States, (11)Istanbul University, Istanbul, Turkey, (12)Stockholm University, Stockholm, Sweden, (13)Universidade de Lisboa, Lisboa, Portugal, (14)Carnegie Institution for Science Washington, Washington, DC, United States, (15)University of Southern California, Los Angeles, CA, United States, (16)Southern Methodist University, Department of Earth Sciences, Dallas, United States, (17)Simons Foundation, Flatiron Institute Center for Computational Biology, New York, NY, United States, (18)Shell International Exploration and Production, Inc., Houston, TX, United States
Isoscapes of the Sierra Nevada, California: Inferences from Landscape Patterns of Carbon, Nitrogen and Hydrogen in Lakes and Their Watersheds (152683)
James O Sickman, University of California, Riverside, Department of Environmental Sciences, Riverside, CA, United States, Steven Sadro, University of California Davis, Davis, CA, United States and Delores M Lucero, University of California Riverside, Riverside, CA, United States

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