B13J:
Integrating Biogeochemical and Microbiological Approaches to Understand Ecosystem Processes and Responses to Environmental Change III

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Session ID#: 15531

Session Description:
Microbes play a critical role in regulating biogeochemical cycles. How these processes respond and feedback to climate change and disturbance is widely debated. Biogeochemical methods focus on nutrient pools and fluxes while microbial ecological advances focus on community physiology, traits and structure. A cross-disciplinary approach is integral to understanding how to include microbe-mediated processes in large-scale ecosystem models. How do individual microbial traits influence community stability and response to disturbances? How does microbial community structure change across gradients and influence plant dynamics? How can we use this information to predict large-scale fluctuations in soil carbon and nutrient storage? Advances in molecular and genetic methods inform understanding of how microbial processes influence ecosystem scale cycles, and create questions about the level of detail appropriate to best predict environmental response to change. This session invites cross-disciplinary studies that investigate microbial-driven responses to disturbance, climate change and across environmental gradients.
Primary Convener:  Noelle J Espinosa, University of Arizona, Tucson, AZ, United States
Conveners:  Martha Farella, Stantec Consulting Ltd, Phoenix, United States, Dawson Fairbanks, University of Arizona, Tucson, AZ, United States and Rachel E Gallery, University of Arizona, School of Natural Resources and the Environment, Tucson, United States
Chairs:  Karen G Lloyd, University of Tennessee, Microbiology, Knoxville, United States and Brett Baker, University of Texas at Austin, Austin, TX, United States
OSPA Liaison:  Martha Farella, Stantec Consulting Ltd, Phoenix, United States
Index Terms:

0414 Biogeochemical cycles, processes, and modeling [BIOGEOSCIENCES]
0439 Ecosystems, structure and dynamics [BIOGEOSCIENCES]
0465 Microbiology: ecology, physiology and genomics [BIOGEOSCIENCES]
0470 Nutrients and nutrient cycling [BIOGEOSCIENCES]

Abstracts Submitted to this Session:

HOW UNCULTIVATED OCEAN VIRUSES IMPACT GLOBAL BIOGEOCHEMISTRY (193229)
Matthew B Sullivan, Ohio State University Main Campus, Microbiology and Civil, Environmental and Geodetic Engineering, Columbus, United States
Metagenomic Assessment of a Dynamic Microbial Population from Subseafloor Aquifer Fluids in the Cold, Oxygenated Crust (185305)
Benjamin J Tully, University of Southern California, Center for Dark Energy Biosphere Investigations, Los Angeles, CA, United States, John F Heidelberg, University of Southern California, Marine Environmental Biology, Los Angeles, CA, United States, Beate Kraft, Harvard University, Department of Organismic and Evolutionary Biology, Cambridge, MA, United States, Peter R Girguis, Harvard University, Organismic and Evolutionary Biology, Cambridge, MA, United States and Julie A Huber, Marine Biological Laboratory, Woods Hole, MA, United States
Metatranscriptomic analysis of marine Thaumarchaea suggests intra-phylum variability in in situ heterotrophic carbon and nitrogen metabolim (154576)
Alma Elizabeth Parada1, Peter K Weber2, Xavier Mayali3, Jed A Fuhrman4, Jennifer Pett-Ridge3 and Anne E Dekas1, (1)Stanford University, Earth System Science, Stanford, United States, (2)Lawrence Livermore National Laboratory, Physical and Life Sciences Directorate, Livermore, United States, (3)Lawrence Livermore National Laboratory, Livermore, CA, United States, (4)University of Southern California, Los Angeles, CA, United States
Subsurface metagenomes uncover a vast repertoire of hypervariable proteins encoded by genetic elements in uncultivated organisms and viruses (152412)
Blair G Paul1,2, David Burstein3, Cindy J Castelle3, Jillian F Banfield3, David L Valentine4, Jeff F Miller5, Partho Ghosh6, Sumit Handa6, Diego Arambula7, Elizabeth Czornyj7 and Brian Thomas8, (1)University of California Santa Barbara, Santa Barbara, CA, United States, (2)Center for Dark Energy Biosphere Investigations, Los Angeles, CA, United States, (3)University of California Berkeley, Berkeley, CA, United States, (4)University of California Santa Barbara, Earth Science Department, Santa Barbara, United States, (5)University of California Los Angeles, Los Angeles, United States, (6)University of California San Diego, La Jolla, CA, United States, (7)University of California Los Angeles, Los Angeles, CA, United States, (8)University of California, Berkeley, Berkeley, CA, United States
The Ecophysiologies of Thiomargarita spp. Interrogated Using Culture-independent Approaches (177763)
Jake Bailey1, Beverly Flood1, Elizabeth Ricci1, Daniel S Jones2 and Nathalie Delherbe1, (1)University of Minnesota Twin Cities, Minneapolis, MN, United States, (2)Penn State University, Saint Paul, MN, United States
Thousands of Viral Populations Recovered from Peatland Soil Metagenomes Reveal Viral Impacts on Carbon Cycling in Thawing Permafrost (194901)
Joanne B Emerson1, Jennifer Brum2, Simon Roux2, Benjamin Bolduc2, Ben J. Woodcroft3, Caitlin M. Singleton4, Joel A Boyd3, Dr. Suzanne B Hodgkins, PhD5, Rachel Wilson6, Dr. Gareth George Trubl, PhD2, Ho Bin Jang2, Patrick M Crill7, Jeff Chanton8, Scott R Saleska9, Virginia Isabel Rich10, Gene W. Tyson11 and Matthew B Sullivan12, (1)University of California Davis, Plant Pathology, Davis, CA, United States, (2)Ohio State University Main Campus, Columbus, OH, United States, (3)University of Queensland, Center for Microbiome Research, Wooloongabba, Australia, (4)University of Queensland, St Lucia, Australia, (5)Florida State University, Dept. of Chemistry & Biochemistry, Tallahassee, FL, United States, (6)Florida State University, Dept. of Earth, Ocean, & Atmospheric Science, Tallahassee, FL, United States, (7)Stockholm University, Dept. of Geological Sciences and Bolin Centre for Climate Research, Stockholm, Sweden, (8)Florida State University, Department of Earth, Ocean & Atmospheric Science, Tallahassee, United States, (9)University of Arizona, Department of Ecology & Evolutionary Biology, Tucson, AZ, United States, (10)Ohio State University, Department of Microbiology, Columbus, United States, (11)University of Queensland, Center for Microbiome Research, Woolloongabba, Australia, (12)Ohio State University Main Campus, Microbiology and Civil, Environmental and Geodetic Engineering, Columbus, United States
Elucidating the biogeochemical roles of novel microorganisms from oligotrophic Lake Superior sediments (190934)
Cody Sheik, University of Minnesota Duluth, Department of Biology, Duluth, MN, United States
Genomic evidence for the Wood-Ljungdahl pathway for carbon fixation in warm basaltic ocean crust (195024)
Amy R Smith, Oregon State University, Corvallis, OR, United States, Martin FISK, Oregon State Univ, Corvallis, OR, United States, Ryan Mueller, Oregon State University, Microbiology, Corvallis, OR, United States, Frederick S Colwell, Oregon State University, College of Earth, Ocean, and Atmospheric Sciences, Corvallis, United States, Olivia U Mason, Florida State University, Earth, Ocean and Atmospheric Sciences, Tallahassee, FL, United States and Radu Popa, University of Southern California, Los Angeles, CA, United States

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