B14D:
Unearthing the Metabolic Potential of Microorganisms in the Deep Subsurface Biosphere I

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Session ID#: 31883

Session Description:
The marine and terrestrial subsurface biospheres represent large reservoirs for life, which have directly impacted surface processes and global cycles throughout Earth’s history. Deep biosphere ecosystems are partially or fully closed to photosynthetically derived energy and carbon and include environments such as hydrothermal systems, ocean sediments and crust, hot and cold springs, aquifers, deep fracture fluids, cave and mine systems, and sub-ice habitats. Recent technological advancements in the field of geobiology have greatly enhanced the curation of microbial functionality in these environments. However the study of uses of energy and carbon, and biogeochemical cycling can be challenging, making it difficult to link microbial function with phylogeny. This session seeks contributions from diverse disciplines that elucidate microbial functionality in subsurface environments, with methods such as isotope geochemistry, biomarker analysis, cultivation-dependent studies and ‘-omics’ analyses.
Primary Convener:  Benjamin J Tully, University of Southern California, Center for Dark Energy Biosphere Investigations, Los Angeles, CA, United States
Conveners:  Rose Mary Jones, Bigelow Lab for Ocean Sciences, East Boothbay, ME, United States, Magdalena R Osburn, Northwestern University, Earth and Planetary Sciences, Evanston, IL, United States and Yiran Dong, University of Illinois at Urbana Champaign, Carl R. Woese Institute for Genomic Biology, Urbana, IL, United States
Chairs:  Magdalena R Osburn, Northwestern University, Earth and Planetary Sciences, Evanston, United States and Rose Mary Jones, Bigelow Lab for Ocean Sciences, East Boothbay, ME, United States
OSPA Liaison:  Rose Mary Jones, Bigelow Lab for Ocean Sciences, East Boothbay, ME, United States
Index Terms:

0439 Ecosystems, structure and dynamics [BIOGEOSCIENCES]
0448 Geomicrobiology [BIOGEOSCIENCES]
0456 Life in extreme environments [BIOGEOSCIENCES]
0465 Microbiology: ecology, physiology and genomics [BIOGEOSCIENCES]

Abstracts Submitted to this Session:

Temperature Limit of the Deep Subseafloor Biosphere in the Nankai Trough Subduction Zone off Cape Muroto (IODP T-Limit Expedition 370) (249208)
Yuki Morono, JAMSTEC Japan Agency for Marine-Earth Science and Technology, Kanagawa, Japan, Verena B. Hauer, MARUM - University of Bremen, Bremen, Germany, Fumio Inagaki, JAMSTEC, Kochi, Japan, Yusuke Kubo, JAMSTEC, Kochi Core Center, Nankoku, Japan, Lena Maeda, JAMSTEC, Yokohama, Japan and Expedition 370 Scientists, International Ocean Discovery Program, Yokohama, Japan
Metabolic diversity and modeling of organisms involved in the anaerobic oxidation of methane (Invited) (219160)
Connor Tobias Skennerton1, Hang Yu1, Grayson Chadwick1, Daan R Speth2, Roland Hatzenpichler3, Andy Leu4, Donovan Parks4, Gene W. Tyson5, Rex Malmstrom6, Tanja Woyke7 and Victoria J Orphan1, (1)California Institute of Technology, Division of Geological and Planetary Sciences, Pasadena, CA, United States, (2)California Institute of Technology, Pasadena, United States, (3)Montana State University, Department of Chemistry and Biochemistry, Bozeman, MT, United States, (4)University of Queensland, St Lucia, Australia, (5)University of Queensland, Center for Microbiome Research, Woolloongabba, Australia, (6)DOE Joint Genome Institute, Walnut Creek, United States, (7)DOE Joint Genome Institute, Walnut Creek, CA, United States
Survival in the hot subsurface: Hydrogen stress on hyperthermophilic heterotrophs and methanogens (232610)
Begum D. Topcuoglu and James F Holden, University of Massachusetts Amherst, Microbiology, Amherst, MA, United States
Stable, geochemically mediated biospheres in the Deep Mine Microbial Observatory, SD, USA (252770)
Magdalena R Osburn, Northwestern University, Earth and Planetary Sciences, Evanston, IL, United States, Caitlin Casar, Northwestern University, Evanston, IL, United States, Brittany Kruger, Desert Research Institute Las Vegas, Las Vegas, NV, United States and Theodore M Flynn, Argonne National Laboratory, Argonne, IL, United States
Genomic Evidence of Chemotrophic Metabolisms in Deep-Dwelling Chloroflexi Conferred by Ancient Horizontal Gene Transfer Events (295935)
Lily M Momper, Northwestern University, Earth and Planetary Sciences, Evanston, IL, United States, Cara Magnabosco, Simons Foundation, Flatiron Institute Center for Computational Biology, New York, NY, United States, Jan Amend, University of Southern California, Earth Sciences, Los Angeles, CA, United States, Magdalena R Osburn, Northwestern University, Earth and Planetary Sciences, Evanston, United States and Gregory P. Fournier, Massachusetts Institute of Technology, Department of Earth, Atmospheric, and Planetary Sciences, Cambridge, United States
Members of the Candidate Phyla Radiation are functionally differentiated by carbon and nitrogen cycling capabilities. (220397)
Robert Danczak1, Michael Johnston1, Christopher Kenah2, Michael Slattery2, Kelly C. Wrighton1 and Michael J Wilkins1, (1)Ohio State University Main Campus, Columbus, OH, United States, (2)Ohio Environmental Protection Agency, Columbus, OH, United States

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