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215 Biofilms and Biomineralization: Evidence from Ancient and Modern Systems

Oral Session
Topical Sessions

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Monday, 6 October 2008: 1:30 PM-5:30 PM
George R. Brown Convention Center, 352DEF

Presiding:
Penelope J. Boston and Leslie A. Melim
1:30 PM
215-1
The Interaction of Geology and Microbiology within Biofilms
Robert J.C. McLean, Texas State University
1:45 PM
215-2
The Role of EPS Properties and Turnover in Carbonate Mineral Nucleation
Christophe Dupraz, University of Connecticut; Olivier Braissant, University of Connecticut; Kim Gallagher, University of Connecticut; Christina Glunk, Université de Neuchâtel; Alan W. Decho, University of South Carolina; Pieter T. Visscher, University of Connecticut
2:00 PM
215-3
Biofilm-Mediated Carbonate Precipitation in Mono Lake Tufas: Evidence of Seasonal Variations in Primary Minerals and Microfabrics
M.D. Thomas, Arizona State University; J.D. Farmer, Arizona State University
2:15 PM
215-4
Microbially Induced Carbonate Precipitation within the Siliciclastic Tidal Flats on Follets Island, Northeast Texas Gulf Coast
Sushanta Bose, University of Houston; Henry S. Chafetz, University of Houston
2:30 PM
215-5
Identifying Fossil Biofilms In Carbonate Pool Speleothems Using the SEM: Criteria and Pitfalls
Leslie A. Melim, Western Illinois Univ; Michael N. Spilde, Univ of New Mexico; Diana E. Northup, Univ of New Mexico; Penelope J. Boston, National Cave and Karst Research Institute
2:45 PM
215-6
Quantification of Fossil Microbe Distribution In Pool Fingers from Cottonwood Cave, NM, USA
Randi Liescheidt, Western Illinois University; Leslie A. Melim, Western Illinois Univ; Michael N. Spilde, Univ of New Mexico; Diana E. Northup, Univ of New Mexico
3:00 PM
215-7
Examination of Microbial Communities through a Freshwater/saltwater Transition Zone in Cenotes, Yucatan, Mexico
Melissa E. Lenczewski, Northern Illinois University; Anni Moore, Northern Illinois University; Bianca Pedersen, University of Wisconsin, Eau Claire; Ryan M. Cumpston, Northern Illinois University; Eugene Perry, Northern Illinois University
3:15 PM
215-8
Biofilm Development, Microbial Diversity and Dissolved Organic Matter from El Tatio, Chile: Implications for Metalloid Biogeochemical Cycling
Annette Summers Engel, Louisiana State University; Justin E. Birdwell, Louisiana State University; Lindsey Johnson, Louisiana State University; Kathleen M. Brannen, Louisiana State University; Megan Franks, The Univ of Texas Austin; Christopher R. Omelon, University of Texas Austin; Jeff T. Landrum, University of Texas Austin; Marco A. Alsina, Pontificia Universidad Católica de Chile; Pablo A. Pastén, Pontificia Universidad Católica de Chile; Philip C. Bennett, University of Texas Austin
3:30 PM
215-9
Surface and Subsurface Manganese Biofilms: A Comparison of Biofilms from Desert Varnish and Caves
Michael Spilde, University of New Mexico; Penelope Boston, National Cave and Karst Research Institute; Diana E. Northup, Univ of New Mexico; Armand Dichosa, Univ of New Mexico
3:45 PM
215-10
Serpentinization and Fuel for Biofilms: Using Geochemistry and Thermodynamics to Identify Metabolic Niches in the Subsurface
Dawn Cardace; Tori M. Hoehler
4:00 PM
215-11
Hyperthermophilic Biofilm Mineralization - Implications for Biosignature Detection
Sherry L. Cady, Portland State University
4:15 PM
215-12
From Biofilms to Siliceous Stromatolites: The Interplay Between Microbial Activity, Hot Spring Chemistry and Growth Rate
William M. Berelson, Univ of Southern California; Frank A. Corsetti, Univ of Southern California; C. Pepe-Ranney, Colorado School of Mines; John R. Spear, Colorado School of Mines
4:30 PM
215-13
Fossilized Extracellular Polymeric Substances (EPS) in An Ancient Impact-Induced Hydrothermal System
Tomas Hode, Portland State Universtiy; Sherry Cady, Portland State Univ; Ilka von Dalwigk, Stockholm University; Per Kristiansson, Lund Univ, Sweden
4:45 PM
215-14
Biofilm Central: The Wonderland of Textures and Bacterial and Archaeal Communities in Cueva De Villa Luz
Diana E. Northup, Univ of New Mexico; Penelope J. Boston, New Mexico Institute of Mining and Technology; Kaitlyn Hughes, Oregon State University; Amy Clement, Carleton College; Annette Summers Engel, Louisiana State University
5:00 PM
215-15
Biovermiculations: Mathematical Modeling of Complex Biological and Physical Processes In Mazelike Biomats
Penelope J. Boston, New Mexico Institute of Mining and Technology; Jane Curnutt, California State Univ. San Bernardino; Diana E. Northup, Univ of New Mexico; Keith E. Schubert, California State Univ. San Bernardino; Ernesto Gomez, California State Univ. San Bernardino
5:15 PM
215-16
Biofilm Micro-Environments In Dinosaur Bone
Thomas G. Kaye, Burke Museum of Natural History; Gary Gaugler, Microtechnics
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