Astrobiology: Life in the Universe

Exobiology and Evolutionary Biology


  1. Projects

    PI
    Title
    Steven Benner
    David Catling
    Gözen Ertem
    James Farquhar
    George Flynn
    Friedemann Freund
    Eric Gaidos
    DeWayne Halfen
    Kevin Hand
    Gerald Joyce
    Samantha Joye
    Alan Kaufman
    Niles Lehman
    James Lyons
    Lynn Margulis
    Andrew Mattioda
    Arnold Miller
    Joseph Nuth
    Shuhei Ono
    Matthew Pasek
    Andrew Pohorille
    Mark Skidmore
    David Summers
    Jack Szostak
    Owen Toon
    Laura Wasylenki
    Douglas Whittet
    David Woon
    Kevin Zahnle
    Below are the abstracts of proposals selected for funding for the Astrobiology: Exobiology and Evolutionary Biology program from the ROSES 07 call for proposals (awarded 2008). Principal Investigator (PI) name, institution, and proposal title are also included. 114 proposals were received in response to this opportunity, and 33 were selected for funding.
    PI
    Title
    Dale Andersen
    Steven Benner
    Jennifer Blank
    Robert Blankenship
    Roger Buick
    Nathalie Cabrol
    Zoe Cardon
    Jennifer Eigenbrode
    Eric Gaucher
    M. Reza Ghadiri
    Everett Gibson
    Nancy Hinman
    Tori Hoehler
    Nicholas Hud
    Brian Hynek
    Brian Hynek
    Paul Johnson
    Isik Kanik
    Paul Johnson
    Isik Kanik
    James Kasting
    Robin Knight
    Pierre-Alain Monnard
    Marla Moore
    Nicholson Wayne
    Kenneth Noll
    Dominic Papineau
    Radu Popa
    Louise Prockter
    Jason Raymond
    Janet Siefert
    Jonathan Silberg
    Mark Smith
    Henry Sun
    Stephen Wood
    Current and Past Projects
    PI
    Title
    Thomas Ahrens
    Sub-award from: Do Bugs Survive When Worlds Collide (C. Blank)
    Ariel Anbar
    Mechanisms of Molybdenum Isotope Fractionation: Assessing a New Tool for the Study of Ancient Ocean Redox
    Ariel Anbar
    Gustaf Arrhenius
    Emma Bakes
    A Prebiotic Photochemical Study of Early Earth
    Brad Bebout
    Luann Becker
    Traces of Catastrophe at the End Permian
    Steven Benner
    Exploring Plausibly Prebiotic Routes to Ribonucleosides. Borate minerals, water-poor environments, and organic chemistry that connect the interstellar medium to the RNA world.
    Steven Benner
    Resurrecting Src Homology 2 Domains Near the Origin of Multicellularity. Resurrecting Phosphotyrosine-Binding Proteins and Their Binding Phosphorylated Partners. Co-Evolution of Signal Transduction Paths Involved in Metazoan Multicellularity
    Steven Benner
    Reconstructing Ancient Life
    Max Bernstein
    Max Bernstein
    Laboratory Studies of Interstellar and Solar System Radiation Processing as a Source of Organic Molecules
    Debashish Bhattacharya
    Endosymbiotic Gene Transfer and the Evolution of the First Photosynthetic Eukaryotes
    Robert Blankenship
    The evolution of photosynthesis and the transition from an anaerobic to an aerobic world (2)
    Kristie Boering
    NESSF (Chu): Experimental investigations of photochemically-generated organic aerosols and implications for climate, habitability, and the search for life on early Mars and early Earth
    Timothy Bralower
    Adrian Brearley
    Distribution, origins and parent body processing of carbonaceous material in chondritic meteorites: Insights from in situ characterization using energy filtered transmission electron microscopy
    William Brinckerhoff
    Organic Synthesis in Hypervelocity Impacts
    Roger Buick
    Metamorphism of Archean biosignatures: constraining the appearance of life on Earth and the search for fossils on Mars
    Donald Burke
    DESCOPE: Metabolic Kinase Ribozymes to Model RNA World Enzymology and Evolution (Aims 2 & 3 only)
    Sherry Cady
    Recognizing the Signatures of Thermophilic Biofilms: Cellularly Preserved Microfossils and Cellular Remnants
    William Casey
    David Catling
    Evolution of Biogeochemical Cycles and the Earth's Early Atmosphere
    Mary Chapman
    Steven Charnley
    George Cooper
    Helen DeWitt
    GSRP: Hydrogen's role in the production of organic hazes on early Earth and the outer planets; The effect of increased hydrogen mixing ratio on organic haze production on the early Earth
    Bradley De Gregorio
    GSRP: Resolving the biogenicity of Earth's oldest microfossils using electron energy-loss and X-ray absorption spectroscopies.
    David Deamer
    Origin and function of membranes in primitive cellular life.
    David Des Marais
    Light Element Biogeochemistry of Microbial Communities in Evaporites
    Ingrid Desilvestre
    ASASO Close-Out
    Jocelyne DiRuggiero
    Molecular Basis for Adaptation to Extreme Environmental Conditions of Halophilic Microorganisms
    Jocelyne DiRuggiero
    Engineering Technologies for Extremophiles
    Robert Dorit
    Samy El-Shall
    Paul Falkowski
    Jack Farmer
    Geomicrobiology and Fossil Biosignatures of Cold-Spring Carbonates (Tufas), Mono Lake (CA) and the Pleistocene Lahonton Basin
    James Farquhar
    James Ferris
    Studies of Photochemical Processes on Titan
    James Ferris
    [NSCORT] Origins of Life: From Interstellar Molecules to Introns
    Brian Fields
    Supernova Remnant--Heliosphere Collisions and Transport of Live Radioisotopes: Three Dimensional Simulations
    George Flynn
    George Fox
    DESCOPE: The Origins of Translation and Early Evolution of Life (Riboswitch module only)
    Stephen Freeland
    Bioinformatic Analysis of Genetic Coding
    Friedemann Freund
    Eric Gaucher
    Inferring Ancient Local Environments Based on Resurrected Elongation Factor Proteins: From the Origins of Modern Bacteria to Eukaryotic Endosymbioses: Paleo-Evolutionary Genomics
    M. Reza Ghadiri
    NESSF (Beierle): Potentially Prebiotic Peptide Based Oligomers for Dynamic Recognition of DNA and RNA
    Everett Gibson
    DESCOPE: Carbon Chemistry of Martian Materials and Analogs (Task 2 only)
    Daniel Glavin
    Gerald Gogarten
    Jason Goodman
    Dynamics of Hydrothermal Plumes on Europa: Implications for Surface Geology and Potential Bioenergetics
    Robert Grimm
    Nuclear-Magnetic Resonance and Electrical Measurements of Unfrozen Water in Mars-Analog Materials: Implications for Habitability at Subfreezing Temperatures on Mars
    David Grinspoon
    The Longevity of Oceans on Terrestrial Planets
    Douglas Hamilton
    Dust as a Vehicle for the Transfer of Organics Between Worlds
    Joe Hartman
    Support for Exo/Evo users of Ames Vertical Gun Range
    Judith Herzfeld
    Tori Hoehler
    Program Support: California Academy of Sciences Advisor
    Christopher House
    Mediation of Early Microbial Evolution and Ecology by Cyanide Inhibition?
    Faqing Huang
    Yongsong Huang
    Compound-specific isotopic study of carbonaceous chondrites: implications for the origin of meteoritic organic compounds
    Nicholas Hud
    Intercalation and Reversible Backbone Linkages: A New Approach to the Origin and Replication of Life's First Informational Polymers
    Dirk Iwata-Reuyl
    David Jablonski
    Evolutionary Dynamics of Planetary Biodiversity Gradients: Origin, Maintenance and Future of Latitudinal Trends
    Richard Jaffe
    Gerald Joyce
    James Kasting
    Climate and Life on Early Earth and Mars
    Alan Kaufman
    A Stratigraphic Study of pCO2 Variations across Neoproterozoic Glacial Cycles through Ion Microprobe Carbon Isotope Analysis of Organic-Walled Microfossils
    Alan Kaufman
    Empirical Estimates of Proterozoic CO2 Levels by In-Situ Ion Microprobe Carbon Isotope Analysis of Organic-Walled Microfossils
    Abby Kavner
    Geochemical Signatures of Biological Charge Transfer Processes
    Fabien Kenig
    Martin Kennedy
    Secular rise of clay minerals as a control on the rise off oxygen and advent of multicellular life
    Joseph Kirschvink
    Paul Knauth
    Isotopic Paleotemperatures at Key Times in the Early History of Life
    Andrew Knoll
    Ramanarayanan Krishnamurthy
    Niles Lehman
    Development of generalized RNA recombinase ribozymes
    Niles Lehman
    Niles Lehman
    NESSF (Burton): Selection in Vitro of a Ribonucleotide Reductase Ribozyme
    Harold Levison
    The Coupling of Outer Solar System Architectures to the Habitability, Hazards and Environment on Planets Near the Sun and Other Stars
    Vince LiCata
    Molecular Mechanisms for the Persistence, Protection, and Repair of DNA and Proteins under Extreme Radiation, UV Light, and Dessicating Conditions
    Donald Lowe
    Origin and implications of early Archean barite and associated sedimentary deposits in the 3.3-3.2 Ga Fig Tree Group, Barberton Greenstone Belt, South Africa, and their relationship to major tectonic, impact, and environmental events
    James Lyons
    Timothy Lyons
    Oxygen Isotope Composition of Carbonate-Associated Sulfate
    Loris Magnani
    A Galactic Formaldehyde Survey to Identify the Galaxy's Habitable Zone
    Lynn Margulis
    Scot Martin
    Mark Martindale
    The Evolution of the Regulation of Cell-Cell Adhesion in a Basal Metazoan
    Tom McCollom
    David McKay
    Presumptive Mineral and Morphological Biosignatures in Terrestrial Samples and Martian Meteorites
    David McKay
    Mars Sample Return Study
    Adrian Melott
    Do Gamma Ray Bursts Damage Planetary Biospheres?
    Stephen Mojzsis
    Lisa Monaco
    Monitoring of environmental contamination
    Biswarup Mukhopadhyay
    A Novel Coenzyme F420-Dependent Sulfite Reductase from Methanocaldococcus Jannaschii: A Component of a Primitive Cell Biosynthesis and Detoxification System
    Dianne Newman
    Nora Noffke
    Microbially Induced Sedimentary Structures of Mesoarchean Ages - New Biosignatures for the Detection of Extraterrestrial Life [share w/ MFRP]
    Kenneth Noll
    Horizontal Gene Transfer Into and Among the Thermotogales: Occurrence and Functional Implications
    Joseph Nuth
    Natural, Iron-Silicate-Grain Catalyzed, Simultaneous, Fischer-Tropsch and Haber-Bosch Synthesis of Nitrogen-Bearing prebiotic Molecules in Protostellar Nebulae
    Shuhei Ono
    Ronald Oremland
    DESCOPE: Continued Investigations of
    Ronald Oremland
    Thomas Orlando
    Non-Thermal Generation of Prebiotic and Complex Organic Molecules within Interstellar and Planetary Ices
    Matthew Pasek
    Mark Patzkowsky
    Alexander Pavlov
    Methane and sulfur in the Archean atmosphere. Organic and sulfur aerosols as UV-shields, "food" and climate drivers in the Archean environment.
    Yvonne Pendleton
    DESCOPE: The Origin and Evolution of Organic Material in the Interstellar Medium: From Stardust to Planetesimals (observations only)
    Michail Petaev
    Search for Impact-Related Materials at the P-T Boundary
    Sandra Pizzarello
    Andrew Pohorille
    Computer Modeling of Protein-mediated Protocellular Functions
    Andrew Pohorille
    Susannah Porter
    Using Skeletal Microstructure to Understand Early Animal Biomineralization and Phylogenetic Relationships of Early Animals
    Anna-Louise Reysenbach
    Metabolic Plasticity in Chemolithoautotrophic Thermophilic Acquificales: Models for the Evolution of Early Metabolisms on Earth?
    Raphael Rosenzweig
    Robert Rye
    Developing Model-Based Temperature Constraints for the Archean
    Orlando Santos
    Innovative Concepts in Exobiology
    John Scalo
    Biological Implications of Variations in the Cosmic Ray Flux at Planetary Surfaces
    Caleb Scharf
    The Formation and Evolution of Tidally Heated Habitable Zones
    Juergen Schieber
    Investigating Morphological and Isotopic Biosignatures of Terrestrial Iron Bacteria -A Potential Mars Analog
    Francis Schmidt
    Martin Schoonen
    Mitchell Schulte
    Alex Sessions
    Investigating the Localization, Regulation and Biosynthesis of 2-Methylhopanoids (Inst. Xfer) (2)
    Daniel Shain
    Energetic Requirements of Cold Temperature Adaptation
    Everett Shock
    Hydrothermal Ecosystems in a Solar System Context
    Janet Siefert
    Gordon Conference on the Origin of Life
    Janet Siefert
    The Genotype and Phenotype of Last Common Ancestors and the Evolution of Molecular Innovation (1)
    Mark Smith
    Titan Tholins: Origins and Definitive Functional Potential for Prebiological Chemistries
    Glenn Stark
    John Stoltz
    [Sub-award from Oremland] DESCOPE: Continued Investigations of
    Daphne Stoner
    The Search for Life on Worlds Around Other Stars: A Spectroscopic Analysis of Volatile Biogenic Signatures Emanating from Geothermal Environments
    Daphne Stoner
    A Strategy for Identifying Microbial Signatures in Heterogeneous Iron-Bearing Minerals: Spatially-Correlated Optical and Chemical Imaging of Microbial-Mineral Interactions
    Paul Strother
    David Summers
    Energy Transduction Inside Vesicles by the Photochemical Formation of NADH and Amino Acids with Colloidal TiO2 Particles
    Roger Summons
    Global Biogeochemical Transitions: Molecular and Isotopic Markers for Biogeochemical Processes During Major Redox Shifts in the Ocean-Atmosphere System
    Dawn Sumner
    Depth Gradients in Neoarchean Ocean Chemistry and Microbialite Morphology
    Christopher Switzer
    DESCOPE: Search for a Prebiotic Replicator (alternative backbone only)
    Jack Szostak
    Henry Throop
    Photo-evaporation and the Stability and Evolution of Volatiles in Pre-planetary Disks
    Margaret Tolbert
    Laboratory Studies of Early Earth Hazes: Aerosol Mass Spectrometer and Optical Measurements
    Margaret Tolbert
    Larry Voorhees
    NASA Postdoctoral Program
    David Ward
    Molecular and geochemical analysis of hot spring cyanobacterial and Chloroflexus mats as stromatolite analogs
    Arthur Weber
    Prebiotic Synthesis of Autocatalytic Products from Formaldehyde-Derived Sugars as the Carbon and Energy Source
    Arthur Weber
    Douglas Whittet
    Erik Winfree
    Enzyme-Free In-Vitro Evolution of DNA Tile Crystals as Model Primitive Organisms
    David Woon
    Shuhai Xiao
    Probable Eukaryote Fossils Preserved in Archean
    Kevin Zahnle
    Sub-award from: Evolution of Biogeochemical Cycles and the Earth's Early Atmosphere (Catling)
    Kevin Zahnle
    Aaron Zent
    The Role of Oxidants in the Martian Regolith
    Aubrey Zerkle
    Dale Andersen
    Deep-water microbialites in a perennially ice-covered lake: A key to interpreting ancient microbialite morphology (1)
    Steven Benner
    Prebiotic Routes to Carbohydrates Involving Borate Minerals (1)
    Jennifer Blank
    An experimental study of the generation and enantiomeric enrichment of sugars and amino acids in cometary impacts (1)
    Robert Blankenship
    The Evolution of Photosynthesis and the Transition from an Anaerobic to an Aerobic World (ROSES 2007)
    Roger Buick
    Archean paleobarometry (1)
    Nathalie Cabrol
    Thermal Behavior and Detection of Caves on Earth and Mars (1)
    Zoe Cardon
    Leaping to land -- physiology and phylogenetics of microscopic desert green algae (1)
    Jennifer Eigenbrode
    Signatures of Life in Ice (SLIce): A multidisciplinary investigation of organic signatures and habitat of life in surface glacial ice (1)
    Eric Gaucher
    Exploiting paleogenetics and experimental-evolution to reconstruct and recapitulate adaptive evolution (1)
    M. Reza Ghadiri
    Dynamic Covalent Assembly and Selection of Prebiotically Plausible Informational Oligomers (1)
    Everett Gibson
    Elemental, Isotopic, and Structural Characteristics of Earth's Earliest Life: Implications for Recognizing Remnants of Early Microbial Life on Earth and Elsewhere (1)
    Nancy Hinman
    Exploration of Mineral Associated Bio/organic Signatures: Meeting the Challenge in the Search for Signs of Life (1)
    Tori Hoehler
    Quantifying the Habitability of Low-Temperature Serpentinizing Systems (1)
    Nicholas Hud
    Intercalation Mediated Assembly and the First Informational Polymers of Life (1)
    Brian Hynek
    Cerro Negro, Nicaragua: An analog for assessing the potential for life on early Mars (1)
    Linda Jahnke
    Organic Biomarkers: Community Diversity and Preservation in Silica-Rich Hydrothermal Systems with Implications to Mars (1)
    Paul Johnson
    Chemistry of Biomarkers in Planetary Ices: A Laboratory Investigation (1)
    Isik Kanik
    A Laboratory Investigation on the Origin and Evolution of Life (1)
    James Kasting
    Habitable Planets: Oxygen and Climate (1)
    Robin Knight
    Measuring the abundance of the simplest functional RNAs (1)
    Pierre-Alain Monnard
    Prebiotic formation of membranes and the role of membranes in energy uptake: An essential step in the origin of protocellular life (1)
    Marla Moore
    Investigating the Formation, Stability and Enantiomeric Ratios of Non-Protein Amino Acids in Low-Temperature Condensed-Phase Reactions (1)
    Nicholson Wayne
    Survival, Growth, and Evolution of Terrestrial Bacteria in Martian Environments (1)
    Kenneth Noll
    Genome-based Investigations into the Nature of the Common Ancestor of the Thermotogales (1)
    Victoria Orphan
    Micron-scale microbiological and microgeochemical characterization of sulfur cycling in microbial mats: a paired nanoSIMS sulfur isotope and CARD-FISH approach
    Dominic Papineau
    Carbonaceous associations with apatite in Precambrian banded iron formations (1)
    Radu Popa
    Biosignatures in Volcanic Rocks - Microweathering of Olivine on Earth and Mars (1)
    Louise Prockter
    Effects of radiation damage on the geology of Europa and Ganymede (1)
    Jason Raymond
    The Molecular Basis of Complexity: Using Network Analysis to Understand Evolution (1)
    Janet Siefert
    Borrowing Biological Innovation: HGT in an Ancient Mariene Heterotroph (1)
    Jonathan Silberg
    Temperature effects on protein evolution (1)
    Mark Smith
    Origins and Functional Potential in Complex Prebiological Molecules: Titan Tholins and related Organics (1)
    Henry Sun
    Biological Accumulation of D-amino acids in Endolithic Microbial Communities (1)
    Stephen Wood
    Mars Subsurface Warming at Low Obliquity: Effects on the State and Distribution of Water (1)