The origin of homochirality in biomolecules is a central problem in the study of the origin of life and is fundamental to understanding the nature of life itself.
Origin & Evolution of Life
Posted inBiochemistry & Organic Chemistry, Biophysics, Biosignatures & Paleobiology, Origin & Evolution of Life, Status Report
Primitive Chemically Fueled Reaction Cascade For Dissipative Droplets
A primitive, chemically fueled phosphonodithiolates reaction cascade was constructed using phosphate-based T3P as the chemical fuel and 4-methoxybenzenethiol as the precursor molecule.
Posted inBiochemistry & Organic Chemistry, Biogeochemical Cycles & Geobiology, Biosignatures & Paleobiology, Mars, Microbiology & Virology, Origin & Evolution of Life, Panspermia, Planetary Protection & Biosafety, Radiation, Sample Return, Status Report
Endospore Integrity And Viability Of Bacillus subtilis On Simulated Martian Regolith In Rotational UVC Radiation Exposures
Current understanding of Martian regolith has advanced due to various rover explorations. Due to this, there are now several variants of Martian regolith that are chemically known and commercially available.
Posted inAtmospheres, Climate, Weather, Biochemistry & Organic Chemistry, Biogeochemical Cycles & Geobiology, Biophysics, Biosignatures & Paleobiology, Gaia - Planetary Perspectives, Origin & Evolution of Life, Status Report, Water/Hycean Worlds & Oceanography
Microbial Exoenzymes Catalyzed The Transition To An Oxygenated Earth
Microbial exoenzymes—extracellular enzymes secreted to degrade complex organic polymers— are essential for recycling carbon and nutrients, thus sustaining primary productivity in today’s oceans.
Posted inAtmospheres, Climate, Weather, Away Teams & Field Reports, Biogeochemical Cycles & Geobiology, Biophysics, Biosignatures & Paleobiology, Caves, Craters, Mountains, Subsurface, Lava Tubes, Extremeophiles and Extreme Environments, Habitable Zones, Microbiology & Virology, Origin & Evolution of Life, Status Report, Water/Hycean Worlds & Oceanography
The Microbiology and Geochemistry of The Shallow-water Hydrothermal Vents of the Gulf of Naples, Italy
Shallow-water hydrothermal vents are dynamic ecosystems that occur below 200 m in tectonically active regions of the planet.
Posted inAtmospheres, Climate, Weather, Biogeochemical Cycles & Geobiology, Biosignatures & Paleobiology, Gaia - Planetary Perspectives, Habitable Zones, Origin & Evolution of Life, Press Release, Water/Hycean Worlds & Oceanography
Earth’s Oxygen Boom: A Fresh Perspective For A Billion-year-old Problem
The appearance of oxygen in Earth’s atmosphere was a turning point in the history of our planet, forever transforming the environment and setting the stage for complex life. This event, […]
Posted inBiochemistry & Organic Chemistry, Biophysics, Genomics, Proteomics, Bioinformatics, Nanotechnology & SynBio, Origin & Evolution of Life, Press Release
SynBio: A Ring Has Been Added Onto Existing Ribosome Proteins
Inside our cells, ribosomes-the tireless “protein factories” of life-have just shown off a new skill they haven’t used in billions of years.
Posted inAtmospheres, Climate, Weather, Biochemistry & Organic Chemistry, Biogeochemical Cycles & Geobiology, Biosignatures & Paleobiology, Extinction events, Fossils & Paleontology, Imaging & Spectroscopy, Nomenclature, Systematics, Natural History, Origin & Evolution of Life, Press Release, Water/Hycean Worlds & Oceanography
Neutron Scanning Of Coral Fossils Reveals Earth’s Hidden Climate History
A University of Sydney student has developed a completely new way to peer inside coral fossils to recover lost records of past climate change.
Posted inAstrobiology (general), Habitable Zones, Origin & Evolution of Life, SETI & Technosignatures, Status Report
Solar Hegemony: M-Dwarfs Are Unlikely to Host Observers Such as Ourselves
With no firm evidence for life beyond our solar system, inferences about the population observers such as ourselves rests upon the Earth as a single input, at least for now.
Posted inAnalog Studies, Arctic / Antarctic / Alpine, Away Teams & Field Reports, Biochemistry & Organic Chemistry, Biophysics, Biosignatures & Paleobiology, Cryobiology, Exploration Gear & Tech, Extremeophiles and Extreme Environments, Habitable Zones, Icy Worlds, Mars, Microbiology & Virology, Origin & Evolution of Life, Polar / Alpine Expeditions, Press Release, Sample Return
Multi-technique Characterization Of Iron Reduction By An Antarctic Shewanella: An Analog System For Putative Martian Biosignature Identification
Microbes from terrestrial extreme environments enable testing of biosignature production in conditions relevant to astrobiological targets.