Proteins are constructed from a limited alphabet of ~20 amino acids, yet the origins and selection of this specific alphabet are unresolved.
Bacteria
Posted inCaves, Craters, Mountains, Subsurface, Lava Tubes, Extremeophiles and Extreme Environments, Genomics, Proteomics, Bioinformatics, Habitable Zones, Microbiology & Virology, Status Report
Physiological Trade-offs Drive The archaeal Dominance And Carbon Turnover In Deep Subsurface
Marine sediments host a vast deep biosphere, yet how microorganisms persist under severe energy limitation and govern long-term organic carbon (OC) preservation remains poorly understood.
Posted inBiochemistry & Organic Chemistry, Biogeochemical Cycles & Geobiology, Biophysics, Biosignatures & Paleobiology, Extremeophiles and Extreme Environments, Genomics, Proteomics, Bioinformatics, Habitable Zones, Lava / magma ocean / Volcanic Worlds, Microbiology & Virology, Sample Return, Status Report
The Recovery Of 12,789 Genomes Revealed The Diversity, Function, And Microbial Interactions Of The Geothermal Spring Microbiome
Geothermal springs, characterized by extreme physicochemical conditions, represent ecologically and evolutionarily significant habitats that foster unique microbial communities and drive adaptive evolutionary processes.
Posted inAway Teams & Field Reports, Biophysics, Biosignatures & Paleobiology, Extremeophiles and Extreme Environments, Genomics, Proteomics, Bioinformatics, Habitable Zones, Lava / magma ocean / Volcanic Worlds, Microbiology & Virology, Sample Return, Status Report
Amplicon And Metagenomic Data From Fumarole-associated Geothermal Features Of Hawai’i
The Hawaiian islands are among the most geologically and volcanically active places on Earth. While the Hawaiian Archipelago is known for its animal and plant diversity, much less is known […]
Posted inGenomics, Proteomics, Bioinformatics, Microbiology & Virology, Origin & Evolution of Life, Status Report
Asgard Archaeal Origin Of Microtubules
Eukaryotic cells change their shapes, actively segregate their DNA and contain membrane networks, facilitated by a complex cytoskeleton containing actin filaments, microtubules made from tubulin, and other components.
Posted inAstrobiology (general), Astropharmacy / Biotechnology, Biochemistry & Organic Chemistry, Biosignatures & Paleobiology, Commercial & Private Sector, Exploration Gear & Tech, Extremeophiles and Extreme Environments, Genomics, Proteomics, Bioinformatics, Habitable Zones, Microbiology & Virology, Nanotechnology & SynBio, NASA Astrobiology Program, Origin & Evolution of Life, Planetary Protection & Biosafety, Press Release, Sample Return, Water/Hycean Worlds & Oceanography
Astrobiologists Search For Alien Life And Help Life On Earth In The Process
On Earth, life thrives in some of the most seemingly inhospitable environments.
Posted inArctic / Antarctic / Alpine, Biosignatures & Paleobiology, Exploration Gear & Tech, Extremeophiles and Extreme Environments, Microbiology & Virology, Polar / Alpine Expeditions, Press Release, ROVs/Submersibles/Diving, Sample Return, Water/Hycean Worlds & Oceanography
Deep-sea Microbes Get An Unexpected Energy Boost
For many years, the deep ocean has been seen as a nutrient-poor environment where microbes living in the water survive on very limited resources. But new research from the University […]
Posted inAtmospheres, Climate, Weather, Biochemistry & Organic Chemistry, Biogeochemical Cycles & Geobiology, Biosignatures & Paleobiology, Extremeophiles and Extreme Environments, Fossils & Paleontology, Genomics, Proteomics, Bioinformatics, Habitable Zones, Impact events, Mapping, Geodesy, Cartography, Bathymetry, Nomenclature, Systematics, Natural History, Origin & Evolution of Life, Status Report
What The Earliest Evidence For Life Tells Us About The Early Evolution Of The Biosphere
Life emerged on Earth in an ultramafic world under anaerobic conditions and conditioned by particular environmental characteristics for which no record remains.
Posted inAtmospheres, Climate, Weather, Biochemistry & Organic Chemistry, Biogeochemical Cycles & Geobiology, Biosignatures & Paleobiology, Gaia - Planetary Perspectives, Genomics, Proteomics, Bioinformatics, Habitable Zones, Microbiology & Virology, Origin & Evolution of Life, Status Report
Noncanonical Genetic Markers Resolve The Pre-GOE Emergence Of Aerobic Bacteria In Earth’s History
The transition from anaerobic to aerobic life was a pivotal adaptation in Earth’s history, yet the timing and genomic drivers remain poorly resolved.
Posted inBiophysics, Genomics, Proteomics, Bioinformatics, Gravitational Biology, Microbiology & Virology, Microgravity, Press Release, Space Life Science, Space Stations
Aboard The International Space Station, Viruses And Bacteria Show Atypical Interplay
In a new study, terrestrial bacteria-infecting viruses were still able to infect their E. coli hosts in near-weightless “microgravity” conditions aboard the International Space Station, but the dynamics of virus-bacteria […]