Proteins are constructed from a limited alphabet of ~20 amino acids, yet the origins and selection of this specific alphabet are unresolved.
genomics
Posted inBiochemistry & Organic Chemistry, Biophysics, Biosignatures & Paleobiology, Genomics, Proteomics, Bioinformatics, Microbiology & Virology, Origin & Evolution of Life, Status Report
Membrane Information Organization At The Origin Of Life: From Interfaces To Informational Bodies
Membranes are usually treated as passive containers in origin-of-life models, confining prebiotic chemistry, buffering diffusion, and sustaining gradients.
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, Biophysics, Biosignatures & Paleobiology, Genomics, Proteomics, Bioinformatics, Microbiology & Virology, Origin & Evolution of Life, People Of Astrobiology, Status Report
Liquid–liquid Phase Separation As A Driver Of Abiogenesis And Evolution
The origin of life may have emerged through physical mechanisms that enable molecular organization and self-assembly. Building on Alexander Oparin’s concept of coacervate droplets, liquid–liquid phase separation (LLPS) offers a […]
Posted inBiophysics, Extremeophiles and Extreme Environments, Genomics, Proteomics, Bioinformatics, Habitable Zones, Microbiology & Virology, Microgravity, Origin & Evolution of Life, Panspermia, Planetary Protection & Biosafety, Press Release, Radiation, Space Life Science
Radiation-Resistant Microbes: Pioneers for Life Beyond Earth
Radiation is one of the most pervasive environmental stressors that has profoundly influenced microbial evolution, driving the development of intricate survival strategies in extreme environments.
Posted inAI - Data - Apps - Cybernetics, Biochemistry & Organic Chemistry, Biosignatures & Paleobiology, Commercial & Private Sector, Genomics, Proteomics, Bioinformatics, Nanotechnology & SynBio, Origin & Evolution of Life, Status Report
Artificial Intelligence Aided Design Of Peptides With Custom Secondary Structure Motifs And Reduced Amino Acid Alphabets
Proteins are highly diverse functional polymers where the specific sequence of amino acids, selected from a standard genetically-encoded alphabet of twenty (C20), determines the structure and ultimately the function of […]
Posted inBiochemistry & Organic Chemistry, Biogeochemical Cycles & Geobiology, Biophysics, Biosignatures & Paleobiology, Genomics, Proteomics, Bioinformatics, Origin & Evolution of Life, Status Report
What It Takes To Solve The Origins Of Life: An Integrated Review. Part 1 Experimental Methods And Data Repositories
The origin(s) of life (OoL), which has puzzled scientists for centuries, remains a major scientific challenge in the 21st century.
Posted inBiochemistry & Organic Chemistry, Biogeochemical Cycles & Geobiology, Biophysics, Biosignatures & Paleobiology, Genomics, Proteomics, Bioinformatics, Origin & Evolution of Life, Status Report
What It Takes To Solve The Origins Of Life: An Integrated Review. Part 2: Theoretical Methods And Emerging Trends
The origin(s) of life (OoL), which has puzzled scientists for centuries, remains a major scientific challenge in the 21st century. Understanding the processes relevant to the OoL demands theoretical frameworks […]
Posted inBiogeochemical Cycles & Geobiology, Biosignatures & Paleobiology, Extremeophiles and Extreme Environments, Gaia - Planetary Perspectives, Microbiology & Virology, Press Release, Water/Hycean Worlds & Oceanography
Hidden Viruses Reshape One Of Earth’s Largest Carbon Systems
Viruses play a far more active role in Earth’s carbon cycle than previously understood, according to new research that reveals how they infect and control microbes responsible for carbon production […]
Posted inBiosignatures & Paleobiology, Fossils & Paleontology, Genomics, Proteomics, Bioinformatics, Sample Return, Status Report
Biosignatures: Evidence for Endogenous Collagen in Edmontosaurus Fossil BoneAnalytical Chemistry via PubMed
Reports of proteins in fossilized bones have been a subject of controversy in the scientific literature because it is assumed that fossilization results in the destruction of all organic components.