Many of the recently discovered Earth-like exoplanets are hosted by M and F stars, stars that emit intense UVC, especially during a flare.
biophysics
Posted inAI - Data - Apps - Cybernetics, Biochemistry & Organic Chemistry, Biophysics, Biosignatures & Paleobiology, Extremeophiles and Extreme Environments, Genomics, Proteomics, Bioinformatics, Microbiology & Virology, Nomenclature, Systematics, Natural History, Status Report
Life At The Extremes: Maximally Divergent Microbes With Similar Genomic Signatures Linked To Extreme Environments
Extreme environments impose strong mutation and selection pressures that drive distinctive, yet understudied, genomic adaptations in extremophiles.
Posted inBiochemistry & Organic Chemistry, Biophysics, Biosignatures & Paleobiology, Genomics, Proteomics, Bioinformatics, Origin & Evolution of Life, Status Report
The Possible Crystallization Process in the Origin of Bacteria, Archaea, Viruses, and Mobile Elements
We propose a hypothesis for the simultaneous emergence of bacteria, archaea, viruses, and mobile elements by sequential and concrete biochemical pathways.
Posted inAstrogeology, Atmospheres, Climate, Weather, Biophysics, Biosignatures & Paleobiology, Extremeophiles and Extreme Environments, Habitable Zones, Lava / magma ocean / Volcanic Worlds, Microbiology & Virology, Missions & Hardware, Status Report, Venus
Perspective: Life On Venus?
Venus is not generally at the forefront when considering extraterrestrial life. Yet, based on the physical similarities and proximity to Earth and with the little knowledge of its evolutionary history, […]
Posted inAstropharmacy / Biotechnology, Biochemistry & Organic Chemistry, Biophysics, Biosignatures & Paleobiology, Genomics, Proteomics, Bioinformatics, Magnetic Fields, Electromagnetism, bioelectricity,, Microbiology & Virology, Nanotechnology & SynBio, Origin & Evolution of Life, Press Release
Light-to-electricity Nanodevice Reveals How Earth’s Oldest Surviving Cyanobacteria Worked
An international team of scientists have unlocked a key piece of Earth’s evolutionary puzzle by decoding the structure of a light-harvesting “nanodevice” in one of the planet’s most ancient lineages […]
Posted inGenomics, Proteomics, Bioinformatics, Meteorites & Asteroids, Origin & Evolution of Life, Status Report
Protocell Formation On Micrometeorites
We report on the formation of membranous protocells by self-assembly of lipids on micrometeorites, the extraterrestrial particles that have been continuously reaching the surface of the Earth ever since its […]
Posted inAstrobiology (general), Astrochemistry, Biochemistry & Organic Chemistry, Biophysics, Biosignatures & Paleobiology, Imaging & Spectroscopy, Interstellar, Origin & Evolution of Life, Status Report
Molecular Cloud Biology
Some astrobiological models suggest that molecular clouds may serve as habitats for extraterrestrial life.
Posted inBiochemistry & Organic Chemistry, Biophysics, Biosignatures & Paleobiology, Genomics, Proteomics, Bioinformatics, Habitable Zones, Origin & Evolution of Life, Press Release
A New Clue To How Multicellular Life May Have Evolved
Life emerged on Earth some 3.8 billion years ago. The “primordial soup theory” proposes that chemicals floating in pools of water, in the presence of sunlight and electrical discharge, spontaneously […]
Posted inAstrochemistry, Biochemistry & Organic Chemistry, Biophysics, Biosignatures & Paleobiology, Genomics, Proteomics, Bioinformatics, Imaging & Spectroscopy, Interstellar, Microbiology & Virology, Press Release
How Calcium May Have Unlocked The Origins Of Life’s Molecular Asymmetry
A new study led by researchers at the Earth-Life Science Institute (ELSI) at Institute of Science Tokyo has uncovered a surprising role for calcium in shaping life’s earliest molecular structures. […]
Posted inAstrochemistry, Astronomy & Telescopes, Biochemistry & Organic Chemistry, Biophysics, Biosignatures & Paleobiology, Imaging & Spectroscopy, Interstellar, Status Report
Hydrogenation of HOCO and Formation of Interstellar CO2: A Not So Straightforward Relation
Carbon dioxide (CO2) is one of the most important interstellar molecules. While it is considered that it forms on the surface of interstellar dust grains, the exact contribution of different […]