cryobiology
Posted inAnalog Studies, Arctic / Antarctic / Alpine, Biochemistry & Organic Chemistry, Biophysics, Biosignatures & Paleobiology, Caves, Craters, Mountains, Subsurface, Lava Tubes, Commercial & Private Sector, Cryobiology, Extremeophiles and Extreme Environments, Genomics, Proteomics, Bioinformatics, Habitable Zones, Icy Worlds, Microbiology & Virology, Planetary Protection & Biosafety, Sample Return, Status Report

First Genome Sequence And Functional Profiling Of Psychrobacter SC65A.3 Preserved In 5,000-year-old Cave Ice

by Keith Cowing

Introduction: Ancient cryospheric environments may preserve overlooked reservoirs of antimicrobial resistance (AMR) and bioactive potential. This study reports the first whole-genome sequencing and functional characterization of Psychrobacter sp. SC65A.3 isolated […]

Posted inAnalog Studies, Arctic / Antarctic / Alpine, Away Teams & Field Reports, Caves, Craters, Mountains, Subsurface, Lava Tubes, Cryobiology, Extremeophiles and Extreme Environments, Microbiology & Virology, Polar / Alpine Expeditions, Press Release

CRREL Researchers Discover New Microbe Species Frozen In Alaskan Permafrost

by Keith Cowing

Research microbiologists at the U.S. Army Engineer Research and Development Center’s Cold Regions Research and Engineering Laboratory (CRREL) recently discovered 26 new species of microorganisms.

Posted inAnalog Studies, Arctic / Antarctic / Alpine, Away Teams & Field Reports, Biosignatures & Paleobiology, Caves, Craters, Mountains, Subsurface, Lava Tubes, Cryobiology, Exploration Gear & Tech, Extremeophiles and Extreme Environments, Habitable Zones, Icy Worlds, Mapping, Geodesy, Cartography, Bathymetry, Microbiology & Virology, Sample Return, Status Report, Tricorders & Sensors

Setting A Polyphasic Approach To Study Antarctic Cryptoendolithic Communities As A Toolkit For Astrobiology

by Keith Cowing

The present study has set up a pilot experiment to optimise the most promising assays for investigating the survival of Antarctic microbial cryptoendolithic communities – a natural astrobiological benchmark – […]

Posted inArctic / Antarctic / Alpine, Atmospheres, Climate, Weather, Biogeochemical Cycles & Geobiology, Biophysics, Biosignatures & Paleobiology, Cryobiology, Europa, Habitable Zones, Icy Worlds, Jupiter, Press Release, Water/Hycean Worlds & Oceanography

Jupiter’s Moon Europa Has A Seafloor That May Be Quiet And Lifeless

by Keith Cowing

The giant planet Jupiter has nearly 100 known moons, yet none have captured the interest and imagination of astronomers and space scientists quite like Europa, an ice-shrouded world that is […]

Posted inAnalog Studies, Arctic / Antarctic / Alpine, Away Teams & Field Reports, Biophysics, Biosignatures & Paleobiology, Cryobiology, Extremeophiles and Extreme Environments, Habitable Zones, Microbiology & Virology, Sample Return, Status Report

Cytoplasmic Fluidity And The Cold Life: Proteome Stability Is Decoupled From Viability In Psychrophiles

by Keith Cowing

Protein diffusion, critical for cellular metabolism, occurs in the highly crowded cytoplasm. Understanding how this dynamics changes when organisms are adapted to different thermal niches is a fundamental challenge in […]

Posted inAnalog Studies, Arctic / Antarctic / Alpine, Away Teams & Field Reports, Biophysics, Biosignatures & Paleobiology, Cryobiology, Extremeophiles and Extreme Environments, Genomics, Proteomics, Bioinformatics, Habitable Zones, Icy Worlds, Microbiology & Virology, Polar / Alpine Expeditions, Sample Return, Status Report

Subzero Cell Division, Respiration, And Genomic Traits Of Cryophilic Arthrobacter agilis Ant-EH-1 Isolated From Cold-arid Antarctic Mineral Soils

by Keith Cowing

Arthrobacter are commonly isolated from cold soil environments globally, including those that regularly reach sub-freezing temperatures, suggesting that Arthrobacter have significant potential for growth and activity under temperature and stress […]

Posted inAnalog Studies, Arctic / Antarctic / Alpine, Biochemistry & Organic Chemistry, Biophysics, Biosignatures & Paleobiology, Cryobiology, Genomics, Proteomics, Bioinformatics, Icy Worlds, Status Report, Water/Hycean Worlds & Oceanography

Multiple Roles Of DNA Methylation In Sea-ice Bacterial Communities And Associated Viruses

by Keith Cowing

Despite growing evidence for the role of DNA methylation in bacterial acclimation to environmental stress, this epigenetic mechanism remains unexplored in sea-ice microbial communities known to tolerate multiple stressors.

Posted inAnalog Studies, Biochemistry & Organic Chemistry, Biogeochemical Cycles & Geobiology, Biophysics, Biosignatures & Paleobiology, Cryobiology, Desert Worlds, Extremeophiles and Extreme Environments, Fossils & Paleontology, Habitable Zones, Icy Worlds, Mars, Microbiology & Virology, Missions & Hardware, Press Release, Robotics/Rovers/UAVs, Sample Return

Are There Living Microbes On Mars? Check The Ice.

by Keith Cowing

Frozen in time, ancient microbes or their remains could be found in Martian ice deposits during future missions to the Red Planet.

Posted inAstrochemistry, Astrogeology, Atmospheres, Climate, Weather, Biochemistry & Organic Chemistry, Biogeochemical Cycles & Geobiology, Biophysics, Biosignatures & Paleobiology, Cryobiology, Habitable Zones, Icy Worlds, Imaging & Spectroscopy, Origin & Evolution of Life, Press Release, Titan

Unexpected Discovery On Titan Challenges Our View On Chemistry Before Life Emerged

by Keith Cowing

Researchers at Chalmers University of Technology in Sweden and the US space agency NASA have made an unexpected discovery that challenges one of the basic rules of chemistry and provides […]

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

by Keith Cowing

Microbes from terrestrial extreme environments enable testing of biosignature production in conditions relevant to astrobiological targets.

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