Posted inAnalog Studies, Away Teams & Field Reports, Biophysics, Extremeophiles and Extreme Environments, Genomics, Proteomics, Bioinformatics, Microbiology & Virology, Origin & Evolution of Life, Status Report

A Metagenome From a Steam Vent in Los Azufres Geothermal Field Shows an Abundance of Thermoplasmatales Archaea and Bacteria from the Phyla Actinomycetota and Pseudomonadota

Los Azufres National Park is a geothermal field that has a wide number of thermal manifestations; nevertheless, the microbial communities in many of these environments remain unknown.

Posted inAnalog Studies, Arctic / Antarctic / Alpine, Away Teams & Field Reports, Biochemistry & Organic Chemistry, Biogeochemical Cycles & Geobiology, Biosignatures & Paleobiology, Dale Andersen's Field Reports, Exploration Gear & Tech, Extremeophiles and Extreme Environments, Genomics, Proteomics, Bioinformatics, Habitable Zones, Icy Worlds, Microbiology & Virology, Robotics/Rovers/UAVs, ROVs/Submersibles/Diving, Status Report, Water/Hycean Worlds & Oceanography

Astrobiology Expedition To Lake Untersee, Antarctica: Genome-resolved Metagenomics Reveals Diverse Taxa And Metabolic Complexity

Lake Untersee, a lake in Antarctica that is perennially covered with ice, is home to unique microbial structures that are not lithified.

Posted inBiogeochemical Cycles & Geobiology, Biosignatures & Paleobiology, Extremeophiles and Extreme Environments, Gaia - Planetary Perspectives, Genomics, Proteomics, Bioinformatics, Habitable Zones, Microbiology & Virology, ROVs/Submersibles/Diving, Sample Return, Status Report, Water/Hycean Worlds & Oceanography

A Global Atlas Of Subsurface Microbiomes Reveals Phylogenetic Novelty, Large Scale Biodiversity Gradients, And A Marine-terrestrial Divide

Subsurface environments constitute one of Earth’s largest habitats for microbial life, yet differences between surface and subsurface microbiomes and between marine and terrestrial microbiomes remain unclear.

Posted inBiogeochemical Cycles & Geobiology, Biophysics, Biosignatures & Paleobiology, Extremeophiles and Extreme Environments, Genomics, Proteomics, Bioinformatics, Microbiology & Virology, Status Report

Hot Springs Viruses At Yellowstone National Park Have Ancient Origins And Are Adapted To Their Thermophilic Hosts

Geothermal springs in areas such as Yellowstone National Park (YNP), USA house unicellular red algae that dominate the microbial biomass. Little is known about the viruses that infect the biota.

Posted inBiochemistry & Organic Chemistry, Biogeochemical Cycles & Geobiology, Biosignatures & Paleobiology, Extremeophiles and Extreme Environments, Genomics, Proteomics, Bioinformatics, Microbiology & Virology, Status Report

Metagenome Mining And Functional Analysis Reveal Oxidized Guanine DNA Repair At The Lost City Hydrothermal Field

The GO DNA repair system protects against GC → TC mutations by finding and removing oxidized guanine. The system is mechanistically well understood but its origins are unknown. We searched […]

Posted inAway Teams & Field Reports, Extremeophiles and Extreme Environments, Genomics, Proteomics, Bioinformatics, Microbiology & Virology, Press Release, Water/Hycean Worlds & Oceanography

Immense Diversity And Interdependence In High Temperature Deep-Sea Microorganism Communities

A new study by researchers at Portland State University and the University of Wisconsin finds that a rich diversity of microorganisms live in interdependent communities in high-temperature geothermal environments in […]

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