Pseudomonadota
Posted inAnalog Studies, Arctic / Antarctic / Alpine, Biogeochemical Cycles & Geobiology, Biophysics, Biosignatures & Paleobiology, Cryobiology, Extremeophiles and Extreme Environments, Genomics, Proteomics, Bioinformatics, Icy Worlds, Microbiology & Virology, Sample Return, Status Report

Bipolar Investigation Of Near-surface Glacial Ice Reveals An Active Microbial Ecosystem Driven By Photosynthesis And Chemolithoautotrophy

by Keith Cowing

Despite extreme conditions including freezing temperatures, low water activity, and few nutrients, active microorganisms are thought to inhabit glacial ice, yet little is known about their identities and methods of […]

Posted inAway Teams & Field Reports, Biogeochemical Cycles & Geobiology, Biosignatures & Paleobiology, Extremeophiles and Extreme Environments, Genomics, Proteomics, Bioinformatics, Habitable Zones, Microbiology & Virology, Sample Return, Status Report

Microbial Communities Of Selected Regions Of The Deep Springs Lake Aquifer System

by Keith Cowing

Deep Springs Lake is a small, isolated, highly alkaline soda lake in Inyo County of Eastern California, USA. It is a seasonally filled salt lake or playa, and is part […]

Posted inBeta Pictoris, Biochemistry & Organic Chemistry, Biogeochemical Cycles & Geobiology, Biosignatures & Paleobiology, Gaia - Planetary Perspectives, Genomics, Proteomics, Bioinformatics, Habitable Zones, Microbiology & Virology, Origin & Evolution of Life, Status Report, Water/Hycean Worlds & Oceanography

Microbial N2O Reduction in Sulfidic Waters: Implications For Proterozoic Oceans

by Keith Cowing

Throughout Earth’s history, shifts in ocean redox influenced the bioavailability of trace metals, shaping the activity of microorganisms.

Posted inBiochemistry & Organic Chemistry, Genomics, Proteomics, Bioinformatics, Microbiology & Virology, Origin & Evolution of Life, Status Report

A Novel Quinone Biosynthetic Pathway Illuminates The Evolution Of Aerobic Metabolism

by Keith Cowing

The dominant organisms in modern oxic ecosystems rely on respiratory quinones with high redox potential (HPQs) for electron transport in aerobic respiration and photosynthesis. The diversification of quinones, from low […]

Posted inAtmospheres, Climate, Weather, Biogeochemical Cycles & Geobiology, Genomics, Proteomics, Bioinformatics, Imaging & Spectroscopy, Microbiology & Virology, Status Report

Microbial Composition Of Saharan Dust Plumes Deposited As Red Rain In Granada, Southern Spain

by Keith Cowing

During dust storms, also biological material is transported from arid areas such as the Sahara Desert. In the present work, rain samples containing significant amounts of mineral dust have been […]

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

by Keith Cowing

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 inAway Teams & Field Reports, Biosignatures & Paleobiology, Caves, Craters, Mountains, Subsurface, Lava Tubes, Exploration Gear & Tech, Extremeophiles and Extreme Environments, Habitable Zones, Mapping, Geodesy, Cartography, Bathymetry, Microbiology & Virology, Polar / Alpine Expeditions, Status Report

First Insights Into The Bacterial Diversity of Mount Etna Volcanic Caves

by Keith Cowing

While microbial communities in limestone caves across the world are relatively understood, knowledge of the microbial composition in lava tubes is lagging behind. These caves are found in volcanic regions […]

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