Aenigmarchaeota Archives

Schematic of a terrestrial subsurface environment. The top layer of the subsurface is generally unsaturated, with saturated layers below. Most aquifers exist in the saturated zone, within the top 100 m from the subsurface. The saturated zone consists of aquifers in permeable rock, loose material, or fractured rock. Outside of aquifers, rock fractures within the saturated zone are often water-filled. As depth increases, so do the temperature and pressure, whereas microbial diversity and abundance are highest closer to the surface. Organic carbon, water, and oxygen become increasingly unavailable with depth, whereas H2, CO2, and CH4 gases are abundant in the deep subsurface. -- ISME Journal

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

Microbial Ecology Of The Deep Terrestrial Subsurface

by Keith CowingMarch 25, 2025March 25, 2025

The terrestrial subsurface hosts microbial communities that, collectively, are predicted to comprise as many microbial cells as global surface soils.

Away 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

by Keith CowingMarch 8, 2023March 12, 2023

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 […]

Aenigmarchaeota

Microbial Ecology Of The Deep Terrestrial Subsurface

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

Why Europa’s Hidden Ocean May Be More Difficult To Reach Than Scientists Thought

Pinpointing Where Cells First Begin Copying DNA

Experimental Measurements of Benzene Ice Critical Saturation Ratios on Titan Tholins and Impact on the Microphysical Modeling of Titan’s South Polar Benzene Cloud

From Mars to Minas: Research Reclassifies Organisms That Thrive In Highly Saline Environments

Could Alien Signals Be Hiding On A Different Radio Channel?