Introduction Microgravity is a critical environmental factor in space that can alter microbial physiology and virus–host interactions. Understanding these effects is essential for planetary protection and crew health during long-term […]
virus
Posted inAnalog Studies, Away Teams & Field Reports, Biophysics, Biosignatures & Paleobiology, Desert Worlds, Exploration Gear & Tech, Extremeophiles and Extreme Environments, Habitable Zones, Microbiology & Virology, Origin & Evolution of Life, Press Release, Sample Return
The Hidden Viral Network: How Viruses Shape Microbial Adaptability and Biogeochemical Cycling in the Polyextreme Mars-Analog Qaidam Basin Desert
Viruses play essential roles in shaping the structure and function of microbial communities, including those inhabiting extreme environments.
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
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 inGenomics, Proteomics, Bioinformatics, Microbiology & Virology, Status Report
Obelisks: Newly-Discovered Viroid-like Colonists Of Human Microbiomes
Editor’s note: researchers were surprised recently when an unexpected and rather novel biological structure was found inside the cells of the human gut. Nicknamed “obelisks” due to their shape, these […]
Posted inArctic / Antarctic / Alpine, Away Teams & Field Reports, Biosignatures & Paleobiology, Exploration Gear & Tech, Genomics, Proteomics, Bioinformatics, Habitable Zones, Icy Worlds, Microbiology & Virology, Origin & Evolution of Life, Press Release, ROVs/Submersibles/Diving, Sample Return
Viruses in Polar Oceans Follow Rhythms Of Earth’s Seas
Viruses in the cold waters of the Arctic are strongly seasonal and are also detected in the Antarctic.
Posted inAnalog Studies, Biosignatures & Paleobiology, Desert Worlds, Extremeophiles and Extreme Environments, Habitable Zones, Microbiology & Virology, Press Release
Desert Lichen Offers New Evidence For The Possibility Of Life On Other Planets
Lichen from the Mojave Desert can survive, and replicate, under levels of extreme solar radiation found on Earth-like planets in other solar systems.
Posted inBiophysics, Biosignatures & Paleobiology, Extremeophiles and Extreme Environments, Genomics, Proteomics, Bioinformatics, Interstellar, Origin & Evolution of Life, Panspermia, Radiation, Status Report
Virolithopanspermia: Might Viruses Be Transported In Rocks Through Space?
Material can apparently move between planets, at least on rare occasions. For example, meteorites have been found on Earth that appear to have originated on Mars, or even outside our […]
Posted inAstropharmacy / Biotechnology, Biochemistry & Organic Chemistry, Biogeochemical Cycles & Geobiology, Extremeophiles and Extreme Environments, Genomics, Proteomics, Bioinformatics, Microbiology & Virology, Press Release, Water/Hycean Worlds & Oceanography
230 New Giant Viruses Discovered That Shape Earth’s Oceans
Giant viruses play a role in the survival of single-celled marine organisms called protists. These include algae, amoeba, and flagellates, that form the base of ocean food webs. And since […]
Posted inAnalog Studies, Biophysics, Biosignatures & Paleobiology, Extremeophiles and Extreme Environments, Microbiology & Virology, Origin & Evolution of Life, Status Report
Viral Activity In Lake Analogs Of Anoxic Early Earth Oceans
Background Meromictic lakes, with their stratified water columns, are modern analogs for ancient euxinic (anoxic and sulfidic) oceans, where anaerobic sulfur-oxidizing purple and green sulfur bacteria (PSB and GSB) dominated […]
Posted inBiosignatures & Paleobiology, Extremeophiles and Extreme Environments, Microbiology & Virology, Nanotechnology & SynBio, Press Release
New Giant Virus Jyvaskylavirus Isolated In Finland
For the first time in Finland, researchers at the Nanoscience Center in University of Jyväskylä, Finland, have isolated a giant virus, which was named Jyvaskylavirus. The discovery shows that giant […]