[biorxiv.org] Asgard archaea are the closest known relatives of eukaryotes and are central to models of eukaryogenesis involving archaeal–bacterial symbiosis, yet the contribution of viruses remains unexplored.
Asgard archaea
Posted inBiosignatures & Paleobiology, Extremeophiles and Extreme Environments, Genomics, Proteomics, Bioinformatics, Microbiology & Virology, Origin & Evolution of Life, Press Release, Sample Return
From Asgard to Earth: Tiny Discoveries Hold Clues To Life’s Greatest Leap
Stromatolites – and their close relatives, microbial mats – could be mistaken for what seems like a bunch of old dark rocks. But instead, they are dense, layered communities of […]
Posted inAway Teams & Field Reports, Biosignatures & Paleobiology, Extremeophiles and Extreme Environments, Genomics, Proteomics, Bioinformatics, Habitable Zones, Microbiology & Virology, Origin & Evolution of Life, Sample Return, Status Report
Redox distribution Of Asgard Archaea And Co-occurring Taxa In Microbial Mats From An Early Proterozoic Ecosystem Analog
Eukaryotes originated from the symbiosis of an Asgard archaeon, the alphaproteobacterial ancestor of mitochondria, and possibly additional bacterial contributions.
Posted inGenomics, Proteomics, Bioinformatics, Microbiology & Virology, Nomenclature, Systematics, Natural History, Origin & Evolution of Life, Status Report
Asgard Archaea: Have We Found Our Microbial Aancestors?
The discovery of Asgard archaea about a decade ago has greatly reshaped our understanding of archaeal evolution and the origin of eukaryotes.
Posted inGenomics, Proteomics, Bioinformatics, Microbiology & Virology, Origin & Evolution of Life, Status Report
Asgard Archaeal Origin Of Microtubules
Eukaryotic cells change their shapes, actively segregate their DNA and contain membrane networks, facilitated by a complex cytoskeleton containing actin filaments, microtubules made from tubulin, and other components.
Posted inAI - Data - Apps - Cybernetics, Away Teams & Field Reports, Biosignatures & Paleobiology, Genomics, Proteomics, Bioinformatics, Microbiology & Virology, Origin & Evolution of Life, Press Release, ROVs/Submersibles/Diving, Sample Return, Water/Hycean Worlds & Oceanography
A Break In A Longstanding Mystery About The Origin Of Complex Life
The most widely accepted scientific explanation for the arrival of all complex life on Earth has had an unsolved mystery at its heart. According to the theory, all plants, animals […]
Posted inGenomics, Proteomics, Bioinformatics, Microbiology & Virology, Origin & Evolution of Life, Status Report
Dominant Contribution Of Asgard Archaea To Eukaryogenesis
The origin of eukaryotes is one of the key problems in evolutionary biology. The demonstration that the last eukaryotic common ancestor (LECA) already contained the mitochondrion—an endosymbiotic organelle derived from […]
Posted inAway Teams & Field Reports, Biochemistry & Organic Chemistry, Biophysics, Biosignatures & Paleobiology, Genomics, Proteomics, Bioinformatics, Microbiology & Virology, Nanotechnology & SynBio, Sample Return, Status Report
An Asgard Archaeon With Internal Membrane Compartments
The emergence of eukaryotes from a merger between an archaeon and a bacterial cell ~two billion years ago involved a profound change in cellular organisation.
Posted inExtremeophiles and Extreme Environments, Genomics, Proteomics, Bioinformatics, Microbiology & Virology, Origin & Evolution of Life, Press Release
Deep Origin Of Eukaryotes Outside Heimdallarchaeia Within Asgardarchaeota
Research on the morphology, physiology and genomics of Asgard archaea has provided valuable insights into the evolutionary history of eukaryotes.
Posted inGenomics, Proteomics, Bioinformatics, Microbiology & Virology, Press Release
Modern Immunity And Ancient Microbes
When you get infected with a virus, some of the first weapons your body deploys to fight it were passed down to us from our microbial ancestors billions of years […]