Archaea, a domain of microorganisms found in diverse environments including the human microbiome, represent the closest known prokaryotic relatives of eukaryotes.
prokaryote
Posted inAstropharmacy / Biotechnology, Biochemistry & Organic Chemistry, Biogeochemical Cycles & Geobiology, Biophysics, Biosignatures & Paleobiology, Commercial & Private Sector, Extremeophiles and Extreme Environments, Genomics, Proteomics, Bioinformatics, Habitable Zones, Imaging & Spectroscopy, Microbiology & Virology, Origin & Evolution of Life, Press Release, ROVs/Submersibles/Diving, Sample Return, Water/Hycean Worlds & Oceanography
Extreme Engineering – Unlocking Design Secrets of Deep-sea Microbes
The microbe Pyrodictium abyssi is an archaeon — a member of what’s known as the third domain of life — and an extremophile. It lives in deep-sea thermal vents, at […]
Posted inBiochemistry & Organic Chemistry, Biophysics, Biosignatures & Paleobiology, Extremeophiles and Extreme Environments, Genomics, Proteomics, Bioinformatics, Habitable Zones, Microbiology & Virology, Origin & Evolution of Life, Press Release
Complex Life Developed Earlier Than Previously Thought, Nature Study Reveals
The research led by the University of Bristol was published in the scientific journal Nature 3 December, the research indicates that complex organisms evolved long before there were substantial levels […]
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 inGenomics, Proteomics, Bioinformatics, Microbiology & Virology, Origin & Evolution of Life, Press Release
The Eukaryotic Cell Emerged As An Evolutionary Algorithmic Phase Transition
An international collaboration between four senior scientists from Mainz, Valencia, Madrid, and Zurich has published groundbreaking research in the journal PNAS, shedding light on the most significant increase in complexity […]
Posted inBiochemistry & Organic Chemistry, Biogeochemical Cycles & Geobiology, Biosignatures & Paleobiology, Fossils & Paleontology, Origin & Evolution of Life, Status Report
The Nature Of LUCA – The Last Universal Common Ancestor – and its Impact on the Early Earth System
The nature of the last universal common ancestor (LUCA), its age and its impact on the Earth system have been the subject of vigorous debate across diverse disciplines, often based […]
Posted inBiosignatures & Paleobiology, Extremeophiles and Extreme Environments, Genomics, Proteomics, Bioinformatics, Microbiology & Virology, Status Report
CABO-16S: A Combined Archaea, Bacteria, Organelle 16S Database for Amplicon Analysis of Prokaryotes and Eukaryotes in Environmental Samples
Identification of both prokaryotic and eukaryotic microorganisms in environmental samples is currently challenged by either the burden of additional sequencing required to obtain both 16S and 18S rRNA sequences or […]
Posted inBiophysics, Genomics, Proteomics, Bioinformatics, Microbiology & Virology, Origin & Evolution of Life, Plant Biology, Press Release
The First Known Nitrogen-fixing Organelle
Modern biology textbooks assert that only bacteria can take nitrogen from the atmosphere and convert it into a form that is usable for life. Plants that fix nitrogen, such as […]
Posted inGenomics, Proteomics, Bioinformatics, Microbiology & Virology, Origin & Evolution of Life, Press Release
Decoding Conversations Between Microbes Of Hypersaline Environments Reveals Insights Into Origins Of Complex Life
Single-celled organisms, such as bacteria and archaea, have developed many ways to communicate with each other. For example, they might use tiny so-called extracellular vesicles (EVs) – membrane-enveloped packages smaller […]
Posted inBiochemistry & Organic Chemistry, Biophysics, Biosignatures & Paleobiology, Extremeophiles and Extreme Environments, Habitable Zones, Microbiology & Virology, Robotics/Rovers/UAVs, Status Report, Water/Hycean Worlds & Oceanography
Active Prokaryotic And Eukaryotic Viral Ecology Across Spatial Scale In A Deep-sea Brine Pool
Deep-sea brine pools represent rare, extreme environments that focus biodiversity at bathyal to abyssal depths. Despite their small size and distribution, brine pools represent important ecosystems to study because they […]