The globe was hot and humid. The sea was teeming with life. Early squids, eel-like fish and sea worms hunted smaller animals. Above ground, however, nothing stirred. The animals had […]
evolution
![Effect of temperature on the peptide aggregation process. Left: side view of (ODAP—STEP) bilayer systems with peptides at 0 ns (a) and 500 ns at 353 K (b), 338 K (c), and 323 K (d); KSPFPFAA peptides are shown in mauve, while ODAP and STEP are in gray and green, respectively. Right: number of the clusters as a function of time formed during the 500 ns MD simulation with cutoff 0.6 nm at 353 K (e) (previously reported by the authors in Ref. [44]), 338 K (f), and 323 (g) -- Life](https://i0.wp.com/astrobiology.com/wp-content/uploads/2023/09/structural.png?resize=1200%2C716&ssl=1)
Posted inBiochemistry & Organic Chemistry, Biophysics, Genomics, Proteomics, Bioinformatics, Origin & Evolution of Life, Status Report
Structural Phenomena in a Vesicle Membrane Obtained through an Evolution Experiment: A Study Based on MD Simulations
The chemical evolution of biomolecules was clearly affected by the overall extreme environmental conditions found on Early Earth.
Posted inAtmospheres, Climate, Weather, Biochemistry & Organic Chemistry, Biogeochemical Cycles & Geobiology, Biosignatures & Paleobiology, Microbiology & Virology, Origin & Evolution of Life, Status Report
An Evolutionary Timescale For Bacteria Calibrated Using The Great Oxidation Event
Most of life’s diversity and history is microbial but it has left a meagre fossil record, greatly hindering understanding of evolution in deep time.
Posted inBiophysics, Extremeophiles and Extreme Environments, Genomics, Proteomics, Bioinformatics, Origin & Evolution of Life, Press Release
Artificial Cells Demonstrate That “Life Finds A Way”
“Listen, if there’s one thing the history of evolution has taught us is that life will not be contained. Life breaks free. It expands to new territories, and it crashes […]
Posted inFossils & Paleontology, Origin & Evolution of Life, Press Release, Water/Hycean Worlds & Oceanography
Discovery Of A 500-million-year-old Fossil Reveals The Astonishing Secrets Of Tunicate Origins
Karma Nanglu says his favorite animal is whichever one he’s working on. But his latest subject may hold first place status for a while: a 500-million-year-old fossil from the wonderfully […]
Posted inGenomics, Proteomics, Bioinformatics, Origin & Evolution of Life, Press Release
What Did Earth’s Earliest Animals Look Like?
For more than a century, biologists have wondered what the earliest animals were like when they first arose in the ancient oceans over half a billion years ago.
Posted inBiophysics, Genomics, Proteomics, Bioinformatics, Microbiology & Virology, Origin & Evolution of Life, Press Release
The Origins Of Multicellular Life: Long-term Experimental Evolution In The Lab
The world would look very different without multicellular organisms – take away the plants, animals, fungi, and seaweed, and Earth starts to look like a wetter, greener version of Mars. […]
Posted inFossils & Paleontology, Origin & Evolution of Life, Plant Biology, Press Release
Earth’s First Plants Are Likely To Have Been Branched
A new discovery by scientists at the University of Bristol changes ideas about the origin of branching in plants.
Posted inAway Teams & Field Reports, Biogeochemical Cycles & Geobiology, Biosignatures & Paleobiology, Origin & Evolution of Life, Press Release
Away Team Expedition To The Galápagos – Discovering What Darwin Couldn’t See
Editor’s note: As you read this release about an expedition to the Galápagos Islands think about how you’d conduct a systematic assay of new life forms as part of an […]
Posted inGenomics, Proteomics, Bioinformatics, Origin & Evolution of Life, Press Release
Ancient Proteins Offer New Clues About The Origin Of Life On Earth
By simulating early Earth conditions in the lab, researchers have found that without specific amino acids, ancient proteins would not have known how to evolve into everything alive on the […]