#eukaryote — Public Fediverse posts
Live and recent posts from across the Fediverse tagged #eukaryote, aggregated by home.social.
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M.M. Sandin et al. (preprint, 2025) "inferred a timeline of #eukaryoteevolution using molecular clock and birth-death diversification models". They used a "#dataset of 75,975 non-redundant...#taxonomicunits and 77 well-supported fossil calibrations" and reconstructed an #evolutionary #diversification of #eukaryote #crowngroup representatives in the Proterozoic (ca. 2.5 billion to 541 million y. ago).
StefanFWirthRef
https://doi.org/10.64898/2025.12.12.693929Fig
M.M.Sandin et al.(2025), http://creativecommons.org/licenses/by-nc-nd/4.0/ -
M.M. Sandin et al. (preprint, 2025) "inferred a timeline of #eukaryoteevolution using molecular clock and birth-death diversification models". They used a "#dataset of 75,975 non-redundant...#taxonomicunits and 77 well-supported fossil calibrations" and reconstructed an #evolutionary #diversification of #eukaryote #crowngroup representatives in the Proterozoic (ca. 2.5 billion to 541 million y. ago).
StefanFWirthRef
https://doi.org/10.64898/2025.12.12.693929Fig
M.M.Sandin et al.(2025), http://creativecommons.org/licenses/by-nc-nd/4.0/ -
A newly indetified marine eukaryote which seems to be a unique (potential ancient) branch of life 🙂
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A newly indetified marine eukaryote which seems to be a unique (potential ancient) branch of life 🙂
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‘We’re All Asgardians’ a talk on the origins of Eukaryotes (us) with implications for our present-day immune systems by Brett Baker, University of Texas, Austin. Dr. Baker inaugurated the EPS Wares Distinguished Public Lecture series.
Eukaryotic cells are most closely related to the 'Hod' branch of the Asgard branch of the Archaea.
#Eukaryote #Archaea #Evolution #UTAustin #McGillIUniversity #EarthSystemScience #WaresLecture
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‘We’re All Asgardians’ a talk on the origins of Eukaryotes (us) with implications for our present-day immune systems by Brett Baker, University of Texas, Austin. Dr. Baker inaugurated the EPS Wares Distinguished Public Lecture series.
Eukaryotic cells are most closely related to the 'Hod' branch of the Asgard branch of the Archaea.
#Eukaryote #Archaea #Evolution #UTAustin #McGillIUniversity #EarthSystemScience #WaresLecture
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In 1925, Édouard Chatton distinguished prokaryote from eukaryote cell types. #Poetry #Science #History #Biology #Prokaryote #Eukaryote #Chatton (https://sharpgiving.com/thebookofscience/items/p1925e.html)
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In 1925, Édouard Chatton distinguished prokaryote from eukaryote cell types. #Poetry #Science #History #Biology #Prokaryote #Eukaryote #Chatton (https://sharpgiving.com/thebookofscience/items/p1925e.html)
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In 1925, Édouard Chatton distinguished prokaryote from eukaryote cell types. #Poetry #Science #History #Biology #Prokaryote #Eukaryote #Chatton (https://sharpgiving.com/thebookofscience/items/p1925e.html)
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New publication: The European Reference #Genome Atlas: piloting a decentralised approach to equitable #biodiversity genomics. #genomics #eukaryote #sequencing
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Earth's Billion-Year Balancing Act
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https://phys.org/news/2024-02-earth-billion-year.html <-- shared technical article
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https://doi.org/10.1130/GSATG423C.1 <-- shared paper
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#geology #geologichistory #BoringBillion #BalancedBillion #earth #earthhistory #life #lifeonearth #atmosphere #oxygenation #structuralgeology #tectonics #complexlife #eukaryote #platetectonics #crust #mantle #core -
Earth's Billion-Year Balancing Act
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https://phys.org/news/2024-02-earth-billion-year.html <-- shared technical article
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https://doi.org/10.1130/GSATG423C.1 <-- shared paper
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#geology #geologichistory #BoringBillion #BalancedBillion #earth #earthhistory #life #lifeonearth #atmosphere #oxygenation #structuralgeology #tectonics #complexlife #eukaryote #platetectonics #crust #mantle #core -
"..the oldest #eukaryote-bearing units already show species richness levels similar to those of the much younger & more heavily sampled Tonian period..these oldest eukaryotic assemblages show significant morphological disparity, particularly in #vesicle construction. These high levels of..species richness & morphological disparity suggest that although late Palaeoproterozoic units preserve our oldest record of #eukaryotes, the eukaryotic clade has a much deeper #history"
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"..the oldest #eukaryote-bearing units already show species richness levels similar to those of the much younger & more heavily sampled Tonian period..these oldest eukaryotic assemblages show significant morphological disparity, particularly in #vesicle construction. These high levels of..species richness & morphological disparity suggest that although late Palaeoproterozoic units preserve our oldest record of #eukaryotes, the eukaryotic clade has a much deeper #history"
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These #microbes have been thriving without #mitochondria since the age of #dinosaurs!
7 years ago, we identified the first known #eukaryote that has completely lost its mitochondria in a humble inhabitant of #chinchilla's gut - #Monocercomonoides exilis.
Today, we can say with confidence, that this intriguing simplification of the cell is not unique to M. exilis, but shared with many of its relatives. This means that it happened at least 100 million years ago!
https://journals.plos.org/plosgenetics/article?id=10.1371/journal.pgen.1011050
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These #microbes have been thriving without #mitochondria since the age of #dinosaurs!
7 years ago, we identified the first known #eukaryote that has completely lost its mitochondria in a humble inhabitant of #chinchilla's gut - #Monocercomonoides exilis.
Today, we can say with confidence, that this intriguing simplification of the cell is not unique to M. exilis, but shared with many of its relatives. This means that it happened at least 100 million years ago!
https://journals.plos.org/plosgenetics/article?id=10.1371/journal.pgen.1011050
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“Lost World” of Ancient Creatures Discovered – 1.6 Billion-Year-Old Eukaryotic Organisms https://scitechdaily.com/lost-world-of-ancient-creatures-discovered-1-6-billion-year-old-eukaryotic-organisms/ #palaeontology #paleontology #microbiology #eukaryote #fossils #science
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“Lost World” of Ancient Creatures Discovered – 1.6 Billion-Year-Old Eukaryotic Organisms https://scitechdaily.com/lost-world-of-ancient-creatures-discovered-1-6-billion-year-old-eukaryotic-organisms/ #palaeontology #paleontology #microbiology #eukaryote #fossils #science
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When was the first time life began to prey on each other? https://phys.org/news/2022-12-life-began-prey.html
A case for an active #eukaryotic marine #biosphere during the #Proterozoic era: Lisa Eckford-Soper et al. https://www.pnas.org/doi/abs/10.1073/pnas.2122042119
"We use a size- & trait-based ecosystem model to show that the #microfossil record is most compatible with an active #eukaryote #ecosystem conducting #osmotrophy, #photosynthesis, #phagotrophy. Marine #ecosystems 1,700-780 Ma were far more active, diverse than generally thought."
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When was the first time life began to prey on each other? https://phys.org/news/2022-12-life-began-prey.html
A case for an active #eukaryotic marine #biosphere during the #Proterozoic era: Lisa Eckford-Soper et al. https://www.pnas.org/doi/abs/10.1073/pnas.2122042119
"We use a size- & trait-based ecosystem model to show that the #microfossil record is most compatible with an active #eukaryote #ecosystem conducting #osmotrophy, #photosynthesis, #phagotrophy. Marine #ecosystems 1,700-780 Ma were far more active, diverse than generally thought."
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Cellular Landcape
https://gaelmcgill.artstation.com/projects/Pm0JL1
https://www.cellsignal.com/pathways/cellular-landscapes
Cell Signaling Technology
https://www.digizyme.com/cst_landscapes.html
#cell signaling #eukaryote #mitochondria #transcription #Golgi #cytoskeleton #adhesion #protein synthesis
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# Introduction
From the Roscoff Biological Station (#CNRS and #Sorbonne University) as well as visiting prof at NTU Singapore. Developing reference databases for #eukaryote #metabarcoding (18S rRNA).
#microbiology #ecology #RStats
https://pr2-database.org/ -
Researchers figure out how to grow a relative of the first complex cells - Enlarge / A eukaryotic cell has a lot of complex structure that bacteria and archaea lack. (credit:... more: https://arstechnica.com/?p=1547653 #eukaryote #evolution #science #archaea #biology #asgard