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Glyn MoodyAll life on Earth comes from one single ancestor, and now we know what it was - <a href="https://www.earth.com/news/luca-last-universal-common-ancestor-progenitor-all-life-on-earth/" rel="nofollow noopener noreferrer" translate="no" target="_blank">https://www.earth.com/news/luca-last-universal-common-ancestor-progenitor-all-life-on-earth/</a> impressive how even 4.2 billion years ago they were using Italian names <a href="https://mastodon.social/tags/luca" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#luca</a>

Rod2ik 🇪🇺 🇨🇵 🇪🇸 🇺🇦 🇨🇦 🇩🇰 🇬🇱Toute <a href="https://mastodon.social/tags/vie" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#vie</a> sur <a href="https://mastodon.social/tags/Terre" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#Terre</a> provient d'un seul ancêtre: <a href="https://mastodon.social/tags/LUCA" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#LUCA</a>. Et il est bien plus ancien qu'on ne le pensait<a href="https://www.science-et-vie.com/science-et-culture/toute-vie-sur-terre-provient-dun-seul-ancetre-luca-et-il-est-bien-plus-ancien-quon-ne-le-pensait-193878.html" rel="nofollow noopener noreferrer" translate="no" target="_blank">https://www.science-et-vie.com/science-et-culture/toute-vie-sur-terre-provient-dun-seul-ancetre-luca-et-il-est-bien-plus-ancien-quon-ne-le-pensait-193878.html</a>

qurlyjoeLife on Earth may have started earlier than previously thought.All life on Earth can be traced back to a Last Universal Common Ancestor, or LUCA. A study suggests that this organism likely lived on Earth only 400 million years after its formation.Further analysis also shows that this life form likely sported an early immune system, which means it was probably fighting off viruses.<a href="https://www.popularmechanics.com/science/environment/a64186168/single-ancestor-life-luca-discovery/" rel="nofollow noopener noreferrer" translate="no" target="_blank">https://www.popularmechanics.com/science/environment/a64186168/single-ancestor-life-luca-discovery/</a><a href="https://mstdn.social/tags/science" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#science</a> <a href="https://mstdn.social/tags/luca" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#luca</a>

sven_mdspongebob got them at mrs. puff's boating-school too<a href="https://mastodon.social/tags/charts" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#charts</a> to <a href="https://mastodon.social/tags/print" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#print</a> : <a href="https://www.pinterest.com/pin/589830882459121556/" rel="nofollow noopener noreferrer" translate="no" target="_blank">https://www.pinterest.com/pin/589830882459121556/</a><a href="https://mastodon.social/tags/motivation" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#motivation</a> <a href="https://www.pinterest.com/pin/396457573465231518/" rel="nofollow noopener noreferrer" translate="no" target="_blank">https://www.pinterest.com/pin/396457573465231518/</a><a href="https://www.pinterest.com/pin/363384263706925977/" rel="nofollow noopener noreferrer" translate="no" target="_blank">https://www.pinterest.com/pin/363384263706925977/</a><a href="https://mastodon.social/tags/dots" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#dots</a> <a href="https://www.pinterest.com/pin/70437489433046/" rel="nofollow noopener noreferrer" translate="no" target="_blank">https://www.pinterest.com/pin/70437489433046/</a><a href="https://mastodon.social/tags/reward" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#reward</a> <a href="https://mastodon.social/tags/panda" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#panda</a> <a href="https://mastodon.social/tags/bamboo" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#bamboo</a> <a href="https://mastodon.social/tags/green" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#green</a> <a href="https://mastodon.social/tags/jungle" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#jungle</a> <a href="https://www.pinterest.com/pin/60094976272860988/" rel="nofollow noopener noreferrer" translate="no" target="_blank">https://www.pinterest.com/pin/60094976272860988/</a><a href="https://mastodon.social/tags/mermaid" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#mermaid</a> <a href="https://mastodon.social/tags/swimming" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#swimming</a> <a href="https://mastodon.social/tags/underwater" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#underwater</a> <a href="https://mastodon.social/tags/luca" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#luca</a> <a href="https://www.pinterest.com/pin/14566398792807037/" rel="nofollow noopener noreferrer" translate="no" target="_blank">https://www.pinterest.com/pin/14566398792807037/</a><a href="https://mastodon.social/tags/princess" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#princess</a> <a href="https://mastodon.social/tags/fairy" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#fairy</a> <a href="https://mastodon.social/tags/fairytale" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#fairytale</a> <a href="https://mastodon.social/tags/fairytales" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#fairytales</a> <a href="https://mastodon.social/tags/wizard" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#wizard</a> <a href="https://mastodon.social/tags/wizards" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#wizards</a> <a href="https://mastodon.social/tags/mystic" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#mystic</a> <a href="https://www.pinterest.com/pin/12173861488060310/" rel="nofollow noopener noreferrer" translate="no" target="_blank">https://www.pinterest.com/pin/12173861488060310/</a><a href="https://mastodon.social/tags/dino" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#dino</a> <a href="https://mastodon.social/tags/roar" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#roar</a> <a href="https://mastodon.social/tags/dinosaur" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#dinosaur</a> <a href="https://www.pinterest.com/pin/146085581657907837/" rel="nofollow noopener noreferrer" translate="no" target="_blank">https://www.pinterest.com/pin/146085581657907837/</a>in case of tooters like to <a href="https://mastodon.social/tags/sticker" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#sticker</a> those?

Daniel FischerThe nature of the last universal common ancestor and its impact on the early Earth system: <a href="https://www.nature.com/articles/s41559-024-02461-1" rel="nofollow noopener noreferrer" translate="no" target="_blank">https://www.nature.com/articles/s41559-024-02461-1</a> -> New findings raise questions about when (and where) life began: <a href="https://bigthink.com/hard-science/new-findings-raise-questions-about-when-and-where-life-began/" rel="nofollow noopener noreferrer" translate="no" target="_blank">https://bigthink.com/hard-science/new-findings-raise-questions-about-when-and-where-life-began/</a> - a recent study pushes back the estimated age of the Last Universal Common Ancestor <a href="https://scicomm.xyz/tags/LUCA" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#LUCA</a> to around 4.2 billion years ago, several hundred million years older than previous estimates.

Radical Anthropology<a href="https://c.im/tags/Luca" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#Luca</a> -- last universal common ancestor, the progenitor of all known life on Earth...'born 4.2bn years ago. Back then our planet was no Eden but something of a hell on Earth: a seething mass of volcanoes pummelled by giant meteorites, and having recovered from a cosmic collision that blasted the world apart and created the moon from some of the fragments.'We wouldn't be here without that <a href="https://c.im/tags/moon" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#moon</a><a href="https://c.im/tags/lifeonearth" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#lifeonearth</a><a href="https://www.theguardian.com/science/2025/jan/19/luca-is-the-progenitor-of-all-life-on-earth-but-its-genesis-has-implications-far-beyond-our-planet" rel="nofollow noopener noreferrer" translate="no" target="_blank">https://www.theguardian.com/science/2025/jan/19/luca-is-the-progenitor-of-all-life-on-earth-but-its-genesis-has-implications-far-beyond-our-planet</a>

Ranjithsiji Siji :verified:Kerala science Slam 2024 @ IIT palakkad. Minister R bindu <a href="https://aana.site/tags/luca" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#luca</a>

Francis Mangion (M)Sabine Hossenfelder - "Life Began Much Faster Than We Thought." <a href="https://mastodon.social/tags/luca" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#luca</a> <a href="https://youtube.com/watch?v=wHWKfa7PdOE&si=Z1fBg5kr1MbCIQP0" rel="nofollow noopener noreferrer" translate="no" target="_blank">https://youtube.com/watch?v=wHWKfa7PdOE&si=Z1fBg5kr1MbCIQP0</a>

:glitchcat: :v02:No recuerdo si ya compartí esto o no (seguramente sí), pero lo adopto como mi carta de <a href="https://mas.to/tags/presentaci%C3%B3n" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#presentación</a>. Demasiada magia en, apenas, 8 segundos… :1000: <a href="https://mas.to/tags/Capusotto" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#Capusotto</a> <a href="https://mas.to/tags/DiegoCapusotto" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#DiegoCapusotto</a> <a href="https://mas.to/tags/PeterCapusotto" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#PeterCapusotto</a> <a href="https://mas.to/tags/PeterCapusottoYSusVideos" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#PeterCapusottoYSusVideos</a> <a href="https://mas.to/tags/Luca" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#Luca</a> <a href="https://mas.to/tags/LucaProdan" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#LucaProdan</a> <a href="https://mas.to/tags/Sumo" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#Sumo</a> <a href="https://mas.to/tags/Consumo" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#Consumo</a> <a href="https://mas.to/tags/EstiloDeVida" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#EstiloDeVida</a>

Burak GürsoyI know /a <a href="https://gursoy.social/tags/Luca" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#Luca</a>/, but not this one.<a href="https://en.wikipedia.org/wiki/Last_universal_common_ancestor" rel="nofollow noopener noreferrer" translate="no" target="_blank">https://en.wikipedia.org/wiki/Last_universal_common_ancestor</a>

Tasha Sounart 🎮🏰I'm on the Disney Treasure this week and our room is Luca- themed! Love these art pieces 💙 <a href="https://worldkey.io/tags/DisneyCruiseLine" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#DisneyCruiseLine</a> <a href="https://worldkey.io/tags/Pixar" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#Pixar</a> <a href="https://worldkey.io/tags/Luca" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#Luca</a>

Thibaultmol 🌈Been listening a lot to some of the music from <a href="https://en.osm.town/tags/Luca" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#Luca</a>. Thx to <a href="https://en.osm.town/@pietervdvn" class="u-url mention" rel="nofollow noopener noreferrer" target="_blank">@pietervdvn</a> again for recommending we all watch it together (<a href="https://tech.lgbt/@queerthoughts" class="u-url mention" rel="nofollow noopener noreferrer" target="_blank">@queerthoughts</a> also enjoyed it). <a href="https://www.youtube.com/watch?v=czIFDIg_0EU" rel="nofollow noopener noreferrer" translate="no" target="_blank">https://www.youtube.com/watch?v=czIFDIg_0EU</a>

Matt WillemsenMeet LUCA, the 4.2 billion-year-old cell that's the ancestor of all life on Earth today <a href="https://www.livescience.com/animals/meet-luca-the-4-2-billion-year-old-cell-that-s-the-ancestor-of-all-life-on-earth-today" rel="nofollow noopener noreferrer" translate="no" target="_blank">https://www.livescience.com/animals/meet-luca-the-4-2-billion-year-old-cell-that-s-the-ancestor-of-all-life-on-earth-today</a> <a href="https://mastodon.social/tags/Earth" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#Earth</a> <a href="https://mastodon.social/tags/life" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#life</a> <a href="https://mastodon.social/tags/bacteria" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#bacteria</a> <a href="https://mastodon.social/tags/LUCA" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#LUCA</a> <a href="https://mastodon.social/tags/ecosystem" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#ecosystem</a>

Mikko TuomiThe nature of the last universal common ancestor (<a href="https://scicomm.xyz/tags/LUCA" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#LUCA</a>) have been the subject of vigorous debate across diverse disciplines.Age estimates for LUCA are usually based on the fossil record, varying with every reinterpretation while <a href="https://scicomm.xyz/tags/metabolism" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#metabolism</a> has proven equally contentious.New results indicate that LUCA lived ~4.2 Ga ago and had a genome of at least 2.5 Mb, encoding around 2600 <a href="https://scicomm.xyz/tags/proteins" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#proteins</a>.<a href="https://scicomm.xyz/tags/evolution" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#evolution</a> <a href="https://scicomm.xyz/tags/abiogenesis" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#abiogenesis</a> <a href="https://www.nature.com/articles/s41559-024-02461-1" rel="nofollow noopener noreferrer" translate="no" target="_blank">https://www.nature.com/articles/s41559-024-02461-1</a>

Francis Mangion (M)<a href="https://mastodon.social/tags/LastUniversalCommonAncestor" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#LastUniversalCommonAncestor</a> <a href="https://mastodon.social/tags/LUCA" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#LUCA</a> <a href="https://mastodon.social/tags/NotTheFirstLivingOrganism" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#NotTheFirstLivingOrganism</a> Major Discoveries About LUCA - Organism All Life Evolved From. <a href="https://youtube.com/watch?v=DOUTF2cH4Ao&si=lbuLxeQMO7xKrUd4" rel="nofollow noopener noreferrer" translate="no" target="_blank">https://youtube.com/watch?v=DOUTF2cH4Ao&si=lbuLxeQMO7xKrUd4</a>

AstroGeo PodcastWir reden diese Woche über euer Feedback und es gab viel zu besprechen: 🔊 den Urknall und vor allem seine Lautstärke 🦠 das Alter des Urvorfahren allen Lebens LUCA ☄️ der interstellare Besucher Oumuamua➡️ <a href="https://astrogeo.de/astrogeoplankel-urknall-laerm-urvorfahr-oumamua/" rel="nofollow noopener noreferrer" translate="no" target="_blank">https://astrogeo.de/astrogeoplankel-urknall-laerm-urvorfahr-oumamua/</a> 🎧 Letzterer führte nicht nur zwischen Franzi und Karl zu Kontroversen - sondern auch zwischen euch! Zum Glück aber können wir ja über alles reden, nicht? 😎 <a href="https://chaos.social/tags/podcast" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#podcast</a> <a href="https://chaos.social/tags/space" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#space</a> <a href="https://chaos.social/tags/oumuamua" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#oumuamua</a> <a href="https://chaos.social/tags/originoflife" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#originoflife</a> <a href="https://chaos.social/tags/luca" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#luca</a>

Karl Voit :emacs: :orgmode:Der gemeinsame Vorfahre aller bekannten <a href="https://graz.social/tags/Lebewesen" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#Lebewesen</a> war überraschend modern - <a href="https://graz.social/tags/Pal%C3%A4ontologie" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#Paläontologie</a> <a href="https://www.derstandard.at/story/3000000231162/der-gemeinsame-vorfahre-aller-bekannten-lebewesen-war-ueberraschend-modern?ref=rss" rel="nofollow noopener noreferrer" translate="no" target="_blank">https://www.derstandard.at/story/3000000231162/der-gemeinsame-vorfahre-aller-bekannten-lebewesen-war-ueberraschend-modern?ref=rss</a>Sehr spannender Artikel über ein faszinierendes Grundlagen-Thema.<a href="https://graz.social/tags/Leben" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#Leben</a> <a href="https://graz.social/tags/Biologie" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#Biologie</a> <a href="https://graz.social/tags/Forschung" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#Forschung</a> <a href="https://graz.social/tags/DNA" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#DNA</a> <a href="https://graz.social/tags/LUCA" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#LUCA</a>

Chuck DarwinAge estimates for <a href="https://c.im/tags/LUCA" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#LUCA</a> (the 🔸Last Universal Common Ancestor of all life 🔸) are usually based on the fossil record, varying with every reinterpretation. The nature of LUCA’s metabolism has proven equally contentious, with some attributing all core metabolisms to LUCA, whereas others reconstruct a simpler life form dependent on geochemistry. Here we infer that LUCA lived ~4.2 Ga(billion years ago) through divergence time analysis of pre-LUCA gene duplicates, calibrated using microbial fossils and isotope records under a new cross-bracing implementation. Phylogenetic reconciliation suggests that LUCA had a genome of at least 2.5 Mb (2.49–2.99 Mb), encoding around 2,600 proteins, comparable to modern prokaryotes. Our results suggest LUCA was a prokaryote-grade anaerobic acetogen that possessed an early immune system. Although LUCA is sometimes perceived as living in isolation, we infer LUCA to have been part of an established ecological system. The metabolism of LUCA would have provided a niche for other microbial community members and hydrogen recycling by atmospheric photochemistry could have supported a modestly productive early ecosystem. <a href="https://www.nature.com/articles/s41559-024-02461-1" rel="nofollow noopener noreferrer" translate="no" target="_blank">https://www.nature.com/articles/s41559-024-02461-1</a>

Bruce Sterling @bruces*Hey, this seems great. Maybe we could rebuild the "Last Universal Common Ancestor" and use it to brew beer or something. <a href="https://mastodon.social/tags/LUCA" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#LUCA</a> <a href="https://www.nature.com/articles/s41559-024-02461-1" rel="nofollow noopener noreferrer" translate="no" target="_blank">https://www.nature.com/articles/s41559-024-02461-1</a>

Claude TrudelLes chercheurs ont fait la lumière sur le premier écosystème de la Terre, montrant qu'en quelques centaines de millions d'années après la formation planétaire, la vie sur Terre était déjà florissante 🔸 Tout ce qui est vivant aujourd'hui provient d'un seul ancêtre commun connu affectueusement sous le nom de LUCA <a href="https://www.sciencedaily.com/releases/2024/07/240712124116.htm" rel="nofollow noopener noreferrer" translate="no" target="_blank">https://www.sciencedaily.com/releases/2024/07/240712124116.htm</a> <a href="https://jasette.facil.services/tags/LUCA" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#LUCA</a> <a href="https://jasette.facil.services/tags/Terre" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#Terre</a> <a href="https://jasette.facil.services/tags/science" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#science</a> <a href="https://jasette.facil.services/tags/biologie" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#biologie</a> <a href="https://jasette.facil.services/tags/%C3%A9volution" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#évolution</a> <a href="https://jasette.facil.services/tags/g%C3%A9n%C3%A9tique" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#génétique</a>

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