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Archaea Biology Vienna

@archaea-vienna.bsky.social
310 followers 241 following 48 posts

We are the Archaea Biology and Ecogenomics group at the University of Vienna. This is a lab member-run account. archaea.univie.ac.at

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Reposted by Archaea Biology Vienna
Dimitris Dalkidis @dimdalk.bsky.social · 01/10/2026
So happy for this work! Huge thanks for the teamwork and the amazing collaborative effort to everyone participating in this! #archaea #nitrification #inhibitors #environmental #microbiology #nitrogencycle
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Reposted by Archaea Biology Vienna
Philipp Radler @radler92.bsky.social · 01/10/2026
The first paper of my PostDoc in Christa Schlepers group (@archaea-vienna.bsky.social) on the dynamics of Asgard archaea is now out in Nature! www.nature.com/articles/s41... This was a great team effort and I am looking forward to uncover the complex behavior of these cells further!
nature.com
Dynamic protrusions mediate crawling motility in Asgard archaea - Nature
Anoxic live-cell imaging shows actin-dependent crawling motility and dynamic protrusions in Asgard archaea, providing insights into cellular innovations that may have contributed to eukaryotic evoluti...
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Archaea Biology Vienna @archaea-vienna.bsky.social · 01/10/2026
Our paper on the dynamics of Asgard archaea (Promethearchaeota) is now out in Nature! Huge thanks to the reviewers for helping make the manuscript stronger. www.nature.com/articles/s41... Two “Lokis” stained for Lokiactin (FastAct, magenta), reaching toward each other to celebrate 🎉 #archaea
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Reposted by Archaea Biology Vienna
Svetlana Dodonova @dodonova-sveta.bsky.social · 30/09/2026
New preprint from Dodonova lab 🔔! Capturing multiple states by cryo-EM❄️, we show for the first time how archaeal RNA Polymerase engages a nucleosome and forms direct contacts with histones! 🧬 Great work by Gabriele & a fantastic collaboration with Dina Grohmann! 🧵 www.biorxiv.org/content/10.6...
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Archaea Biology Vienna @archaea-vienna.bsky.social · 30/09/2026
Congrats to Dimitri and all co-authors on their new publication! Common Nitrification Inhibitors Exhibit Distinct Mechanisms on the Ammonia-Oxidizing Archaeon Nitrososphaera viennensis A great and in-depth look at SNIs and AOA! @dimdalk.bsky.social #archaea #omics doi.org/10.1021/acs....
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Archaea Biology Vienna @archaea-vienna.bsky.social · 15/08/2026
Excited to share the final version of this great project! Oxygen production as an electron overflow pathway in ammonia-oxidizing archaea www.science.org/doi/10.1126/... #archaea #oxygen #AOA #nitrification #physiology
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Reposted by Archaea Biology Vienna
Nika Pende @nikapende.bsky.social · 13/08/2026
Happy to share that our review "Assessing transporter systems of methanogens to boost archaea biotechnology" is finally out! 🥳 Great collaboration between @archaea-vienna.bsky.social and Alto University! Thanks to all the co-authors and the reviewers 🥰 #methanogens #biotechnology #archaea
sciencedirect.com
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Archaea Biology Vienna @archaea-vienna.bsky.social · 03/07/2026
lewi.univie.ac.at/news-events/...
lewi.univie.ac.at
Christa Schleper elected to the National Academy of Sciences Leopoldina
The German National Academy of Sciences Leopoldina has announced the election of Christa Schleper as a new member in recognition of her outstanding contributions to scientific research. Schleper is a ...
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Reposted by Archaea Biology Vienna
Dimitris Dalkidis @dimdalk.bsky.social · 11/05/2026
Very excited to share my first preprint! Great teamwork and an amazing collaborative effort. Looking forward to the next one 😉
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Archaea Biology Vienna @archaea-vienna.bsky.social · 11/05/2026
Do biofilms give an ecological advantage? Yes! A fantastic follow-up to our previous biofilm work in ammonia-oxidizing archaea: "Biofilm Lifestyle Drives Ecophysiological Niche Expansion in an Archaeal Soil Nitrifier" www.biorxiv.org/content/10.6... Congratulations to all authors! #archaea
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Archaea Biology Vienna @archaea-vienna.bsky.social · 11/05/2026
We are excited to share a new preprint from Dimitris Dalkidis that identifies the effects of inhibitors DMPP and ATU in ammonia-oxidizing archaea! #archaea "Common nitrification inhibitors exhibit varied physiological mechanisms on an ammonia-oxidizing microorganism" www.biorxiv.org/content/10.6...
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Reposted by Archaea Biology Vienna
Nika Pende @nikapende.bsky.social · 07/05/2026
Science communication from my group coming up on the 19th of May - Pint of Science 🍺 Cheers ☺️ pintofscience.at/event/zusamm...
pintofscience.at
Zusammen stark: Interaktionen zwischen Lebewesen
Von Pilzen im Wald bis Mikroben im Darm, Lebewesen sind erstaunlich vernetzt! Zwei Forschende zeigen, wie Pflanzen und Pilze zusammenarbeiten und welche Ro...
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Archaea Biology Vienna @archaea-vienna.bsky.social · 22/04/2026
langenachtderforschung.at/station/6663 Join us for the "Lange Nacht der Forschung"!
langenachtderforschung.at
HOT, COOL und (fast) AUSSERIRDISCH: Wie können Mikroorganismen in extremen Lebensräumen leben? - #LNF26 Lange Nacht der Forschung
Gemeinsam entdecken wir die Überlebenskünstler unter den Mikroben: Sie leben in brodelnden Vulkanquellen, in Säurepfützen, Eis und Schnee oder auf dem Boden des Ozeans. Ja manche trotzen sogar Weltrau...
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Reposted by Archaea Biology Vienna
STCmicrobeblog @stcmicrobeblog.bsky.social · 23/03/2026
Cultivating the Ancestors… in Motion What electron microscope images hint at, but can only be seen in videos: how 'Asgard' archaea move.
smallthingsconsidered.blog
Cultivating the Ancestors… in Motion
What electron microscope images hint at, but can only be seen in videos: how 'Asgard' archaea move.
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Archaea Biology Vienna @archaea-vienna.bsky.social · 13/03/2026
Available now on BBC radio "In our time: Archaea" with Christa Schleper, Thorsten Allers and Buzz Baum discussing the evolution of complex cells with Misha Glenny. www.bbc.co.uk/programmes/m...
bbc.co.uk
BBC Radio 4 - In Our Time, Archaea
How a discovery in the 1970s changed the theory of the origin of complex life on earth.
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Archaea Biology Vienna @archaea-vienna.bsky.social · 13/03/2026
Slow and steady! After 15 years of continuous cultivation, we finally isolated the first psychrotolerant ammonia-oxidizing archaeon (AOA) from an arctic environment, Ca. Nitrosocosmicus articus! Our new article in Frontiers in Microbiology: doi.org/10.3389/fmic...
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Archaea Biology Vienna @archaea-vienna.bsky.social · 06/03/2026
Our Review Article is online! We are happy to share our summary about molecular and cellular biological discoveries in archaea that have long foreshadowed a close relationship to eukaryotes, which is now so well manifested in the Asgard archaea. link.springer.com/article/10.1...
link.springer.com
Asgard archaea: have we found our microbial ancestors? - The EMBO Journal
The discovery of Asgard archaea about a decade ago has greatly reshaped our understanding of archaeal evolution and the origin of eukaryotes. Asgards are currently thought to be the closest prokaryoti...
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Archaea Biology Vienna @archaea-vienna.bsky.social · 05/03/2026
Congratulations Silvia Bulgheresi, PROSE Award Category Winner for her book Brave Genomes: shop.elsevier.com/books/brave-...
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Archaea Biology Vienna @archaea-vienna.bsky.social · 19/02/2026
Thank you @carlzimmer.com for sharing the excitement for our favorite organisms and introducing them to the broader audience! www.nytimes.com/2026/02/18/s...
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Archaea Biology Vienna @archaea-vienna.bsky.social · 18/02/2026
Interview with Isabelle Zink and Wolfram Weckwerth on plants and microbes under stress: rudolphina.univie.ac.at/en/viruses-h...
rudolphina.univie.ac.at
Viruses, heat, drought: How microbes and plants survive
Viruses, heat, drought: Microbes and plants endure a lot and have developed amazing survival strategies. Biologists such as Isabelle Zink and Wolfram Weckwerth from the University of Vienna aim to bet...
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Archaea Biology Vienna @archaea-vienna.bsky.social · 16/02/2026
We are happy to share our newest preprint on a novel strain of Ca. Lokiarchaeum ossiferum, that contains an active provirus, capable of excision and independent replication! We propose a novel virus family: Fylgjaviridae. www.biorxiv.org/content/10.6...
biorxiv.org
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Reposted by Archaea Biology Vienna
Soil Microbial Ecology Group @soilmicrobes.bsky.social · 29/12/2025
📣 We are happy to announce two University of Lyon-China Scholarship Council-funded #PhD projects examining Soil Virus Ecology! 🦠 ✍️ To apply: please send a detailed CV and letter of motivation by January 30, 2026. Interviews will take place in February. Further details can be found here 👇
soilmicrobes.fr
Join
Let’s Team Up Vacancies PhD Scholarship: University of Lyon – China Scholarship Council TOPIC: Probing the soil RNA virosphere: Viral interactions with key microbial drivers of biogeoch…
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Archaea Biology Vienna @archaea-vienna.bsky.social · 18/12/2025
1. As we recently joined BlueSky, we want to repost this story for all newcomers! We sat down with @radler92.bsky.social to get more insight into the unique videos from his recent preprint on Promethearchaeota (formerly Asgard archaea). doi.org/10.1101/2025... (Videos and info below)
doi.org
Dynamic protrusions mediate unique crawling motility in Asgard Archaea (Promethearchaeota)
Crawling motility is a hallmark of eukaryotic cells and requires a dynamic actin cytoskeleton, regulated adhesion, and spatially organized signalling pathways1–3. Asgard archaea (phylum Promethearchae...
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Reposted by Archaea Biology Vienna
Antoine Hocher @ahocher.bsky.social · 16/12/2025
Are you a long-time fan of Archaea, an extremophile-phile, or are you simply curious? Either way, we have good news. We’re delighted to announce the 2026 EMBO Workshop on Archaea, 6–10 July. Sign up: meetings.embo.org/event/26-arc... We look forward to seeing you in Cambridge, UK Please repost!!
meetings.embo.org
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Reposted by Archaea Biology Vienna
Anne Daebeler @anne-daebeler.bsky.social · 15/12/2025
🚨 New paper out: Ecogenomics of Methylobacter 🦠 - three different MMOs to oxidize CH4 in single species - machinery for nitrogen, sulfur, iron, and hydrogen metabolisms - adaptations to low O2 conditions ... led by @wutkowska.bsky.social tinyurl.com/pmntwuk6 #MicrobeSky #pangenome
academic.oup.com
Uncovering hidden phylo: and ecogenomic diversity of the widespread methanotrophic genus Methylobacter
Abstract. The globally distributed genus Methylobacter plays a crucial role in mitigating methane emissions from diverse ecosystems, including freshwater a
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Reposted by Archaea Biology Vienna
Roland Hatzenpichler @environmicrobio.bsky.social · 12/12/2025
“Cultivation of Methanonezhaarchaeia, the third class of methanogens within the phylum Thermoproteota” by @kohtzarchaeota.bsky.social, Sylvia Nupp, and myself is out in Science Advances. 90% enriched culture of a methyl-dismutating thermoproteotal methanogen. #Microsky 🧪 tinyurl.com/bdcc3uzs
science.org
Cultivation of Methanonezhaarchaeia, the third class of methanogens within the phylum Thermoproteota
The cultivation of a group of methanogens illuminates their metabolic diversity and the evolution of archaea.
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Reposted by Archaea Biology Vienna
Kathi Kitzinger @kathikitzinger.bsky.social · 11/12/2025
🧪🦠🌊 Curious on #niche differentiation of marine #AOA #Nitrosopumilus and #Nitrosopelagicus? #Urea is (part of) the answer! Very happy this fun study led by @mpimarinemicrobio.bsky.social is out: shorturl.at/wajjh Big shout out to Joerdis and Hannah for pushing this over the finish line!
nature.com
Urea use drives niche separation between dominant marine ammonia oxidizing archaea - Nature Communications
Two groups of ammonia-oxidizing archaea drive marine nitrification. Stuehrenberg et al. reveal that their distribution reflects substrate use, with one relying on urea and the other on ammonia to main...
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Reposted by Archaea Biology Vienna
Smart Alyk @smartalyk.bsky.social · 08/12/2025
DAY 186 SPECIES 186 - Nitrososphaera viennensis STAGE: Archaea MEDIUM: Arches Paper. Chromatek, HWC & QoR Watercolor. Sakura pen. Tombow pencils NOTES: Don't mind me, doing some experimenting 🤪 #sciart #watercolor #archaea #painting #art #paint
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Archaea Biology Vienna @archaea-vienna.bsky.social · 07/12/2025
🎄🧬 It’s December – time for an 'Immunocalendar': “CRISPR CRISPR KNÄUSCHEN”! Every day we open a new door onto a different prokaryotic immune system, with extra love for archaeal hosts. Crafted by the Zink Group within our department :) Have a wonderful Christmas time! ✨
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Reposted by Archaea Biology Vienna
Antoine Hocher @ahocher.bsky.social · 05/12/2025
Our study of the evolution of the ParB NTP binding domain across the Tree of Life is now published! An awesome collaboration with @tunglejic.bsky.social led by @jovanakaljevic.bsky.social at the John Ines Center. Thanks to editors and reviewers. www.pnas.org/doi/10.1073/...
pnas.org
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Reposted by Archaea Biology Vienna
Jovana Kaljević ⬜️ @jovanakaljevic.bsky.social · 04/12/2025
Our preprint is now published in PNAS! This came together thanks to a great collaboration with Antoine Hocher and a strong team effort from the Le Lab. Thank you to the reviewers and to everyone who helped improve it. I hope ParB aficionados will enjoy it. www.pnas.org/doi/10.1073/...
pnas.org
Versatile NTP recognition and domain fusions expand the functional repertoire of the ParB-CTPase fold beyond chromosome segregation | PNAS
Nucleotide triphosphate (NTP)-dependent molecular switches regulate essential cellular processes by cycling between active and inactive states thro...
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Archaea Biology Vienna @archaea-vienna.bsky.social · 05/12/2025
Fresh from our group, a new role for oxygen production in ammonia-oxidizing archaea: Oxygen production as an electron overflow pathway in ammonia-oxidizing archaea Congrats to Thomas Pribasnig for this great work! Check it out here: www.biorxiv.org/content/10.6...
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Archaea Biology Vienna @archaea-vienna.bsky.social · 03/12/2025
Crawling motility of Lokiarchaeum ossiferum, our favorite Asgard Archaeon.
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Archaea Biology Vienna @archaea-vienna.bsky.social · 03/12/2025
An Asgard Archaeon (Lokiarchaeum ossiferum) growing and retracting its arms
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Archaea Biology Vienna @archaea-vienna.bsky.social · 03/12/2025
Asgard on the move ! Watch our videos! Biorxiv.org/content/10.1101/2025.11.30.690169v1
biorxiv.org
Dynamic protrusions mediate unique crawling motility in Asgard Archaea (Promethearchaeota)
Crawling motility is a hallmark of eukaryotic cells and requires a dynamic actin cytoskeleton, regulated adhesion, and spatially organized signalling pathways1–3. Asgard archaea (phylum Promethearchae...
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