Cell Bio 2023-An ASCB|EMBO Meeting Network, learn, and collaborate with top cell biologists from around the globe.

🚨Hear, hear, fellow microbial cell biologists!🚨
🦠 Bacterial and Archaeal Cell Biology will be represented again at this year’s CELL BIO (ASCB-EMBO) meeting! The deadline to be considered for a talk in our Minisymposium is June 9. Help us spread the word!
www.ascb.org/cellbio2026/

Bridging the lipid divide: archaeal ESCRT-III binds phosphoinositol and polarises the cytokinetic membrane www.biorxiv.org/content/10.6...

👋 It’s been four weeks since our fantastic SFB 131 symposium, which featured an amazing line up and great participants.

🎬 Watch the video to relive the vibe!

Carbon monoxide metabolism in freshwater anaerobic methanotrophic archaea - Nature Communications Anaerobic methane-oxidizing archaea mitigate methane emissions in anoxic environments. Here, Egas et al. show that these microbes can also oxidize carbon monoxide, prompting re-evaluation of their cla...

Grab a coffee and enjoy reading up on CO metabolism in methanotrophs!

Freshwater ANME (own work):
www.nature.com/articles/s41...
Marine ANME (@Orphan lab):
www.nature.com/articles/s41...

Big thanks to our collaborators at QUT!
@sjmcilroy.bsky.social (Heyu/Andy/Gene!) @cuwelte.bsky.social

🚨 Archaea alert 🚨!! We’re back this Wednesday, April 22nd, at 10 AM EST / 4 PM CET with two exciting research talks! You won’t want to miss this so check your email for the Zoom link or visit the link in our bio for more info on how to join the community 🦠

One of biggest mysteries in biology: how did complex eukaryotic cells evolve from simple microbes? ~1.8 billion years ago, an archaeal cell likely merged with a bacterium to form the first eukaryotic cell, but can we ever find direct evidence of this transformative event? 🦠 🚶‍♂️

An Asgard archaeon from a modern analog of ancient microbial mats A novel Asgard archaeon, Nerearchaeum marumarumayae, is present in microbial mats in Shark Bay, Australia. Combining genomic and structural analyses, together with high-resolution electron cryotomography, Nobs et al. reveal that these archaea possess unique cellular features that reflect their ancestry as progenitors of the earliest eukaryotic cells.

An Asgard archaeon from a modern analog of ancient microbial mats: Current Biology www.cell.com/current-biology/fulltext...

An Asgard archaeon from a modern analog of ancient microbial mats (Current Biology)

Beautiful microscopy of an Asgard archaeon, in the same family as Lokiarchaea, in syntrophy with a sulfate-reducing bacteria

Very very nice paper we saw in preprint form:
www.cell.com/current-biol...

Today I stole some reading from our youngest daughter (9yo)...and guess what??? #archaea were there!!!
See special issue from Science et Vie Junior on Microbes, with a lot of interesting articles (not only for Kids...)...(in French)

Step by step #archées #archaea
#archaeasky

Sulfolobus 😍

Chromatin organization in Asgard archaea: histones, SMC complexes, and the archaeal roots of eukaryotic chromatin The genomes of organisms across the tree of life are structurally and functionally organized into chromatin. In eukaryotes, within an organelle called…

New review in @cp-trendsgenetics.bsky.social on the fascinating world of chromatin organization in Asgard archaea. Very nice joint effort with @jvhooff.bsky.social www.sciencedirect.com/science/arti...

Cultivating the Ancestors… in Motion What electron microscope images hint at, but can only be seen in videos: how 'Asgard' archaea move.

Cultivating the Ancestors… in Motion

What electron microscope images hint at, but can only be seen in videos: how 'Asgard' archaea move.

Great week at the ARCTECH Midterm Meeting in Graz!

PhD candidates trained at the Medizinische Universität Graz on #microbiome research, #RStats, and omics.

Thanks to all partners for an inspiring and collaborative meeting!

#Archaea #DataScience #HorizonEurope #DoctoralNetwork #EuropeanResearch

Welcome at the Faculty of Bioligy @biologyunifreiburg.bsky.social !

Welcome to the Faculty of Biology @biologyunifreiburg.bsky.social and CIBSS @cibss.bsky.social !

Herzlichen Glückwunsch!🍾🎊 Wohlverdient!

Regulation of YAP activity by nuclear G-actin binding Abstract. The Yes-associated protein YAP belongs to the TEAD (TEA/ATTS domain) transcriptional co-activators that shuttle between the cytoplasm and the nuc

Hong's @bdyxwh.bsky.social paper is out with help from @sshamphavi.bsky.social and @archaellum.bsky.social. We discovered a link between nuclear actin and YAP/TAZ: G-actin forms a complex with YAP-TEAD for transcription.
academic.oup.com/nar/article/...

Thanks for involving us!

Phylogenetic trees of representative thymidilate kinases, including putative polyphosphate kinanase 3 (PPK3) with mapped neighborhoods.

🧬 How do Crenarchaeota make and use polyphosphate?
In our new JBC paper we identify a new polyphosphate kinase family (PPK3) — a distinct heteromeric enzyme
doi.org/10.1016/j.jb...
🔬 A missing piece of the puzzle.
#Archaea #Biochemistry #Microbiology #Polyphosphate

The textbooks say #archaea are non-pathogenic. True.
But maybe we’re not as irrelevant as you thought.

🚨 PhD Position in Plant Molecular Biology 🌱
We are looking for a motivated PhD student to join our team to study root protective barriers. If you are interested in confocal microscopy, cell wall biology, and plant development, this project might be for you! Please share!
#PlantScience #PlantSciJob

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...

Bluesky Map Interactive map of 3.4 million Bluesky users, visualised by their follower pattern.

I made a map of 3.4 million Bluesky users - see if you can find yourself!

bluesky-map.theo.io

I've seen some similar projects, but IMO this seems to better capture some of the fine-grained detail

CsmR most probably integrates the signal from the quorum sensing system to regulate archaellum gene biosynthesis and genes involved in shape control.

This was a close cooperation with @curiousdina.bsky.social and Anita Marchfelder. @sshamphavi.bsky.social @weiwaer.bsky.social and Marten Exterkate. Thanks for the input, we learned a lot abaut regulatory processes along the way!

This work started as a bachelor project and @1nussi1.bsky.social and @felixgrunberger.bsky.social showed that CsmR is a very interesting regulator important for controlling motiliy and cellshape in Haloferax volcanii.

The preprint is out now: www.biorxiv.org/content/10.6...

Phosphorylation-driven conformational switching of the ArnA–ArnB complex involved in archaeal motility regulation
#microbiology #archaea #MicroSky #ArchaeaSky
doi.org/10.3389/fmic...

A reminder to sign up for the 2026 EMBO archaeal meeting im Cambridge: meetings.embo.org/event/26-arc.... Registration is open. We are looking forward to hosting you!

Congrats! It has been a pleasure to have you in the lab and I am lokking forward seeing what you will achieve in the future!

Ordering of cell cycle events by regulated proteolysis is not just for eukaryotes:
@buzzbaum.bsky.social et al define mechanisms underlying switch-like degradation of archaeal ESCRT-III CvdB in Sulfolobus
Thanks to @reviewcommons.org for another #RefereedPreprint
link.springer.com/article/10.1...