#archaeasky
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daumlab.bsky.social
📢 I have an exciting PhD opportunity in my lab to study viral infection in #archaea 🦠 using #cryoEM and #cryoET 🔬. If you are interested, do not hesitate to get in touch! #ArchaeaSky.
November 4, 2026 at 10:15 AM
danielabarilla.bsky.social
#ArchaeaSky #MicroSky
Protein duplication across Archaea
October 11, 2026 at 10:50 AM
evgenii-protasov.bsky.social
Cryo-EM structure of a methanogen nitrogenase–PII protein supercomplex
#methanogens #nitrogen #CryoEM #MicroSky #ArchaeaSky
@nature.com
www.nature.com/articles/s41...
Cryo-EM structure of a methanogen nitrogenase–PII protein supercomplex - Nature
Cryo-electron microscopy of a nitrogenase supercomplex from a methane-producing archaeon reveals a mechanism in which PII proteins drive assembly of such structures to regulate nitrogenase activity in...
www.nature.com
October 9, 2026 at 11:18 AM
evgenii-protasov.bsky.social
Arsenate reduction coupled to anaerobic oxidation of methane by members of the Methanoperedenaceae
#microbiology #methane #archaea #MicroSky #ArchaeaSky
@isme-microbes.bsky.social
doi.org/10.1093/isme...
Validate User
doi.org
October 7, 2026 at 7:37 PM
evgenii-protasov.bsky.social
Enceladus-like geochemistry fuels methanogenesis under extreme CO2 limitation
#methanogenesis #methanogens #methane #MicroSky #ArchaeaSky
@science.org
www.science.org/doi/10.1126/...
Enceladus-like geochemistry fuels methanogenesis under extreme CO2 limitation
Saturn’s icy moon Enceladus features chemical signatures consistent with an alkaline soda ocean with H2 production via hydrothermal water-rock reactions. Chemolithoautotrophic methanogenesis is thermo...
www.science.org
October 5, 2026 at 8:09 AM
stcmicrobeblog.bsky.social
👇already featured in STC... but still stunning👀
#MicroSky #Archaea #ArchaeaSky
September 30, 2026 at 6:43 PM
dodonova-sveta.bsky.social
6/ ==> First structural view of transcription through chromatin in archaea. Thanks to all co-authors! ☺️
#archaeaSky #chromatin #transcription
September 30, 2026 at 12:02 PM
evgenii-protasov.bsky.social
Comparative analysis of adhesin-like proteins from Methanobacteriales species
#microbiology #archaea #methanogens #methane #MicroSky #ArchaeaSky
doi.org/10.3389/fmic...
Frontiers | Comparative analysis of adhesin-like proteins from Methanobacteriales species
Methanogenic archaea are key syntrophic partners in animal and human guts. However, the molecular basis of physical and functional interactions of methanogen...
doi.org
September 29, 2026 at 6:39 AM
evgenii-protasov.bsky.social
A methanogen hydrolase reveals the structure of archaeal peptidoglycan
#Archaea #Methanogens #methane #GutMicrobiota #Microbiome #MicroSky #ArchaeaSky
@nature.com
doi.org/10.1038/s415...
A methanogen hydrolase reveals the structure of archaeal peptidoglycan - Nature
ArmA from Methanobrevibacter smithii, a dominant member of the human gut microbiome, is identified and characterized as a glycosyl hydrolase specific for cleaving the cell wall of methanogens, reveali...
doi.org
September 24, 2026 at 1:36 PM
sgribaldo.bsky.social
Building upon the legacy of Kandler and König, our findings reshape a 50-year-old view on archaeal PG structure. Given the importance of methanogens in ecology, biotechnology, and the animal&human microbiomes, these results open new avenues to study their biology and evolution 7/9
#ArchaeaSky
September 23, 2026 at 3:19 PM
evgenii-protasov.bsky.social
Group II Mcr-encoding archaea exhibit methane-cycling potential in geothermal springs
#microbiology #methanogens #archaea #methane #MicroSky #ArchaeaSky
link.springer.com/article/10.1...
Group II Mcr-encoding archaea exhibit methane-cycling potential in geothermal springs - BMC Biology
Background Methane is a potent greenhouse gas with profound implications for climate change, and its global emissions are largely driven by biological methanogenesis—a process long thought to be restr...
link.springer.com
September 17, 2026 at 1:05 PM
evgenii-protasov.bsky.social
An integrated culturomic and genomic database and analysis platform for methanogenic archaea
#microbiology #bioinformatics #archaea #methanogens #MicroSky #ArchaeaSky
doi.org/10.1093/data...
An integrated culturomic and genomic database and analysis platform for methanogenic archaea
Abstract. Methanogenic archaea research is challenged by limited strain resources, fragmented genomic data, inconsistent genome quality, substantial uncult
doi.org
September 15, 2026 at 2:14 PM
aribio.bsky.social
PAPER ALERT!!!
For over 20 years, circular pre-rRNA intermediates were thought to be a specific and universal requirement for archaeal ribosome biogenesis.

doi.org/10.1261/rna....

#Archaea #Ribosome #RNAProcessing
#Archaeasky #RNAsky
September 15, 2026 at 9:34 AM
evgenii-protasov.bsky.social
Expanding the substrate range of methanogenesis: thermophilic methanogenic Archaeoglobi produce methane from long-chain fatty acids 🤓🧫🔥
#methanogens #methane #archaea #MicroSky #ArchaeaSky
@natmicrobiol.nature.com
www.nature.com/articles/s41...
Evidence of direct methane production from long-chain fatty acids by thermophilic Archaeoglobi - Nature Microbiology
An enrichment culture from hot spring sediments in China suggests that Ca. M. sphaerolipidus uses a suite of metabolic pathways to convert long-chain fatty acids such as oleic acid to methane, a proce...
www.nature.com
September 15, 2026 at 11:13 AM
stcmicrobeblog.bsky.social
(archaeal) cell divisionists take note 👇

no, the diderm 𝘐𝘨𝘯𝘪𝘤𝘰𝘤𝘤𝘶𝘴 did 𝗻𝗼𝘁 invent the nucleus, 𝗯𝘂𝘁 something pretty similar to 'closed mitosis' (as in yeast).

look @sbulgheresi.bsky.social !
#MicroSky #Archaea #ArchaeaSky
Figure 4. Membrane duplication in Ignicoccus progeny. A to H, see source for details. source: https://www.biorxiv.org/content/10.64898/2026.09.08.750209v1.full.pdf+html
September 11, 2026 at 4:13 PM
evgenii-protasov.bsky.social
The structure of a nitrogenase from a hyperthermophilic methanogen growing at 92 °C sheds light on how nitrogen fixation evolved 🧫🔥
#Microbiology #Methanogens #StructuralBiology #Evolution #Nitrogenase #MicroSky #ArchaeaSky
@natcomms.nature.com
doi.org/10.1038/s414...
Molecular basis of N2 fixation in a hyperthermophilic archaeon - Nature Communications
Nitrogenases are enzymes that convert atmospheric N2 into ammonia, thus providing bioavailable nitrogen to living organisms. Here, Maslać et al. describe a highly thermostable, simple nitrogenase from...
doi.org
September 10, 2026 at 8:46 AM
florianwollweber.bsky.social
Exciting news! Our @erc.europa.eu StG project ARCHAEAOLOGY got funded 🎉
We’ll combine cryoET/EM, ExM & spatial omics to explore the subcellular organization of Asgard archaea.
Job ads coming soon! 🦠 ❄️ 🔬
#TeamTomo #ArchaeaSky #MicroSky
embl.org EMBL @embl.org · Sep 3
Congratulations to @florianwollweber.bsky.social, the recently appointed Group Leader at EMBL Grenoble, who received an ERC Starting Grant worth approximately €2 million to investigate the origins of eukaryotic cell complexity.
bit.ly/4gNwEBk
September 5, 2026 at 12:57 PM
stcmicrobeblog.bsky.social
#MicroSky #Archaea #ArchaeaSky
michiwagner4.bsky.social Michael Wagner @michiwagner4.bsky.social · Sep 4
Who knew ammonia-oxidizing archaea could be “flexitarians”?

Our new study in Science Advances shows that #AOA living inside marine sponges can assimilate branched-chain amino acids, an unexpected talent that may even shape how they interact with their hosts 🧽🤝🦠

🎉

www.science.org/doi/10.1126/...
Branched-chain amino acid assimilation enables mixotrophy of ammonia-oxidizing archaeal sponge symbionts
Marine sponges and ammonia-oxidizing archaea (AOA) represent one of the earliest animal-microbe symbioses. AOA are considered metabolically constrained chemolithoautotrophs that remove nitrogenous was...
www.science.org
September 5, 2026 at 1:21 AM
evgenii-protasov.bsky.social
Cofactor F420 Tail Length Diversity in Specific Representatives of the Class Methanosarcinia During Acetoclastic and Methylotrophic Methanogenesis: Deciphering Structural Variations
#microbiology #methanogens #methane #methanogenesis #MicroSky #ArchaeaSky
www.sciencedirect.com/science/arti...
August 27, 2026 at 10:16 PM
stcmicrobeblog.bsky.social
the entire Asgard family of Archaea – including 𝘓𝘰𝘬𝘪𝘢𝘳𝘤𝘩𝘢𝘦𝘶𝘮 𝘰𝘴𝘴𝘪𝘧𝘦𝘳𝘶𝘮 – is laughing their heads off and waving their tiny arms 😄
#Archaea #ArchaeaSky
Scientists recently captured detailed images of an Asgard archaeon, an evolutionarily ancient microbe that may have been key to the emergence of complex life on Earth. (Image credit: © Thiago Rodrigues-Oliveira, Univ. Wien)
August 21, 2026 at 8:04 PM
stcmicrobeblog.bsky.social
(archaeal) chromosome replicationists take note👇
#MicroSky #Archaea #ArchaeaSky
August 20, 2026 at 5:15 PM
stcmicrobeblog.bsky.social
#Archaea #ArchaeaSky
August 14, 2026 at 10:44 PM
bettinasiebers.bsky.social
New paper! 🎉 Efficient one-step enzymatic synthesis of cyclic-2,3-diphosphoglycerate (cDPG) — an extremolyte from archaea!
Congrats to Christina + HotSolute team!
#ArchaeaSky #Extremozymes #Archaea #ERACoBioTech #Horizon2020
www.frontiersin.org/articles/10....
May 22, 2025 at 11:01 AM
romain-villa.bsky.social
Curious about the top methane-maker in your gut? Meet this month's featured microbe and find out! 🦠💨🔥 in @cp-trendsmicrobiol.bsky.social #archaeasky
@sgribaldo.bsky.social @pasteur.fr
🔗 Full article linked in reply👇
www.sciencedirect.com/science/arti...
Methanobrevibacter smithii
www.sciencedirect.com
November 3, 2025 at 2:58 PM
kmichie.bsky.social
Anymore archaea peeps out there keen to be part of the ‘kingdom’? #archaeasky

go.bsky.app/PEx7P9v
November 18, 2024 at 12:46 PM