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Khaled_Selim Lab

@selimlab.bsky.social
425 followers 398 following 316 posts

Microbial BioChem | Structural Biology | Cell Signaling | Institute of Phototrophic Microbiology @hhu.de www.phototrophic-microbiology.hhu.d… Transporters & Metabolism Coordination by #PII & #cdiAMP & #cdiGMP & #Ca2+ signaling #Cyanobacteria

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Khaled_Selim Lab @selimlab.bsky.social · 2h
Isabel Monte @isabelmonte.bsky.social from @zmbp-tuebingen.bsky.social presenting at @mibinet.bsky.social @hhu.de
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Khaled_Selim Lab @selimlab.bsky.social · 2h
A great talk by @athanasios-ppdpls.bsky.social from @sander1507.bsky.social Lab for creating non-invasive biosensors at @mibinet.bsky.social @hhu.de
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Khaled_Selim Lab @selimlab.bsky.social · 5h
A great talk by Vivien @vivienrosenthal.bsky.social from @usadellab.bsky.social at @mibinet.bsky.social conference @hhu.de
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Khaled_Selim Lab @selimlab.bsky.social · 5h
A great talk by @evolvedbiofilm.bsky.social at @mibinet.bsky.social conference @hhu.de
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Khaled_Selim Lab @selimlab.bsky.social · 5h
A wonderful talk by Thijs J. G. Ettema @ettema.bsky.social on Asgard archaea @mibinet.bsky.social conference @hhu.de
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Khaled_Selim Lab @selimlab.bsky.social · 5h
A wonderful talk by our PI Hanna Rövenich @hroevenich.bsky.social at @mibinet.bsky.social conference
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Khaled_Selim Lab @selimlab.bsky.social · 5h
Christian Kost @kostchristian.bsky.social presented at @mibinet.bsky.social conference
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Khaled_Selim Lab @selimlab.bsky.social · 5h
Caroline Gutjahr @carogutj.bsky.social presented at @mibinet.bsky.social conference
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Khaled_Selim Lab @selimlab.bsky.social · 5h
Sarahi Garcia @sarilog.bsky.social presented at @mibinet.bsky.social conference
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Khaled_Selim Lab @selimlab.bsky.social · 5h
@floravincent.bsky.social presented @mibinet.bsky.social conference Where N comes from?
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Susan Schlimpert @s-lab.bsky.social · 25/08/2026
It is happening, and registration is open for the EMBO Workshop: Bacterial and archaeal cell division: diverse mechanisms and models. 20–23 April 2027 | Barga, Italy. Come and join us @awehenkel.bsky.social, @seamusholden.bsky.social, @s-lab.bsky.social ! Deadline: Jan 6, 2027. #Bacdiv27
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Dina Grohmann @curiousdina.bsky.social · 28/09/2026
🌙 Bringing Archaea to moon! Our latest study with the Orsi lab shows that M. okinawensis can survive, perform methanogenesis, and grow under simulated Enceladus conditions. Yet another reminder of how astonishingly adaptable Archaea are. www.science.org/doi/10.1126/...
science.org
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...
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Alexander Harms @aharms485.bsky.social · 25/09/2026
The final version of our manuscript on TnSeq in bacteriophages (“HIDEN-SEQ”) is out today – if you have an interesting phage phenotype and want to know the underlying genetic basis, this one is for you! 1/4
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erzbergerlab.bsky.social @erzbergerlab.bsky.social · 25/09/2026
In-cell structures visualize human pre-ribosome assembly in the nucleolus | Science www.science.org/doi/10.1126/...
science.org
In-cell structures visualize human pre-ribosome assembly in the nucleolus
In eukaryotes, ribosome biogenesis initiates within the nucleolus, a hallmark multilayered compartment of the nucleus. Structures of pre-ribosomes have been characterized ex situ, but their assembly p...
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Cluster of Excellence CMFI @cmfi.bsky.social · 24/09/2026
𝗪𝗵𝗮𝘁 𝗾𝘂𝗲𝘀𝘁𝗶𝗼𝗻𝘀 𝘄𝗶𝗹𝗹 𝗱𝗲𝗳𝗶𝗻𝗲 𝗺𝗶𝗰𝗿𝗼𝗯𝗶𝗼𝗺𝗲 𝗮𝗻𝗱 𝗶𝗻𝗳𝗲𝗰𝘁𝗶𝗼𝗻 𝗿𝗲𝘀𝗲𝗮𝗿𝗰𝗵 𝗶𝗻 𝘁𝗵𝗲 𝘆𝗲𝗮𝗿𝘀 𝗮𝗵𝗲𝗮𝗱? CMFI 2027 – Registration & Call for Abstracts open today. 📍 Tübingen, 17–19 Feb 2027 🔹 Poster/Flash Talk 📅 Deadline: 31 Oct 2026 Submit/Register: www.cmfi2027.com Among this year's keynote speakers: 1/2
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Evgenii Protasov @evgenii-protasov.bsky.social · 24/09/2026
Cyclic di-GMP in Archaea? Archaeal Genes Code for GGDEF Domain Proteins With Diguanylate Cyclase Activity #microbiology #archaea #MicroSky onlinelibrary.wiley.com/doi/10.1111/...
onlinelibrary.wiley.com
Archaeal Genes Code for <fc>GGDEF</fc> Domain Proteins With Diguanylate Cyclase Activity
A biofilm-like mode of growth is hypothesized to be required for the emergence of cellular life. Occurrence of common biofilm gene products in current Bacteria and Archaea is an indication for their ....
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Pedro Beltrao @pedrobeltrao.bsky.social · 18/09/2026
Anthropic has used Claude to optimise structure prediction and design code to improve speed and memory efficiency. 2-3X speed improvements on AF3, 5X on OF3, 5X on BindCraft low memory modes to model large assemblies. All released as open source www.anthropic.com/research/cla...
anthropic.com
How Claude is uplifting biomolecular modeling
Anthropic is an AI safety and research company that's working to build reliable, interpretable, and steerable AI systems.
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Julia Frunzke @frunzkelab.bsky.social · 19/09/2026
Proudly present our fantastic collaborative effort within SFB 1535 "Microbial networking" @mibinet.bsky.social now out in The ISME Journal. "Context-dependent siderophore exploitability shapes microbial community structure" academic.oup.com/ismej/advanc... @hhu.de @fz-juelich.de @dfg.de
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cryoEM papers @cryoempapers.bsky.social · 19/09/2026
EM3DFold: accurate de novo protein and nucleic acid model building for cryo-EM maps using language model-powered deep learning www.biorxiv.org/content/10.64898/2026.09.16.752067v1 #cryoEM
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Khaled_Selim Lab @selimlab.bsky.social · 19/09/2026
Our Collaborative Research Center MibiNet @mibinet.bsky.social @hhu.de was strongly present in #EMBOBacNet Best poster prize for Benita Lückel, a PhD student in Bott group @fz-juelich.de, sponsored by @natmicrobiol.nature.com Congrats🎉🎉everyone & organizers @lalouxlab.bsky.social @s-lab.bsky.social
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The EMBO Journal @embojournal.org · 18/09/2026
EMBO Workshop on Bacterial Networks: Our microbiology editor Ieva Gailite presenting the @embojournal.org poster prize to Morgane Wuckelt from the @mathieucoureuil.bsky.social lab - congratulations!
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Anthony Vecchiarelli @cellforganized.bsky.social · 19/09/2026
Applications are now being accepted for the 2027 Bacterial Cell Biology & Development GRC, June 6–11! GRS will be on June 5-6, 2027 We’ll likely be oversubscribed, so please apply early!
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MibiNet @mibinet.bsky.social · 18/09/2026
MibiNet PI Eva Nowack (@hhu.de) has been awarded the 2026 Miescher-Ishida Award by the International Society of Endocytobiology! Honored for her work on how endosymbionts integrate into eukaryotic host cells. Huge congratulations! 👏 @evanowack.bsky.social #MibiNet www.hhu.de/news-einzela...
hhu.de
Renommierte Auszeichnung für HHU-Biologin
Die Fachgesellschaft „International Society of Endobiology“ zeichnete am 15. September 2026 Prof. Dr. Eva Nowack, Leiterin des Instituts für Mikrobielle Zellbiologie der Heinrich-Heine-Universität Düs...
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Tiffany Zarrella @tiffzarrella.bsky.social · 18/09/2026
Thanks to the organizers, presenters, and session chairs at #EMBOBacNet for a great meeting this week. Excited to be back after great discussions and feedback, and a stay at an unmatched venue with views that never disappoint!
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Khaled_Selim Lab @selimlab.bsky.social · 18/09/2026
2 full Professorship for physical chemistry @hhu.de .... Come and join us!
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Ákos T Kovács @evolvedbiofilm.bsky.social · 17/09/2026
Poster prizes at #EMBOBacNet congratulations to all! 👏 More than 100 posters with exciting research!
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Lorena Fernández @lore-fermar.bsky.social · 17/09/2026
Ákos @evolvedbiofilm.bsky.social telling us about circadian rhythms on B. subtilis biofilms. Are they early 🐥 or night 🦉?🤔 #EMBOBacNet
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simon-alkema.bsky.social @simon-alkema.bsky.social · 17/09/2026
Releasing TOMATO, the TOMogram Annotation TOol! A lightweight Python GUI for going through hundreds of cryo-ET tomograms. Flag what's in each one, grade its quality, and end up with a table you can filter and act on. github.com/alkemasimon/...
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Ákos T Kovács @evolvedbiofilm.bsky.social · 17/09/2026
Who would not like to start working on bacteriophages after the talk of @aharms485.bsky.social? Brilliant presentation, Alexander!
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Ákos T Kovács @evolvedbiofilm.bsky.social · 17/09/2026
Alexander Harms @aharms485.bsky.social on Shining light on the dark matter of viral genomes With a shootout to International Microbe Day! #InternationalMicroorganismDay #EMBOBacNet #PhageSky
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Ákos T Kovács @evolvedbiofilm.bsky.social · 15/09/2026
Agata Starosta @agatastarosta.bsky.social on Ribosomes translocation into the spore of Bacillus subtilis is highly organised and requires peptidoglycan rearrangements #EMBOBacNet
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Ákos T Kovács @evolvedbiofilm.bsky.social · 15/09/2026
Susan Schlimpert @s-lab.bsky.social on a conserved cell division factor organises Z-ring formation in Actinobacteria #EMBOBacNet Teaser on Streptomyces compartmentalisation and division, their recent Curr Opin Micro review: www.sciencedirect.com/science/arti...
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Ákos T Kovács @evolvedbiofilm.bsky.social · 15/09/2026
Marius Benedens (from @kedrov-lab.bsky.social) on the Structural basis for biofilm formation in Pseudomonas aeruginosa: Synthesis and translocation machinery for thPel exopolysaccharide See their @natcomms.nature.com paper as teaser: www.nature.com/articles/s41... #EMBOBacNet
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Andrea Wulf @andreawulf.bsky.social · 14/09/2026
Happy birthday Alexander von Humboldt! A man who warned about harmful human-induced climate change. Clearly we didn’t listen.
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Sergey Ovchinnikov @sokrypton.org · 14/09/2026
Finally a more intuitaive way to learn pLDDT/pAE? 😎 sokrypton.github.io/protein_figh... (Character idea from @hannes-stark.bsky.social & Alex Waldherr)
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bioRxiv Biochemistry @biorxiv-biochem.bsky.social · 11/09/2026
De novo design of allosterically controlled enzymes www.biorxiv.org/content/10.64898/20…
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Ákos T Kovács @evolvedbiofilm.bsky.social · 13/09/2026
#EMBOBacNet 2026 edition started by chair, @lalouxlab.bsky.social 5 days of bacterial networks from cell biology and gene regulation to microbial phenotypes and interactions >160 participants and >100 posters
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Sven T. Stripp @stripplab.bsky.social · 09/09/2026
N2 fixation at 92°C? Tristan knows how Methanocaldococcus infernus does it, and stumbled upon the XRD structure of a rare P-cluster intermediate while learning it (via @natcomms.nature.com). www.nature.com/articles/s41...
nature.com
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...
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Khaled_Selim Lab @selimlab.bsky.social · 09/09/2026
Wooow, that's really cool! Carbon concentrating mechanisms (short CCM) are know in Cyanobacteria for efficient CO2 fixation A CCM-like system in Bacillus is needed to fulfill the anabolic needs of the cell www.biorxiv.org/content/10.6... Fast read of the abstract & got excited😆 deserve full read
biorxiv.org
Physiological Roles of Carbonic Anhydrases and an MpsAB-like Bicarbonate Transporter in Bacillus subtilis
Carbonic anhydrase (E.C. 4.2.1.1) is an enzyme that catalyzes the reversible hydration of CO2 to carbonic acid (H2CO3), which dissociates to bicarbonate (HCO3-) at intracellular pH. Copious amounts of...
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Max-Planck-Gesellschaft @maxplanck.de · 09/09/2026
We are hiring! Start at a #MaxPlanckInstitute with your own independent Max Planck Research Group. This position is equivalent to a W2 Professorship at a German university, or Associate Professor internationally. 🔗Apply until October 14th! www.mpg.de/career/max-p... #ScienceCareer #MPRG #TenureTrack
Call for independent Max Planck Research Groups
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Brian D. Wade @astrobrian.bsky.social · 02/09/2026
The calcium-binding protein CSE links Ca2+ signaling with cell-cell communication in #cyanobacteria #mevoSky #microSky #scienceSky link.springer.com/article/10.1...
link.springer.com
The calcium-binding protein CSE links Ca2+ signaling with cell-cell communication in cyanobacteria - The EMBO Journal
Multicellular cyanobacteria have evolved sophisticated cell–cell communication machinery to exchange, synchronize, and coordinate the efforts of individual cells. Analogous to gap junctions that have ...
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Khaled_Selim Lab @selimlab.bsky.social · 08/09/2026
So proud of Laís, a very talented PhD student @hhu.de & @ufpr.bsky.social, who won the best poster prize 🎉🎉 at the N2 Fixation conference Keep rocking Laís! #PII #Signaling @sfb1381.bsky.social
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Team Thomma @teamthomma.bsky.social · 08/09/2026
📣...and now for something completely different: no plant pathogens, no Verticillium, but lichens! Driven by our lichen king🤴@ciarankelly.bsky.social with help of a.o. @hroevenich.bsky.social @usadellab.bsky.social @vivienrosenthal.bsky.social Watch for more in future! www.biorxiv.org/content/10.6...
biorxiv.org
Decoupled evolution of antimicrobial repertoires in lichen-forming fungi
Lichens are stable multipartite symbioses in which a fungal mycobiont associates with one or more photosynthetic partners while hosting complex microbiomes. Secreted antimicrobial proteins (AMPs) have...
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Khaled_Selim Lab @selimlab.bsky.social · 07/09/2026
A new preprint from the lab! 📄 We solved a long-standing question: how mechanistically the PTM AMPylation of glutamine synthetase controls the activity of one of the most important enzymes on Earth. 🌎 w/ beautiful cryoEM structures @hhu.de & @sfb1381.bsky.social www.biorxiv.org/content/10.6...
biorxiv.org
Metabolic regulation and structural mechanism of glutamine synthetase AMPylation
In bacteria, glutamine synthetase (GS) is the main ammonium assimilation enzyme. Its activity is tightly regulated according to cellular energy status and carbon/nitrogen balance through reversible AM...
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Oleg Dmytrenko @olehdmy.bsky.social · 01/09/2026
I have an open PhD position in my new Synthetic Phage Biology Lab at Research Centre Jülich. Join us to discover bacterial antiphage trickery! Please, apply and spread the word. recruiting.fz-juelich.de/jobposting/c...
recruiting.fz-juelich.de
PhD Position – Biology and application of bacterial antiphage defenses
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Boas Pucker @bpucker.bsky.social · 07/09/2026
Andreas Weber is kicking off #BT2026 @ruhr-uni-bochum.de with very important messages about the roles of communities for excellent science @plantsciencedbg.bsky.social
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Khaled_Selim Lab @selimlab.bsky.social · 05/09/2026
www.cell.com/trends/micro...
cell.com
The importance of interbacterial relationships in shaping cyanobacterial ecology
Cyanobacteria are a globally abundant bacterial phylum that make key contributions to primary production and nutrient cycling in aquatic ecosystems. However, some cyanobacteria also cause substantial ...
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Amel Latifi @latifilab.bsky.social · 04/09/2026
📢Our last publication is out in mBio : A conserved partner-switching system controls terminal differentiation in multicellular cyanobacteria | mBio journals.asm.org/doi/10.1128/...
journals.asm.org
A conserved partner-switching system controls terminal differentiation in multicellular cyanobacteria | mBio
While partner-switching systems are classically associated with stress responses and sporulation control in Firmicutes, whether this regulatory logic governs developmental decisions in other bacterial...
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EMBL @embl.org · 03/09/2026
Apply to the EMBL Sabbatical Programme now! 📢 This is a great opportunity for senior scientists looking to expand their scientific horizons! You could receive up to €15,000 and be based at any of EMBL’s six sites for 3 to 6 months. 📌 Deadline: 09 Oct 2026 🔗Apply here: bit.ly/sabbatical26
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