Khaled_Selim Lab
@selimlab.bsky.social
Microbiology | Cell Signaling | Structural Biology | Institute of Phototrophic Microbiology @hhu.de
https://www.phototrophic-microbiology.hhu.de/en/
Central Metabolism Coordination by #PII & #cdiAMP & #cdiGMP & #Ca2+ signaling #Cyanobacteria
https://www.phototrophic-microbiology.hhu.de/en/
Central Metabolism Coordination by #PII & #cdiAMP & #cdiGMP & #Ca2+ signaling #Cyanobacteria
Pinned
Khaled_Selim Lab
@selimlab.bsky.social
· Sep 19
We discovered a new family of c-di-NMP receptors, widespread in bacteria & regulating🦠motility @pnas.org
A great collab. w/ @mygalperin.bsky.social @vikramalva.bsky.social @thethormannden.bsky.social
www.pnas.org/doi/10.1073/...
@hhu.de @cmfi.bsky.social
@sfb1381.bsky.social
@mibinet.bsky.social
A great collab. w/ @mygalperin.bsky.social @vikramalva.bsky.social @thethormannden.bsky.social
www.pnas.org/doi/10.1073/...
@hhu.de @cmfi.bsky.social
@sfb1381.bsky.social
@mibinet.bsky.social
Reposted by Khaled_Selim Lab
🌍Open call: Junior Group Leader positions!
Join a world-class biomedical research institute at the heart of the Vienna BioCenter, where curiosity drives discovery.
Lead your own lab, pursue bold ideas, and shape the future of science at the IMP: www.imp.ac.at/career/open-...
Join a world-class biomedical research institute at the heart of the Vienna BioCenter, where curiosity drives discovery.
Lead your own lab, pursue bold ideas, and shape the future of science at the IMP: www.imp.ac.at/career/open-...
November 10, 2025 at 1:26 PM
🌍Open call: Junior Group Leader positions!
Join a world-class biomedical research institute at the heart of the Vienna BioCenter, where curiosity drives discovery.
Lead your own lab, pursue bold ideas, and shape the future of science at the IMP: www.imp.ac.at/career/open-...
Join a world-class biomedical research institute at the heart of the Vienna BioCenter, where curiosity drives discovery.
Lead your own lab, pursue bold ideas, and shape the future of science at the IMP: www.imp.ac.at/career/open-...
Reposted by Khaled_Selim Lab
🚨 Today is the final day 🚨 This is it, your last chance to influence the future of microbiology in Europe.
The FEMS survey closes TODAY at 23:00 CET. Don't miss out on helping FEMS shape the next steps for our community.
Access the link buff.ly/ZghfWnM & finish strong.
The FEMS survey closes TODAY at 23:00 CET. Don't miss out on helping FEMS shape the next steps for our community.
Access the link buff.ly/ZghfWnM & finish strong.
November 11, 2025 at 7:00 AM
🚨 Today is the final day 🚨 This is it, your last chance to influence the future of microbiology in Europe.
The FEMS survey closes TODAY at 23:00 CET. Don't miss out on helping FEMS shape the next steps for our community.
Access the link buff.ly/ZghfWnM & finish strong.
The FEMS survey closes TODAY at 23:00 CET. Don't miss out on helping FEMS shape the next steps for our community.
Access the link buff.ly/ZghfWnM & finish strong.
Reposted by Khaled_Selim Lab
Working in the field of Microbial Sensing, Signaling, and Regulation? Apply for the upcoming STIM GRC soon to be considered for a short talk! See you in sunny Ventura www.grc.org/sensory-tran...
2026 Sensory Transduction in Microorganisms Conference GRC
The 2026 Gordon Research Conference on Sensory Transduction in Microorganisms will be held in Ventura, California. Apply today to reserve your spot.
www.grc.org
November 11, 2025 at 7:24 AM
Working in the field of Microbial Sensing, Signaling, and Regulation? Apply for the upcoming STIM GRC soon to be considered for a short talk! See you in sunny Ventura www.grc.org/sensory-tran...
Reposted by Khaled_Selim Lab
🫵 Our daily bread: Experimental evolution of gene essentiality in bacteria!
| mBio journals.asm.org/doi/10.1128/...
@mbio.bsky.social
| mBio journals.asm.org/doi/10.1128/...
@mbio.bsky.social
Experimental evolution of gene essentiality in bacteria | mBio
Essential genes are traditionally considered indispensable for bacterial survival,
but how they interact with other cellular processes is not well understood. Here,
we deleted essential genes from div...
journals.asm.org
November 10, 2025 at 8:13 PM
🫵 Our daily bread: Experimental evolution of gene essentiality in bacteria!
| mBio journals.asm.org/doi/10.1128/...
@mbio.bsky.social
| mBio journals.asm.org/doi/10.1128/...
@mbio.bsky.social
Reposted by Khaled_Selim Lab
📢 Postdoc position: Biochemistry & Bacterial cell biology
in our group at Marburg University, Germany, funded by the ERC Advanced Grant "C-SWITCH"
🔗More information at shorturl.at/OlvlL
📅Deadline: Nov 30, 2025
Please repost. #Postdoc
in our group at Marburg University, Germany, funded by the ERC Advanced Grant "C-SWITCH"
🔗More information at shorturl.at/OlvlL
📅Deadline: Nov 30, 2025
Please repost. #Postdoc
November 10, 2025 at 6:15 PM
📢 Postdoc position: Biochemistry & Bacterial cell biology
in our group at Marburg University, Germany, funded by the ERC Advanced Grant "C-SWITCH"
🔗More information at shorturl.at/OlvlL
📅Deadline: Nov 30, 2025
Please repost. #Postdoc
in our group at Marburg University, Germany, funded by the ERC Advanced Grant "C-SWITCH"
🔗More information at shorturl.at/OlvlL
📅Deadline: Nov 30, 2025
Please repost. #Postdoc
Reposted by Khaled_Selim Lab
Grateful to have received the Wilhelm und Else Heraeus-Stiftung Research Fellowship, to support my group’s work at the Ernst Ruska-Centre (ER-C) of Forschungszentrum Jülich #cryoem
November 9, 2025 at 9:26 AM
Grateful to have received the Wilhelm und Else Heraeus-Stiftung Research Fellowship, to support my group’s work at the Ernst Ruska-Centre (ER-C) of Forschungszentrum Jülich #cryoem
Reposted by Khaled_Selim Lab
Announcing cryo-EM heterogeneity challenge #2, now dubbed the 2025 Community-Wide Assessment of Cryo-EM Heterogeneous Reconstruction Algorithms (CAHRA)! Join us for a webinar next Friday (Nov 14th) to learn more. Datasets already posted here: heterogeneity.notion.site/challenge #cryoem
CAHRA 2025: Community-Wide Assessment of Cryo-EM Heterogeneous Reconstruction Algorithms
A community-wide data processing challenge for cryo-electron microscopy.
heterogeneity.notion.site
November 7, 2025 at 10:45 PM
Announcing cryo-EM heterogeneity challenge #2, now dubbed the 2025 Community-Wide Assessment of Cryo-EM Heterogeneous Reconstruction Algorithms (CAHRA)! Join us for a webinar next Friday (Nov 14th) to learn more. Datasets already posted here: heterogeneity.notion.site/challenge #cryoem
Reposted by Khaled_Selim Lab
True!
Scientists feel that the pressure to publish is rising, but that the time and resources they have to do the necessary research are falling, according to a survey of 3,200 researchers
go.nature.com/4hNDvuN
go.nature.com/4hNDvuN
Pressure to publish is rising as research time shrinks, finds survey of scientists
Researchers feel that pressures to publish are increasing, but the time and resources available to do research are decreasing, according to a survey by Elsevier.
go.nature.com
November 7, 2025 at 2:19 PM
True!
Reposted by Khaled_Selim Lab
We are hiring!
The Etzkorn Lab is looking for up to 7 highly motivated PostDocs and 1-2 PhD candidates to support our endeavour to translate the DNAzyme technology into therapeutic applications. For more information see: www.ipb.hhu.de/fileadmin/re...
Please repost. #Postdoc, @hhu.de
The Etzkorn Lab is looking for up to 7 highly motivated PostDocs and 1-2 PhD candidates to support our endeavour to translate the DNAzyme technology into therapeutic applications. For more information see: www.ipb.hhu.de/fileadmin/re...
Please repost. #Postdoc, @hhu.de
November 5, 2025 at 3:17 PM
We are hiring!
The Etzkorn Lab is looking for up to 7 highly motivated PostDocs and 1-2 PhD candidates to support our endeavour to translate the DNAzyme technology into therapeutic applications. For more information see: www.ipb.hhu.de/fileadmin/re...
Please repost. #Postdoc, @hhu.de
The Etzkorn Lab is looking for up to 7 highly motivated PostDocs and 1-2 PhD candidates to support our endeavour to translate the DNAzyme technology into therapeutic applications. For more information see: www.ipb.hhu.de/fileadmin/re...
Please repost. #Postdoc, @hhu.de
Reposted by Khaled_Selim Lab
Just published! We share an open-source workflow to measure membrane thickness from tomograms, including a tutorial with 3D visualizations. We analyze thickness variations across organelles and reflect on where to define a membrane boundary. @becklab.bsky.social #teamtomo rupress.org/jcb/article/...
November 6, 2025 at 7:38 AM
Just published! We share an open-source workflow to measure membrane thickness from tomograms, including a tutorial with 3D visualizations. We analyze thickness variations across organelles and reflect on where to define a membrane boundary. @becklab.bsky.social #teamtomo rupress.org/jcb/article/...
Reposted by Khaled_Selim Lab
Functional characterisation of bicarbonate transporters from the cyanobacterial SbtA2 family and subsequent expression in tobacco www.biorxiv.org/content/10.1...
Functional characterisation of bicarbonate transporters from the cyanobacterial SbtA2 family and subsequent expression in tobacco
Cyanobacteria rely on bicarbonate (HCO3-) as the primary inorganic carbon (Ci) source for photosynthesis in aquatic environments. To use of this Ci source, cyanobacteria employ CO2 concentrating mecha...
www.biorxiv.org
November 5, 2025 at 5:40 PM
Functional characterisation of bicarbonate transporters from the cyanobacterial SbtA2 family and subsequent expression in tobacco www.biorxiv.org/content/10.1...
Reposted by Khaled_Selim Lab
To all visionary microbe enthusiasts: @femsmicro.org is looking for an editor-in-chief for their flagship journal FEMS Microbiology Reviews! More details can be found here: fems-microbiology.org/opportunitie...
Editor-in-Chief for FEMS Microbiology Reviews - FEMS
The Federation of European Microbiological Societies (FEMS) is looking for an Editor-in-Chief to join its prestigious journal FEMS Microbiology Reviews for an initial period of three years, starting i...
fems-microbiology.org
November 5, 2025 at 5:38 PM
To all visionary microbe enthusiasts: @femsmicro.org is looking for an editor-in-chief for their flagship journal FEMS Microbiology Reviews! More details can be found here: fems-microbiology.org/opportunitie...
Reposted by Khaled_Selim Lab
📢 New Award for #ECRs in #Biochemistry!
Apply for our Meeting Award to get:
✅ 500 € grant for the #Biochemistry2026 conference
✅ 1 year of free division membership
Apply now: en.gdch.de/network-s...
Share with a #ECR who needs to see this! 👇
#Chemistry #ChemBio #AcademicTwitter #PhD
Apply for our Meeting Award to get:
✅ 500 € grant for the #Biochemistry2026 conference
✅ 1 year of free division membership
Apply now: en.gdch.de/network-s...
Share with a #ECR who needs to see this! 👇
#Chemistry #ChemBio #AcademicTwitter #PhD
November 4, 2025 at 4:47 PM
📢 New Award for #ECRs in #Biochemistry!
Apply for our Meeting Award to get:
✅ 500 € grant for the #Biochemistry2026 conference
✅ 1 year of free division membership
Apply now: en.gdch.de/network-s...
Share with a #ECR who needs to see this! 👇
#Chemistry #ChemBio #AcademicTwitter #PhD
Apply for our Meeting Award to get:
✅ 500 € grant for the #Biochemistry2026 conference
✅ 1 year of free division membership
Apply now: en.gdch.de/network-s...
Share with a #ECR who needs to see this! 👇
#Chemistry #ChemBio #AcademicTwitter #PhD
Reposted by Khaled_Selim Lab
📢 Postdoc position: Cell Biology of Cyanobacteria
in my group, as part of the Excellence Cluster "Microbes for Climate" (M4C) in Marburg, Germany.
More information at shorturl.at/wNnDT (see Project 2)
🔗Apply at shorturl.at/VsEDl
📅Deadline: Nov 16, 2025
Please repost. #Postdoc
in my group, as part of the Excellence Cluster "Microbes for Climate" (M4C) in Marburg, Germany.
More information at shorturl.at/wNnDT (see Project 2)
🔗Apply at shorturl.at/VsEDl
📅Deadline: Nov 16, 2025
Please repost. #Postdoc
November 2, 2025 at 7:13 PM
📢 Postdoc position: Cell Biology of Cyanobacteria
in my group, as part of the Excellence Cluster "Microbes for Climate" (M4C) in Marburg, Germany.
More information at shorturl.at/wNnDT (see Project 2)
🔗Apply at shorturl.at/VsEDl
📅Deadline: Nov 16, 2025
Please repost. #Postdoc
in my group, as part of the Excellence Cluster "Microbes for Climate" (M4C) in Marburg, Germany.
More information at shorturl.at/wNnDT (see Project 2)
🔗Apply at shorturl.at/VsEDl
📅Deadline: Nov 16, 2025
Please repost. #Postdoc
Reposted by Khaled_Selim Lab
My new Emmy Noether Group is recruiting!
🔬 Two PhD positions in plant pathogen evolution
🧬 Start: April 2026 (flexible)
📍 Dept. of Phytopathology & Plant Protection @rstam.bsky.social @uni-kiel.de
⏰ Apply by 15 Dec 2025
🔗 More info: www.uni-kiel.de/personal/de/...
Do get in touch or share 😊
🔬 Two PhD positions in plant pathogen evolution
🧬 Start: April 2026 (flexible)
📍 Dept. of Phytopathology & Plant Protection @rstam.bsky.social @uni-kiel.de
⏰ Apply by 15 Dec 2025
🔗 More info: www.uni-kiel.de/personal/de/...
Do get in touch or share 😊
Aktuelle Ausschreibungen
Aktuelle Ausschreibungen
www.uni-kiel.de
November 3, 2025 at 9:03 AM
My new Emmy Noether Group is recruiting!
🔬 Two PhD positions in plant pathogen evolution
🧬 Start: April 2026 (flexible)
📍 Dept. of Phytopathology & Plant Protection @rstam.bsky.social @uni-kiel.de
⏰ Apply by 15 Dec 2025
🔗 More info: www.uni-kiel.de/personal/de/...
Do get in touch or share 😊
🔬 Two PhD positions in plant pathogen evolution
🧬 Start: April 2026 (flexible)
📍 Dept. of Phytopathology & Plant Protection @rstam.bsky.social @uni-kiel.de
⏰ Apply by 15 Dec 2025
🔗 More info: www.uni-kiel.de/personal/de/...
Do get in touch or share 😊
Reposted by Khaled_Selim Lab
✨X-ray crystallography reveals surprising twist in how proteins enter the unique photosynthetic organelles of Paulinella. The chromatophore targeting peptide (crTP) folds into a 3D structure, hinting that folded proteins cross peptidoglycan and inner membrane. (1/2)
academic.oup.com/plphys/artic...
academic.oup.com/plphys/artic...
November 1, 2025 at 7:34 AM
✨X-ray crystallography reveals surprising twist in how proteins enter the unique photosynthetic organelles of Paulinella. The chromatophore targeting peptide (crTP) folds into a 3D structure, hinting that folded proteins cross peptidoglycan and inner membrane. (1/2)
academic.oup.com/plphys/artic...
academic.oup.com/plphys/artic...
Reposted by Khaled_Selim Lab
Reposted by Khaled_Selim Lab
#microsky #mevosky @spp2389.bsky.social
A PhD position is available in my lab to work on:
Emergence and self-organisation of bacterial metabolism in consortia of cross-feeding bacteria.
Please RT
Deadline: 12.11.25
More infos 👇
shorturl.at/rAKAT
A PhD position is available in my lab to work on:
Emergence and self-organisation of bacterial metabolism in consortia of cross-feeding bacteria.
Please RT
Deadline: 12.11.25
More infos 👇
shorturl.at/rAKAT
October 30, 2025 at 7:50 AM
Reposted by Khaled_Selim Lab
#microsky #mevosky @spp2389.bsky.social
A PhD position is available in my lab to work on:
Emergence and self-organisation of bacterial metabolism in consortia of cross-feeding bacteria.
Please RT
Deadline: 12.11.25
More infos 👇
shorturl.at/rAKAT
A PhD position is available in my lab to work on:
Emergence and self-organisation of bacterial metabolism in consortia of cross-feeding bacteria.
Please RT
Deadline: 12.11.25
More infos 👇
shorturl.at/rAKAT
October 28, 2025 at 8:43 AM
#microsky #mevosky @spp2389.bsky.social
A PhD position is available in my lab to work on:
Emergence and self-organisation of bacterial metabolism in consortia of cross-feeding bacteria.
Please RT
Deadline: 12.11.25
More infos 👇
shorturl.at/rAKAT
A PhD position is available in my lab to work on:
Emergence and self-organisation of bacterial metabolism in consortia of cross-feeding bacteria.
Please RT
Deadline: 12.11.25
More infos 👇
shorturl.at/rAKAT
Reposted by Khaled_Selim Lab
Intriguing structures of Asgard hypernucleosomes in open and closed conformations provide a glimpse into the evolution of chromatin from our closest prokaryotic relatives. Bold and eye-opening work by the @dodonova-sveta.bsky.social lab! Also great visualization 🧪👩🔬🎨 #CryoEM #ArchaeaSky
Lab’s first paper is out!! We show the first structures of #Asgard #chromatin by #cryo-EM 🧬❄️
Asgard histones form closed and open hypernucleosomes. Closed are conserved across #Archaea, while open resemble eukaryotic H3–H4 octasomes and are Asgard-specific. More here: www.cell.com/molecular-ce...
Asgard histones form closed and open hypernucleosomes. Closed are conserved across #Archaea, while open resemble eukaryotic H3–H4 octasomes and are Asgard-specific. More here: www.cell.com/molecular-ce...
October 29, 2025 at 4:12 AM
Intriguing structures of Asgard hypernucleosomes in open and closed conformations provide a glimpse into the evolution of chromatin from our closest prokaryotic relatives. Bold and eye-opening work by the @dodonova-sveta.bsky.social lab! Also great visualization 🧪👩🔬🎨 #CryoEM #ArchaeaSky
Reposted by Khaled_Selim Lab
The early evolution of the glycolytic pathway from autotrophic origins to glycogen and back
#microbiology #biochemistry #evolution #Glycolysis
@femsmicro.org @femsjournals.bsky.social
academic.oup.com/femsre/artic...
#microbiology #biochemistry #evolution #Glycolysis
@femsmicro.org @femsjournals.bsky.social
academic.oup.com/femsre/artic...
The early evolution of the glycolytic pathway from autotrophic origins to glycogen and back
The evolution of enzymes involved in carbohydrate metabolism of bacteria and archaea reflect an origin of glycolysis from glycogen reserves accumulated thr
academic.oup.com
October 26, 2025 at 9:42 AM
The early evolution of the glycolytic pathway from autotrophic origins to glycogen and back
#microbiology #biochemistry #evolution #Glycolysis
@femsmicro.org @femsjournals.bsky.social
academic.oup.com/femsre/artic...
#microbiology #biochemistry #evolution #Glycolysis
@femsmicro.org @femsjournals.bsky.social
academic.oup.com/femsre/artic...
Reposted by Khaled_Selim Lab
Predatory practices plague modern science, but the origins & reasons of their success can be identified—and solutions exist. Instead of blacklists, funding agencies should foster accreditation systems. See analyses & proposals of the EAM Task Force of @femsmicro.org on the matter shorturl.at/gVXJR
October 12, 2025 at 8:27 AM
Predatory practices plague modern science, but the origins & reasons of their success can be identified—and solutions exist. Instead of blacklists, funding agencies should foster accreditation systems. See analyses & proposals of the EAM Task Force of @femsmicro.org on the matter shorturl.at/gVXJR
Reposted by Khaled_Selim Lab
Gain hands-on experience into specimen preparation and EM approaches at the EMBO Practical Course "Quantitative #ElectronMicroscopy for Cell Biology" in Ceske Budejovice, Czech Republic, 22 June–2 July 2026.
Deadline: 8 February 2026
meetings.embo.org/event/26-em-...
#EMBOemCellBio #EMBOevents 🧪
Deadline: 8 February 2026
meetings.embo.org/event/26-em-...
#EMBOemCellBio #EMBOevents 🧪
Quantitative Electron Microscopy for Cell Biology
Electron microscopy is a fundamental tool in cell biology, providing visualization of cellular structures at the highest possible resolution. The goal of this EMBO Practical Course is to guide partic…
meetings.embo.org
October 25, 2025 at 1:02 PM
Gain hands-on experience into specimen preparation and EM approaches at the EMBO Practical Course "Quantitative #ElectronMicroscopy for Cell Biology" in Ceske Budejovice, Czech Republic, 22 June–2 July 2026.
Deadline: 8 February 2026
meetings.embo.org/event/26-em-...
#EMBOemCellBio #EMBOevents 🧪
Deadline: 8 February 2026
meetings.embo.org/event/26-em-...
#EMBOemCellBio #EMBOevents 🧪
Reposted by Khaled_Selim Lab
Pls share:
A postdoctoral research position is available in the group of Prof. Dr. Kirsten Jung at Ludwig-Maximilians-Universität München, Germany focusing on SRBs (www.bio.lmu.de/en/research/...)
A postdoctoral research position is available in the group of Prof. Dr. Kirsten Jung at Ludwig-Maximilians-Universität München, Germany focusing on SRBs (www.bio.lmu.de/en/research/...)
Molecular Microbiology Group
Information about research topics and publications about the group around Kirsten Jung
www.bio.lmu.de
October 21, 2025 at 7:49 PM
Pls share:
A postdoctoral research position is available in the group of Prof. Dr. Kirsten Jung at Ludwig-Maximilians-Universität München, Germany focusing on SRBs (www.bio.lmu.de/en/research/...)
A postdoctoral research position is available in the group of Prof. Dr. Kirsten Jung at Ludwig-Maximilians-Universität München, Germany focusing on SRBs (www.bio.lmu.de/en/research/...)
Reposted by Khaled_Selim Lab
Hey #TeamTomo …would you like to try some 🍦ICECREAM!? Our @unibas.ch colleagues over at the @ivandokmanic.bsky.social lab have developed a stunningly effective tool to de-noise and de-wedge your tomograms. The contrast and details will give you brain freeze! 🍨❄️🤯
Please try, we need feedback 🧪🧶🧬🔬
Please try, we need feedback 🧪🧶🧬🔬
Our colleagues Vinith Kishore and Valentin Debarnot from the @ivandokmanic.bsky.social lab have come up with an amazing deep learning tool for denoising and filling the missing wedge in #cryoET data. I'm pleased to introduce Icecream🍧
Icecream: High-Fidelity Equivariant Cryo-Electron Tomography
Cryo-electron tomography (cryo-ET) visualizes 3D cellular architecture in near-native states. Recent deep-learning methods (CryoCARE, IsoNet, DeepDeWedge, CryoLithe) improve denoising and artifact cor...
www.biorxiv.org
October 23, 2025 at 5:57 PM
Hey #TeamTomo …would you like to try some 🍦ICECREAM!? Our @unibas.ch colleagues over at the @ivandokmanic.bsky.social lab have developed a stunningly effective tool to de-noise and de-wedge your tomograms. The contrast and details will give you brain freeze! 🍨❄️🤯
Please try, we need feedback 🧪🧶🧬🔬
Please try, we need feedback 🧪🧶🧬🔬