What do eukaryotes and some of the most ancient bacteria have in common? Calcium signaling!
New press in EurekAlert! on #SPP2389 member @selimlab.bsky.social work on cellular communication in cyanobacteria
@hhu.de @unituebingen.bsky.social
New press in EurekAlert! on #SPP2389 member @selimlab.bsky.social work on cellular communication in cyanobacteria
@hhu.de @unituebingen.bsky.social
A press about our recent publication on Ca2+ signaling for controlling communication machinery in #cyano bacteria🦠 @hhu.de @cmfi.bsky.social @unituebingen.bsky.social
Supposed by @spp2389.bsky.social
@sfb1381.bsky.social @mibinet.bsky.social @ceplas.bsky.social
www.eurekalert.org/news-release...
Supposed by @spp2389.bsky.social
@sfb1381.bsky.social @mibinet.bsky.social @ceplas.bsky.social
www.eurekalert.org/news-release...
September 2, 2026 at 6:36 AM
What do eukaryotes and some of the most ancient bacteria have in common? Calcium signaling!
New press in EurekAlert! on #SPP2389 member @selimlab.bsky.social work on cellular communication in cyanobacteria
@hhu.de @unituebingen.bsky.social
New press in EurekAlert! on #SPP2389 member @selimlab.bsky.social work on cellular communication in cyanobacteria
@hhu.de @unituebingen.bsky.social
A press about our recent publication on Ca2+ signaling for controlling communication machinery in #cyano bacteria🦠 @hhu.de @cmfi.bsky.social @unituebingen.bsky.social
Supposed by @spp2389.bsky.social
@sfb1381.bsky.social @mibinet.bsky.social @ceplas.bsky.social
www.eurekalert.org/news-release...
Supposed by @spp2389.bsky.social
@sfb1381.bsky.social @mibinet.bsky.social @ceplas.bsky.social
www.eurekalert.org/news-release...
September 1, 2026 at 4:48 PM
A press about our recent publication on Ca2+ signaling for controlling communication machinery in #cyano bacteria🦠 @hhu.de @cmfi.bsky.social @unituebingen.bsky.social
Supposed by @spp2389.bsky.social
@sfb1381.bsky.social @mibinet.bsky.social @ceplas.bsky.social
www.eurekalert.org/news-release...
Supposed by @spp2389.bsky.social
@sfb1381.bsky.social @mibinet.bsky.social @ceplas.bsky.social
www.eurekalert.org/news-release...
🧵
#Bacterial #Multicellularity: We discovered that Ca2+ signaling controls cellular junctions in #cyanobacteria, similar to Euks @embojournal.org
A great collab. w/ @weiss-lab.bsky.social #TeamTomo
@hhu.de @spp2389.bsky.social @cmfi.bsky.social @mibinet.bsky.social
link.springer.com/article/10.1...
#Bacterial #Multicellularity: We discovered that Ca2+ signaling controls cellular junctions in #cyanobacteria, similar to Euks @embojournal.org
A great collab. w/ @weiss-lab.bsky.social #TeamTomo
@hhu.de @spp2389.bsky.social @cmfi.bsky.social @mibinet.bsky.social
link.springer.com/article/10.1...
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 ...
link.springer.com
August 13, 2026 at 5:54 PM
🧵
#Bacterial #Multicellularity: We discovered that Ca2+ signaling controls cellular junctions in #cyanobacteria, similar to Euks @embojournal.org
A great collab. w/ @weiss-lab.bsky.social #TeamTomo
@hhu.de @spp2389.bsky.social @cmfi.bsky.social @mibinet.bsky.social
link.springer.com/article/10.1...
#Bacterial #Multicellularity: We discovered that Ca2+ signaling controls cellular junctions in #cyanobacteria, similar to Euks @embojournal.org
A great collab. w/ @weiss-lab.bsky.social #TeamTomo
@hhu.de @spp2389.bsky.social @cmfi.bsky.social @mibinet.bsky.social
link.springer.com/article/10.1...
Cannibalism shapes biofilm structure and composition in Bacillus subtilis
mBio by Lena Friebel from Thosten Mascher group
within @spp2389.bsky.social DFG program
journals.asm.org/doi/10.1128/...
Superb summary of colony phenotypes in figure 1
mBio by Lena Friebel from Thosten Mascher group
within @spp2389.bsky.social DFG program
journals.asm.org/doi/10.1128/...
Superb summary of colony phenotypes in figure 1
June 16, 2026 at 1:35 PM
Cannibalism shapes biofilm structure and composition in Bacillus subtilis
mBio by Lena Friebel from Thosten Mascher group
within @spp2389.bsky.social DFG program
journals.asm.org/doi/10.1128/...
Superb summary of colony phenotypes in figure 1
mBio by Lena Friebel from Thosten Mascher group
within @spp2389.bsky.social DFG program
journals.asm.org/doi/10.1128/...
Superb summary of colony phenotypes in figure 1
Comprehensive and Comparative Transcriptional Profiling of the Cell Wall Stress Response in Bacillus subtilis
#MolMicrobiol from Thorsten Mascher @spp2389.bsky.social, Rut Carballido-López and colleagues
onlinelibrary.wiley.com/doi/10.1111/...
#MolMicrobiol from Thorsten Mascher @spp2389.bsky.social, Rut Carballido-López and colleagues
onlinelibrary.wiley.com/doi/10.1111/...
Comprehensive and Comparative Transcriptional Profiling of the Cell Wall Stress Response in Bacillus subtilis
Transcriptional profiling of the primary cell envelope stress response (CESR) of Bacillus subtilis exposed to a range of cell wall-targeting antimicrobials, combining RNAseq and high-resolution tilin...
onlinelibrary.wiley.com
April 18, 2026 at 6:39 PM
Comprehensive and Comparative Transcriptional Profiling of the Cell Wall Stress Response in Bacillus subtilis
#MolMicrobiol from Thorsten Mascher @spp2389.bsky.social, Rut Carballido-López and colleagues
onlinelibrary.wiley.com/doi/10.1111/...
#MolMicrobiol from Thorsten Mascher @spp2389.bsky.social, Rut Carballido-López and colleagues
onlinelibrary.wiley.com/doi/10.1111/...
A family of endonucleases blocks nanotube-mediated plasmid exchange
YokF encoded within prophage
@natmicrobiol.nature.com from Sigal Ben-Yehuda, Ilan Rosenshine
with Boris Maček
within ERCSyG and @spp2389.bsky.social
www.nature.com/articles/s41...
YokF encoded within prophage
@natmicrobiol.nature.com from Sigal Ben-Yehuda, Ilan Rosenshine
with Boris Maček
within ERCSyG and @spp2389.bsky.social
www.nature.com/articles/s41...
A family of endonucleases blocks nanotube-mediated plasmid exchange - Nature Microbiology
The YokF endonuclease provides a donor-controlled mechanism to limit plasmid transfer to recipient bacteria via nanotubes in Bacillus subtilis, with YokF functional homologues found across Gram-positi...
www.nature.com
April 4, 2026 at 10:37 AM
A family of endonucleases blocks nanotube-mediated plasmid exchange
YokF encoded within prophage
@natmicrobiol.nature.com from Sigal Ben-Yehuda, Ilan Rosenshine
with Boris Maček
within ERCSyG and @spp2389.bsky.social
www.nature.com/articles/s41...
YokF encoded within prophage
@natmicrobiol.nature.com from Sigal Ben-Yehuda, Ilan Rosenshine
with Boris Maček
within ERCSyG and @spp2389.bsky.social
www.nature.com/articles/s41...
The architecture and evolution of prokaryotic multicellularity.
A must read @spp2389.bsky.social
www.authorea.com/doi/full/10....
A must read @spp2389.bsky.social
www.authorea.com/doi/full/10....
March 27, 2026 at 9:08 AM
The architecture and evolution of prokaryotic multicellularity.
A must read @spp2389.bsky.social
www.authorea.com/doi/full/10....
A must read @spp2389.bsky.social
www.authorea.com/doi/full/10....
Phd students Genna Sohl and Arthur Schubert led this work, which began over a year ago at the @spp2389.bsky.social meeting, when Thorsten Mascher asked me to work with them.
Link: bit.ly/4ta06Gq
4/4
Link: bit.ly/4ta06Gq
4/4
March 26, 2026 at 2:14 PM
Phd students Genna Sohl and Arthur Schubert led this work, which began over a year ago at the @spp2389.bsky.social meeting, when Thorsten Mascher asked me to work with them.
Link: bit.ly/4ta06Gq
4/4
Link: bit.ly/4ta06Gq
4/4
A bacterial extracellular matrix protein forms a supramolecular metallogel
[=Bacillus subtilis TasA and Zn]
bioRxiv from Liraz Chai
with @vasilyzaburdaev.bsky.social within @spp2389.bsky.social
www.biorxiv.org/content/10.6...
[=Bacillus subtilis TasA and Zn]
bioRxiv from Liraz Chai
with @vasilyzaburdaev.bsky.social within @spp2389.bsky.social
www.biorxiv.org/content/10.6...
www.biorxiv.org
March 14, 2026 at 12:57 PM
A bacterial extracellular matrix protein forms a supramolecular metallogel
[=Bacillus subtilis TasA and Zn]
bioRxiv from Liraz Chai
with @vasilyzaburdaev.bsky.social within @spp2389.bsky.social
www.biorxiv.org/content/10.6...
[=Bacillus subtilis TasA and Zn]
bioRxiv from Liraz Chai
with @vasilyzaburdaev.bsky.social within @spp2389.bsky.social
www.biorxiv.org/content/10.6...
Interested in the regulation and evolution of multicellularity in Strepromyces?
Natalia Tschowri (@unihannover.bsky.social) and Daniel Rozen (@unileiden.bsky.social) are looking for a PhD student as part of #SPP2389 !
#PhDposition
Natalia Tschowri (@unihannover.bsky.social) and Daniel Rozen (@unileiden.bsky.social) are looking for a PhD student as part of #SPP2389 !
#PhDposition
PhD position with Natalia Tschowri (@unihannover.bsky.social) and Daniel Rozen (@unileiden.bsky.social @leidenscience.bsky.social) within @spp2389.bsky.social program
Regulation and Evolution of Bacterial Multicellularity
Application deadline until 15 March 2026
#PhDposition
Regulation and Evolution of Bacterial Multicellularity
Application deadline until 15 March 2026
#PhDposition
February 22, 2026 at 12:53 PM
Interested in the regulation and evolution of multicellularity in Strepromyces?
Natalia Tschowri (@unihannover.bsky.social) and Daniel Rozen (@unileiden.bsky.social) are looking for a PhD student as part of #SPP2389 !
#PhDposition
Natalia Tschowri (@unihannover.bsky.social) and Daniel Rozen (@unileiden.bsky.social) are looking for a PhD student as part of #SPP2389 !
#PhDposition
PhD position with Natalia Tschowri (@unihannover.bsky.social) and Daniel Rozen (@unileiden.bsky.social @leidenscience.bsky.social) within @spp2389.bsky.social program
Regulation and Evolution of Bacterial Multicellularity
Application deadline until 15 March 2026
#PhDposition
Regulation and Evolution of Bacterial Multicellularity
Application deadline until 15 March 2026
#PhDposition
February 22, 2026 at 12:05 PM
PhD position with Natalia Tschowri (@unihannover.bsky.social) and Daniel Rozen (@unileiden.bsky.social @leidenscience.bsky.social) within @spp2389.bsky.social program
Regulation and Evolution of Bacterial Multicellularity
Application deadline until 15 March 2026
#PhDposition
Regulation and Evolution of Bacterial Multicellularity
Application deadline until 15 March 2026
#PhDposition
And we’re back! The second funding period of #SPP2389 started this week with our kickoff meeting in Grimma
Stay tuned in the next few weeks/months to get to know both the old and new members working on projects centered around the fascinating world of bacterial multicellularity! 🦠
Stay tuned in the next few weeks/months to get to know both the old and new members working on projects centered around the fascinating world of bacterial multicellularity! 🦠
February 6, 2026 at 2:53 PM
And we’re back! The second funding period of #SPP2389 started this week with our kickoff meeting in Grimma
Stay tuned in the next few weeks/months to get to know both the old and new members working on projects centered around the fascinating world of bacterial multicellularity! 🦠
Stay tuned in the next few weeks/months to get to know both the old and new members working on projects centered around the fascinating world of bacterial multicellularity! 🦠
Our latest paper on Guanidine metabolism in #Cyanobacteria is out @pnas.org
(it's useful as N nutrient but toxic at the same time)
A great collaboration w Klähn lab w small part from us on toxicity😅
@hhu.de @spp2389.bsky.social
@sfb1381.bsky.social @mibinet.bsky.social
www.pnas.org/doi/10.1073/...
(it's useful as N nutrient but toxic at the same time)
A great collaboration w Klähn lab w small part from us on toxicity😅
@hhu.de @spp2389.bsky.social
@sfb1381.bsky.social @mibinet.bsky.social
www.pnas.org/doi/10.1073/...
Deciphering guanidine assimilation and riboswitch-based gene regulation in cyanobacteria for synthetic biology applications | PNAS
Guanidine is well known as a denaturing agent. However, recent studies have demonstrated
both the widespread synthesis of guanidine, e.g., in plant...
www.pnas.org
December 5, 2025 at 5:57 PM
Our latest paper on Guanidine metabolism in #Cyanobacteria is out @pnas.org
(it's useful as N nutrient but toxic at the same time)
A great collaboration w Klähn lab w small part from us on toxicity😅
@hhu.de @spp2389.bsky.social
@sfb1381.bsky.social @mibinet.bsky.social
www.pnas.org/doi/10.1073/...
(it's useful as N nutrient but toxic at the same time)
A great collaboration w Klähn lab w small part from us on toxicity😅
@hhu.de @spp2389.bsky.social
@sfb1381.bsky.social @mibinet.bsky.social
www.pnas.org/doi/10.1073/...
@spp2389.bsky.social
You may be interested in a new emerging theory that is claiming to unite all fields of study under one thermodynamic language.
www.hivegeist.us/2025/07/27/t...
You may be interested in a new emerging theory that is claiming to unite all fields of study under one thermodynamic language.
www.hivegeist.us/2025/07/27/t...
HiveGeist - TAIRID: The Recursive Structure of Emergence
A new type of thinking is essential if mankind is to survive and move toward higher levels. — Albert Einstein
www.hivegeist.us
November 3, 2025 at 5:14 PM
@spp2389.bsky.social
You may be interested in a new emerging theory that is claiming to unite all fields of study under one thermodynamic language.
www.hivegeist.us/2025/07/27/t...
You may be interested in a new emerging theory that is claiming to unite all fields of study under one thermodynamic language.
www.hivegeist.us/2025/07/27/t...
Bakteriopolis is in Halle at the #SilbersalzFestival this week! Even Come try water kefir, make your own bacterium, and learn about the hidden world of multicellular microbes! #SPP2389 #microsky #wisskomm
Danke an Mainzelmännchen Det für den Besuch! @zdfde.bsky.social
Danke an Mainzelmännchen Det für den Besuch! @zdfde.bsky.social
October 30, 2025 at 10:32 AM
Bakteriopolis is in Halle at the #SilbersalzFestival this week! Even Come try water kefir, make your own bacterium, and learn about the hidden world of multicellular microbes! #SPP2389 #microsky #wisskomm
Danke an Mainzelmännchen Det für den Besuch! @zdfde.bsky.social
Danke an Mainzelmännchen Det für den Besuch! @zdfde.bsky.social
#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
#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
Interested in working on microbial interactions and cooperative cross-feeding? Join @kostchristian.bsky.social as a part of #SPP2389 !
#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 15, 2025 at 4:40 PM
Interested in working on microbial interactions and cooperative cross-feeding? Join @kostchristian.bsky.social as a part of #SPP2389 !
#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 15, 2025 at 1:07 PM
#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
Our head of #SPP2389 Thorsten Mascher also put the spotlight on the multicellular microbial communities of water kefir - thanks again @evolvedbiofilm.bsky.social !
@embo.org #Multicellverse
@embo.org #Multicellverse
Thorsten Mascher, speaker of @spp2389.bsky.social at #Multicellverse 👇🏼
Thorsten Mascher talking about amazing water kefir grains. #Multicellverse
October 10, 2025 at 9:22 PM
Our head of #SPP2389 Thorsten Mascher also put the spotlight on the multicellular microbial communities of water kefir - thanks again @evolvedbiofilm.bsky.social !
@embo.org #Multicellverse
@embo.org #Multicellverse
Thorsten Mascher, speaker of @spp2389.bsky.social at #Multicellverse 👇🏼
Thorsten Mascher talking about amazing water kefir grains. #Multicellverse
October 10, 2025 at 5:19 PM
Thorsten Mascher, speaker of @spp2389.bsky.social at #Multicellverse 👇🏼
Lena Friebel is now talking about cannibalism in bacteria! #Multicellverse
October 10, 2025 at 5:18 PM
PhD position on Regulation and Evolution of Bacterial Multicellularity ( #Streptomyces ) within @spp2389.bsky.social supervised by Natalia Tschowri (Hannover 🇩🇪) and Danny Rozen (Leiden 🇳🇱) with research at both locations
deadline: October 31, 2025
www.uni-hannover.de/en/jobs/id/802
deadline: October 31, 2025
www.uni-hannover.de/en/jobs/id/802
October 8, 2025 at 1:18 PM
PhD position on Regulation and Evolution of Bacterial Multicellularity ( #Streptomyces ) within @spp2389.bsky.social supervised by Natalia Tschowri (Hannover 🇩🇪) and Danny Rozen (Leiden 🇳🇱) with research at both locations
deadline: October 31, 2025
www.uni-hannover.de/en/jobs/id/802
deadline: October 31, 2025
www.uni-hannover.de/en/jobs/id/802
Happy to have been part of EVOLUTION & MECHANISMS GOVERNING MULTICELLULARITY—one of 3 workshops behind @asm.org’s new report. Big questions, great conversations—looking back on origins of microbial life and what lies ahead. Highly recommended read: asm.org/reports/earl...
#MicroSky #MEvoSky #EvoSky
#MicroSky #MEvoSky #EvoSky
June 24, 2025 at 7:40 AM
A very interesting study by @cyanofur.bsky.social Lab on biofilm formation by filamentous #Cyanobacteria Nostoc
Could be interesting for @spp2389.bsky.social
nph.onlinelibrary.wiley.com/doi/10.1111/...
Could be interesting for @spp2389.bsky.social
nph.onlinelibrary.wiley.com/doi/10.1111/...
June 23, 2025 at 2:13 PM
A very interesting study by @cyanofur.bsky.social Lab on biofilm formation by filamentous #Cyanobacteria Nostoc
Could be interesting for @spp2389.bsky.social
nph.onlinelibrary.wiley.com/doi/10.1111/...
Could be interesting for @spp2389.bsky.social
nph.onlinelibrary.wiley.com/doi/10.1111/...