Yoann Santin
@ysantin.bsky.social
Ph.D. in Microbiology, post-doc at @UCLouvain_be in the @LalouxLab @EMBO fellow #Bdellovibrio, former in @CascalesLab #T6SS
Reposted by Yoann Santin
🔥 At conferences, who asks the questions shapes who gets seen. Across 24 ID&CM meetings, women were 55% of delegates but asked 36% of questions.
💬 When women moderate or speak first, others follow.
Let’s change the pattern
bit.ly/47VL0eH
🙏 @maudsalmona.bsky.social & MicroID EmpowHERment consortium
💬 When women moderate or speak first, others follow.
Let’s change the pattern
bit.ly/47VL0eH
🙏 @maudsalmona.bsky.social & MicroID EmpowHERment consortium
November 13, 2025 at 9:48 AM
🔥 At conferences, who asks the questions shapes who gets seen. Across 24 ID&CM meetings, women were 55% of delegates but asked 36% of questions.
💬 When women moderate or speak first, others follow.
Let’s change the pattern
bit.ly/47VL0eH
🙏 @maudsalmona.bsky.social & MicroID EmpowHERment consortium
💬 When women moderate or speak first, others follow.
Let’s change the pattern
bit.ly/47VL0eH
🙏 @maudsalmona.bsky.social & MicroID EmpowHERment consortium
Reposted by Yoann Santin
#RejoignezLeCNRS 🫵 Les concours chercheurs CNRS 2026 ouvrent le 8/12 !
Envie de faire avancer la science au sein d’un des plus grands organismes de recherche ?
👉 carrieres.cnrs.fr/concours-...
#ConcoursChercheurs #Science #Recherche #Icicarecrute #recrutement
Envie de faire avancer la science au sein d’un des plus grands organismes de recherche ?
👉 carrieres.cnrs.fr/concours-...
#ConcoursChercheurs #Science #Recherche #Icicarecrute #recrutement
November 25, 2025 at 10:02 AM
#RejoignezLeCNRS 🫵 Les concours chercheurs CNRS 2026 ouvrent le 8/12 !
Envie de faire avancer la science au sein d’un des plus grands organismes de recherche ?
👉 carrieres.cnrs.fr/concours-...
#ConcoursChercheurs #Science #Recherche #Icicarecrute #recrutement
Envie de faire avancer la science au sein d’un des plus grands organismes de recherche ?
👉 carrieres.cnrs.fr/concours-...
#ConcoursChercheurs #Science #Recherche #Icicarecrute #recrutement
Reposted by Yoann Santin
rdcu.be/eRxNf here our new study on the characterization of the lipopolysaccharide holotranslocon, LptDE and the newly identified subunits LptM and LptY. Great collaboration with @fronzeslab.bsky.social @pstansfeld.bsky.social @JulienMarcoux @YvesQuentin
Structural basis of lipopolysaccharide assembly by the outer membrane translocon holo-complex
Nature Communications - The asymmetric distribution of lipopolysaccharide (LPS) on the surface of the bacterial outer membrane is essential and crucial for antibiotic resistance. Here, authors...
rdcu.be
November 24, 2025 at 4:08 PM
rdcu.be/eRxNf here our new study on the characterization of the lipopolysaccharide holotranslocon, LptDE and the newly identified subunits LptM and LptY. Great collaboration with @fronzeslab.bsky.social @pstansfeld.bsky.social @JulienMarcoux @YvesQuentin
Reposted by Yoann Santin
The hinge bypass gate paper is finally out! doi.org/10.1038/s414...
We show how loop-extruding SMC complexes can maintain DNA entrapment while bypassing obstacles on DNA — including transcription machinery & potentially other SMCs.
A lucky convergence of 3 projects lead to the initial discovery!
We show how loop-extruding SMC complexes can maintain DNA entrapment while bypassing obstacles on DNA — including transcription machinery & potentially other SMCs.
A lucky convergence of 3 projects lead to the initial discovery!
The SMC Hinge is a Selective Gate for Obstacle Bypass - Nature Communications
SMC complexes are ring-shaped motors that fold DNA by extruding loops, but how they navigate large DNA obstacles is unclear. Here, Liu et al., show that SMC complexes bypass obstacles by threading obs...
doi.org
November 25, 2025 at 3:26 PM
The hinge bypass gate paper is finally out! doi.org/10.1038/s414...
We show how loop-extruding SMC complexes can maintain DNA entrapment while bypassing obstacles on DNA — including transcription machinery & potentially other SMCs.
A lucky convergence of 3 projects lead to the initial discovery!
We show how loop-extruding SMC complexes can maintain DNA entrapment while bypassing obstacles on DNA — including transcription machinery & potentially other SMCs.
A lucky convergence of 3 projects lead to the initial discovery!
Reposted by Yoann Santin
Very happy to share our work on lipopolysaccharide assembly by the Lpt complex, published today in @natcomms.nature.com
Fantastic collaboration with @raffaeleieva.bsky.social l and t @pstansfeld.bsky.social
Congrats to all authors, especially Haoxiang, Axel & Violette
🔗 doi.org/10.1038/s414...
Fantastic collaboration with @raffaeleieva.bsky.social l and t @pstansfeld.bsky.social
Congrats to all authors, especially Haoxiang, Axel & Violette
🔗 doi.org/10.1038/s414...
Structural basis of lipopolysaccharide assembly by the outer membrane translocon holo-complex - Nature Communications
The asymmetric distribution of lipopolysaccharide (LPS) on the surface of the bacterial outer membrane is essential and crucial for antibiotic resistance. Here, authors characterize the LPS translocon...
doi.org
November 24, 2025 at 3:22 PM
Very happy to share our work on lipopolysaccharide assembly by the Lpt complex, published today in @natcomms.nature.com
Fantastic collaboration with @raffaeleieva.bsky.social l and t @pstansfeld.bsky.social
Congrats to all authors, especially Haoxiang, Axel & Violette
🔗 doi.org/10.1038/s414...
Fantastic collaboration with @raffaeleieva.bsky.social l and t @pstansfeld.bsky.social
Congrats to all authors, especially Haoxiang, Axel & Violette
🔗 doi.org/10.1038/s414...
Reposted by Yoann Santin
Our latest T7SS study is now out in Science Advances!
We solved the cryoEM structure of the T7SSb core unit (T7bCU) composed of YukB, YukC, and YukD from Bacillus subtilis, revealing how these components assemble within the secretion machinery.
www.science.org/doi/10.1126/...
We solved the cryoEM structure of the T7SSb core unit (T7bCU) composed of YukB, YukC, and YukD from Bacillus subtilis, revealing how these components assemble within the secretion machinery.
www.science.org/doi/10.1126/...
A ubiquitin-like protein controls assembly of a bacterial type VIIb secretion system
Cryo-EM structure reveals how a ubiquitin-like protein orchestrates assembly of a bacterial weapon system.
www.science.org
November 21, 2025 at 7:05 PM
Our latest T7SS study is now out in Science Advances!
We solved the cryoEM structure of the T7SSb core unit (T7bCU) composed of YukB, YukC, and YukD from Bacillus subtilis, revealing how these components assemble within the secretion machinery.
www.science.org/doi/10.1126/...
We solved the cryoEM structure of the T7SSb core unit (T7bCU) composed of YukB, YukC, and YukD from Bacillus subtilis, revealing how these components assemble within the secretion machinery.
www.science.org/doi/10.1126/...
Reposted by Yoann Santin
📣 Applications are NOW OPEN for our International Undergraduate Summer School 2026
🗓️ 29 June - 22 August 2026
📍 John Innes Centre, NR4 7UH
⏰ Deadline: 16 January 2026
Find out more and apply: www.jic.ac.uk/training-car...
🗓️ 29 June - 22 August 2026
📍 John Innes Centre, NR4 7UH
⏰ Deadline: 16 January 2026
Find out more and apply: www.jic.ac.uk/training-car...
November 22, 2025 at 1:05 AM
📣 Applications are NOW OPEN for our International Undergraduate Summer School 2026
🗓️ 29 June - 22 August 2026
📍 John Innes Centre, NR4 7UH
⏰ Deadline: 16 January 2026
Find out more and apply: www.jic.ac.uk/training-car...
🗓️ 29 June - 22 August 2026
📍 John Innes Centre, NR4 7UH
⏰ Deadline: 16 January 2026
Find out more and apply: www.jic.ac.uk/training-car...
Reposted by Yoann Santin
We just released a new major version of TrackMate (v8), the cell and organelle tracking plugin of Fiji.
It ships many new features, detailed below, but that are articulated around the following:
It ships many new features, detailed below, but that are articulated around the following:
November 20, 2025 at 11:42 AM
We just released a new major version of TrackMate (v8), the cell and organelle tracking plugin of Fiji.
It ships many new features, detailed below, but that are articulated around the following:
It ships many new features, detailed below, but that are articulated around the following:
TnSeq in bacteriophages 🤩
🚨Preprint alert - this is a big one! We transfer the revolutionary power of TnSeq to bacteriophages.
Our HIDEN-SEQ links the "dark matter" genes of your favorite phage to any selectable phenotype, guiding the path from fun observations to molecular mechanisms.
A thread 1/8
Our HIDEN-SEQ links the "dark matter" genes of your favorite phage to any selectable phenotype, guiding the path from fun observations to molecular mechanisms.
A thread 1/8
November 21, 2025 at 11:50 AM
TnSeq in bacteriophages 🤩
Reposted by Yoann Santin
🚀New preprint from our lab!
I am very excited to finally share what has been the main focus of my PhD for the past almost 3 years! It is about viral dark matter and a powerful tool we built to shed light on it. 🧬💡
Continue reading (🧵)
I am very excited to finally share what has been the main focus of my PhD for the past almost 3 years! It is about viral dark matter and a powerful tool we built to shed light on it. 🧬💡
Continue reading (🧵)
November 20, 2025 at 6:52 PM
🚀New preprint from our lab!
I am very excited to finally share what has been the main focus of my PhD for the past almost 3 years! It is about viral dark matter and a powerful tool we built to shed light on it. 🧬💡
Continue reading (🧵)
I am very excited to finally share what has been the main focus of my PhD for the past almost 3 years! It is about viral dark matter and a powerful tool we built to shed light on it. 🧬💡
Continue reading (🧵)
Reposted by Yoann Santin
Bacteriologists - save the date for the next BacNet meeting in September 2026 #BacNet26 organised by @lalouxlab.bsky.social
Bacterial networks #BacNet26 in September 2026 will be chaired by @lalouxlab.bsky.social and co-chaired by @s-lab.bsky.social with @coralietesseur.bsky.social
Sneak peak on invited speakers and preliminary program:
meetings.embo.org/event/26-bac...
Sneak peak on invited speakers and preliminary program:
meetings.embo.org/event/26-bac...
November 20, 2025 at 8:58 AM
Bacteriologists - save the date for the next BacNet meeting in September 2026 #BacNet26 organised by @lalouxlab.bsky.social
Reposted by Yoann Santin
Apply now to attend the next EMBO Bacterial Networks meeting #EMBOBacNet
🗓️13-18 September 2026
📍Sant Feliu de Guixols, Spain
📝Program and registration info: meetings.embo.org/event/26-bac...
👩🔬Organised with co-chair @s-lab.bsky.social and ECR @coralietesseur.bsky.social
#MicroSky
🗓️13-18 September 2026
📍Sant Feliu de Guixols, Spain
📝Program and registration info: meetings.embo.org/event/26-bac...
👩🔬Organised with co-chair @s-lab.bsky.social and ECR @coralietesseur.bsky.social
#MicroSky
November 20, 2025 at 10:16 AM
Apply now to attend the next EMBO Bacterial Networks meeting #EMBOBacNet
🗓️13-18 September 2026
📍Sant Feliu de Guixols, Spain
📝Program and registration info: meetings.embo.org/event/26-bac...
👩🔬Organised with co-chair @s-lab.bsky.social and ECR @coralietesseur.bsky.social
#MicroSky
🗓️13-18 September 2026
📍Sant Feliu de Guixols, Spain
📝Program and registration info: meetings.embo.org/event/26-bac...
👩🔬Organised with co-chair @s-lab.bsky.social and ECR @coralietesseur.bsky.social
#MicroSky
🤩
How do cells adapt morphology to function? In a 🔥 preprint by @zjmaggiexu.bsky.social , with @dudinlab.bsky.social and @amyweeks.bsky.social , we identify a self-organizing single-cell morphology circuit that optimizes the feeding trap structure of the suctorian P. collini. 🧵 tinyurl.com/4k8nv926
November 20, 2025 at 6:46 AM
🤩
Reposted by Yoann Santin
Happy to share our latest T6SS review:
nature.com/articles/s41...
Thank you, Jan, Danny (@dannyjamesward.bsky.social), Joana (@joanampereira.bsky.social), as well as reviewers and editors @natrevmicro.nature.com!
nature.com/articles/s41...
Thank you, Jan, Danny (@dannyjamesward.bsky.social), Joana (@joanampereira.bsky.social), as well as reviewers and editors @natrevmicro.nature.com!
The type VI secretion system and associated effector proteins - Nature Reviews Microbiology
In this Review, Basler and colleagues examine the type VI secretion system (T6SS), focusing on the diversity of antibacterial T6SS effectors and the evolutionary forces that shape them. They explain h...
nature.com
November 17, 2025 at 10:08 AM
Happy to share our latest T6SS review:
nature.com/articles/s41...
Thank you, Jan, Danny (@dannyjamesward.bsky.social), Joana (@joanampereira.bsky.social), as well as reviewers and editors @natrevmicro.nature.com!
nature.com/articles/s41...
Thank you, Jan, Danny (@dannyjamesward.bsky.social), Joana (@joanampereira.bsky.social), as well as reviewers and editors @natrevmicro.nature.com!
Reposted by Yoann Santin
Proud to share my first first-author article from my PhD!
A big thank to my chiefs @thicoz.bsky.social @cascaleslab.bsky.social and congratulations to all co-authors @audebertstephane.bsky.social @Caterina comas
A big thank to my chiefs @thicoz.bsky.social @cascaleslab.bsky.social and congratulations to all co-authors @audebertstephane.bsky.social @Caterina comas
Happy to share the last paper form the lab:
Specialized shuttle proteins recognize
T9SS signals and target
effectors to their final destinations. Great work by @maellepllt.bsky.social, led by @thicoz.bsky.social in collaboration with @audebertstephane.bsky.social
www.nature.com/articles/s42...
Specialized shuttle proteins recognize
T9SS signals and target
effectors to their final destinations. Great work by @maellepllt.bsky.social, led by @thicoz.bsky.social in collaboration with @audebertstephane.bsky.social
www.nature.com/articles/s42...
Specialized shuttle proteins recognize Type IX secretion signals and target effectors to their final destinations in Flavobacterium johnsoniae
Communications Biology - Bacteroidota use the Type IX secretion system to secrete proteins with a conserved C-terminal domain (CTD) secretion signal domain. Type B CTDs require specific shuttle...
www.nature.com
November 16, 2025 at 4:07 PM
Proud to share my first first-author article from my PhD!
A big thank to my chiefs @thicoz.bsky.social @cascaleslab.bsky.social and congratulations to all co-authors @audebertstephane.bsky.social @Caterina comas
A big thank to my chiefs @thicoz.bsky.social @cascaleslab.bsky.social and congratulations to all co-authors @audebertstephane.bsky.social @Caterina comas
Reposted by Yoann Santin
Happy to share the last paper form the lab:
Specialized shuttle proteins recognize
T9SS signals and target
effectors to their final destinations. Great work by @maellepllt.bsky.social, led by @thicoz.bsky.social in collaboration with @audebertstephane.bsky.social
www.nature.com/articles/s42...
Specialized shuttle proteins recognize
T9SS signals and target
effectors to their final destinations. Great work by @maellepllt.bsky.social, led by @thicoz.bsky.social in collaboration with @audebertstephane.bsky.social
www.nature.com/articles/s42...
Specialized shuttle proteins recognize Type IX secretion signals and target effectors to their final destinations in Flavobacterium johnsoniae
Communications Biology - Bacteroidota use the Type IX secretion system to secrete proteins with a conserved C-terminal domain (CTD) secretion signal domain. Type B CTDs require specific shuttle...
www.nature.com
November 15, 2025 at 3:55 PM
Happy to share the last paper form the lab:
Specialized shuttle proteins recognize
T9SS signals and target
effectors to their final destinations. Great work by @maellepllt.bsky.social, led by @thicoz.bsky.social in collaboration with @audebertstephane.bsky.social
www.nature.com/articles/s42...
Specialized shuttle proteins recognize
T9SS signals and target
effectors to their final destinations. Great work by @maellepllt.bsky.social, led by @thicoz.bsky.social in collaboration with @audebertstephane.bsky.social
www.nature.com/articles/s42...
Reposted by Yoann Santin
Reposted by Yoann Santin
📣 Looking for a 3-Year Postdoc @johninnescentre.bsky.social to join my Wellcome project.
This is a highly interdisciplinary project that explores chromatin dynamics in 🌱 plant responses across timescales, from circadian rhythms to seasonal changes
📅 Closes on 10 Dec.
www.jic.ac.uk/vacancies/36...
This is a highly interdisciplinary project that explores chromatin dynamics in 🌱 plant responses across timescales, from circadian rhythms to seasonal changes
📅 Closes on 10 Dec.
www.jic.ac.uk/vacancies/36...
Postdoctoral Researcher (Dr Miguel Montez) | John Innes Centre
An exciting opportunity has arisen for a Postdoctoral Researcher to join the Wellcome Trust project led by Dr Miguel Montez and hosted within the Dodd Group at the John Innes Centre.
www.jic.ac.uk
November 13, 2025 at 8:34 AM
📣 Looking for a 3-Year Postdoc @johninnescentre.bsky.social to join my Wellcome project.
This is a highly interdisciplinary project that explores chromatin dynamics in 🌱 plant responses across timescales, from circadian rhythms to seasonal changes
📅 Closes on 10 Dec.
www.jic.ac.uk/vacancies/36...
This is a highly interdisciplinary project that explores chromatin dynamics in 🌱 plant responses across timescales, from circadian rhythms to seasonal changes
📅 Closes on 10 Dec.
www.jic.ac.uk/vacancies/36...
Reposted by Yoann Santin
A duet of T6SS effectors
Preview of new work reporting a BtapC-orchestrated co-secretion mechanism for T6SS effectors BtpeA and BtaeB in gut Bacteroidota, revealing a conserved strategy for interbacterial competition and gut microbiota modulation
www.cell.com/cell-host-mi...
Preview of new work reporting a BtapC-orchestrated co-secretion mechanism for T6SS effectors BtpeA and BtaeB in gut Bacteroidota, revealing a conserved strategy for interbacterial competition and gut microbiota modulation
www.cell.com/cell-host-mi...
A duet of T6SS effectors
How do gut bacteria outcompete rivals in dense microbial ecosystems? In this issue
of Cell Host & Microbe, Li et al. report a BtapC-orchestrated co-secretion mechanism
of T6SS effectors BtpeA and Btae...
www.cell.com
November 13, 2025 at 8:20 PM
A duet of T6SS effectors
Preview of new work reporting a BtapC-orchestrated co-secretion mechanism for T6SS effectors BtpeA and BtaeB in gut Bacteroidota, revealing a conserved strategy for interbacterial competition and gut microbiota modulation
www.cell.com/cell-host-mi...
Preview of new work reporting a BtapC-orchestrated co-secretion mechanism for T6SS effectors BtpeA and BtaeB in gut Bacteroidota, revealing a conserved strategy for interbacterial competition and gut microbiota modulation
www.cell.com/cell-host-mi...
Reposted by Yoann Santin
Assembly, architecture and functional roles of microbial surface layers
Review article published in @natrevmicro.nature.com with @bupbuse.bsky.social, Andriko von Kügelgen and @vikramalva.bsky.social.
S-layers are everywhere!
www.nature.com/articles/s41...
Review article published in @natrevmicro.nature.com with @bupbuse.bsky.social, Andriko von Kügelgen and @vikramalva.bsky.social.
S-layers are everywhere!
www.nature.com/articles/s41...
Assembly, architecture and functional roles of microbial surface layers - Nature Reviews Microbiology
Surface layers (S-layers) are ubiquitous protein assemblies that coat prokaryotic cells, with their functional roles increasingly coming into focus. In this Review, Isbilir and colleagues discuss rece...
www.nature.com
November 13, 2025 at 8:14 PM
Assembly, architecture and functional roles of microbial surface layers
Review article published in @natrevmicro.nature.com with @bupbuse.bsky.social, Andriko von Kügelgen and @vikramalva.bsky.social.
S-layers are everywhere!
www.nature.com/articles/s41...
Review article published in @natrevmicro.nature.com with @bupbuse.bsky.social, Andriko von Kügelgen and @vikramalva.bsky.social.
S-layers are everywhere!
www.nature.com/articles/s41...
Reposted by Yoann Santin
What if even the core of bacterial nanomachines wasn’t static?
We found that the T3SS core protein SctD in Yersinia dynamically exchanges subunits — and this flexibility is essential for proper assembly & function.
🔗 www.nature.com/articles/s41...
@kit.edu @t3sss.bsky.social
We found that the T3SS core protein SctD in Yersinia dynamically exchanges subunits — and this flexibility is essential for proper assembly & function.
🔗 www.nature.com/articles/s41...
@kit.edu @t3sss.bsky.social
November 12, 2025 at 4:21 PM
What if even the core of bacterial nanomachines wasn’t static?
We found that the T3SS core protein SctD in Yersinia dynamically exchanges subunits — and this flexibility is essential for proper assembly & function.
🔗 www.nature.com/articles/s41...
@kit.edu @t3sss.bsky.social
We found that the T3SS core protein SctD in Yersinia dynamically exchanges subunits — and this flexibility is essential for proper assembly & function.
🔗 www.nature.com/articles/s41...
@kit.edu @t3sss.bsky.social
Reposted by Yoann Santin
Reposted by Yoann Santin
📢 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 Yoann Santin
An Asgard archaeon containing internal membrane compartments!! 😯
This will reshape our understanding of how the eukaryotic endomembrane system originated.
Congrats to @buzzbaum.bsky.social, @tbharat-lab.bsky.social and all ppl involved!
www.biorxiv.org/content/10.1...
This will reshape our understanding of how the eukaryotic endomembrane system originated.
Congrats to @buzzbaum.bsky.social, @tbharat-lab.bsky.social and all ppl involved!
www.biorxiv.org/content/10.1...
An Asgard archaeon with internal membrane compartments
The emergence of eukaryotes from a merger between an archaeon and a bacterial cell ~two billion years ago involved a profound change in cellular organisation. While the order in which different featur...
www.biorxiv.org
November 8, 2025 at 5:15 PM
An Asgard archaeon containing internal membrane compartments!! 😯
This will reshape our understanding of how the eukaryotic endomembrane system originated.
Congrats to @buzzbaum.bsky.social, @tbharat-lab.bsky.social and all ppl involved!
www.biorxiv.org/content/10.1...
This will reshape our understanding of how the eukaryotic endomembrane system originated.
Congrats to @buzzbaum.bsky.social, @tbharat-lab.bsky.social and all ppl involved!
www.biorxiv.org/content/10.1...
Reposted by Yoann Santin
When asked to draw a scientist, school-age kids in the United States are increasingly sketching women, according to a study from 2018.
Read more on #STEMSTEAMDay: https://scim.ag/4qFrPON
Read more on #STEMSTEAMDay: https://scim.ag/4qFrPON
November 8, 2025 at 4:11 PM
When asked to draw a scientist, school-age kids in the United States are increasingly sketching women, according to a study from 2018.
Read more on #STEMSTEAMDay: https://scim.ag/4qFrPON
Read more on #STEMSTEAMDay: https://scim.ag/4qFrPON