Allegretti Lab
@matteoall.bsky.social
Cellular structural biology (cryo-EM/ET, CLEM, biophysics) | nature, society, sport and fatherhood | Group Leader at MRC_LMB | https://www2.mrc-lmb.cam.ac.uk/group-leaders/a-to-g/matteo-allegretti/
Reposted by Allegretti Lab
Very sad news, John Gurdon has died.
A developmental biologist's developmental biologist, Nobel prize winner
His work is the foundation of much of today's dev & stem cell bio.
An inspiration to many, including me. Always asking questions & wanting the answers
www.magd.cam.ac.uk/news/profess...
A developmental biologist's developmental biologist, Nobel prize winner
His work is the foundation of much of today's dev & stem cell bio.
An inspiration to many, including me. Always asking questions & wanting the answers
www.magd.cam.ac.uk/news/profess...
Professor Sir John Gurdon FRS (1933-2025) | Magdalene College
Magdalene College is deeply saddened to announce the death of Professor Sir John Gurdon FRS, who served as Master of the College from 1995 to 2002.
www.magd.cam.ac.uk
October 7, 2025 at 4:02 PM
Very sad news, John Gurdon has died.
A developmental biologist's developmental biologist, Nobel prize winner
His work is the foundation of much of today's dev & stem cell bio.
An inspiration to many, including me. Always asking questions & wanting the answers
www.magd.cam.ac.uk/news/profess...
A developmental biologist's developmental biologist, Nobel prize winner
His work is the foundation of much of today's dev & stem cell bio.
An inspiration to many, including me. Always asking questions & wanting the answers
www.magd.cam.ac.uk/news/profess...
Reposted by Allegretti Lab
Another preprint highlight was posted by Kanishka Parashar!
Read how paclitaxel can target cancer cells by destabilising nuclear integrity in interphase - #preprint from @matteoall.bsky.social & team #preprint
#preLight ⬇️👀
prelights.biologists.com/highlights/p...
Read how paclitaxel can target cancer cells by destabilising nuclear integrity in interphase - #preprint from @matteoall.bsky.social & team #preprint
#preLight ⬇️👀
prelights.biologists.com/highlights/p...
Paclitaxel compromises nuclear integrity in interphase through SUN2-mediated cytoskeletal coupling - preLights
Paclitaxel destabilizes nuclear integrity in interphase by driving microtubule–vimentin aggregates towards the nucleus, leading to SUN2 dependent loss of Lamin A/C loss and enhanced cancer cell vulner...
prelights.biologists.com
September 18, 2025 at 1:47 PM
Another preprint highlight was posted by Kanishka Parashar!
Read how paclitaxel can target cancer cells by destabilising nuclear integrity in interphase - #preprint from @matteoall.bsky.social & team #preprint
#preLight ⬇️👀
prelights.biologists.com/highlights/p...
Read how paclitaxel can target cancer cells by destabilising nuclear integrity in interphase - #preprint from @matteoall.bsky.social & team #preprint
#preLight ⬇️👀
prelights.biologists.com/highlights/p...
Reposted by Allegretti Lab
Exciting to see our protein binder design pipeline BindCraft published in its final form in @Nature ! This has been an amazing collaborative effort with Lennart, Christian, @sokrypton.org, Bruno and many other amazing lab members and collaborators.
www.nature.com/articles/s41...
www.nature.com/articles/s41...
August 27, 2025 at 4:14 PM
Exciting to see our protein binder design pipeline BindCraft published in its final form in @Nature ! This has been an amazing collaborative effort with Lennart, Christian, @sokrypton.org, Bruno and many other amazing lab members and collaborators.
www.nature.com/articles/s41...
www.nature.com/articles/s41...
Reposted by Allegretti Lab
We’re looking for a Research Support Officer to join @matteoall.bsky.social’s group, working with @piotrkolata.bsky.social to investigate nuclear-cytoskeletal coupling in mammalian cells using #cryoEM, #cryoET & other biochemical approaches.
www.jobs.ac.uk/job/DOE317/r...
Closes 31 AUG
#ScienceJobs
www.jobs.ac.uk/job/DOE317/r...
Closes 31 AUG
#ScienceJobs
August 11, 2025 at 2:43 PM
We’re looking for a Research Support Officer to join @matteoall.bsky.social’s group, working with @piotrkolata.bsky.social to investigate nuclear-cytoskeletal coupling in mammalian cells using #cryoEM, #cryoET & other biochemical approaches.
www.jobs.ac.uk/job/DOE317/r...
Closes 31 AUG
#ScienceJobs
www.jobs.ac.uk/job/DOE317/r...
Closes 31 AUG
#ScienceJobs
Reposted by Allegretti Lab
We discovered that the SUN5-Nesprin3 LINC complex forms a hexagonal lattice at the sperm HTCA, which radically reshapes the nuclear membrane locally!
Our findings also provide the structural basis for understanding the severe ASS (Acephalic Sperm Syndrome) male infertility phenotype.
Our findings also provide the structural basis for understanding the severe ASS (Acephalic Sperm Syndrome) male infertility phenotype.
August 5, 2025 at 12:41 PM
We discovered that the SUN5-Nesprin3 LINC complex forms a hexagonal lattice at the sperm HTCA, which radically reshapes the nuclear membrane locally!
Our findings also provide the structural basis for understanding the severe ASS (Acephalic Sperm Syndrome) male infertility phenotype.
Our findings also provide the structural basis for understanding the severe ASS (Acephalic Sperm Syndrome) male infertility phenotype.
Reposted by Allegretti Lab
This work is the result of a fantastic collaboration with@matteoall.bsky.social!
@warred.bsky.social, @a-dsantos.bsky.social , @alisterburt.bsky.social , @tom-hale.bsky.social, @mrclmb.bsky.social,
@warred.bsky.social, @a-dsantos.bsky.social , @alisterburt.bsky.social , @tom-hale.bsky.social, @mrclmb.bsky.social,
August 5, 2025 at 12:41 PM
This work is the result of a fantastic collaboration with@matteoall.bsky.social!
@warred.bsky.social, @a-dsantos.bsky.social , @alisterburt.bsky.social , @tom-hale.bsky.social, @mrclmb.bsky.social,
@warred.bsky.social, @a-dsantos.bsky.social , @alisterburt.bsky.social , @tom-hale.bsky.social, @mrclmb.bsky.social,
Reposted by Allegretti Lab
We are excited to announce the first in-cell structure of a LINC complex within a native nuclear envelope at subnanometer resolution!! #In-cell cryo-ET + #atomistic MD simulations! @tomdendooven.bsky.social et al!!
www.biorxiv.org/content/10.1...
www.biorxiv.org/content/10.1...
August 5, 2025 at 12:41 PM
We are excited to announce the first in-cell structure of a LINC complex within a native nuclear envelope at subnanometer resolution!! #In-cell cryo-ET + #atomistic MD simulations! @tomdendooven.bsky.social et al!!
www.biorxiv.org/content/10.1...
www.biorxiv.org/content/10.1...
Reposted by Allegretti Lab
Fantastic work by the group of @matteoall.bsky.social : a SUN5:Nesprin3 complex at the head:tail junction of sperm cells. 🤯 #teamtomo
www.biorxiv.org/content/10.1...
www.biorxiv.org/content/10.1...
In-cell structure of a LINC complex reveals the molecular basis for membrane remodelling and head-to-tail coupling in sperm cells
In eukaryotic cells, LINC complexes physically bridge the two nuclear membranes to cytoskeletal filaments, transmitting mechanical forces to the nucleus. Due to their dynamic and membrane-embedded nat...
www.biorxiv.org
August 5, 2025 at 6:14 AM
Fantastic work by the group of @matteoall.bsky.social : a SUN5:Nesprin3 complex at the head:tail junction of sperm cells. 🤯 #teamtomo
www.biorxiv.org/content/10.1...
www.biorxiv.org/content/10.1...
Dear all, we are looking for a research assistant in protein biochemistry / cell biology to support our work on nuclear reshaping in human cells. Here the link to the call, please spread: mrc.tal.net/vx/mobile-0/...
Research Support Officer - Structural Studies - Dr Matteo Allegretti - LMB 2674 - Medical Research Council
Location: Cambridge. Vacancy: Research Support Officer - Structural Studies - Dr Matteo Allegretti - LMB 2674. Closing Date: 31/08/2025, 23:55
mrc.tal.net
August 1, 2025 at 11:48 AM
Dear all, we are looking for a research assistant in protein biochemistry / cell biology to support our work on nuclear reshaping in human cells. Here the link to the call, please spread: mrc.tal.net/vx/mobile-0/...
Reposted by Allegretti Lab
Using #cryoET to investigate plant cell-cell communication 🤩🌿
New preprint: In situ Architecture of #Plasmodesmata.
Using #cryoET, #AlphaFold & proteomics, we uncover the native organization of plant intercellular nanopores.
🔗 doi.org/10.1101/2025...
🧪🧵1/n
#teamtomo #PlantScience #Physcomitrium #Arabidopsis #cryoEM
Using #cryoET, #AlphaFold & proteomics, we uncover the native organization of plant intercellular nanopores.
🔗 doi.org/10.1101/2025...
🧪🧵1/n
#teamtomo #PlantScience #Physcomitrium #Arabidopsis #cryoEM
July 27, 2025 at 9:31 AM
Using #cryoET to investigate plant cell-cell communication 🤩🌿
Reposted by Allegretti Lab
Structure of the virulence-associated Neisseria meningitidis filamentous bacteriophage MDAphi
Out in @pnas.org
Congrats @janboehning.bsky.social @abultarafder.bsky.social Miles Graham @mathieucoureuil.bsky.social
@mrclmb.bsky.social @hopitalnecker.bsky.social
www.pnas.org/doi/10.1073/...
Out in @pnas.org
Congrats @janboehning.bsky.social @abultarafder.bsky.social Miles Graham @mathieucoureuil.bsky.social
@mrclmb.bsky.social @hopitalnecker.bsky.social
www.pnas.org/doi/10.1073/...
June 23, 2025 at 10:26 AM
Structure of the virulence-associated Neisseria meningitidis filamentous bacteriophage MDAphi
Out in @pnas.org
Congrats @janboehning.bsky.social @abultarafder.bsky.social Miles Graham @mathieucoureuil.bsky.social
@mrclmb.bsky.social @hopitalnecker.bsky.social
www.pnas.org/doi/10.1073/...
Out in @pnas.org
Congrats @janboehning.bsky.social @abultarafder.bsky.social Miles Graham @mathieucoureuil.bsky.social
@mrclmb.bsky.social @hopitalnecker.bsky.social
www.pnas.org/doi/10.1073/...
Reposted by Allegretti Lab
🚨 JOB ALERT 🚨
We're hiring a Research Assistant – no PhD needed!
Join us to explore the molecular mechanisms of receptor sorting in endosomes.
Experience in protein expression/purification, cloning & cell culture desired 🧫🔬
Apply now 👉 www.nature.com/naturecareer...
#STEMCareers #ResearchJobs
We're hiring a Research Assistant – no PhD needed!
Join us to explore the molecular mechanisms of receptor sorting in endosomes.
Experience in protein expression/purification, cloning & cell culture desired 🧫🔬
Apply now 👉 www.nature.com/naturecareer...
#STEMCareers #ResearchJobs
June 23, 2025 at 1:00 PM
🚨 JOB ALERT 🚨
We're hiring a Research Assistant – no PhD needed!
Join us to explore the molecular mechanisms of receptor sorting in endosomes.
Experience in protein expression/purification, cloning & cell culture desired 🧫🔬
Apply now 👉 www.nature.com/naturecareer...
#STEMCareers #ResearchJobs
We're hiring a Research Assistant – no PhD needed!
Join us to explore the molecular mechanisms of receptor sorting in endosomes.
Experience in protein expression/purification, cloning & cell culture desired 🧫🔬
Apply now 👉 www.nature.com/naturecareer...
#STEMCareers #ResearchJobs
Reposted by Allegretti Lab
Congratulations to @tbharat-lab.bsky.social, Group Leader in the LMB’s Structural Studies Division, who has received the Gold Medal from @embo.org for his research on prokaryotic surface molecules.
Read more here: www2.mrc-lmb.cam.ac.uk/tanmay-bhara...
#LMBNews
Read more here: www2.mrc-lmb.cam.ac.uk/tanmay-bhara...
#LMBNews
June 5, 2025 at 12:08 PM
Congratulations to @tbharat-lab.bsky.social, Group Leader in the LMB’s Structural Studies Division, who has received the Gold Medal from @embo.org for his research on prokaryotic surface molecules.
Read more here: www2.mrc-lmb.cam.ac.uk/tanmay-bhara...
#LMBNews
Read more here: www2.mrc-lmb.cam.ac.uk/tanmay-bhara...
#LMBNews
Reposted by Allegretti Lab
New paper from my group rdcu.be/eoaRr "Trinucleotide substrates under pH–freeze–thaw cycles enable open-ended exponential RNA replication by a polymerase ribozyme" in Nature Chemistry — great collaboration with attwaterlab.uk.
Trinucleotide substrates under pH–freeze–thaw cycles enable open-ended exponential RNA replication by a polymerase ribozyme
Nature Chemistry - Models of abiotic RNA replication suffer from inherent product inhibition arising from the high stability of RNA duplexes. Now, it has been shown that RNA trinucleotide...
rdcu.be
May 29, 2025 at 3:55 PM
New paper from my group rdcu.be/eoaRr "Trinucleotide substrates under pH–freeze–thaw cycles enable open-ended exponential RNA replication by a polymerase ribozyme" in Nature Chemistry — great collaboration with attwaterlab.uk.
Reposted by Allegretti Lab
“The Website” is here! It can be intimidating getting into analysis of #CryoET data, and software is evolving all the time👩💻🚀. @phaips.vd.st & @florentwaltz.bsky.social put our lab’s workflows into an online guide. We hope this helps lower the bar to joining #TeamTomo. Feedback much appreciated! 🧪🧶🧬🔬
Hey #TeamTomo,
Ever been in need of a tutorial about the fundamentals of cryo-electron tomography? From preprocessing raw frames to high-res subtomogram averaging?
That's why @florentwaltz.bsky.social and I made this website!
tomoguide.github.io
Follow the thread 1 /🧵
#CryoET #CryoEM 🔬🧪
Ever been in need of a tutorial about the fundamentals of cryo-electron tomography? From preprocessing raw frames to high-res subtomogram averaging?
That's why @florentwaltz.bsky.social and I made this website!
tomoguide.github.io
Follow the thread 1 /🧵
#CryoET #CryoEM 🔬🧪
Welcome to TomoGuide
A step-by-step Cryo-ET guide
tomoguide.github.io
May 7, 2025 at 10:56 AM
“The Website” is here! It can be intimidating getting into analysis of #CryoET data, and software is evolving all the time👩💻🚀. @phaips.vd.st & @florentwaltz.bsky.social put our lab’s workflows into an online guide. We hope this helps lower the bar to joining #TeamTomo. Feedback much appreciated! 🧪🧶🧬🔬
Reposted by Allegretti Lab
“Join the Pigino Lab! We’re hiring a PhD student to explore primary cilia biology using advanced imaging, spatial ‘omics, and AI. Apply now at www.cilia-ai.eu and be part of the Cilia-AI Doctoral Network!”
👀 Looking for a PhD position but you are torn between cilia biology and computational AI research? 😜
The Cilia-AI Doctoral Network has you covered! Lots of fantastic projects throughout Europe, also @humantechnopole.bsky.social with us or @gaiapigino.bsky.social - apply now! ‼️
www.cilia-ai.eu
The Cilia-AI Doctoral Network has you covered! Lots of fantastic projects throughout Europe, also @humantechnopole.bsky.social with us or @gaiapigino.bsky.social - apply now! ‼️
www.cilia-ai.eu
February 19, 2025 at 8:41 PM
“Join the Pigino Lab! We’re hiring a PhD student to explore primary cilia biology using advanced imaging, spatial ‘omics, and AI. Apply now at www.cilia-ai.eu and be part of the Cilia-AI Doctoral Network!”
Reposted by Allegretti Lab
Finally in peer-reviewed form: Mapping the ultrastructural topology of the corynebacterial cell surface. @bupbuse.bsky.social @vikramalva.bsky.social
Please also see concurrent beautiful work from @adriasogues.bsky.social and Han Remaut.
Please also see concurrent beautiful work from @adriasogues.bsky.social and Han Remaut.
The unique #CellEnvelope of #corynebacteria: @tbharat-lab.bsky.social &co map the C. glutamicum cell surface, revealing a patchy S-layer & specific assembly of the PS2 protein, thereby informing our understanding of cell envelopes that contain #MycolicAcids @plosbiology.org 🧪 plos.io/3Y6JNgw
April 23, 2025 at 2:07 PM
Finally in peer-reviewed form: Mapping the ultrastructural topology of the corynebacterial cell surface. @bupbuse.bsky.social @vikramalva.bsky.social
Please also see concurrent beautiful work from @adriasogues.bsky.social and Han Remaut.
Please also see concurrent beautiful work from @adriasogues.bsky.social and Han Remaut.
Reposted by Allegretti Lab
Excited to share our new preprint on co-transcriptional splicing! U1 snRNP is recruited to RNA polymerase II through multiple interaction sites, with elongation factor SPT6 binding directly to the U1 snRNP protein.
www.biorxiv.org/content/10.1...
#cryoEM #transcription #splicing
www.biorxiv.org/content/10.1...
#cryoEM #transcription #splicing
March 24, 2025 at 3:56 PM
Excited to share our new preprint on co-transcriptional splicing! U1 snRNP is recruited to RNA polymerase II through multiple interaction sites, with elongation factor SPT6 binding directly to the U1 snRNP protein.
www.biorxiv.org/content/10.1...
#cryoEM #transcription #splicing
www.biorxiv.org/content/10.1...
#cryoEM #transcription #splicing
Reposted by Allegretti Lab
Happy to share our manuscript on the in situ visualization of the copia retrotransposon in its final form today published in @cellcellpress.bsky.social www.cell.com/cell/fulltex.... What’s new?
March 5, 2025 at 4:02 PM
Happy to share our manuscript on the in situ visualization of the copia retrotransposon in its final form today published in @cellcellpress.bsky.social www.cell.com/cell/fulltex.... What’s new?
Reposted by Allegretti Lab
science.org/doi/10.1126/... Just published! We uncovered a molecular machine that connects the cell's two major structural networks revealing how cells accomplish precise internal reorganization - a process disrupted in diseases ranging from cancer to multiple sclerosis.
Active microtubule-actin cross-talk mediated by a nesprin-2G–kinesin complex
Nesprin-2 Giant links the nucleus to the cytoskeleton, enabling actin transport and nuclear movement through kinesin-1 activation.
science.org
February 21, 2025 at 8:35 PM
science.org/doi/10.1126/... Just published! We uncovered a molecular machine that connects the cell's two major structural networks revealing how cells accomplish precise internal reorganization - a process disrupted in diseases ranging from cancer to multiple sclerosis.
Reposted by Allegretti Lab
We have an exciting opportunity for a new independent group leader with an interest in structural/molecular biology and machine learning to join our Division of Structural Studies at the @mrclmb.bsky.social! 🥳
Re-posts appreciated.
www.nature.com/naturecareer...
Re-posts appreciated.
www.nature.com/naturecareer...
Research Group Leader Tenure Track - Structural Studies - LMB 2549 - Cambridgeshire job with MRC Laboratory of Molecular Biology | 12835196
Research Group Leader Tenure Track Starting Salary £65,940 to £74,448 per annum MRC Laboratory of Molecular Biology, Cambridge, UK
www.nature.com
January 27, 2025 at 9:38 AM
We have an exciting opportunity for a new independent group leader with an interest in structural/molecular biology and machine learning to join our Division of Structural Studies at the @mrclmb.bsky.social! 🥳
Re-posts appreciated.
www.nature.com/naturecareer...
Re-posts appreciated.
www.nature.com/naturecareer...
Ever wondered how the chemotherapeutic drug paclitaxel can target slow-dividing tumours? Check out our preprint Hale et al! @tom-hale.bsky.social found a novel non-mitotic mechanism of action for paclitaxel involving nuclear-cytoskeletal coupling via the LINC complex!
www.biorxiv.org/content/10.1...
www.biorxiv.org/content/10.1...
January 20, 2025 at 2:47 PM
Ever wondered how the chemotherapeutic drug paclitaxel can target slow-dividing tumours? Check out our preprint Hale et al! @tom-hale.bsky.social found a novel non-mitotic mechanism of action for paclitaxel involving nuclear-cytoskeletal coupling via the LINC complex!
www.biorxiv.org/content/10.1...
www.biorxiv.org/content/10.1...
Reposted by Allegretti Lab
Protein production for cryoEM structure determination just got a lot cheaper - high resolution structure from half a plate of HEK cells with the "MIcro ISolation (MISO)" microfluidics-based approach. Congrats to the Brunner and Efremov labs in Brussels! www.biorxiv.org/content/10.1...
January 16, 2025 at 10:57 PM
Protein production for cryoEM structure determination just got a lot cheaper - high resolution structure from half a plate of HEK cells with the "MIcro ISolation (MISO)" microfluidics-based approach. Congrats to the Brunner and Efremov labs in Brussels! www.biorxiv.org/content/10.1...
Reposted by Allegretti Lab
Towards community-driven visual proteomics! Excited to finally share this large-scale curated & annotated dataset of 1829 high-quality #cryoET tomograms of the little green alga that just keeps giving— Chlamydomonas! 🧪🧶🧬🌾🌊🌍
Preprint📜: www.biorxiv.org/content/10.1...
A short thread🧵👇
Preprint📜: www.biorxiv.org/content/10.1...
A short thread🧵👇
January 6, 2025 at 11:19 AM
Towards community-driven visual proteomics! Excited to finally share this large-scale curated & annotated dataset of 1829 high-quality #cryoET tomograms of the little green alga that just keeps giving— Chlamydomonas! 🧪🧶🧬🌾🌊🌍
Preprint📜: www.biorxiv.org/content/10.1...
A short thread🧵👇
Preprint📜: www.biorxiv.org/content/10.1...
A short thread🧵👇
Reposted by Allegretti Lab
Wonderful to see that our colleague @marta-shahbazi.bsky.social is now an EMBO YIP. www.embo.org/press-releas...
Twenty-seven scientists become EMBO Young Investigators – Press releases – EMBO
The group leaders join an international network of nearly 800 life scientists and receive financial support
www.embo.org
December 3, 2024 at 4:36 PM
Wonderful to see that our colleague @marta-shahbazi.bsky.social is now an EMBO YIP. www.embo.org/press-releas...