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Leopard-EM: An extensible 2DTM package to accelerate in situ structural biology The ability to generate high-resolution views of cells with cryogenic electron microscopy (cryo-EM) can reveal the molecular mechanisms of biological processes in their native cellular context. The re...

First pre-print from the Lucas Lab led by Matthew Giammar and @joshdcryoem.bsky.social online today! We develop a new, extensible Python implementation of 2DTM and apply it to build pixel size optimization, constrained search and characterize molecular motions in situ www.biorxiv.org/content/10.1...

Fascinating! Congratulations!

The prokaryotic origins of the COMMD protein family involved in eukaryotic membrane trafficking The ten eukaryotic COMMD proteins are core components of the Commander complex, with central roles in endosomal membrane trafficking and signalling. Each protein has an α-helical N-terminal (HN) domai...

🧵In collaboration with Caroline Puente-Lelievre, Ed Moody, Rosie Cater, and Tom Williams we just submitted a new paper describing the prokaryotic origins of the COMMD protein family. @cpuentelelievre.bsky.social‬, ‪@rosemaryjcater.bsky.social‬. @kmichie.bsky.social‬. 1/n

Selective ubiquitination of drug-like small molecules by the ubiquitin ligase HUWE1 Nature Communications - Ubiquitination is a versatile modification system in eukaryotic cells. Here, the authors unveil that the ubiquitin ligase HUWE1 can modify drug-like small-molecule...

Delighted to share our work on cellular ubiquitination of drug-like compounds by HUWE1 - a surprising journey! Kudos to all contributors & first authors, Barbara Orth and Pavel Pohl. Sincere thanks to @ireserra.bsky.social ‬ #NatCommun for expertly guiding the winding publishing path.
rdcu.be/eDzPk

Close to magic membrane perturbation experiments to understand the ER to Golgi export.

Building things with extensibility in mind is a true catalyst for innovation - beautifully demonstrated, I'm excited to see where 2DTM for in situ structural biology goes from here! congratulations to Matthew, @joshdcryoem.bsky.social, Laina and @bronwynalucas.bsky.social on this amazing work 🥳

CHIP protects lysosomes from CLN4 mutant-induced membrane damage Nature Cell Biology - Lee et al. use an aggregation-prone CLN4 mutant that causes lysosomal damage in neurons and show that in non-neurons, the ubiquitin ligase CHIP prevents CLN4-dependent...

Happy to share an exciting study from Yihong Ye’s lab at NIH, with a minor contribution from our lab: ceroid lipofuscinosis-4 (CLN4)-linked DNAJC5 mutations cause lysosomal damage as a driver of neurodegeneration in iPSC-derived neurons. CHIP safeguards lysosomes via microautophagy 👉 rdcu.be/eChof

PhD student in cryo-ET of membrane trafficking at MPI-NAT in Göttingen, DE Post a job in 3min, or find thousands of job offers like this one at jobRxiv!

One week left to apply for a fully funded PhD position in my group! Please repost. jobrxiv.org/job/max-plan...

Textbook worth study of intracellular lipid transport.

Optical Control of Membrane Viscosity Modulates ER-to-Golgi Trafficking The lipid composition of cellular membranes is highly dynamic and undergoes continuous remodeling, affecting the biophysical properties critical to biological function. Here, we introduce an optical a...

Excited to share our new @pubs.acs.org paper! We engineered cells with ~10% photolipids in the ER membrane. This enabled optical control of membrane viscosity to study its impact on ER→Golgi protein transport. @dirktrauner.bsky.social @noemijimenezrojo.bsky.social

pubs.acs.org/doi/10.1021/...

It's a true superpower when things just work. Get a proper feel for it when setting up my group IT resources 😂

Congrats Emily. Well deserved!

Postdoc program at the MDC in Berlin, @mdc-berlin.bsky.social : take a look 👇👇

For this call, collaborative projects between two groups will be funded. Take a look at the call and the groups and drop me an email if interested. Share with colleagues too!

www.mdc-berlin.de/postdocs#t-g...

Multi-scale Molecular Imaging of Human Cells reveals COPI and COPII Vesicles at ER Exit Sites Trafficking from the endoplasmic reticulum to the Golgi apparatus comprises the first steps toward the correct localization of 30% of eukaryotic proteins. Coat protein complexes COPII and COPI are inv...

Go check out the latest preprint from Giulia Zanetti's lab. @dr-downes.bsky.social used cryo-tomography to directly visualize COPI and COPII coated vesicles in situ at unprecedented resolution in human cells. Amazingly beautiful, rigorous, insightful work.
www.biorxiv.org/content/10.1...

It’s incredibly hard to study lipids in biological membranes on the nanoscale. You need near-perfect information on both membrane ultrastructure and lipid density, which usually isn’t attainable. Lipid-CLEM brought to you by @mathilda95.bsky.social changes that.
www.biorxiv.org/content/10.1...

Hybrid endosomal coats containing different classes of sorting nexins Endosomes are protein sorting stations where multiple coats form tubulovesicular carriers exporting proteins to the Golgi, the plasma membrane, or endo-lysosomal compartments. Distinct classes of sort...

www.biorxiv.org/content/10.1...

Our work on HIV-1 matrix, led by James Stacey and @dhrebik.bsky.social, is in this week's @nature.com. Extended explanatory video from @margotriggi.bsky.social.

www.nature.com/articles/s41...