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Pawel Wydorski

@pwydorski.bsky.social
203 followers 290 following 67 posts

Postdoc, ribosome novice. Previously: IDPs, chaperones, neurodegenerative diseases. Opinions are my own. he/him

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Reposted by Pawel Wydorski
Anna Vlasits @annaintegrated.bsky.social · 05/10/2026
Related to the #NobelPrize in #Optogenetics: I'm reflecting on the question "who invented X?" in science. 10 years ago I wrote about the people who were working on optogenetics, the patent debates and the role of race and prestige. I don't know the answer, but... www.statnews.com/2016/09/01/o...
statnews.com
He may have invented one of neuroscience’s biggest advances. But you’ve never heard of him
The saga of Zhuo-Hua Pan, perhaps the rightful inventor of optogenetics, raises the question of what it means to invent something in science.
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Robert Arkowitz @robertarkowitz.bsky.social · 27/09/2026
www.nature.com/articles/s41...
nature.com
Halting translation by the letter with sequence-selective small molecules - Nature Chemical Biology
Small-molecule modulators of protein synthesis are invaluable tools for dissecting the translation apparatus. This Review summarizes the mechanisms of molecules that disrupt translation in an amino ac...
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Adrian M. Owen, OBE, FRS @comadork.bsky.social · 24/09/2026
No one else was saying it, so I did. What do the real data say about all these new anti-Alzheimer's drugs you've been reading about? It's the conversation the Alzheimer's field isn't having. @creyos rdcu.be/2b4e2q9rLPUa
rdcu.be
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Jeff Coller @jmcoller.bsky.social · 22/07/2026
New from my lab - Congrats to Dr. Suhee Chang. Nascent chain folding status modulates ribosome dynamics and mRNA stability through the ribosome-associated chaperone Zuo1: Molecular Cell www.cell.com/molecular-ce...
cell.com
Nascent chain folding status modulates ribosome dynamics and mRNA stability through the ribosome-associated chaperone Zuo1
Chang et al. show that co-translational protein misfolding feeds back to ribosomes, slowing translation elongation and triggering mRNA decay. The ribosome-associated chaperone Zuo1 mediates this respo...
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Simon Bayly @simonbayly.bsky.social · 21/09/2026
RNA clumps together if you don't design it correctly www.pnas.org/doi/10.1073/...
pnas.org
Maintaining transcriptome solubility constrains mRNA sequence composition | PNAS
RNA is built from a four-nucleotide alphabet. Complementary sequences inevitably arise, creating pervasive opportunities for promiscuous RNA–RNA in...
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Jon Douglas @atranscendedman.bsky.social · 18/09/2026
Goethe University Frankfurt. SARS-CoV-2 frameshifting caused ribosome collisions that activated GCN2, suppressing host protein production and promoting viral replication in cells and human airway organoids. www.cell.com/cell/fulltex...
cell.com
Programmed ribosomal frameshifting triggers translational stress to promote viral replication
Viruses such as SARS-CoV-2 can use programmed ribosomal frameshifting to turn off host translation and promote viral replication, expanding the known uses of programmed ribosomal frameshifting by viru...
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Akos Nyerges @akosnyerges.bsky.social · 19/09/2026
Proud and excited to share our first preprint 🚀 in which we • create a high-fitness firewalled organism, • that stably colonizes the mouse gut for >100 days, • resists all tested phages in the gut, • and blocks horizontal gene transfer. + A new method: Chimera genomes to tailor existing synthetic
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Martin Steinegger 🇺🇦 @martinsteinegger.bsky.social · 30/08/2026
Run AlphaFold2 locally in your browser via WebGPU, no installation needed, it's just a static webpage using your own GPU or CPU. Short proteins run in seconds. Larger ones are still slow: a 291-aa protein takes ~7 minutes on my M4 Pro. ❗It's just a PoC. 🌐 martin-steinegger.github.io/alphafold2-w...
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Sebastian Baumgarten @sebbaumgarten.bsky.social · 19/08/2026
The singular job of all known ribosomes: synthesizing protein. Enter the malaria parasite. In our new work, we show that Plasmodium evolved an entire new kind that does just the opposite - inhibit mRNA translation. www.biorxiv.org/content/10.6...
biorxiv.org
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Pawel Wydorski @pwydorski.bsky.social · 26/08/2026
"Among 1712 NFL players who died, 338 (19.7%) players’ brains were studied, 315 (93.2%) of whom had a diagnosis of CTE" www.bmj.com/content/394/...
bmj.com
Prevalence of chronic traumatic encephalopathy at death in National Football League players: retrospective population based cohort study, 2008-21
Objectives To determine the range of possible prevalences of chronic traumatic encephalopathy (CTE) at death among National Football League (NFL) players and examine the association between CTE severi...
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Mark Baxter 🏳️‍🌈🧂 @markgbaxter.bsky.social · 25/08/2026
If you play football, you will get CTE www.bmj.com/content/394/...
bmj.com
Prevalence of chronic traumatic encephalopathy at death in National Football League players: retrospective population based cohort study, 2008-21
Objectives To determine the range of possible prevalences of chronic traumatic encephalopathy (CTE) at death among National Football League (NFL) players and examine the association between CTE severi...
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Tobias Warnecke @tobiaswarnecke.bsky.social · 22/08/2026
Who needs chromatin anyway...? NOT THIS GUY! www.biorxiv.org/content/10.6... 1/n
biorxiv.org
Chromatin is dispensable for bacterial life
Inside cells, DNA is intimately associated with proteins, forming chromatin. The protein constituents of chromatin vary across the tree of life: histones are the principal building blocks of chromatin...
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The Journal of Immunology @jimmunol.bsky.social · 08/08/2026
Researchers identified bacterial-specific transfer-messenger RNA (tmRNA), a conserved RNA involved in ribosome rescue during bacterial translation, as a previously unrecognized PAMP as it induced production of IL-6, TNF-α, and IFN-α in murine models. 🔗 ow.ly/rrf550ZvW4S
tmRNA induces the expression of proinflammatory cytokines through the TLR7 MyD88 pathway. (A–C) Flt3L-derived DCs (Flt-DCs) from TLR7 WT and KO mice were left untreated (ctrl) or stimulated for 24 hours with tmRNA plus CLs. The production of IFN-α (A), TNF-α (B), and IL-6 (C) was measured by ELISA. (D–F) Flt-DCs from MyD88 WT and KO mice were treated as described above, and the production of IFN-α (D), TNF-α (E), and IL-6 (F) was measured by ELISA. Data are shown as the mean ± SD of 3 independent experiments (n = 3). Each dot represents an independent experiment. Statistical significance was determined using Welch’s t-test. *P < 0.05, **P < 0.01 vs ctrl within each genotype; #P < 0.05, ##P < 0.01 vs WT under the same stimulation conditions.
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Nicholas Bellono @nbellono.bsky.social · 09/07/2026
How did octopuses evolve novel traits? Rishav Mitra, Richard Han, Trey Scott, et al serendipitously discover a unique ribosome adaptation that increases the accuracy of protein synthesis and evolved alongside their elaborate nervous systems vs deep sea relatives. www.biorxiv.org/content/10.6...
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Zeynep Baharoglu @zeynepbaharoglu.bsky.social · 07/07/2026
Defective queuosine and i6A/ms2i6A modification of tRNATyr cause frameshifting and protein aggregation #RNAsky in 🦠E. coli and S. pombe academic.oup.com/nar/article/...
academic.oup.com
Defective queuosine and i6A/ms2i6A modification of tRNATyr cause frameshifting and protein aggregation
Abstract. Queuosine (Q) modification at the wobble position (Q34) of tRNAs fine-tunes translational speed but is not essential for viability, leaving its p
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Kresten Lindorff-Larsen @lindorfflarsen.bsky.social · 06/07/2026
In this analysis, papers that have not been posted as a preprints were retracted about twice as often as preprinted papers that were also published in a journal (19 vs 8 pr 10.000 papers). [though the authors note that there may be confounders]
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Amir Bitran @amirbitran.bsky.social · 05/07/2026
I am delighted to share that my newest manuscript and the first of my postdoc in the Marqusee and Bustamante labs, “A detailed molecular picture of protein folding during active translation”, is now on the BioRXiv! (1/n) www.biorxiv.org/content/10.6...
biorxiv.org
A detailed molecular picture of protein folding during active translation
All proteins can begin to fold on the ribosome, and many proteins critically rely on co-translational folding to attain their native conformation. The molecular details underlying this crucial process...
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Mehmet Gül @mehmetguel.bsky.social · 03/07/2026
My first first-author PhD paper is now out in Nature Communications! We present high-resolution cryo-EM structures of the naked mole-rat 80S ribosome, revealing how the unusual split in the 28S rRNA is stabilized while preserving a canonical ribosome architecture. www.nature.com/articles/s41...
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bioRxiv Neuroscience @biorxiv-neursci.bsky.social · 01/07/2026
Headbutting goats self-inflict traumatic brain injury www.biorxiv.org/content/10.64898/20…
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De-Sheng Ker @kerds.bsky.social · 30/06/2026
We solved a high resolution structure of the nucleosome core particle directly from nuclear extract from a single T25 flask (3 mL culture). No affinity purification. No sucrose gradients. Just lysate on grids. Raw data available now for anyone who wants to reprocess. www.biorxiv.org/content/10.6...
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Herstidine @bongvalbong.bsky.social · 25/06/2026
The goose from Untitled Goose Game with a knife. Text reads Colossal Biosciences presents... a Velociraptor
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Nikolai Slavov @slavov-n.bsky.social · 24/06/2026
These proteins are not rare translation byproducts. They accumulate to thousands of copies per cell. Some are more abundant than the proteins predicted by the genetic code from the same transcripts.
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Nikolai Slavov @slavov-n.bsky.social · 24/06/2026
Across >1,000 human samples, we identified numerous abundant proteins whose amino acid sequences differ from those predicted by the genetic code. 🔗 Links: Nature Article: nature.com/articles/s41... OA version: biorxiv.org/content/10.1... Science highlight: science.org/content/blog...
nature.com
Alternate RNA decoding results in stable and abundant proteins in mammals - Nature
Alternate RNA decoding, an understudied process, leads to peptide sequence&nbsp;modifications that can&nbsp;have substantial functional effects on protein stability, tissue-specific proteomes and dise...
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Pawel Wydorski @pwydorski.bsky.social · 16/06/2026
"Structural adaptations for enhanced translation kinetics in evolved ribosomes" www.biorxiv.org/content/10.6...
biorxiv.org
Structural adaptations for enhanced translation kinetics in evolved ribosomes
The ribosomal RNA sequence governs translation dynamics, yet understanding how changes beyond the conserved catalytic centers influence kinetics and protein yield remains limited. Using orthogonal rib...
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Reposted by Pawel Wydorski
Sophien Kamoun @kamounlab.bsky.social · 03/06/2026
#ScienceCrisis Hero @sholtodavid.bsky.social
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Reese Richardson @reeserichardson.bsky.social · 28/05/2026
TL;DR: We've identified more than 100 cases of apparent manipulation in Thermo Fisher Scientific's antibody verification data. @sholtodavid.bsky.social @johanduchene.bsky.social reeserichardson.blog/2026/05/28/h...
reeserichardson.blog
How much of Thermo Fisher’s antibody data has been manipulated?
We’ve documented more than 100 instances of apparent data manipulation in Thermo’s catalog
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Marvin Tanenbaum @marvintanenbaum.bsky.social · 13/05/2026
For 40 years the 8-nt ‘Kozak Sequence’ was thought to mark sites of translation initiation. In a new study, we revise this model by identifying an ~80-nt sequence—the extended Translation Initiation Sequence (eTIS)— that guides ribosomes to correct start sites. 🧵 www.biorxiv.org/content/10.6...
biorxiv.org
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Pawel Wydorski @pwydorski.bsky.social · 01/05/2026
Keynote speakers incorrectly saying the name of the hosting institution are the concert artists confusing the name of city they are playing in 😬
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Mie Monti @miemonti.bsky.social · 24/04/2026
Beautiful new work from the #AnaSoares lab on the active role of tRNAs and their modifications during viral infection. More and more evidence points to the tRNA world as a regulatory layer in translation! Congratulations to all involved, preprint below👇 www.biorxiv.org/content/10.6...
biorxiv.org
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David Balchin @davidbalchin.bsky.social · 22/04/2026
New from our lab @crick.ac.uk. Nascent proteins emerge from the human ribosome into a cytosol packed with hundreds of different molecular chaperones. Which chaperones recognise specific nascent chains, and what dictates their binding preferences? www.biorxiv.org/content/10.6...
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c0nc0rdance @c0nc0rdance.bsky.social · 08/04/2026
This tweet is all of us.
2022 Tweet from Caroline Keroack:  "I have a whole PhD I whisper to myself, as I write C1V1 = C2V2 on a paper towel for the 8000th time."
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Pawel Wydorski @pwydorski.bsky.social · 08/04/2026
is there anything that J-domain proteins can't do? 🙄🙄🙄 DnaJB6 found here:
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Mathieu M.J.E. Rebeaud @chercheurjuteux.com · 25/03/2026
Tiens un papier intéressant sur les diètes végétales (végétarien et végétalien): Vegetarian and vegan diets and cancer incidence: a systematic review and meta-analysis of prospective studies link.springer.com/article/10.1...
link.springer.com
Vegetarian and vegan diets and cancer incidence: a systematic review and meta-analysis of prospective studies - European Journal of Epidemiology
Several studies have suggested that vegetarian and vegan vs. non-vegetarian diets are associated with lower cancer risk overall, however, results for specific cancer sites have been less consistent. W...
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Pawel Wydorski @pwydorski.bsky.social · 12/03/2026
hmm pitchfork.com/news/morriss...
pitchfork.com
Morrissey Cancels Show Because He Is Sleepy
The singer claims his night at an Italian hotel was “indescribable hell”
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Pawel Wydorski @pwydorski.bsky.social · 09/03/2026
this is real: www.nature.com/articles/s41...
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Jeremy Baskin @jeremybaskin.bsky.social · 15/02/2026
And save >80% on the cost by pooling 6 or more plasmids into a single sample using our free SAVEMONEY algorithm! elifesciences.org/articles/88794 colab.research.google.com/github/Masaa...
elifesciences.org
Barcode-free multiplex plasmid sequencing using Bayesian analysis and nanopore sequencing
SAVEMONEY is a computational tool that guides users to mix plasmids prior to nanopore sequencing, reducing the effective cost of whole-plasmid sequencing to below that of Sanger sequencing.
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Edoardo Gianni @edogia.bsky.social · 13/02/2026
How could a simple self-replicating system emerge at the origins of life? RNA polymerase ribozymes can replicate RNA, but existing ones are so large that their self-replication seems impossible. Could they be smaller? Excited to share our latest work in @science.org on a new small polymerase. 1/n
science.org
A small polymerase ribozyme that can synthesize itself and its complementary strand
The emergence of a chemical system capable of self-replication and evolution is a critical event in the origin of life. RNA polymerase ribozymes can replicate RNA, but their large size and structural ...
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Jeremy Berg @jeremymberg.bsky.social · 06/01/2026
SNAC acts by buffering conditions around the pill to prevent pepsinogen activation and peptide digestion. It also aids GLP-1 absorption. www.biochempeg.com/article/370.... 4/5
biochempeg.com
What is SNAC in oral semaglutide? | Biopharma PEG
Peptidesandproteinsplayanincreasinglyimportantroleinthetreatmentofmanydiseases,...
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Pawel Wydorski @pwydorski.bsky.social · 07/01/2026
👀
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Oli Clarke @olibclarke.bsky.social · 18/12/2025
very unusual - a tRNA regulated anion channel
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Yamuna Krishnan @krishnanyamuna.bsky.social · 17/12/2025
Organelles do NOT have a single uniform pH. And if you think they must, because “protons diffuse fast,” this paper is for you. A thread on why that assumption is wrong; and what we found instead. 🧵 1/n
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Katharina Geißler @kgeissler.bsky.social · 16/12/2025
It’s out! Using cryo-ET in Dicty cells, we take a fresh in situ look at vaults. Surprisingly, we uncover vaults associated with ER and NE membranes, and find that many vaults enclose ribosomes in defined orientations, opening new avenues to their cellular function! www.biorxiv.org/lookup/conte...
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Paolo De Los Rios @paolodelosrios.bsky.social · 15/12/2025
Cool work by Satyam and Subhasis! They show how to purify native-like TDP-43 while respecting all the safety rules that could limit the kind of instruments and procedures that can be used. A lot of small gems hidden in it, by the way. www.biorxiv.org/content/10.6...
biorxiv.org
Native, full-length, refolding-assisted purification of TDP-43 compatible with BSL-2 safety regulations
TAR DNA-binding protein 43 (TDP-43) is a prion-like RNA-binding protein that plays a key role in amyotrophic lateral sclerosis and frontotemporal dementia. Producing full-length TDP-43 consistently is...
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lizardbreath 🦎🪦🎃 @spindlypete.bsky.social · 13/12/2025
my parents have absolutely no idea who sufjan stevens is because they're like 100 years old but they've heard his christmas album in years past because i've put it on and this year they actually requested it from the public library and have it checked out as a five CD set lol
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Pawel Wydorski @pwydorski.bsky.social · 05/12/2025
Sofia Bali's work on modulating tau aggregation by engineering isoform-guided tau variants is now available in its final form! Congratulations to Sofia on huge amount of work, and I'm happy to be able to have my little contribution. www.cell.com/structure/fu...
cell.com
Amyloid-motif-dependent tau self-assembly is modulated by isoform sequence context
Bali et al. found that substitutions near tau’s conserved PGGG β-turn modulate its structure to suppress aggregation while preserving function. Guided by computational, NMR, and XL-MS analyses, the au...
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Andrea Musacchio @andrea-musacchio.bsky.social · 19/11/2025
Why LLPS Scaffolds Cannot Exist – A Thermodynamic Thread If you consider arguments logical, please share. Else please expose logical faults 🧵👇
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Andrea Musacchio @andrea-musacchio.bsky.social · 17/11/2025
The review by Banani, Lee, Hyman & Rosen (NRMCB 2017) www.nature.com/articles/nrm... on biomolecular condensates has >6000 citations. It… 1. Introduced a broad definition of “biomolecular condensates,” promoting acceptance that a unifying mechanism may underlie all membrane-less compartments.
nature.com
Biomolecular condensates: organizers of cellular biochemistry - Nature Reviews Molecular Cell Biology
In addition to membrane-bound organelles, eukaryotic cells feature various membraneless compartments, including the centrosome, the nucleolus and various granules. Many of these compartments form thro...
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Mathieu M.J.E. Rebeaud @chercheurjuteux.com · 21/10/2025
Conserved intrinsically disordered region of DNAJB6 dictates its surveillance of FG-Nup condensates I've been lucky enough to work on this paper of Tessa and Maiara in Veenhoff and Kampinga's lab. www.biorxiv.org/content/10.1...
biorxiv.org
Conserved intrinsically disordered region of DNAJB6 dictates its surveillance of FG-Nup condensates
Molecular chaperones can prevent protein aggregation and assist proteins in reaching their structurally functional state. The molecular chaperone DNAJB6, a J-domain protein that partners with Hsp70s a...
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Pawel Wydorski @pwydorski.bsky.social · 15/10/2025
*chef's kiss*
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Josh Mendell @mendell-lab.bsky.social · 14/10/2025
Colliding ribosomes are potent signals of cellular stress. But do cells use ‘programmed’ ribosome collisions to regulate gene expression? I’m excited to present a new story from my lab led by Frederick Rehfeld(@fred-rehfeld.bsky.social) which revealed that the answer is YES! Read on to find out how👇
biorxiv.org
Oxidative stress sensing by the translation elongation machinery promotes production of detoxifying selenoproteins
Selenocysteine, incorporated into polypeptides at recoded termination codons, plays an essential role in redox biology. Using GPX1 and GPX4, selenoenzymes that mitigate oxidative stress, as reporters,...
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