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Jonathan Jagodnik

@jagodnikscience.bsky.social
129 followers 173 following 44 posts

RNA! RNA, everywhere! (Same could be said about bacteria...) Research Associate at RNA control of gene expression lab, Microbial Gene Expression, IBPC - CNRS.

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Reposted by Jonathan Jagodnik
Dr. Serge Zaka @sergezaka.bsky.social · 29/09/2026
[FILM] La Batille climatique : déjà 1150 inscrits ! Il y a 2 ans, le réalisateur Adrien Bellay me proposait de tourner un film pour le cinéma, afin de raconter mon engagement face à la montée du climatoscepticisme et d'explorer les enjeux de l'adaptation de notre agriculture au changement climatique
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Dr. Serge Zaka @sergezaka.bsky.social · 05/08/2026
Cette carte est gravissime. Mais elle n'a pas fait la une de l'actualité. Pour moi, l'été 2026 marque un tournant. Après celui de 2022, il devient difficile de ne plus parler de "rupture écologique" ou de "point de non retour" pour une partie des milieux aquatiques français. 1/18
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Bon Pote @bonpote.com · 05/07/2026
Le cocktail explosif. La 3ème canicule arrive. Et cette fois-ci, sécheresse (historique) et feux se combinent à la chaleur. La canicule va frapper l’Europe de l’Ouest alors que nous ne sommes qu’en début d’été. Et les nouvelles ne sont pas bonnes. Un Thread :
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Jonathan Jagodnik @jagodnikscience.bsky.social · 03/04/2026
Congrats to my labmates for their beautiful work! They describe a new two-component system modulator, SamT, involved in enterobacterial acid stress response. Make sure to check out the awesome double-hybrid experiment!
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Jonathan Jagodnik @jagodnikscience.bsky.social · 13/02/2026
A polymerase ribozyme?! Welcome to the RNA world!
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Admirable Women @admirablewomen.bsky.social · 26/01/2026
Biochemist/molecular biologist Joan Steitz was born #OTD in 1941. She (& team) figured out how our cells read/use genetic instructions to make proteins. A key person who helped crack the code on RNA—the molecule that acts like a messenger between DNA & and the proteins our bodies need. #WomenInSTEM
Color photograph of Joan Steitz (Joan Argetsinger Steitz), the distinguished American molecular biologist and biochemist renowned for her groundbreaking discoveries in RNA biology, including the identification of small nuclear ribonucleoproteins (snRNPs) essential to RNA splicing. She is pictured in a close-up portrait within a laboratory or research setting, smiling warmly and directly at the camera with an engaging, approachable expression that conveys enthusiasm and expertise. Steitz has gray hair pulled back, striking blue eyes, and is wearing large, elaborate dangling earrings adorned with purple gemstones and metallic accents. She is dressed in a rich purple blouse. The softly blurred background includes scientific elements such as lab benches, equipment, monitors, charts, and partial signage, evoking the environment of her long career at Yale University where she served as Sterling Professor of Molecular Biophysics and Biochemistry. #JoanSteitz #MolecularBiology #WomenInScience #Biochemistry #RNA
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Boël Lab @boellab.bsky.social · 23/12/2025
Our latest paper on protein expression and mRNA stability is out! academic.oup.com/nar/article/... Check out how to increase your protein output with a simple trick. Congratulations to first author @Anna Lipońska, it was a great collaboration with the Aalberts group. #RNAsky #ribosome #EGM
academic.oup.com
Base composition at the start of the coding sequence controls the balance between translation initiation and mRNA degradation in E. coli
Abstract. Protein synthesis efficiency is highly dependent on the messenger RNA (mRNA) coding sequence. Furthermore, there is extensive evidence of a corre
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Molecular Microbiology @molmicrounihoh.bsky.social · 27/12/2025
🫳 Metastable folding of Bacillus subtilis glmS ribozyme modulates turnover by RNase J1: www.sciencedirect.com/science/arti... #subtiwiki
sciencedirect.com
Metastable folding of Bacillus subtilis glmS ribozyme modulates turnover by RNase J1
Rapid turnover of glmS mRNA in Bacillus subtilis by 5′-3’ exoribonuclease RNase J is essential for feedback regulation of glucosamine-6-phosphate (Glc…
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Boël Lab @boellab.bsky.social · 23/12/2025
In this study, we highlight the importance of the base composition of the first codons for protein expression. An increased abundance of adenine (A) and a decrease in guanine (G) enhance expression and improve mRNA stability. The mediator of this effect is the ribosome.
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PLOS Biology @plosbiology.org · 17/12/2025
Are authors fairly judged by assessing the #journals in which their work is published? @bihutchins.bsky.social &co reveal that most influential papers are published in lower tier journals, and more authors would be better recognized with #ArticleLevelMetrics #ALMs @plosbiology.org 🧪 plos.io/4oV58Ed
Standing on the shoulders of giants. Researchers (nodes) at early (red), mid (blue) and late (grey) career stage who have built on one another's work (edges). Large nodes are researchers whose work would not be recognized with journal level metrics but would be recognized with article level metrics. Credit: B. Ian Hutchins
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Jonathan Jagodnik @jagodnikscience.bsky.social · 15/12/2025
DusB links tRNA modification with oxydative stress response in V. cholerae! Congrats to @zeynepbaharoglu.bsky.social and colleagues!
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Sarah Svensson @campy-bara.bsky.social · 14/12/2025
RNA–RNA interactome approaches provide in vivo evidence for a critical role of the Hfq rim face in sRNA–mRNA pairing url: academic.oup.com/nar/article/...
academic.oup.com
RNA–RNA interactome approaches provide in vivo evidence for a critical role of the Hfq rim face in sRNA–mRNA pairing
Abstract. Most bacterial small regulatory RNAs (sRNAs) modulate gene expression by forming complementary base pairs with target messenger RNAs (mRNAs), dep
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Jonathan Jagodnik @jagodnikscience.bsky.social · 10/12/2025
An rRNA modification to adapt translation to anaerobic conditions!
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EMBO @embo.org · 10/12/2025
The EMBO Gold Medal 2025 was awarded to Tanmay Bharat and David Bikard: www.embo.org/press-releases/embo-go… 🧪 At #CellBio2025, the EMBO Gold Medal was handed over to David Bikard in recognition of his pioneering work on #GeneEditing.
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Jonathan Jagodnik @jagodnikscience.bsky.social · 07/12/2025
Exametabolomics!
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Helmholtz Institute Würzburg @helmholtz-hiri.bsky.social · 03/12/2025
Today, Minister-President Markus Söder awarded @jorg-vogel-lab.bsky.social the Bavarian Maximilian Order. Presented every two years, the award recognizes outstanding accomplishments in science & the arts and is regarded as one of the state’s highest honors. Congrats on the “Bavarian Nobel Prize”! 👏🎉
© Bayerische Staatskanzlei
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Jonathan Jagodnik @jagodnikscience.bsky.social · 19/11/2025
Very cool paper, studying mechanisms (and a toxin) targeting the ribosome, translation initiation and the use of Shine-Dalgarno motifs!
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Sheryl Gay Stolberg @sherylnyt.bsky.social · 11/10/2025
BREAKING: Friday night massacre underway at CDC. Doznes of "disease detectives," high-level scientists, entire Washington staff and editors of the MMWR (Morbidity and Mortality Weekly Report) have all been RIFed and received the following notice:
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Cascales Lab @cascaleslab.bsky.social · 09/10/2025
Open position to work on Type IX secretion (#T9SS) in our lab, in collaboration withe the group of Eric Reynolds at the Dental School of the University of Melbourne. Please spread the word, and forward to anyone potentially interested ! Apply here: emploi.cnrs.fr/Offres/Docto...
emploi.cnrs.fr
Portail Emploi CNRS - Offre d'emploi - Thèse en Microbiologie-Biochimie (H/F)
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Jörg Vogel @jorg-vogel-lab.bsky.social · 08/10/2025
Two group leader positions available in the broader areas of RNA science, RNA technologies, and RNA medicine. Attractive packages and a great environment. Come and join us at Helmholtz RNA Würzburg, Bavaria.
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Sofya Garushyants @garushyants.bsky.social · 15/09/2025
hey bluesky 👋 visa hurdles mean I’m looking for opportunities outside the US. I’m a computational biologist (bacterial + phage genomics, postdoc in Koonin’s group @ NIH). I am interested in teaming up on funding apps. reach out if this resonates!
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Collège des Sociétés savantes académiques de France @handle.invalid · 15/09/2025
Communiqué de presse : financement de la recherche publique : la communauté scientifique alerte sur un système à bout de souffle. #veilleESR, @info.gouv.fr @agencerecherche.bsky.social @cnrs.fr @franceuniversites.bsky.social @inserm.fr @inrae-france.bsky.social @enseignementsup-recherche.gouv.fr
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Jonathan Jagodnik @jagodnikscience.bsky.social · 10/09/2025
Congrats to @mlejars.bsky.social for this really cool publication! Tired of your somewhat easy life doing genetics in E.coli? Make it even way easier with Maxence's method!!
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Zeynep Baharoglu @zeynepbaharoglu.bsky.social · 06/09/2025
So excited our antibiotic potentiation story is out 🤩 Led by the extraordinary @manonlang.bsky.social with @fox-science.bsky.social & @amazeld.bsky.social +amazing collaborators @immunobladder.bsky.social @imaneelmeouche.bsky.social 🦠 We believe it can make a difference in #AMR infections!
science.org
Uridine as a potentiator of aminoglycosides through activation of carbohydrate transporters
Uridine boosts aminoglycoside treatment efficiency against antibiotic-susceptible as well as antibiotic-resistant E. coli strains.
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Anna Obenauf @obenaufa.bsky.social · 04/09/2025
Exciting FULL PROFESSORSHIP at the Vienna BioCenter - Molecular Mechanisms of Disease Mechanisms: www.maxperutzlabs.ac.at/news/open-po... Come be our colleague!
maxperutzlabs.ac.at
Full Professorship in Molecular Mechanisms of Disease
The Max Perutz Labs - one of Europe’s leading institutes for basic research in the life sciences - invite applications for a Full Professorship in Molecular Mechanisms of Disease. We are seeking outst...
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Jonathan Jagodnik @jagodnikscience.bsky.social · 04/09/2025
Many congrats to Ninon Christol from our Microbial Gene Expression research unit, IBPC CNRS, as well as to @maximiliankohl.bsky.social from IBMC at Univ. Strasbourg, for their amazing poster prizes!
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Jonathan Jagodnik @jagodnikscience.bsky.social · 01/09/2025
Happy to have presented my work at the #microbialRNAs meeting today, with a very active discussion and a beautiful session! Looking forward to more science in the next few days in Strasbourg.
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Daniel Durocher @durocher1.bsky.social · 28/08/2025
JOB ALERT 🚨 We are hiring TWO principal investigators in cell, molecular, systems, or chemical biology in Toronto, Canada at @sinaihealth.bsky.social. We provide a generous startup, fully funded salary and academic appointment at U of Toronto. www.nature.com/naturecareer... Please repost!
Image of Toronto
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Jonathan Jagodnik @jagodnikscience.bsky.social · 27/06/2025
Beautiful paper on translation start sites and extented SD motifs in Staph. aureus. www.biorxiv.org/content/10.1... Congrats to colleagues in Strasburg univ.!
biorxiv.org
Extended Shine-Dalgarno motifs govern translation initiation in Staphylococcus aureus
Regulation of translation initiation is central to bacterial adaptation, but species-specific mechanisms remain poorly understood. We present high-resolution mapping of translation start sites in S. a...
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Jonathan Jagodnik @jagodnikscience.bsky.social · 20/06/2025
What a fantastic achievement! Carine Tisné is rewarded the CNRS Silver medal for her structural studies of tRNA modification. We are very proud of her, at the Microbial Gene Expression research department, IBPC! www.insb.cnrs.fr/fr/personne/...
insb.cnrs.fr
Carine Tisné
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Jonathan Jagodnik @jagodnikscience.bsky.social · 06/06/2025
Check this out : the mechanism of Rae1 cleavage upstream of stalled ribosomes in B.subtilis!
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Zeynep Baharoglu @zeynepbaharoglu.bsky.social · 21/05/2025
Marie Curie fellowship, post-doc hosting oppotunity in my lab. MSCA Post-doctoral Fellowship at IBPC Paris on RNA modifications in bacteria (FRANCE) 🦠💫 euraxess.ec.europa.eu/jobs/hosting...
euraxess.ec.europa.eu
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J. David Jentsch 🏳️‍🌈 @jdavidjentsch.bsky.social · 31/05/2025
This is a devastating outcome for those who have spent their careers trying to stop HIV/AIDS and for all the activists who demanded the world take this work seriously.
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Molecular Cell @cp-molcell.bsky.social · 17/05/2025
Ribosomes modulate transcriptome abundance via generalized frameshift and out-of-frame mRNA decay
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Ribosomes modulate transcriptome abundance via generalized frameshift and out-of-frame mRNA decay
Zhang et al. identify a regulatory mechanism for how cells adapt to nutrient scarcity through widespread −1 ribosomal frameshifts, culminating in accelerated mRNA decay. This process, dependent on codon optimality and conserved across species, establishes direct feedback coupling the translation of new proteins with the stability of the mRNA that encodes for them.
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Jonathan Jagodnik @jagodnikscience.bsky.social · 16/05/2025
Groundbreaking?
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Liam Faller @liamfaller.bsky.social · 08/05/2025
New paper from the lab! Want to know if there is a difference in ribosome collisions between your samples? We show that you can detect this in the rRNA reads in your ribosome profiling data. academic.oup.com/nargab/artic...
academic.oup.com
Detecting ribosome collisions with differential rRNA fragment analysis in ribosome profiling data
Abstract. It has become clear in recent years that ribosomes regularly stall during translation. Such translation impairment has many causes, including exp
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bioRxiv Microbiology @biorxiv-microbiol.bsky.social · 07/05/2025
Swarm-seq Reveals Functional Divergence in CsrA Homologs Across Bacteria. www.biorxiv.org/content/10.1101/202…
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RNA & Ribosome Homeostasis Lab @École Polytechnique / @CNRS @aribio.bsky.social · 05/05/2025
Bonjour, un poste d´IE (biochimie/BM) en mobilité interne (NOEMI) est disponible au Laboratoire de Biologie Structurale de la Cellule (bioc.ip-paris.fr), École polytechnique, Palaiseau. Rejoignez-nous!!! emploi.cnrs.fr/Offres/MOBIN... Merci de faire circuler l´information!
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Di Jiang @dijiang319.bsky.social · 02/05/2025
🧬🧫🦠 @science.org Bacterial reverse transcriptase synthesizes long poly-A–rich cDNA for antiphage defense | Science www.science.org/doi/10.1126/... #microbiology #bacteriophage #antiphage #immunity #DNA #RNAsky #RT #Cryo-EM #DRT9
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Sebastian S. Cocioba @atinygreencell.bsky.social · 02/05/2025
I got hit by some rather sudden and extreme financial hardship so if anyone is in need of remote wetlab contract research, strictly BSL1, do let me know. Currently scrambling for gigs. Plant, Bacterial, Archaeal Non-model Bioeng Custom Lab Hardware Turn Key Genetic Design Please repost for reach 💚
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Tom Ellis @proftomellis.bsky.social · 02/05/2025
My dept in London at Imperial (Bioengineering) is recruiting a group leader at Professor level 🧑‍🎓 Please RT. It's a great place with world-class expertise in all sorts of biomedical & biological engineering topics like synthetic biology. It's also not in the USA. www.imperial.ac.uk/jobs/search-...
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Jonathan Jagodnik @jagodnikscience.bsky.social · 25/04/2025
Compartments made of RNA-CsrA 😯
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Jonathan Jagodnik @jagodnikscience.bsky.social · 17/04/2025
Cool work from the @jonathandworkin.bsky.social lab : new riboswitch-based in vivo (p)ppGpp reporter systems for Bacillus subtilis!
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Heather Feaga @heatherfeaga.bsky.social · 13/04/2025
Latest work from the lab - we identify a translation factor, YebC2, that reduces ribosome stalling in B. subtilis! Congrats to co-first authors: grad students Hye-Rim Hong & Cassidy Prince & undergrad Dennis Wu @denniswu02.bsky.social journals.plos.org/plosgenetics...
journals.plos.org
YebC2 resolves ribosome stalling and increases fitness of cells lacking EF-P and the ABCF ATPase YfmR
Author summary Polyproline motifs are essential structural features of many proteins but are difficult for the ribosome to synthesize. EF-P reduces ribosome pausing at polyproline motifs. Here, we sho...
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Jonathan Jagodnik @jagodnikscience.bsky.social · 11/04/2025
RiboSeq during branched chained amino acid resistance!
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Westermann Lab @westermannlab.bsky.social · 10/04/2025
Some say, important sRNAs can be recognized by having their own “sponge” 🧽. Well, here comes InvS: a sponge of PinT (and vice versa). Congrats to @kooshapour.bsky.social and @ginlaca.bsky.social on their great work! doi.org/10.1101/2025...
doi.org
Intramacrophage RIL-seq uncovers an RNA antagonist of the Salmonella virulence-associated small RNA PinT
Salmonella virulence chiefly relies upon two major pathogenicity islands, SPI-1 and SPI-2, which enable host cell invasion and intracellular survival, respectively. There has been increasing evidence ...
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Zeynep Baharoglu @zeynepbaharoglu.bsky.social · 10/04/2025
Streptomycin targets tumor cells via an impact on ROS production www.sciencedirect.com/science/arti...
sciencedirect.com
Streptomycin targets tumor-initiating cells by disrupting oxidative phosphorylation
Tumor initiating cells (TICs) are the roots of current shortcomings in advanced and metastatic cancer treatment. Endowed with self-renewal and multi-l…
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Jonathan Jagodnik @jagodnikscience.bsky.social · 09/04/2025
A new RIL-seq experiment, now to study host-pathigen interactions! Congrats to the @westermannlab.bsky.social and colleagues!
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asaki-kobayashi.bsky.social @asaki-kobayashi.bsky.social · 06/04/2025
I am glad to share our detailed super resolution imaging protocol for single particle tracking in human cell. doi.org/10.1101/2025...
doi.org
A guide for Single Particle Tracking: from sample preparation and image acquisition to the analysis of individual trajectories
Live-cell Single-Particle Tracking (SPT) is a powerful super resolution microscopy approach. It allows us to observe live recordings of individual molecules in living cells at high temporal and spatia...
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