Reposted by Sébastien PfefferNobel Prize @nobelprize.org · 05/10/2026BREAKING NEWS The 2026 Nobel Prize in Physiology or Medicine has been awarded to Karl Deisseroth, Peter Hegemann and Georg Nagel “for their discoveries concerning light-gated ion channels and optogenetics.” 241076515
Reposted by Sébastien PfefferLucie Etienne @lucievirevolte.bsky.social · 31/08/2026Insights into longevity & virus-driven adaptation from Myotis bat genomes International & fantastic collab. with @psudmant.bsky.social @denard.bsky.social Labs ! Major credit to the 2 leading scientists: Juan Vazquez & @lauterbur.bsky.social now with their own labs! You 2 rock! (1/n)nature.comInsights into longevity and virus-driven adaptation from Myotis bat genomes - NatureComparative and functional analyses of Myotis bats uncover unique patterns of adaptation in virus-interacting proteins and longevity-associated pathways, linking two hallmarks of bat biology. 22813
Reposted by Sébastien PfefferCraig Kaplan @triggerloop.bsky.social · 28/08/2026Sad times for US Science 098
Reposted by Sébastien PfefferJohn Gibbons 🇵🇸 🇺🇦 🇪🇺 @thinkorswim.bsky.social · 24/06/2026The top frame is from 2015, when French meteorologists did a “forecast” from a #climate heated August 2050 - a warning on what could possibly happen in 35 years time. Bottom frame: well, it’s happened in barely a decade, only it’s already *much* worse than predicted. It’s a runaway train. 511487649
Reposted by Sébastien PfefferJeff Coller @jmcoller.bsky.social · 24/06/2026Ten months ago I had never written an op-ed. I believed the work spoke for itself. It doesn't. When the government calls a lifesaving technology unsafe and scientists stay silent, the silence becomes the story. A new @jhu.edu profile on why I stopped staying quiet: hub.jhu.edu/2026/06/24/j...hub.jhu.eduA staunch voice in support of scienceJeff Coller, a pioneering RNA biologist, has spent the past year vehemently advocating for the lifesaving promise of research in the face of federal cuts 15829
Reposted by Sébastien PfefferChristine Mayr @christinemayr.bsky.social · 08/05/2026If you want to know what 3′UTRs with long conserved sequence stretches do, check out our BioRxiv preprint doi.org/10.64898/202.... They form functional intermolecular 3′UTR-3′UTR interactions that enable co-folding of proteins to rapidly induce transcriptional programs. 513956
Reposted by Sébastien PfefferPLOS Biology @plosbiology.org · 30/04/2026Arboviruses induce acute lytic infection in humans, but how can they infect #mosquito vectors without compromising host viability? This study shows that #arbovirus infection is maintained by limiting viral protein synthesis via repression of #viral RNA translation @plosbiology.org 🧪 plos.io/4tzdog6 282
Reposted by Sébastien PfefferCarlos Ribeiro @ribeirocarlitos.bsky.social · 17/04/2026Today we mourn the passing of our beloved central dogma. It served Crick well. But it is time to let go. www.science.org/doi/10.1126/...science.orgScience | AAAS 16918
Reposted by Sébastien PfefferIGMM-Montpellier @igmm-montpel.bsky.social · 17/04/2026🔬IGMM (CNRS/ Univ Montpellier) is hiring Group Leaders in Innovative Biology. @cnrsbiologie.bsky.social @cnrs.fr @umontpellier.bsky.social 📅 1 May–15 June 2026 📩 search2026@igmm.cnrs.fr 📎Full information 👇 #LifeScience #MolecularBiology #Research #PI #CNRS 12428
Reposted by Sébastien PfefferMediapart @mediapart.fr · 07/04/2026Antisémitisme et critique d’Israël : à l’Assemblée, la mobilisation monte d’un cran contre la loi Yadanl.mediapart.frAntisémitisme et critique d’Israël : à l’Assemblée, la mobilisation monte d’un cran contre la loi YadanPlus d’un demi-million de Français ont signé la pétition appelant les députés à voter contre la proposition de loi sur les « formes renouvelées de l’antisémitisme », portée par la macroniste Caroline Yadan. À gauche, on espère que la mobilisation citoyenne influencera les élus lors de l’examen du texte la semaine prochaine. 27622
Reposted by Sébastien PfefferRNA Society @rnasociety.bsky.social · 27/03/2026Poster abstracts and early bird registrations for the 31st Annual Meeting of the RNA Society are due by March 31st! RNA 2026 website: rnasociety.org/conferences/ #RNA26 0108
Reposted by Sébastien PfefferKranzusch Lab @kranzuschlab.bsky.social · 17/02/2026Max Fels @mfels.bsky.social from our lab discovers giant DNA viruses that infect amoeba encode eIF4E and the entire suite of 4F complex proteins to control mRNA translation, including beautiful crystal structures of viral 4E bound to modified mRNA 5' caps: www.cell.com/cell/fulltex... 19336
Reposted by Sébastien PfefferYad Ghavi-Helm @yghavi.bsky.social · 18/02/2026Don't miss this great opportunity! 015
Reposted by Sébastien PfefferBertrand Benazeraf @bertrandbenazeraf.bsky.social · 17/02/2026Group Leader Call at the @cbitoulouse.bsky.social in Genome biology, projects at the interface with devbio will be given particular attention. please share :) cbi-toulouse.fr/wp-content/u...cbi-toulouse.fr 12931
Reposted by Sébastien PfefferCNRS @cnrs.fr · 09/02/2026#PressRelease🗞️ A specific molecular mechanism has been identified as the cause of the most frequent genetic forms of amyotrophic lateral sclerosis (ALS, also known as Charcot’s disease) and frontotemporal dementia (FTD). 👉 www.cnrs.fr/en/press/discov... 02814
Reposted by Sébastien PfefferMarvin Tanenbaum @marvintanenbaum.bsky.social · 28/01/2026Now out in Nature! We visualize infection of the RNA virus RSV in real-time with single-vRNP resolution to understand how RSV establishes viral factories, biomolecular condensates that act as sites of viral replication. A huge collaborative effort led by Dhanushika Ratnayake! rdcu.be/e1bBWrdcu.bePre-assembly of biomolecular condensate seeds drives RSV replicationNature - Viral ribonucleoprotein–viral protein networks form pre-replication centres that nucleate viral factories and drive respiratory syncytial virus replication. 19235
Reposted by Sébastien PfefferYann Bisiou @yannbisiou.bsky.social · 20/01/2026Au terme d'une analyse totalement déconnectée de la réalité dont les crânes d'oeuf de Bercy ont le secret, Le gouvernement en déduit qu'il peut récupérer 1,4 milliards d'euros (sur 2,5) sur le dos des universités et de l'ANR principalement. 22212
Reposted by Sébastien PfefferPLOS Biology @plosbiology.org · 07/01/2026#RNAi is an ancestral #antiviral system that degrades viral RNA, but what about in #cnidarians? @yehumoran.bsky.social &co show that #Nematostella has an siRNA-mediated antiviral response that lacks 2ary amplification & functions as a short-term antiviral mechanism @plosbiology.org 🧪 plos.io/3N192OD 076
Reposted by Sébastien PfefferLea Gaucherand @leagaucherand.bsky.social · 23/12/2025Our latest paper on bat Dicer! 🦇 we show that Dicer antiviral RNAi activity is context-dependent also in bats 👩🔬 Specifically in Myotis myotis nasal epithelial cells, Dicer relocalizes to sites of viral replication upon alphavirus infection, which correlates with a proviral activity of Dicer 🦠 091
Sébastien Pfeffer @sebpfeffer.bsky.social · 23/12/2025Just in time for Christmas, here is the latest paper from the lab! Great work from @leagaucherand.bsky.social and Hugo Marie, with help from Julie Cremaschi. Funded by @frm-officiel.bsky.social, @agencerecherche.bsky.social journals.plos.org/plospathogen... @cnrsbiologie.bsky.social @unistra.frjournals.plos.orgBat Dicer antiviral role and subcellular localization differ upon alphavirus infection in two distinct speciesAuthor summary Bats are important to study as they are reservoirs for many viruses that can cause severe disease in humans. Notably, bats often show no clinical symptoms when infected with these virus... 062
Sébastien Pfeffer @sebpfeffer.bsky.social · 16/12/2025Yesterday was a good day for the lab with a paper accepted (congrats @leagaucherand.bsky.social and Hugo Marie !) and a very nice Christmas dinner 🎅 040
Reposted by Sébastien PfefferJulien Gossa @juliengossa.cpesr.fr · 03/12/2025[ #VeilleESR #LPPR ] Pour fêter ses 20 ans, le gouvernement envisage de baisser le budget de l'@agencerecherche.bsky.social @claire-giry.bsky.social par @antoinebeau.bsky.social et @stephaniebenz.bsky.sociallexpress.fr"Le financement de nouveaux projets de recherche est menacé" : l'alerte de Claire Giry (ANR)L'Agence nationale de la recherche fête ses 20 ans dans un contexte de grandes tensions budgétaires. Sa présidente Claire Giry revient sur son bilan et décrypte les enjeux du moment. 3107
Reposted by Sébastien PfefferSam J Wilson @samjwilsonphd.bsky.social · 27/11/2025How does fever work? Our new Science paper shows how elevated body temperature can protect against severe influenza and that avian-origin viruses escape this defence. This is likely one reason why bird flus and some pandemic influenzas can be so severe.🧵 www.science.org/doi/10.1126/...science.orgAvian-origin influenza A viruses tolerate elevated pyrexic temperatures in mammalsHost body temperature can define a virus’s replicative profile—influenza A viruses (IAVs) adapted to 40° to 42°C in birds are less temperature sensitive in vitro compared with human isolates adapted t... 620089
Reposted by Sébastien PfefferCNRS @cnrs.fr · 25/11/2025#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 33040
Reposted by Sébastien PfefferOded Rechavi @odedrechavi.bsky.social · 15/10/2025BIG ANNOUNCEMENT📣: I haven’t been this excited to be part of something new in 15 years… Thrilled to reveal the passion project I’ve been working on for the past year and a half!🙀🥳 (thread 👇) 56494184
Reposted by Sébastien PfefferSteph N. Seifert, PhD @stephseifertphd.bsky.social · 28/03/2025Are bats tolerant of all viruses? With a comparative -omics approach, we show that Egyptian fruit bat cells show both antiviral and pro-inflammatory immune responses to infection with Zika virus while our Jamaican fruit bat cells are not susceptible. www.biorxiv.org/content/10.1... 24117
Reposted by Sébastien PfefferMediapart @mediapart.fr · 11/10/2025Ce mépris venu de l’Élysée Par @ilyesramdani.bsky.sociall.mediapart.frCe mépris venu de l’ÉlyséeLa reconduction de Sébastien Lecornu à Matignon, cinq jours après sa démission, est stupéfiante parce qu’insensée. Le président de la République a définitivement renoncé à aligner ses décisions sur les aspirations populaires. Seule compte à présent la conservation du pouvoir. 1329299
Reposted by Sébastien PfefferSheryl Gay Stolberg @sherylnyt.bsky.social · 11/10/2025BREAKING: 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: 833152078339
Reposted by Sébastien PfefferCarl Zimmer @carlzimmer.com · 09/10/2025Today my @nytimes.com colleagues and I are launching a new series called Lost Science. We interview US scientists who can no longer discover something new about our world, thanks to this year‘s cuts. Here is my first interview with a scientist who studied bees and fires. Gift link: nyti.ms/3IWXbiEnyti.ms 14147031811
Reposted by Sébastien PfefferMax Renner @maxrenner.bsky.social · 09/10/2025This was an interesting read. cmarmitage.substack.com/p/i-research...cmarmitage.substack.comI researched every attempt to stop fascism in history. The success rate is 0%.Once they win elections, it's already too late. 092
Reposted by Sébastien PfefferCaro Goujon @carogoujon.bsky.social · 07/10/2025After years in the making, Joe McKellar @viroscope.bsky.social’s final PhD paper is finally out today in PNAS! 🎉 🎉🎉 www.pnas.org/doi/10.1073/...pnas.orgHuman MX1 orchestrates the cytoplasmic sequestration of neosynthesized influenza A virus vRNPs | PNASInterferon-inducible Myxovirus resistance 1 (MX1) proteins are known to restrict influenza A virus (IAV) transcription/replication process. Herein,... 35418
Reposted by Sébastien PfefferEMBO @embo.org · 06/10/2025Want to connect with researchers in #GeneRegulation, small RNAs, #StructuralBiology and more? Sign up for EMBO Workshop "RNA-guided genome protection" in Caux, Switzerland, 16–20 June 2026! Deadline: 15 March meetings.embo.org/event/26-gen... #DNAsky #RNAsky #EMBORNAGenomeProtection #EMBOevents 🧪meetings.embo.orgRNA-guided genome protectionThe genome carries information across generations, ensuring species survival. To preserve faithful transmission of genetic information, RNA-directed mechanisms safeguard the genome integrity in diver… 055
Sébastien Pfeffer @sebpfeffer.bsky.social · 23/09/2025@alphaerika.bsky.social @cmeignin.bsky.social @lucievirevolte.bsky.social @leagaucherand.bsky.social @emiliebrasset.bsky.social @deborahbourchis.bsky.social @merklinglab.bsky.social @carogoujon.bsky.social 020
Sébastien Pfeffer @sebpfeffer.bsky.social · 16/09/2025and thank you @alphaerika.bsky.social, who was the co-supervisor of Charline's work! 000
Sébastien Pfeffer @sebpfeffer.bsky.social · 16/09/2025Today was a great day for Charline Pasquier, who successfully defended her PhD thesis in front of the jury composed of @annemarthe.bsky.social @ericci-aeruginosa.bsky.social, Stefania Millevoi and Jean-Luc Imler. Congratulations to her for a brilliant defense! 🍾 1121
Reposted by Sébastien PfefferEric Topol @erictopol.bsky.social · 10/09/2025Today @nature.com www.nature.com/articles/d41... 320465
Reposted by Sébastien PfefferNature Biotechnology @natbiotech.nature.com · 10/09/2025Genome-wide mapping of RNA-protein associations through sequencing go.nature.com/4gmf1Iigo.nature.comGenome-wide mapping of RNA-protein associations through sequencing - Nature BiotechnologyA resource of human RNA-protein associations is produced using a sequencing-based method. 1203
Reposted by Sébastien PfefferHelmholtz Institute Würzburg @helmholtz-hiri.bsky.social · 10/09/2025Phages, viruses that infect bacteria, could help fight antibiotic resistance, but phage–host interactions are not yet sufficiently understood. Researchers from #HIRI, JMU & HZI now successfully interfered with phage reproduction using ASOs. Just out in @nature.com: www.nature.com/articles/s41...nature.com 33511
Reposted by Sébastien PfefferLuisa Cochella @lcochella.bsky.social · 03/09/2025Our work on the function of miR-51/miR-100 is out! miR-100 is widely conserved across eumetazoans but its function has been mysterious. Emilio Santillán found in worms it regulates signaling and extracellular matrix genes, some of which seem to be conserved targets! www.science.org/doi/10.1126/...science.orgAn ancient and essential miRNA family controls cellular interaction pathways in C. elegansA microRNA that arose at the origin of eumetazoans regulates cell adhesion and signaling in C. elegans through conserved targets. 59335
Reposted by Sébastien PfefferMiguel Branco @brancolab.bsky.social · 22/08/2025New paper from Bin Cao, showing that placenta-specific KO of ADAR1 is embryonic lethal.advanced.onlinelibrary.wiley.comADAR1 as a Placental Innate Immune Rheostat Sustaining the Homeostatic Balance of Intrinsic Interferon Response at the Maternal‐Fetal InterfaceThis study reveals that ADAR1, an RNA-editing enzyme, fine-tunes immune responses in the placenta by preventing the accumulation of immunogenic double-stranded RNAs (dsRNAs) from interferon-stimulate... 0157
Reposted by Sébastien PfefferIvan Zanoni @lozanzi.bsky.social · 21/08/2025#InterferonPower! Thrilled for our latest work @cp-cell.bsky.social! With @danielboehmer.bsky.social, we dug into tons of papers & created what we hope will be a go-to resource for immunologists & non-immunologist about type I, II, III (& IV😉) #interferons! Free👉 authors.elsevier.com/a/1leKGL7PXu... 17833
Reposted by Sébastien PfefferGeoff Green @geoffgreen.org · 08/08/2025I've seen this on Bluesky and had to try it myself. The image below was the response to the prompt: "Show me a diagram of the US presidents since Herbert Hoover, with their names and years in office under their photos" Bravo, OpenAI, bravo. 4353139805
Reposted by Sébastien PfefferRyan Flynn @raflynn5.bsky.social · 06/08/2025RNA N-glycosylation enables immune evasion and homeostatic efferocytosis by chemically caging acp3U. Excited to report this work lead by Vinnie @vinnieviruses.bsky.social and in collaboration with @vijayrathinam.bsky.social in @nature.com www.nature.com/articles/s41... 710946
Reposted by Sébastien PfefferRichard Sever @richardsever.bsky.social · 31/07/2025bioRxiv bat signal going up. We have a big backlog of submissions. If any affiliates have time to do some screening, we (and all the authors) would be immensely grateful! 🙏 104934
Reposted by Sébastien PfefferJulius Brennecke @juliusbrennecke.bsky.social · 29/07/2025last call! submit your abstract by tonight to be selected for one of the many oral presentations at the leading European Transposon Meeting. We are very much looking forward to your contribution and attendance! 01918
Reposted by Sébastien PfefferInserm @inserm.fr · 29/07/2025Une protéine humaine héritée des bactéries révèle un pan méconnu de notre immunité. Lire le communiqué : presse.inserm.fr/une-proteine...presse.inserm.frUne protéine humaine héritée des bactéries révèle un pan méconnu de notre immunité - Salle de presse de l'InsermDepuis quelques années, certains scientifiques explorent les liens inattendus entre les protéines humaines impliquées dans la défense de l’organisme et certains mécanismes immunitaires bactériens. C’e... 1154
Sébastien Pfeffer @sebpfeffer.bsky.social · 28/07/2025🚨Preprint alert! Kind of a late notice, but here is our latest work on bat Dicer and viral infection. Work led by @leagaucherand.bsky.social and Hugo Marie in the lab. @cnrsbiologie.bsky.social @unistra.fr @frm-officiel.bsky.social www.biorxiv.org/content/10.1...biorxiv.orgDicer accumulates in cytoplasmic foci upon alphavirus infection and plays a proviral role in Myotis myotis bat cellsBats are reservoirs for many viruses that frequently cause epidemics in humans and animals. It is thus critical to better understand their immune system and mechanisms of antiviral immunity. Despite a... 0103
Reposted by Sébastien PfefferErika Girardi @alphaerika.bsky.social · 18/07/2025I am happy to share our last preprint, where we identified FASN as an endogenous dsRNA-associated factor and demonstrated that its depletion triggers endodsRNA accumulation and a stronger antiviral response to exogenous dsRNAs,#RNA, #interferon,#immunometabolism www.biorxiv.org/cgi/content/...biorxiv.orgFatty Acid Synthase binds endogenous dsRNAs and dampens the innate immune response to exogenous dsRNAs by limiting their accumulation.In mammalian cells, the presence of double-stranded RNA (dsRNA) in the cytoplasm is a danger signal indicative of viral infection. Cells establish and maintain an antiviral state via the production of... 1167
Reposted by Sébastien PfefferJames Saenz @jamessaenz.bsky.social · 04/07/2025Hot off the press, our latest review of RNA-lipid interactions -> The secret life of RNA and lipids: "There is no life without RNA or lipids. But could there be life with only RNA and lipids?" @tcjea.bsky.social @bcube-tud.bsky.social be-tud.bsky.social www.tandfonline.com/doi/full/10....tandfonline.comThe secret life of RNA and lipidsThere is no life without RNA or lipids. But could there be life with only RNA and lipids? The discovery that RNA can catalyse reactions in addition to encoding information opened new directions for... 05820