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Sarah Bigot

@sbigot.bsky.social
154 followers 73 following 8 posts

Director of research CNRS at MMSB (C. Lesterlin/tacc team) interested in cellular and molecular mechanism of horizontal gene transfer mmsb.cnrs.fr/equipe/transfert-d-adn…

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Reposted by Sarah Bigot
Tominaga K. (tomiken) @pacyc184.bsky.social · 31/07/2026
pLAST - a tool for rapid comparison and classification of bacterial plasmid sequences | Bioinformatics | Oxford Academic
dx.doi.org
pLAST - a tool for rapid comparison and classification of bacterial plasmid sequences
AbstractMotivation. The increasing number of fully sequenced bacterial plasmids being annotated and catalogued has prompted the development of computationa
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Reposted by Sarah Bigot
François Rousset @francoisrousset.bsky.social · 08/09/2026
🚨 We are excited to share the first preprint of our lab ! We discovered an NADase enzymatic domain in bacterial immunity and in the human protein TEP1. www.biorxiv.org/content/10.6...
biorxiv.org
A widespread NADase domain links bacterial immunity with human TEP1
Recent discoveries on bacterial immunity have revealed that several protein domains involved in anti-phage defense are conserved in eukaryotes, such as SIRim, TIR, PNP and gasdermin. Bacterial immune ...
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Reposted by Sarah Bigot
Zeynep Baharoglu @zeynepbaharoglu.bsky.social · 18/08/2026
academic.oup.com/nar/article/... 🦠
academic.oup.com
The leading region of many plasmids is adapted for translational efficiency
Abstract. To successfully transfer, conjugative plasmids must overcome a recipient cell’s defence mechanisms. The leading region of many plasmids—the first
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Reposted by Sarah Bigot
Zeynep Baharoglu @zeynepbaharoglu.bsky.social · 07/07/2026
Widespread immune systems protect bacteria against conjugative plasmids 🦠 www.biorxiv.org/content/10.6...
biorxiv.org
Widespread immune systems protect bacteria against conjugative plasmids
Conjugative plasmids are a class of mobile genetic elements capable of efficient transfer between bacterial cells. Although they can introduce beneficial traits such as antibiotic resistance to recipi...
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Erwan Gueguen @macerwan.bsky.social · 27/06/2026
www.science.org/doi/10.1126/
science.org
Antibiotics stimulate protein transfer to persister cells
The exchange of biological matter between bacterial cells drives adaptation and evolution. However, whether bacteria can exchange functional proteins remains unclear. In this work, we found that antib...
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Reposted by Sarah Bigot
Gc Rox @gcrox.bsky.social · 23/06/2026
Are restriction/modification modules only used for host defense? @selmamhm.bsky.social shows an alternative use. "Restriction-modification systems are required for Neisseria gonorrhoeae pilin antigenic variation" www.pnas.org/doi/10.1073/pnas.2602688123 #Microd #Microsky. #Microbiology
pnas.org
PNAS
Proceedings of the National Academy of Sciences (PNAS), a peer reviewed journal of the National Academy of Sciences (NAS) - an authoritative source of high-impact, original research that broadly spans...
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Reposted by Sarah Bigot
Craig MacLean @craigmaclean.bsky.social · 03/06/2026
Excited to share this new paper from the lab: academic.oup.com/ismej/articl...! See thread below
academic.oup.com
Eco-evolutionary responses to plasmid-dependent phage constrain the spread of multidrug-resistance plasmids
Abstract. Phage therapy offers an alternative to antibiotics for treating multidrug-resistant infections. Plasmid-dependent phages (PDPs) are promising the
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Erwan Gueguen @macerwan.bsky.social · 19/05/2026
🧬 The kick-off meeting of the Erasmus+ Blended Intensive Programme “Microbes in Focus” took place on May 18th, 2026, with all selected students attending. This international programme focuses on modern molecular microbiology, microbial genetics, and the study of microorganisms. 🧵👇
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Melanie Blokesch @mblokesch.bsky.social · 10/04/2026
Excited to share our new paper out today in @science.org 🎉 We show that HGT via natural competence drives diversification of chromosomal integrons in V. cholerae 🤩 Below a 🧵 on key findings incl. background on natural competence in V. cholerae 1/ #microsky #phagesky www.science.org/doi/10.1126/...
science.org
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Tung Le @tunglejic.bsky.social · 16/04/2026
Finally published. Many thanks to a wonderful collaborative team and scientific platforms!!! And thanks to editors and reviewers for enthusiasm and a great review. www.nature.com/articles/s41...
nature.com
A bacterial CARD–NLR-like immune system controls the release of gene transfer agents - Nature Microbiology
An immunity-like system functions as a lysis control hub to promote gene transfer agent particle release from host bacterial cells, suggesting that bacterial immune systems may be co-opted to promote ...
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Pujuan Poppy Deng @poppy-pujuan-deng.bsky.social · 16/04/2026
I am so excited to share our new findings with you! We provide the structural evidence for a direct protein-to-DNA information pathway, showing how a bacterial enzyme 'reads' its own structure to 'write' DNA. www.science.org/doi/10.1126/...
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Ilyas Alav @ilyasalav.bsky.social · 14/04/2026
My main postdoc paper is now out in @natureportfolio.nature.com npj Antimicrobials and Resistance! www.nature.com/articles/s44.... Using flow cytometry, we show that the nucleoside analogues azidothymidine, didanosine, stavudine, and trifluridine reduced transfer of AMR plasmids pCT and pKpQIL (1/3)
nature.com
Mechanistic insights into plasmid transfer inhibition in Enterobacterales by nucleoside analogues - npj Antimicrobials and Resistance
npj Antimicrobials and Resistance - Mechanistic insights into plasmid transfer inhibition in Enterobacterales by nucleoside analogues
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Tatiana Dimitriu @tatianadimitriu.bsky.social · 02/04/2026
And the preprint is out! www.biorxiv.org/content/10.6... We compared plasmid conjugation in liquid and on solid across 13 AMR plasmids with different types of conjugative pili.
biorxiv.org
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Shu-Sin Chng @figlegend.bsky.social · 23/03/2026
Here is it! Super new science from us on horizontal gene transfer & bact defense systems! Liyana OW YONG discovered the first-of-its-kind defense factor AbjA that triggers 'abortive conjugation' as a defense mechanism, by targeting the T4SS! How neat?! #MicroSky 1/7 www.biorxiv.org/content/10.6...
biorxiv.org
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Alvaro San Millan @sanmillan.bsky.social · 13/03/2026
Final version of our last paper is out! www.nature.com/articles/s41...
nature.com
Plasmids promote antimicrobial resistance through insertion sequence-mediated gene inactivation - Nature Microbiology
Inactivation of chromosomal genes through plasmid-encoded IS elements is an extended mechanism of antimicrobial resistance evolution in bacteria.
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Reposted by Sarah Bigot
Vicky Lioy @vslioy.bsky.social · 11/03/2026
Are you investigating the biology of prokaryotic or eukaryotic cells? Are you looking for an excellent scientific environment to establish and lead your own research team? The I2BC is your place and a new call for team leaders is now open. More info👇Deadline 22nd April @i2bcparissaclay.bsky.social
i2bc.paris-saclay.fr
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Géraldine Laloux @lalouxlab.bsky.social · 05/03/2026
#MicroSky Please RT @erc.europa.eu-funded postdoc position in my lab to identify the molecular basis of prey-predator interactions using our favorite micro-vampire Bdellovibrio exovorus as a model. Let's find what the bite is made of! 🧛 Flexible start date. Info: euraxess.ec.europa.eu/jobs/415877
euraxess.ec.europa.eu
Postdoctoral researcher in molecular and cellular bacteriology - ERC CoG VAMPIRE
The research group of Prof Géraldine Laloux at the de Duve Institute (UCLouvain) is looking for a highly motivated postdoc to elucidate the molecular factors underlying bacterial prey-predator interac...
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ugobananas @uugobananas.bsky.social · 04/03/2026
This is the first time we observed bacteria use plasmolysis to defence against phages! biorxiv.org/content/10.6... Thanks all the authors to discover this together! @fnobrega.bsky.social Zhiying @garushyants.bsky.social Dinshaw and Eugene
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Personnic Lab @personniclab.bsky.social · 02/03/2026
🎉 We are thrilled to share our latest study revealing a new mechanism by which Legionella pneumophila evades antibiotic killing via reversible genetic variation mediated by integrative and conjugative elements (ICEs). 📖 Here for the full story: www.biorxiv.org/content/10.6...
biorxiv.org
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Pedro Dorado-Morales @doradomoralesp.bsky.social · 26/02/2026
New preprint out on bioRxiv! www.biorxiv.org/content/10.6... Can conjugative plasmids be used to control plasmid and pathogen spread? Follow me down the rabbit hole that led to this story 🧵
biorxiv.org
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FEMS @femsmicro.org · 19/02/2026
💡 We are inviting you to nominate a woman in microbiology whose work or impact deserves to be seen. Selected nominations will be featured on the FEMS website and across our social media channels on International Women’s Day, 8 March. 👉 Who inspires you? Nominate them by 4 March . buff.ly/AKyMbQD
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Badreddine Douzi @badreddinedouzi.bsky.social · 18/02/2026
Happy to share a new review proposing a unified nomenclature for T4SSs. Great collaboration with Peter J Christie, Gabriel Waksman, Ronnie Per-Arne Berntsson and our team. academic.oup.com/femsre/artic... #T4SS#Microbiology
academic.oup.com
Type IV secretion systems: reconciling diversity through a unified nomenclature
This review presents a comprehensive overview of Type IV Secretion Systems (T4SSs), focusing on their structural, functional, and evolutionary diversity ac
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Badreddine Douzi @badreddinedouzi.bsky.social · 18/02/2026
Ingénieur-e d'étude en biochimie des protéines en concours externes INRAE. Si vous êtes passionnés par les biochimie des protéines et souhaitez rejoindre un environnement dynamique, n'hésitez pas à postuler (Clôture des inscriptions : 19 Mars) jobs.inrae.fr/concours/con...
jobs.inrae.fr
Ingénieur-e en biochimie des protéines
IE26-MICA-1 - Vous rejoindrez l'unité mixte de recherche DynAMic, qui rassemble des chercheur-es, enseignant-es-chercheur-es et personnels d'appui autour de l'étude des mécanismes d'évolution rapide des bactéries. Les travaux de l'unité portent sur le transfert de l'information génétique, son intégration dans le génome bactérien et les mécanismes de régulation associés, avec des enjeux forts en lien avec la dissémination de la résistance aux antibiotiques.Vous serez accueilli-e au sein de l'équipe ICE-TeA, qui s'intéresse plus particulièrement aux mécanismes moléculaires du transfert horizontal de gènes, et interviendrez également en appui des activités de l'équipe StrAda, dédiée à l'étude des mécanismes de recombinaison. Votre environnement de travail est fortement collaboratif, avec des interactions étroites avec des équipes locales spécialisées en cristallographie, en résonance magnétique nucléaire et autres techniques d'analyse, ainsi qu'avec une plateforme technologique disposant d'équipements de pointe pour l'étude des interactions moléculaires.Dans ce contexte scientifique exigeant, votre poste occupe une place centrale pour le développement des projets de recherche de l'unité. Vous piloterez les activités de production, d'analyse et de caractérisation des protéines, contribuerez à la structuration des approches expérimentales et jouerez un rôle clé dans la transmission des savoir-faire, la qualité des données produites et le bon fonctionnement des équipements. Vous contribuerez au bon développement des différents projets (planification, gestion des ressources, etc) et assurerez des missions de formation et d'encadrement). Dans ce cadre, vous serez en charge des activités suivantes :Production, purification et analyse des protéines :-Choisir, développer et adapter les protocoles de production et de purification de protéines recombinantes-Mettre en oeuvre et optimiser des techniques de biochimie et de biologie moléculaire (production de protéines hétérologues, électrophorèse, clonage, séquençage, PCR, purification protéines)-Conduire les analyses fonctionnelles et structurales des protéines en lien avec les projets de recherchePilotage technique, qualité et équipements :-Organiser et gérer les moyens techniques nécessaires aux projets scientifiques-Assurer le fonctionnement, le suivi métrologique et la maintenance des équipements-Mettre en oeuvre une démarche qualité et garantir la traçabilité et la fiabilité des résultats-Assurer une veille scientifique et technologique dans le domaine de la biochimie des protéinesFormation, encadrement et animation scientifique :-Former et accompagner les membres de l'unité aux techniques de production et d'analyse des protéines-Apporter un appui méthodologique et technique aux projets de recherche-Participer à la diffusion et à la valorisation des résultats sous forme de présentations et de publications-Contribuer au respect des règles d'hygiène et de sécurité au laboratoire
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Guzzo lab - Lyon @mguzzo.bsky.social · 29/01/2026
Un poste de MCF (👇) s'ouvre dans notre unité MMSB, avec possibilité d'accueil dans mon équipe Venez travailler avec nous sur les mécanismes moléculaires impliqués dans la réponse au stress et la modulation de la croissance chez les bactéries! N'hésitez pas à me contacter si vous êtes intéressés!
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MMSB-Lyon @mmsb-lyon.bsky.social · 29/01/2026
📢 Recrutement d’un(e) Maître(sses) de conférence en Biochimie générale, spécialité bactériologie moléculaire à MMSB 🔬Recherche *Immunité anti-phages *Réponse au stress, modulation de la croissance bactérienne ✉️ christophe.grangeasse@cnrs.fr 📚Enseignement : Université Lyon I ✉️ patrice.gouet@ibcp.fr
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Anne Chevallereau @annechevallereau.bsky.social · 29/01/2026
Un poste de Maître de Conférence est ouvert pour rejoindre notre unité à Lyon ! Possibilité de rejoindre mon équipe pour travailler sur: - caractérisation des mécanismes de défense anti-phage - transfert horizontal et interactions entre éléments génétiques mobiles N'hésitez pas à me contacter
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Kranzusch Lab @kranzuschlab.bsky.social · 28/01/2026
Great new story from Sophie Helaine and Molly Sargen! www.helainelab.com
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Allison Lopatkin, PhD @ajlopatkin.bsky.social · 27/01/2026
Big week: welcomed a new baby boy Harris Lopatkin, AND our PlasAnn paper is finally out: academic.oup.com/nar/article/... (obviously the first more important than the second 🥰). Currently on leave but if anyone has the need to annotate large plasmids, go check it out!
academic.oup.com
PlasAnn: a curated plasmid-specific database and annotation pipeline for standardized gene and function analysis
Abstract. Conjugative plasmids are key drivers of bacterial adaptation, enabling the horizontal transfer of accessory genes within and across diverse micro
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Jerónimo Rodríguez-Beltrán @jerorb.bsky.social · 27/01/2026
New paper out in @pnas.org, and it made the cover! 👁️ We represent plasmids as circles and mutations as dots, resembling an eye, because in this paper we literally 𝑤𝑎𝑡𝑐ℎ plasmids evolve. ‼️Check Paula’s 🧵 and the paper👇 𝗣𝗹𝗮𝘀𝗺𝗶𝗱 𝗺𝘂𝘁𝗮𝘁𝗶𝗼𝗻 𝗿𝗮𝘁𝗲𝘀 𝘀𝗰𝗮𝗹𝗲 𝘄𝗶𝘁𝗵 𝗰𝗼𝗽𝘆 𝗻𝘂𝗺𝗯𝗲𝗿 www.pnas.org/doi/10.1073/...
Cover of PNAS in which we show plasmids as colourful concentric circles, with dots scattered. The image kind of resembles an eye, although it’s visibly a plot.
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MMSB-Lyon @mmsb-lyon.bsky.social · 26/01/2026
New publication from the Lesterlin (TacC) team at MMSB! Congratulations to all authors. In collaboration with Pierre Bogaerts (UCL Belgium) and J. Villa (UB Barcelona) doi.org/10.1093/nar/...
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Xavier Charpentier @labxc.bsky.social · 16/01/2026
#microsky Massive update of preprint with @polardlab.bsky.social! Bacteria have evolved two systems to recombine extracellular DNA www.biorxiv.org/content/10.1... Kudos to lead authors Léo Hardy, Violette Morales and Clothilde Rousseau, and to outstanding Dalia's lab and @epcrocha.bsky.social 🧵⬇️
biorxiv.org
Two D-loop resolution systems enable natural genetic transformation in bacteria
Natural transformation is a widespread mechanism driving genetic exchanges in bacteria. It proceeds by the capture and internalization of exogenous DNA in linear single strands, ultimately integrated in the genome by homologous recombination. It is unknown how the RecA-directed D-loop intermediate of this dedicated recombination pathway is processed. We report that resolution of the transformation D-loop depends on two endonucleases of opposing phylogenetic distribution in bacteria. One is YraN, which has co-evolved and interacts with the ComM helicase, known to extend DNA recombination at the transformation D-loop. The other is CoiA, which is restricted to the Bacillota. CoiA is shown to be a resolvase of the transformation D-loop, extended by the RadA helicase in these species. We demonstrate that both YraN and CoiA act synergistically with their cognate helicases. These findings reveal that bacteria have evolved two helicase/nuclease pairs for the maturation and recombination extension of the transformation D-loop. ### Competing Interest Statement The authors have declared no competing interest. Agence Nationale de la Recherche, https://ror.org/00rbzpz17, ANR-20-CE12-0004, ANR-10-BLAN-1331, ANR-17-CE13-0031, ANR-22-CE44-0044, ANR-10-LABX-62-IBEID, PIA/ANR-16-CONV-0005 Fondation pour la Recherche Médicale, https://ror.org/04w6kn183, FDT202001010890 European Union's Horizon research and innovation programme. Marie Skłodowska-Curie Postdoctoral Fellowships, 101208987 National Institute of Health, USA, R35GM128674
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François Rousset @francoisrousset.bsky.social · 14/01/2026
🚨L'ENS de Lyon recrute un.e maître de conférence qui rejoindra le CIRI pour développer ses recherches sur l'immunité bactérienne, les transferts horizontaux et les MGE. 📖 Une très belle opportunité d'enseigner à des étudiants brillants tout en menant des recherches excitantes !
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Manuel Ares-Arroyo @aresarroyom.bsky.social · 14/01/2026
Bacteria chromosomes contain Genomic Islands that provide virulence, antibiotic resistance, MGE-defence,... They transfer between cells, but the mechanism of most remains elusive. Here we explore the conjugative capacity of these mysterious Genomic Islands. www.biorxiv.org/content/10.6...
biorxiv.org
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Olaya Rendueles @olayarendueles.bsky.social · 15/01/2026
My team at @cbitoulouse.bsky.social is recruiting a postdoc #bioinformatics with solid experience in metagenomic analyses. Interest in evolution, ecology & MGEs is important. The offer stands until the perfect candidate is found, and it could be you 🫵 🔁 🙏 #microSky #phagesky #UTIsky @cnrs.fr
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Tabea Elsener @tabeaelsener.bsky.social · 13/01/2026
Neisseria gonorrhoeae carries an unusually large number of restriction–modification systems (up to 16!), many of which are phase-variable. How does this affect plasmid transmission in gonococci? doi.org/10.64898/202...
doi.org
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Xavier Charpentier @labxc.bsky.social · 13/01/2026
Une opportunité unique de former des étudiants talentueux à la biologie des bactéries à l'ENS Lyon et mener des recherches sur les phages, l'immunité bactérienne, le transfert génétique horizontal (HGT) et/ou les éléments génétiques mobiles au sein du département de bactériologie du CIRI.
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Thomas Henry @cinflammasome.bsky.social · 13/01/2026
📢 Recruitment of an Associate Professor (Maître de conférences) in Bacteriology at CIRI and ENS de Lyon. Research at @ciri-lyon.bsky.social @francoisrousset.bsky.social @labxc.bsky.social Anti-phage Immunity, Horizontal gene/ MGE transfer 📚 Teaching at ENS de Lyon within the Department of Biology.
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Sarah Bigot @sbigot.bsky.social · 12/01/2026
New bioRxiv preprint from our Lesterlin lab How early gene expression coupled to DNA processing boosts resistance plasmid spread. With @nfrk92.bsky.social in collab with Y. Yamaichi lab 👉 doi.org/10.64898/202...
doi.org
Coupling DNA processing to early gene expression drives antibiotic resistance plasmid dissemination
The rapid global spread of antibiotic resistance is mediated by conjugative plasmids, yet how these elements establish immediately after entering new bacterial hosts remains poorly understood. Here we...
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Siân Owen @sianowen.bsky.social · 16/12/2025
Beautiful work from Jay Winans in the Nadell Lab @dartmouthartsci.bsky.social showing IncF plasmid pED208 spreading like wildfire through E. coli biofilms www.cell.com/current-biol...
cell.com
Bacterial conjugation can restructure biofilms and increase their resilience while constraining host cell dispersal
Winans et al. show how plasmid transfer can reorganize bacterial communities into dense aggregates, conferring antibiotic and phage tolerance to otherwise sensitive host cells. Conjugation-dependent a...
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MMSB-Lyon @mmsb-lyon.bsky.social · 20/12/2025
New publication from the Grangeasse's team at MMSB! Congratulations to all authors. In collaboration with Cecile Morlot (IBS, Grenoble) and David Rooper (Warwick university). To know more : rdcu.be/eVsin
rdcu.be
Streptococcus pneumoniae S protein activates PBP1a to regulate peptidoglycan remodelling and cell division
Nature Microbiology - S protein interacts with and activates PBP1a during cell division, as part of a larger GpsB-associated multiprotein complex that coordinates peptidoglycan remodelling in...
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Josy ter Beek @josyterbeek.bsky.social · 30/12/2025
📣New preprint with @rberntsson.bsky.social👇We overturn the long-standing view that Gram-positive bacteria lack conjugative pili! We identify pili-forming proteins in a wide range of bacteria and show they're essential for the spread of #antibioticresistance #AMR 🧵1/6 www.biorxiv.org/content/10.6...
biorxiv.org
Pili are essential for conjugation also in many Gram-positive bacteria
Type IV secretion systems (T4SS) enable the spread of antibiotic resistance and other virulence factors. In Gram-positive bacteria, T4SSs have long been thought to lack VirB2-like proteins that form c...
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dukasju.bsky.social @dukasju.bsky.social · 15/12/2025
We propose immuno-centric view of secreted polymorphic toxin diversification and involvement of novel XPC systems in this process! Fantastic work of @jmartinkus.bsky.social with lab of @cascaleslab.bsky.social ! www.cell.com/current-biol...
cell.com
Poly-immunity arrays associated with Rhs toxins confer wide protection against competitors
Martinkus et al. show that Photorhabdus and Xenorhabdus species encode arrays of immunity genes whose protein products neutralize toxins secreted by competitors. These arrays, often linked to Xer pass...
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Tatiana Dimitriu @tatianadimitriu.bsky.social · 12/12/2025
Our story on plasmid streamlining is now published in PLoS Biology! With @andrewmatthews.bsky.social and @sonjalehtinen.bsky.social #MicroSky #Mevosky journals.plos.org/plosbiology/...
journals.plos.org
Plasmid streamlining drives the extinction of antibiotic resistance plasmids under selection for horizontal transmission
Conjugative plasmids play an important role in the spread of antimicrobial resistance (AMR) genes among pathogenic bacteria. This study shows that AMR loss in evolving populations is associated with t...
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Zeynep Baharoglu @zeynepbaharoglu.bsky.social · 13/12/2025
Our new paper on DusB’s role in redox metabolism in V. cholerae is now out in @narjournal.bsky.social linking tRNAmodif enzymes and metabolic adaptation. Beyond RNA modification: a tRNA-modifying enzyme shaping oxidative stress resilience and metabolism in V. cholerae #rnasky #rnabiology 😊🦠💫
academic.oup.com
Beyond RNA modification: a novel role for tRNA modifying enzyme in oxidative stress response and metabolism
Abstract. RNA modifications play a fundamental role in regulating essential cellular processes, including translation fidelity and stress adaptation. While
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Nathan Fraikin @nfrk92.bsky.social · 10/12/2025
academic.oup.com/nar/article/... Collaboration with Y. Yamaichi. Killing donor bacteria in conjugation mixes using water enables transcriptomic profiling of early plasmid genes ! Superb tool for studying zygotic induction of these early genes, which include anti-SOS and anti-RM factors. #microsky
academic.oup.com
Selective elimination of donor bacteria enables global profiling of plasmid gene expression at early stages of conjugation
Abstract. Conjugative plasmids are a major driving force for the dissemination of antimicrobial resistance. During conjugation, plasmid DNA is transferred
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Zeynep Baharoglu @zeynepbaharoglu.bsky.social · 03/11/2025
Our new paper maps the tRNA modification landscape in Vibrio cholerae! 💫 We describe differences from E. coli and discuss links to decoding of stress-related codons 🦠 Huge thanks to amazing co-authors and collaborators! @plos.org #rnasky #microsky #tRNAmodifications
journals.plos.org
The tRNA epitranscriptomic landscape and RNA modification enzymes in Vibrio cholerae
Author summary This study charts the first genome-wide map of transfer RNA (tRNA) modifications in the cholera pathogen, Vibrio cholerae, revealing how chemical marks on tRNAs shape translation and st...
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Calum H. G. Johnston @chgjohnston.bsky.social · 26/11/2025
Pleased to share our recent article in PNAS - a collaboration with @jessicaandreani.bsky.social & Pablo Radicella, with important roles played by many members of each team. A tripartite protein complex promotes DNA transport during natural transformation in Firmicutes www.pnas.org/doi/10.1073/...
pnas.org
A tripartite protein complex promotes DNA transport during natural transformation in Firmicutes | PNAS
Natural genetic transformation is a conserved mechanism of bacterial horizontal gene transfer, which is directed entirely by the recipient cell and...
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Everyone's least favorite lab mate @kepatitis-c.bsky.social · 20/11/2025
What is the best strategy to win any contest? Eliminate your opponents of course. Recently, my friend @fernpizza.bsky.social showed how plasmids compete intracellularly (check out his paper published in Science today!). With @baym.lol, we now know they can fight. www.biorxiv.org/content/10.1...
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Michael Baym @baym.lol · 20/11/2025
Hot off the press! Our latest paper led by @fernpizza.bsky.social, understanding how plasmids evolve inside cells. These small, self-replicating DNA circles live inside bacteria and carry antibiotic resistance genes, but also compete with one another to replicate. 1/ www.science.org/doi/10.1126/...
science.org
Intracellular competition shapes plasmid population dynamics
From populations of multicellular organisms to selfish genetic elements, conflicts between levels of biological organization are central to evolution. Plasmids are extrachromosomal, self-replicating g...
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Reposted by Sarah Bigot
Tatiana Dimitriu @tatianadimitriu.bsky.social · 18/11/2025
PhD studentship opportunity! Join us at St Andrews to study the factors controlling plasmid transmission in the gut. Competition-funded as part of the EASTBIO DTP, co-supervised with Dr Jaclyn Pearson. Please share & pass on to anyone interested! 🦠🧫 Deadline 15th December👇
findaphd.com
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