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Florence Niedergang

@florenceniedergang.bsky.social
635 followers 474 following 48 posts

cell biologist, immunologist interested in host-pathogens interactions: too many keywords? Phagocytosis is key. Macrophages. Viruses. CNRS Scientist @InstitutCochin.bsky.social (Inserm, CNRS, Université Paris Cité). Opinions my own

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Reposted by Florence Niedergang
CNRS Biologie @cnrsbiologie.bsky.social · 04/08/2026
#ResultatScientifique🔎| Le VIH-1 favorise la persistance de Chlamydia en empêchant la mort des macrophages infectés. ✍️ @florenceniedergang.bsky.social 📕 @asm.org 🤝 @cnrs-idf-villejuif.bsky.social @inserm.fr @upcite.bsky.social
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VIH et Chlamydia : quand la co-infection transforme les macrophages en refuge
Les co-infections par le VIH-1 et Chlamydia trachomatis sont bien documentées au niveau épidémiologique, mais leurs interactions au sein des cellules restent mal comprises. Dans une étude publiée…
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Florence Niedergang @florenceniedergang.bsky.social · 06/07/2026
🤩 Really happy our publication in mSphere showing how #HIV and #Chlamydia trachomatis join forces to survive inside #macrophages! lnkd.in/ejNj66PE Strong collaboration between our group @institutcochin.bsky.social Paris and Maria-Teresa Damiani's group @CONICET @UniversidadNacionaldeCuyo, Argentina
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Florence Niedergang @florenceniedergang.bsky.social · 22/06/2026
It was a great pleasure and honor to start the @ukcellmicro.bsky.social annual meeting today in Belfast! Wonderful programme with talks and posters on various #microbes and #hosts ! Thank you again for inviting me !
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Club Exo Endo @clubexo-endo.bsky.social · 28/05/2026
Great start to session1 at the 28th Club Exo-Endo meeting!Three exciting talks, from lipid control of dopamine D2 receptor(D.Perrais, Bordeaux), to Vamp7-dependent cholesterol trafficking (P.Nazac,Paris) and how biomechanics shape membrane trafficking in neurons (D. des Roberts, Bordeaux)
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Club Exo Endo @clubexo-endo.bsky.social · 28/05/2026
Session 4 explored how cells communicate and coordinate organelles, with Sophie Rome, Julia Dancourt, Stéphane Bodin and Céline Knorr covering macrophages, EV fate, secretory autophagy and ER–lysosome contacts. @clubexo-endo.bsky.social
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Club Exo Endo @clubexo-endo.bsky.social · 28/05/2026
Session 3 of the Club Exo endo meeting explored how intracellular architecture shapes cell function, with Quentin Frenger, Jacky Goetz, Leo Krüttli and Aline Mathey highlighting autophagy, lysosome positioning, cilia remodeling and cancer cell migration.
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Club Exo Endo @clubexo-endo.bsky.social · 28/05/2026
Session 3 explored how intracellular architecture shapes cell function: from autophagosome biogenesis and lysosome positioning to ciliary membrane remodeling and endolysosomal dynamics in cancer cell migration. @clubexo-endo.bsky.social
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Club Exo Endo @clubexo-endo.bsky.social · 28/05/2026
What a start for the second day of the Club Exo Endo meeting with keynote speaker C.Leterrier who uses state-of-the art superresolution microscopy to resolve axonal cytoskelon organization. Hot spots of endocytosis and exocytosis in clearings free of actin and spectrin. Fascinating talk!
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Club Exo Endo @clubexo-endo.bsky.social · 28/05/2026
Session2 at the 28th Club Exo Endo meeting offers great talks spanning phagocytosis (F.Niedergang, Paris), phagolysosome resolution (Q.Provôt, Paris), retromer coat assembly (N.Gopaldass, Lausanne), and fast endophilin-mediated endocytosis in cell invasion (E. Sekretova, Grenoble).
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Richard Sever @richardsever.bsky.social · 13/03/2026
"Preprint servers are a time machine, they move everyone forward 12 months and speed up the exchange of ideas" ht @pedrobeltrao.bsky.social www.evocellnet.com/2021/06/a-no...
evocellnet.com
A not so bold proposal for the future of scientific publishing
Around 15 years ago I wrote a blog post about how we could open up more of the scientific process. The particular emphasis that I had in min...
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Rob Klose @robklose.bsky.social · 13/03/2026
We are excited to be recruiting into 3 Associate Professorship's in @oxfordbiochemistry.bsky.social. Come join us as a colleague and benefit from our vibrant and multidisciplinary environment. Reach out to me if you have any questions. Please repost! (tinyurl.com/48deybuu) (tinyurl.com/4pdvjaft).
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Florence Niedergang @florenceniedergang.bsky.social · 13/03/2026
Don’t miss the seminar by @jaumouillelab.bsky.social next Wednesday March 18 at noon time in Paris @institutcochin.bsky.social on “eliminating cancer cells, a physical challenge for macrophages”! a zoom link will be provided later #cancer #macrophages #immunity
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IMAG'IC @imag-ic.bsky.social · 10/03/2026
Registration is now open for the Cochin #QuPath training course for the manipulation of Fluo or color pyramid images, #histology or #microscopy, with the application of #deeplearning April 14, 2026 April 17, 2026 institutcochin.fr/formation-co... @institutcochin.bsky.social @upcite.bsky.social
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SBCF @sbcf.bsky.social · 03/02/2026
finishing with a path to multicellularity via ultrastructure complexity #cellbiologyofeukaryogenesis @sbcf.bsky.social a big thank you to all speakers!
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SBCF @sbcf.bsky.social · 03/02/2026
fantastic start for our Eukaryogenesis meeting with a vivid overview of membrane remodelling systems in Archae!
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Florence Niedergang @florenceniedergang.bsky.social · 03/02/2026
It was fun discovering the subcellular organisation of plankton with PlanktoQuest today! Thank you @sbcf.bsky.social @eurobioimaging.bsky.social @cnrs.fr
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SBCF @sbcf.bsky.social · 02/02/2026
Prix Jeune Chercheur·e SBCF 2026 🧬 Candidatures ouvertes ! 🎓 Biologie cellulaire | 🏆 5 000 € ⏰ Deadline : 20 février 2026 👉 Jeunes chercheur·es avec au moins une contribution postdoctorale : candidatez ! sbcf.fr/award/prix-j...
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SBCF @sbcf.bsky.social · 02/02/2026
Bourses SBCF – congrès 2026 ✈️🧬 Doctorant·e·s & post-docs en biologie cellulaire 💶 Jusqu’à 500 € (Europe) | 1 000 € (hors Europe) 📅 Deadline : 15 février 2026 👉 Congrès à partir du 15 mars 2026 sbcf.fr/fellowship/b...
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Florence Niedergang @florenceniedergang.bsky.social · 03/02/2026
Inspiring talk to start this symposium! Thank you @sbcf.bsky.social for this programme!
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Florence Niedergang @florenceniedergang.bsky.social · 22/01/2026
Delighted to be invited to talk at the 2026 UK CellularMicrobiologyNetwork meeting! Looking forward to interacting with the attendees!
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CEA @cea.fr · 16/01/2026
#art 🎨 | Quand l’art devient expérimental & que chaque spectateur devient 🧑‍🔬. A l'occasion du spectacle 'Architectures vivantes’ du @museeorsay.bsky.social qui aura lieu les 24 et 25 janvier prochains, @manuelthery.bsky.social, directeur scientifique du projet revient sur cette expérimentation en 📽️
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Katie Mack @astrokatie.com · 11/01/2026
“Who in the United States of America wants a war between the United States and Europe … over GREENLAND??”
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Guillaume Jacquemet @guijacquemet.bsky.social · 19/12/2025
I am delighted to introduce our new Centre of Excellence in Immune-Endothelial Interfaces (IMMENs) funded by the Research Council of Finland. www.helsinki.fi/en/researchg... I will be recruiting two postdocs early next year. One image analyst and one biologist interested in working on lymphatics!
helsinki.fi
Centre of Excellence in Immune - Endothelial Interfaces (IMMENs) | University of Helsinki
The overarching aim of IMMENs, a Research Council of Finland funded Centre of Excellence, is to understand how local immune responses are regulated at the lymphatic endothelium-immune cell interface.
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Florence Niedergang @florenceniedergang.bsky.social · 17/12/2025
End-of-the year PHAG'IC lab @institutcochin.bsky.social dinner yesterday with most of the lab members and excellent food from various regions to share! thank you all for your scientific engagement and great team spirit!
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Florence Niedergang @florenceniedergang.bsky.social · 13/12/2025
Thank you @Adriana Mantegazza for the invitation to give a seminar @ThomasJeffersonUniversity and great opportunities to discuss with you, your colleagues and early career researchers #cellbiology #immunity #viruses #macrophages - forgot to take a picture during this intense day!
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Florence Niedergang @florenceniedergang.bsky.social · 13/12/2025
two posters @jcellsci.bsky.social collected at the @biologists.bsky.social booth during the #cellbio2025 meeting @ascbiology.bsky.social @embo.org are now in place in the lab @institutcochin.bsky.social in Paris!
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Stephen Royle @steveroyle.bsky.social · 12/12/2025
Hooray, @biologists.bsky.social have protected a tree in exchange for a peer review I did for J Cell Sci. One of the many reasons why I prefer to donate my time to them rather than a commercial publisher. forest.biologists.com/landscape/?i...
forest.biologists.com
Landscape - The Forest of Biologists
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Florence Niedergang @florenceniedergang.bsky.social · 08/12/2025
Happy to share that I will be presenting at #CellBio2025 this afternoon during the #CSCB session in room 108 our work on #phagocytosis by #macrophages mannose receptor done @institutcochin.bsky.social by @chiarapompili.bsky.social with @jfattaccioli.bsky.social and @jean-Maurice Mallet
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Florence Niedergang @florenceniedergang.bsky.social · 25/11/2025
it's been almost 2 weeks since the farewell party ending Hannah von Giesen's @uniheidelberg.bsky.social internship in our PHAGI'IC team @institutcochin.bsky.social : congratulations for these 2 awsome months and the best of luck for the future projects on #immunity @rockefeller.edu !
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Jacques Fattaccioli @jfattaccioli.bsky.social · 20/11/2025
Inside macrophages, the particles report the onset and progression of phagosomal acidification at single-object resolution. This work is a collaboration with B. Dumat and J.M. Mallet (ENS-PSL, Chemistry Dpt) and @florenceniedergang.bsky.social (Institut Cochin)
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CNRS @cnrs.fr · 05/11/2025
📢 Inscrivez-vous aux formations 2026 de CNRS Formation Entreprises 280 programmes disponibles, animés par les équipes scientifiques du CNRS, pour anticiper les grands enjeux actuels. 👉https://cnrsformations.cnrs.fr
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Florence Niedergang @florenceniedergang.bsky.social · 05/11/2025
Tomorrow at noon @institutcochin.bsky.social seminar by Chris Mueller @cnrs.fr @unistra.fr on "Differentiation of B cell-associated mesenchymal cells in the lymph node" #Bcells #immunity #macrophages #mesenchyme
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IMAG'IC @imag-ic.bsky.social · 05/11/2025
Superbe présentation d'applications #FLIM #FRETFLIM #STEDFLIM par Julie Lesieur au #JST2025 @ijpb-versaillescly.bsky.social @inrae-france.bsky.social #Versailles rmui.hub.inrae.fr/les-j.s.t.-d...
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OpenCID @opencid.bsky.social · 11/10/2025
Great first poster session at #Mifobio2025 — thanks for the inspiring discussions! 🔬 All week long, come (re)discover our poster and explore #OpenCID, making #data #storage, #management & #sharing simpler. See you soon! @gdrimabio.bsky.social @imag-ic.bsky.social
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Florence Niedergang @florenceniedergang.bsky.social · 11/10/2025
Huge thanks to my team for active participation to #FDS2025 #science fair yesterday with school classes and today general public! so rewarding ! @institutcochin.bsky.social @cnrsbiologie.bsky.social @upcite.bsky.social @inserm.fr
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OpenCID @opencid.bsky.social · 10/10/2025
Let's go to #Mifobio2025 We look forward to seeing you all in front of our new poster and at our Flash Tutorial 10, “ #OpenCID : simplifying the #storage, #management, and #sharing of your #data.” on Sunday at 1:15 p.m. and Thursday at 1:15 p.m. @gdrimabio.bsky.social @imag-ic.bsky.social
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IMAG'IC @imag-ic.bsky.social · 10/10/2025
If you want to learn everything there is to know about STED #expansion #microscopy #ExSTED, come to #Mifobio2025 🔬 for workshop A-13 "Understanding the micro-architechture of immune synapses" 📆on Sunday at 4:15 p.m. and Wednesday at 9 p.m. @gdrimabio.bsky.social @institutcochin.bsky.social
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Florence Niedergang @florenceniedergang.bsky.social · 10/10/2025
Very happy to have participated to the #RETROPATH2025 meeting in Tubingen: I had the pleasure to chair the last but great session yesterday! a lot of insights on #retroviruses in particular endoretroviruses! Thank you Michael Schindler and Daniel Sauter for the awsome programme!
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Institut Cochin @institutcochin.bsky.social · 10/10/2025
Rendez-vous demain pour découvrir la recherche biomédicale à @institutcochin.bsky.social : observations, expériences dans nos laboratoires, escape-games, rencontres ... #FDS2025 #science #Recherche @inserm.fr @cnrsbiologie.bsky.social @upcite.bsky.social
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GdR ImaBio 🔬 @gdrimabio.bsky.social · 10/10/2025
🔥 It's Time ! #Mifobio2025 👉 imabio-cnrs.fr #GDRImabio @cnrs.fr @cnrsingenierie.bsky.social @cnrsbiologie.bsky.social
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Florence Niedergang @florenceniedergang.bsky.social · 06/09/2025
Pleased to announce launching Institut Cochin Foundation, on Sept. 18 at 6 p.m., upon registration, either in the Rosalind Franklin room, 22 rue Méchain, Paris or via video conference: presentation of @institutcochin.bsky.social, meet researchers and call for donations-thanks for your support!
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Florence Niedergang @florenceniedergang.bsky.social · 27/08/2025
Happy to share our preprint showing that #HIV-1 and #Chlamydia trachomatis promote their survival in co-infected human #macrophages @MarianoAlonsoBivou, FlorianeHerit, ThibaultLeray, Maria-Teresa Damiani doi: doi.org/10.1101/2025... collaboration between Cuyo and Paris @institutcochin.bsky.social
doi.org
HIV-1 and Chlamydia trachomatis restrict their respective growth but promote their survival in co-infected human macrophages
HIV-1 and Chlamydia trachomatis (CT) are two significant sexually transmitted pathogens that frequently co-infect individuals. However, the mechanisms by which these two obligate intracellular pathoge...
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Sandra Iden @sandraiden.bsky.social · 26/08/2025
#PhDstudent position in our lab – come join us to study epithelial:non-epithelial cell-cell interactions in mammalian tissues. We provide thorough training & an awesome team! Apply by Sept. 16: shorturl.at/o9vzd #epithelia #cellbiology #nextgenerationPhD #cellcellcommunication @hetcci.bsky.social
shorturl.at
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Florence Niedergang @florenceniedergang.bsky.social · 16/07/2025
So sad to see how "Mer de Glace" #glaciers has shrunk - I was here 25 years ago #ClimateChange but it is still time to act for the planet ! Every little action matters, together, our small steps add up for a healthier planet #ClimateAction
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Journal of Cell Science @jcellsci.bsky.social · 07/07/2025
In their Cell Science at a Glance article and poster, @manondepierre.bsky.social, @chiarapompili.bsky.social and @florenceniedergang.bsky.social @institutcochin.bsky.social take us through the key features of #phagocytosis. journals.biologists.com/jcs/article/...
JCS poster - Phagocytosis at a glance
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Institut Cochin @institutcochin.bsky.social · 23/06/2025
SAVE THE DATE: Symposium Institut Cochin "Long COVID and other Post-Acute Infections: from symptoms to mechanisms" on December 5, 2025 at @institutcochin.bsky.social in Paris. institutcochin.fr/en/animation... @cnrsbiologie.bsky.social @inserm.fr @upcite.bsky.social
institutcochin.fr
Symposium Institut Cochin 2025 "Long COVID and other Post-Acute Infections: from symptoms to mechanisms"
The symposium Institut Cochin 2025 will be held on December 5, 2025 and will be untitled: Long COVID and other Post-Acute Infections: from symptoms to mechanisms. The meeting will bring together world...
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Florence Niedergang @florenceniedergang.bsky.social · 02/07/2025
Thrilled to share that our "Poster at a Glance" on #Phagocytosis is out! Thank you @jcellsci.bsky.social @biologists.bsky.social for the invitation ! Prepared with @manondepierre.bsky.social @chiarapompili.bsky.social from @institutcochin.bsky.social journals.biologists.com/jcs/article/...
journals.biologists.com
Phagocytosis at a glance
Summary: Phagocytosis involves receptor-driven actin and membrane remodelling to engulf microbes and debris. The phagosome then matures for degradation, supporting both nutrition and immune responses.
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Eric Topol @erictopol.bsky.social · 22/06/2025
Spotlight on the gut-brain axis A rapid expansion of new discoveries and knowledge lays the foundation for a new era in medicine erictopol.substack.com/p/the-gut-br...
erictopol.substack.com
The Gut-Brain Axis Takes Center Stage
A rapid expansion of new discoveries and knowledge lays the foundation for a new era in medicine
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Florence Niedergang @florenceniedergang.bsky.social · 23/06/2025
Nice musical parenthesis with @membraneband to end this symposium celebrating the 30th anniversary of the #cellbiology and #cancer unit UMT144 @institutcurie.bsky.social @cnrs.fr where many colleagues were trained and/or recruited!
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MOREL Lab / MEMBRAMICS research @membramics-lab.bsky.social · 16/06/2025
dear all! The Membrane Band (www.membraneband.com) will give a concert for the 30th Anniversary of the "Cell biology & Cancer Research Unit" (aka UMR144 for close friends) ‪of Curie Institute on Monday 23th fo June! @institutcurie.bsky.social see you there?
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