Reposted by Raluca GrozaVeijo Salo @veijosalo.bsky.social · 23/06/2026How does a cell remodel the ER membrane into a lipid droplet? Excited to share our new bioRxiv preprint, where we find that regulated opening of the seipin ring defines a functional ER–lipid droplet interface — and identify SMLR1 as a regulator of this transition. www.biorxiv.org/content/10.6... 37429
Reposted by Raluca GrozaDGZ.bsky.social @dgz.bsky.social · 11/05/2026On June 30 at noon, the next #DGZ Focus Workshop on #MembraneOrganization & #ContactSites will take place, organized by Sabrine Buettner & Katja Zieske. Speakers: André Nadler @nadlerlab.bsky.social, Suzan Kors, Zexi Xu and Emma Fenech. Join us! 0155
Reposted by Raluca GrozaEwerslab @ewerslab.bsky.social · 05/05/2026New paper out! Left-handed DNA cannot bind to natural, right-handed DNA. This leads to lower background if it is used as a probe in DNA-PAINT. Using Fluorigenic DNA-PAINT with left-handed DNA allows for low background, fast 3D DNA-PAINT! Congrats, Bas! skeetorial: 1/x pubs.acs.org/doi/full/10....pubs.acs.orgAccelerated Left-Handed DNA-PAINT Using Fluorogenic ProbesSingle-molecule localization microscopy (SMLM) techniques offer nanometer-scale resolution by stochastically localizing individual fluorescent molecules. Among these, DNA-mediated point accumulation f... 17415
Reposted by Raluca GrozaDavid Solecki @so-lets-kilab70.bsky.social · 05/05/2026Hey y’all 👋 repost magic appreciated. The Solecki lab is recruiting multiple postdocs at St. Jude for a chromatin imaging project at the edge of live-cell imaging, neuronal cell biology, chromatin regulation, and quantitative image analysis. Ever dreamed of touring chromatin like this? We CAN 🔥 57157
Reposted by Raluca GrozaBiointegrated Photonics Lab @schubertlab.bsky.social · 30/04/2026Optical sensing of biological #forces with #microlasers, now published in @opg.optica.org. Data from Melisa's master thesis, with additional cell data measured by David. So great to have a solid+soft material as alternative to oil droplet microlasers. doi.org/10.1364/OME.... (open access) 043
Reposted by Raluca GrozaMart Krupovic @mkrupovic.bsky.social · 22/04/2026"The selfish ribosome" paper is now published in @plosbiology.org . Have a look! Many thanks to the editors and reviewers! doi.org/10.1371/jour...journals.plos.orgThe selfish ribosomeIn this Essay, the evolution of life is construed as a ribosomal takeover, whereby the ribosome evolved to consume most of the cell’s resources, while other cellular componentry ensured the propagatio... 28544
Reposted by Raluca GrozaFran Bottanelli @franbottanelli.bsky.social · 21/04/2026Exciting to see this out in its final form! Wonderful work led by @probablycarmen.bsky.social. Want to know why protrusions are better at initiating immune signaling in #Tcells? Look no further. Link to Carmen’s 🧵 on the preprint bsky.app/profile/prob... 24719
Reposted by Raluca GrozaMichel Nivard @michelnivard.bsky.social · 18/04/2026Thinking about this more, the 2 and 3 year bans are real career killers… who’d hire a tenure track candidate, or an (associate) professor that has one of those hanging around their necks? 54113
Reposted by Raluca GrozabioRxiv Cell Biology @biorxiv-cellbio.bsky.social · 18/04/2026Phosphoregulated SMCR8-FIP200 interaction connects the ALS/FTD-linked C9orf72 complex to autophagy initiation and mitochondrial quality control www.biorxiv.org/content/10.64898/20… 022
Reposted by Raluca GrozaAlex Whitworth lab @labwhitworth.bsky.social · 05/01/2026Drosophila models have been highly useful in dissecting the physiological roles of PINK1 and Parkin in #mitophagy Led by 3 talented PhD students, we wrote a review summarising recent exciting discoveries and discussed these in context of current in vitro studies portlandpress.com/biochemj/art... 13018
Reposted by Raluca GrozaLeonardo Almeida-Souza @leonardoasouza.bsky.social · 17/04/20261/13 🧵 ‼️Preprint alert. Are you interested in synthetic protein binders? Do you need to generate them? I present to you IARA: a fast, slim ML model that tells you which protein surfaces are good for binder design. www.biorxiv.org/content/10.6...biorxiv.org 2146
Reposted by Raluca GrozaNature @nature.com · 13/04/2026PhD students reflect on how their supervisors made a meaningful difference — from quiet acts of kindness to career-shaping guidance go.nature.com/422vHhsgo.nature.com14 things our PhD supervisors got right and why it matteredPhD students reflect on how their supervisors made a meaningful difference — from quiet acts of kindness to career-shaping guidance. 04724
Reposted by Raluca GrozaMichael Lin, MD PhD @michaelzlin.bsky.social · 12/04/2026We're gearing up to generate iPSCs stably expressing ASAPs, and are compiling a list of potential users who might want these to study cell fate pathways for neurons or cardiomyocytes, or to perform drug screening. If these would be useful to you, please message me in the chat 122
Reposted by Raluca GrozaStella Hurtley @smhsci.bsky.social · 07/04/2026Out now in @science.org Pearling drives mitochondrial DNA nucleoid distribution | Science www.science.org/doi/10.1126/...science.orgPearling drives mitochondrial DNA nucleoid distributionThe distribution of mitochondrial DNA–containing nucleoids is essential for mitochondrial function and genome inheritance; however, no known mechanisms can explain nucleoid segregation or their regula... 14010
Reposted by Raluca GrozaKai Johnsson @kjohnsson.bsky.social · 26/03/2026A high-affinity split-HaloTag for live-cell protein labeling. And much more. www.nature.com/articles/s41...nature.comA high-affinity split-HaloTag for live-cell protein labelingNature Communications - Lin and colleagues present high-affinity split-HaloTag pairs for protein tagging and multiplexed labelling. This versatile system allows protein visualisation with diverse... 213353
Reposted by Raluca GrozaRaffaella De Pace @depaceraffa.bsky.social · 26/03/2026Take a look at our Research Highlight: Adriana Golding et al. www.nature.com/articles/s41... We highlight the work by Ghoochani et al., who generated an atlas of brain lysosomal proteins and identified SLC45A1-associated disease as a lysosomal disorder: www.cell.com/cell/fulltex... 094
Reposted by Raluca GrozaDepartment of Biology, ETH Zurich @eth-dbiol.bsky.social · 04/02/2026Cells drastically downregulate mRNA translation to save energy during stress. A study by the Weis lab (IBC) shows that mRNAs transcribed after stress escape repression while pre-existing mRNA don’t, in a timing mechanism that is independent of mRNA sequence. More: biol.ethz.ch/en/news-and-... 032
Raluca Groza @ralucag.bsky.social · 01/02/2026Interesting study about the gender gap in publishing. Not sure if 7% longer review time for female scientists is really something, but I do know that indeed we must prove competence more than our male counterparts journals.plos.org/plosbiology/...journals.plos.orgBiomedical and life science articles by female researchers spend longer under reviewWomen are underrepresented in academia, especially in STEMM fields, at top institutions, and in senior positions. This study analyzes millions of biomedical and life science articles, revealing that f... 020
Reposted by Raluca GrozaScience Magazine @science.org · 31/01/2026In a new #SciencePolicyForum, researchers discuss the risks of malicious “#AI swarms,” which enable a new class of large-scale, coordinated disinformation campaigns that pose significant risks to democracy. scim.ag/49FIhrM 36027
Reposted by Raluca GrozaNature Reviews Genetics @natrevgenet.nature.com · 31/01/2026FYI: New online! Whole-genome spatial transcriptomic imaging with RAEFISHdlvr.itWhole-genome spatial transcriptomic imaging with RAEFISHNature Reviews Genetics, Published online: 09 January 2026; doi:10.1038/s41576-025-00926-yIn this Tools of the Trade article, Yubao Cheng discusses the development of RAEFISH (reverse-padlock amplicon-encoding fluorescence in situ hybridization), a method that enables spatial transcriptomics with both single-molecule spatial resolution and genome-wide coverage. 051
Reposted by Raluca Grozaasamelson @asamelson.bsky.social · 28/01/2026After a long review process, I'm excited that our paper is finally in print: www.cell.com/cell/fulltex... TL;DR: We use CRISPR screens in iPSC-derived neurons to find a new tau E3 ligase and a relationship between oxidative stress, the proteasome, and tau proteolytic fragments. More below 👇cell.comCRISPR screens in iPSC-derived neurons reveal principles of tau proteostasisCRISPR screens in iPSC-derived neurons reveal that the E3 ubiquitin ligase CRL5SOCS4 ubiquitinates tau, that CUL5 expression is correlated with resilience in human Alzheimer’s disease, and that electr... 23811
Reposted by Raluca GrozaPLOS Biology @plosbiology.org · 26/01/2026Mitophagy is critical for cellular health & associated with multiple diseases. @baehreckelab.bsky.social &co show that the OMM protein Mtch regulates #mitophagy during #Drosophila intestinal development, by modulating the insertion of mitophagy receptor BNIP3 @plosbiology.org 🧪 plos.io/45uyBhg 1125
Reposted by Raluca GrozaNature Portfolio @natureportfolio.nature.com · 09/01/2026A study published in Nature Communications reveals that exposure to certain food preservatives, including potassium sorbate and sodium nitrite, correlates with a higher risk of developing type 2 diabetes. 🧪 go.nature.comAssociations between preservative food additives and type 2 diabetes incidence in the NutriNet-Santé prospective cohort - Nature CommunicationsExposure to twelve widely used preservative food additives are associated with a higher incidence of type 2 diabetes in the French NutriNet-Santé cohort of 108,723 adults, supporting recommendations to favour fresh and minimally processed foods 1239
Reposted by Raluca GrozaPeter O'Toole @yorkbioimaging.bsky.social · 09/01/2026Emotional - Uri Manor @manorlaboratory.bsky.social was so wonderfully open & an inspiration to listen on #TheMicroscopists Uri talks about growing up with hearing loss & a winding path through baseball-music-restaurant work led him to physics & then biology - pls share Stream bit.ly/microscopist...bit.lyThe Microscopists | Uri Manor (UC San Diego School of Biological Sciences)In this episode of The Microscopists, Uri Manor, Assistant Professor of UCSD, opens up about growing up with profound hearing loss and how, despite wanting nothing to do with becoming a scientist, ... 03113
Reposted by Raluca GrozaSam Lewis, Ph.D. @samlewis.bsky.social · 18/12/2025⚡️Mitochondria make ATP, the energy that powers life. But in neurons, with axons up to a meter long, how do these tiny power plants stay functional in the right places? We went looking. 1/n www.biorxiv.org/content/10.6...biorxiv.orgSelf-renewal of neuronal mitochondria through asymmetric divisionMitochondrial ATP production is essential for life. Mitochondrial function depends on the spatio-temporal coordination of nuclear and mitochondrial genome expression, yet how this coordination occurs ... 29343
Reposted by Raluca GrozaEvelina Tutucci @anilevetu.bsky.social · 09/11/2025#spatialgeneexpression #RNAlocalizatiom #RNAsky www.nature.com/articles/s41...nature.comSecretome translation shaped by lysosomes and lunapark-marked ER junctions - NatureLive-cell imaging of mRNA encoding secretome proteins and translated nascent peptide markers show that secretome translation occurs at endoplasmic reticulum junctions near lysosomes, requires lun... 0162
Reposted by Raluca GrozaUCL Faculty of Brain Sciences @uclbrainscience.bsky.social · 09/11/2025A team involving @uclqsion.bsky.social scientists has, for the first time, directly visualised and quantified the protein clusters believed to trigger Parkinson’s disease.the-independent.comParkinson’s breakthrough could unlock treatments for devastating diseaseScientists have developed a groundbreaking new technique to visualise the brain clusters that may trigger Parkinson’s 0125
Reposted by Raluca GrozaAlbert Dominguez Mantes @albertdm.bsky.social · 06/06/2025Spotiflow, our deep learning based spot detection method for microscopy, is now published in @natmethods.nature.com! Since the pre-print, we have added many features, notably native 3D detection! @maweigert.bsky.social @gioelelamanno.bsky.social @epfl-brainmind.bsky.social Paper: rdcu.be/epIB7 (1/N)rdcu.beSpotiflow: accurate and efficient spot detection for fluorescence microscopy with deep stereographic flow regressionNature Methods - Spotiflow uses deep learning for subpixel-accurate spot detection in diverse 2D and 3D images. The improved accuracy offered by Spotiflow enables improved biological insights in... 35524
Reposted by Raluca GrozaDr. Jean Fan @jef.works · 13/10/2025What is RNA velocity in situ? ChatGPT kept getting it wrong... So I made this video explaining how RNA velocity in situ infers gene expression dynamics by distinguishing nuclear vs. cytoplasmic expression in spatial transcriptomics data: youtu.be/z9Oxf1hvum0 #AcademicSkyyoutu.beRNA velocity in situ infers gene expression dynamics using spatial transcriptomics dataYouTube video by Prof. Jean Fan 2268
Reposted by Raluca GrozaAndré Nadler @nadlerlab.bsky.social · 09/10/2025Lipid imaging on the cover of @nature.com! Great times for lipid cell biology indeed. And a fantastic recognition of all the hard work by the team, especially Juan M. Iglesias-Artola and Kristin Böhlig (who made the cover). Link to article: www.nature.com/articles/s41... 916840
Reposted by Raluca GrozaJuan C. Landoni @jclandoni.bsky.social · 12/11/2024#StarterPack for the #Mitochondria research community! Very much a work in progress, comment below/reach out to be added! #Mito #Mitochondriac go.bsky.app/J6Bu5fL 358232
Reposted by Raluca GrozaAbhishek Chatterjee @achemsynbio.bsky.social · 02/10/2025Excited to share our work with Eranthie Weerapana and Tim van Opijnen, co-led by Conor Loynd, Soumya Roy, and Sarah Canarelli! We introduce a new generation of BONCAT tools for the versatile characterization of newly synthesized proteins in pathogenic bacteria. rdcu.be/eI4M5rdcu.beCell-selective multiplexed bioorthogonal noncanonical amino acid tagging for nascent proteomicsNature Chemical Biology - Engineered aminoacyl-tRNA synthetase (aaRS) mutants have been developed that facilitate ultrafast bioorthogonal noncanonical amino acid tagging (BONCAT) of newly... 0244
Reposted by Raluca GrozaMerja Joensuu @joensuulab.bsky.social · 01/10/2025🌟 Thrilled to share that my lab’s first publication is now out in @natmetabolism.nature.com. Congrats to the team 🎉 🧠 We discovered that neurons use endogenous fatty acids as an energy fuel, challenging long-standing models of sugars being the exclusive energy source for neurons. 1/3 44521
Raluca Groza @ralucag.bsky.social · 30/09/2025check out Nadja’s beautiful work on cytokinesis, many congratulations 👏👏 030
Reposted by Raluca GrozaNadja M. Hümpfer @nadjahuempf.bsky.social · 28/09/2025Now out on bioRxiv. 🥳My research on #cytokinesis, averaging thousands of #ExM images🔬, creating a dynamic atlas of cytokinesis 🦠⏳. Here's an animated sneak peek of what we found. Better resolution on bioRxiv😄 #PSFoftheGIF 27026
Reposted by Raluca GrozaJournal of Cell Biology @jcb.org · 15/09/2025SEPTIN9 locally activates the RhoGEF ARHGEF18 to promote early stages of mitochondrial fission, say Rachel Shannon, William Trimble and colleagues @sickkidsto.bsky.social @utoronto.ca: rupress.org/jcb/article/... #Cytoskeleton #Biochemistry #Mitochondria #septins 0125
Reposted by Raluca GrozaTatjana Kleele @tatjanakleele.bsky.social · 01/09/2025Join us at the LS2 Annual Meeting 2026 in Zürich! 031
Raluca Groza @ralucag.bsky.social · 21/08/2025many congratulations for such beautiful work André and co👏👏 110
Reposted by Raluca GrozaRichard Wubbolts @rwub.bsky.social · 02/08/2025www.biorxiv.org/content/10.1... Excellent Jasper van den Ende in Esther's lab @esthernoltethoen.bsky.social. Using Marvin's @marvintanenbaum.bsky.social SUNtag system to monitor EV cargo access to cytoplasm allows real time quantification of the process. #EV #extracellular vesiclesbiorxiv.orgDevelopment of a live-cell imaging assay to elucidate spatiotemporal dynamics of extracellular vesicle fusion with target cellsCells communicate via extracellular vesicles (EVs) containing functional RNAs, proteins and lipids. Knowledge on the fate of internalized EVs, especially their capacity to fuse with target cell membra... 092
Reposted by Raluca GrozaNature Cell Biology @natcellbio.nature.com · 02/08/2025🍹@mariamls.bsky.social et al. identify ER–mitochondria contact sites as the intracellular location where phospholipid peroxidation first occurs to promote ferroptosis. Manipulating these contact sites dictates #ferroptosis sensitivity in #BreastCancer. @agostinislab.bsky.social bit.ly/4l93AUWbit.lyEndoplasmic reticulum–mitochondria contacts are prime hotspots of phospholipid peroxidation driving ferroptosis - Nature Cell BiologySassano et al. identify endoplasmic reticulum–mitochondria contact sites as the intracellular location where phospholipid peroxidation first occurs to promote ferroptosis. Manipulating these contact s... 1296
Reposted by Raluca GrozaElisa Franco @francolab.bsky.social · 26/06/2025We demonstrated how to make and dissolve #RNA #condensates through strand displacement using synthetic genes - excited to see this new paper out in @narjournal.bsky.social Collab w/ the Andersen group @esandersen.bsky.social academic.oup.com/nar/article/...academic.oup.comSwitchable RNA motifs for dynamic transcriptional control of RNA condensatesAbstract. RNA-driven phase separation is emerging as a promising approach for engineering biomolecular condensates with diverse functionalities. Condensate 0237
Reposted by Raluca GrozaEwerslab @ewerslab.bsky.social · 23/06/2025Die Kürzungen sind ein absoluter Skandal, die Wissenschaft ist eine der grossen Stärken Berlins. Wir sidn eine der Besten Unis Deutschlands mit vergleichsweise wenig Mitteln, diese noch zu kürzen ist Wahnsinn. Wie sollen wir kompetitiv bleiben? Eine Abwärtsspirale droht. 172
Reposted by Raluca GrozaEwerslab @ewerslab.bsky.social · 18/06/2025Come all next week to the online seminar on "Imaging for Cell Biology" of the @dgz.bsky.social Tuesday June 24th at 12:00 on zoom, info see below. 032
Reposted by Raluca GrozaFran Bottanelli @franbottanelli.bsky.social · 28/05/2025Thank you @jcellsci.bsky.social, Sara Morais da Silva and Co for highlighting me as “cell scientists to watch”! It means a lot to me and I feel so honored as you guys are such a great community of amazing cell biologists! journals.biologists.com/jcs/article/...journals.biologists.comCell scientist to watch – Francesca BottanelliABSTRACT. Francesca Bottanelli is an Assistant Professor in the Department of Biochemistry at Freie Universität Berlin (Germany). Francesca graduated in Plant Biotechnology from the University of Mila... 05511
Reposted by Raluca GrozaHansi Weissensteiner @whansi.bsky.social · 22/05/2025Mitochondria Are More Than Powerhouses—They’re the Motherboard of the Cell great work by Martin Picard www.scientificamerican.com/article/why-...scientificamerican.comThe Hidden Social Lives of MitochondriaWhen these energy-giving organelles thrive, so do we 0156
Reposted by Raluca GrozaEwerslab @ewerslab.bsky.social · 09/05/2025The 2025 version of Biomembrane Days is online for registration! Sign up now, it is going to be spectacular as always! Looking forward to an outstanding lineup of speakers both invited and selected. We look forward to having experts in the Cell Biology and Biophysics of membranes! 1112
Reposted by Raluca GrozaTatjana Kleele @tatjanakleele.bsky.social · 14/04/2025Join us in Engelberg for an exciting #EMBO workshop on #mitochondria in the nervous system #EMBOmitoNervousSys. Great speaker line up and opportunities for short talks from early career scientists! Submit your abstract until May 30st! meetings.embo.org/event/25-mit... 11510
Reposted by Raluca GrozaNature Cell Biology @natcellbio.nature.com · 27/04/2025☕Chou et al. generate transdifferentiated human neurons from fibroblasts from young or aged individuals and patients with #Alzheimers. Studies of endolysosomes and proteostasis suggest a role for lysosomal quality control in Alzheimer’s disease pathology. bit.ly/4lSORPVbit.lyProteostasis and lysosomal repair deficits in transdifferentiated neurons of Alzheimer’s disease - Nature Cell BiologyChou et al. generate transdifferentiated human neurons from fibroblasts from young or aged individuals and patients with Alzheimer’s disease. Studies of endolysosomes and proteostasis suggest a role f... 13810
Reposted by Raluca Grozadbogani.bsky.social @dbogani.bsky.social · 25/04/2025Check out also our post to see how the @mrcharwell.bsky.social contributed to the work and what we think it will me for #preclinical in vivo studies and better #TranslationalResearch outcomes www.har.mrc.ac.uk/news/new-fra...har.mrc.ac.ukNew Framework Aims to Eliminate Sex Bias in Preclinical ResearchAn important new resource for researchers, reviewers, and funders has been developed with major contributions from the Mary Lyon Centre. A group of researchers and policy leaders from organisations in... 052