Reposted by Ferdinand MarlétazAaron Becker @aaronjbecker.bsky.social · 29/09/2026The average colour of Europe, one day at a time for two years. Scandinavia and the Alps turn white every winter, the green rolls north through spring, and Spain, Italy and Greece bake gold all summer. Data: NASA MODIS, Eurostat GISCO #dataviz #maps #Europe 1256
Reposted by Ferdinand MarlétazCNRS @cnrs.fr · 27/09/2026Les chauves-souris présentent l’une des plus incroyables trajectoires d’évolution chez les mammifères. On en connaît plus de 1500 espèces ! Comment cette diversité est-elle apparue ? Pour le savoir, direction les grottes et les forêts de Trinité-et-Tobago. Reportage avec lemonde.frlejournal.cnrs.frLes chauves-souris, laboratoires de l’évolution 06225
Reposted by Ferdinand MarlétazAlex de Mendoza @alexdemendoza.bsky.social · 25/09/2026For those of you who, like me, missed the Vatican #EvoDevo: www.pas.va/en/events/20..., don't worry, there will be a more earthly local version next week (Friday) in Cambridge Dept of Zoology, program here: londonevodevo.co.uk. Can't promise cardinal vestments in the background though. 2307
Ferdinand Marlétaz @ferdix.bsky.social · 24/08/2026Glad to report the release/publication of PESCI, an efficient tools implementing ICC for interspecfic comparison of single cell dataset developped by #Eliseparey in the lab with the help of #laurapiovani github.com/eparey/pesci doi.org/10.1093/bioi...doi.orgPesci: fast and user-friendly software to compare single-cell gene expression across speciesAbstractSummary. Recent technological advances have propelled comparative functional genomics into the single-cell era, spurring a rapid development of met 074
Reposted by Ferdinand MarlétazSpringer Nature @springernature.com · 20/08/2026An orange-tailed marsh dart damselfly peering through a leaf has won the 2026 BMC Ecology and Evolution and BMC Zoology image competition. The annual contest showcases the beauty of biodiversity and the science behind its conservation: spklr.io/63325ERtjJ #envecon #biodiversity 0138
Reposted by Ferdinand MarlétazAlex de Mendoza @alexdemendoza.bsky.social · 06/08/2026The #LondonEvoDevo goes to Cambridge! Kindly hosted by @emiliapsantos.bsky.social, mark on your calendars *October 2nd* at the Main Theatre in the Department of Zoology (Cambridge). Registration (£0.00): docs.google.com/forms/d/e/1F.... All welcome to present: #PI #PhD #PostDocs, submit abstracts!docs.google.comLondonEvoDevo meeting - October 2026This event will take place on Friday October 2nd, 2026, at the Department of Zoology (Main Lecture Theatre), University of Cambridge, Downing Street CB2 3EJ, 12:30 - 18:30. There will be no posters, ... 03732
Reposted by Ferdinand MarlétazAlex de Mendoza @alexdemendoza.bsky.social · 03/08/2026Sailing in @biorxivpreprint.bsky.social ready for summer, our study on the iconic Portuguese man o' war 🪼 is out: www.biorxiv.org/content/10.6.... We use (epi)genomics to understand a critter that fascinates me since childhood. Massive team effort with @obog.bsky.social, Cummins and Neely groups. 🧵 810355
Reposted by Ferdinand Marlétazgenikhovich.bsky.social @genikhovich.bsky.social · 18/06/2026Congratulations to @kremnyovs.bsky.social, @tclebedeva.bsky.social and @hejnol.bsky.social - this is a fantastic paper. www.nature.com/articles/s41... Very happy to have been part of this collaboration.nature.comA blastoporal organizer in a ctenophore - NatureExperiments using the comb jelly Mnemiopsis leidyi and the sea anemone Nematostella vectensis reveal that the emergence of a core signalling pathway may have been a key innovation enabling the transit... 1409
Reposted by Ferdinand MarlétazAlex de Mendoza @alexdemendoza.bsky.social · 02/06/2026Capolavoro 🎨 alert 🚨! What is the role of gene body methylation in invertebrates? Despite extensive speculation linking it to plasticity and environmental responses, its mechanistic effects and heritability remain unclear. Our take out in @natecoevo.nature.com: www.nature.com/articles/s41... 1/nature.comGene body methylation suppresses intragenic transcription and permits epigenetic inheritance in a cnidarian - Nature Ecology & EvolutionExperiments in the cnidarian Nematostella vectensis show a role of gene body methylation in transposable element suppression and that epigenetic inheritance is constrained by chromatin context and tra... 611058
Reposted by Ferdinand MarlétazRyan N. Felice @rnf.bsky.social · 01/06/2026Hey look: A job! @echinerd.bsky.social and I are looking for a research technician to work on sea urchin development. If you are good at segmenting CT scans and want a chance to work on some super cool organisms, this job here at UCL is for you! apply now: bit.ly/4o2qccY 12525
Reposted by Ferdinand MarlétazElizabeth Beston @elizabethbeston.bsky.social · 23/05/2026Had a smasheroony time at Walton-on-the-Naze with my fellow microscopy nerds today. I’m putting together a little reel about it. But in the meantime, here’s an amuse bouche… I saw a phoronid larva (horseshoe worm) with tentacles! The first time! #marineplankton 🦑 #zooplankton 2387
Reposted by Ferdinand MarlétazRaphaël Clément @raphclement.bsky.social · 22/05/2026Our work on Trichoplax locomotion and mechanosensing capabilities is out now in @currentbiology.bsky.social. Congrats Marvin Leria & all co-authors! authors.elsevier.com/c/1n8Ig3QW8S... 48335
Reposted by Ferdinand MarlétazChema Martin @chemamd.bsky.social · 19/05/2026🚨 We discovered a new mode of Hox gene regulation in annelids! 🪱 A distal enhancer acts as a "global control region", lifting Hox genes from Polycomb repression. This is reminiscent of Hox gene control in vertebrates, but the two modes likely evolved convergently. www.biorxiv.org/content/10.6... 313655
Reposted by Ferdinand Marlétazsandraduharcourt.bsky.social @sandraduharcourt.bsky.social · 06/05/2026Please join the upcoming Jacques Monod Conference on the mechanistic and evolutionary basis of programmed DNA elimination in Roscoff, France. Deadline for abstract submission extended to May 20, 2026. cjm.sb-roscoff.fr/en/conferenc...cjm.sb-roscoff.frThe mechanistic and evolutionary basis of programmed DNA elimination | CNRS - Conférences Jacques Monod (CJM) 098
Reposted by Ferdinand MarlétazSchmidt Ocean Institute @schmidtocean.bsky.social · 04/05/2026What do shrimp see? “These guys have completely different eye designs,” according to Dr. Jan Hemmi, a visual neurobiologist. Their large eye size tells Dr. Hemmi and his colleagues that eyes are pretty important to these animals. #designingthefuture3 Read more: www.linkedin.com/feed/update/... 311833
Reposted by Ferdinand MarlétazSecret Mode - Chained Together 2v2 Race OUT NOW! @wearesecretmode.com · 26/04/2026Did you know that today is #InternationalCrabDay? 🦀 Started by The Crab Museum, this holiday encourages people to share photos of crabs so we’d love to see the Crabby Darwins you’ve created in Everything is Crab! Here's one I made earlier… 1135
Reposted by Ferdinand MarlétazMichalis Averof @michalis-averof.bsky.social · 19/04/2026Finding molecular tags that localise fluorescent proteins to the cell membrane was the goal of our latest paper, now published in Development @dev-journal.bsky.social. The tags act as address labels, sending proteins to the cell membrane, where they highlight the shape and arrangement of cells. 2/9journals.biologists.comTargeting the cell membrane in established and emerging model organismsSummary: Screening a toolkit of diverse membrane-localising tags identifies candidates that efficiently localise proteins to the plasma membrane in a wide range of animals and choanoflagellates. 25519
Reposted by Ferdinand MarlétazDevelopmental Biology @devbiol.bsky.social · 14/04/2026#DBfeature #InHoxWeTrust 🪲 Divergent Hox cluster arrangement in horned beetles retain conserved embryonic and adult expression patterns. by Erica Nadolski, Isabel Manley, Sukhmani Gill, Armin Moczek @ericanadolski.bsky.social tinyurl.com/ycxabrh5 0139
Reposted by Ferdinand MarlétazAlex de Mendoza @alexdemendoza.bsky.social · 10/04/2026Last day to submit an abstract! This is a meeting aimed at all career stages, but especially geared on early career scientists (PhD/postdoc), don't feel you need to have a perfectly polished story to present! 088
Reposted by Ferdinand MarlétazNicholas Bellono @nbellono.bsky.social · 02/04/2026Pablo Villar et al discover male octopus mating arms are sensory organs used to find females, navigate internally to the oviduct & deliver sperm. From behavior to structure, these findings offer a framework for how sensory systems shape reproduction & species barriers www.science.org/doi/10.1126/... 59331
Reposted by Ferdinand MarlétazAlex de Mendoza @alexdemendoza.bsky.social · 02/04/2026Nice opportunity to join QMUL as a PhD student (or postdoc). Lee works on cool insect symbiosis projects, and I am co-supervisor on this one. Don't miss it if you're into microbiome / host-microbe interactions. 041
Reposted by Ferdinand MarlétazAlex de Mendoza @alexdemendoza.bsky.social · 23/03/2026May 5th: if you are around London, please join the London #EvoDevo symposium at QMUL / Charterhouse campus, as usual we will have selected talks and post-event 🍻. A warm up for #EED2026 in Glasgow. Registration £0, more info here: londonevodevo.co.uklondonevodevo.co.ukLondonEvoDevomeeting's website 02618
Reposted by Ferdinand MarlétazAndrew Rambaut (🐏🎀) @arambaut.bsky.social · 28/02/2026So I pleased to announce the conceptual spawn of FigTree: PearTree (acronym still to be finalised). If you want to dive right in it is hosted as a web app here: artic-network.github.io/peartree (click the “Example...” button for immediate candy and then click every button you can find).artic-network.github.ioPearTree — Phylogenetic Tree Viewer 5166101
Reposted by Ferdinand MarlétazFabrizio Ghiselli 🧬 🐜🦪 @fghiselli.bsky.social · 04/02/2026BMC Biology is currently welcoming submissions of original research to the “Genome organization and evolution” Collection, which I am supporting as a Guest Editor. If interested check out the link: www.biomedcentral.com/collections/... Deadline: 26 March #GenomeEvolution @bmc.springernature.com 043
Reposted by Ferdinand Marlétazimaeso.bsky.social @imaeso.bsky.social · 07/01/2026Our work on the evolution of the regulatory genome of echinoderms is now out in @natecoevo.nature.com. Led by my former PhD Marta Magri, Danila Voronov & Saoirse Foley. Great collaboration of Arnone, Hinman & Maeso labs, started long time ago with our missed José Luis Gomez-Skarmeta: rdcu.be/eXX8lrdcu.beDeep conservation of cis-regulatory elements and chromatin organization in echinoderms uncover ancestral regulatory features of animal genomesNature Ecology & Evolution - Analysis of the 3D chromatin architecture and cis-regulatory elements in a sea urchin and a sea star reveals mechanisms of 3D chromatin organization in echinoderms... 77132
Reposted by Ferdinand MarlétazCamille Berthelot @camilleberthelot.bsky.social · 17/12/2025Anouk Necsulea, @maelledaunesse.bsky.social and myself are organising a symposium at SMBE this year. Send us all of your abstracts!! 053
Reposted by Ferdinand MarlétazLionel Christiaen, PhD (he/him/his) @lionlchristiaen.bsky.social · 08/12/2025Very happy to see this piece on the Tunicate Ciona published. Grateful to @alexandrejan.bsky.social and @chiaracastelletti.bsky.social for the Illustrations, and to @natmethods.nature.com for the opportunity to showcase our ever emerging model organism www.nature.com/articles/s41...nature.comThe tunicate Ciona - Nature MethodsThe ascidian tunicate Ciona, one of the closest relatives of the vertebrates, inhabits shallow temperate waters in the worldwide ocean. A unique combination of simple stereotyped embryogenesis, regula... 04513
Reposted by Ferdinand MarlétazAlex de Mendoza @alexdemendoza.bsky.social · 18/11/2025Out today, our take on 6-methyladenine #6mA evolution in Eukaryotes @natgenet.nature.com. We asked a simple question, is really DNA 6mA common across the eukaryotes? The answer is "yes" if you're a unicellular eukaryote 🦠, not so if you're multicellular 🐝🌱🍄. www.nature.com/articles/s41... 1/9nature.comAdenine DNA methylation associated with transcriptionally permissive chromatin is widespread across eukaryotes - Nature GeneticsLong-read sequencing in 18 unicellular eukaryotes reveals that 6mA is widespread across eukaryotes and is enriched at transcriptionally permissive regions, which are also marked by H3K4me3. 716586
Reposted by Ferdinand MarlétazChristophe Dessimoz @dessimoz.bsky.social · 23/10/2025Gene annotations matter for downstream analyses: different structural gene-annotation pipelines yield markedly different orthology calls. We compare four strategies across species and argue for standards & QC before inference. Work led by @silviaprietob.bsky.social. Paper: doi.org/10.1093/bioi... 1145
Reposted by Ferdinand MarlétazYi-Jyun Luo @yjluo.bsky.social · 07/11/2025Pleased to share our latest paper led by @tomlewin.bsky.social, now out in @currentbiology.bsky.social! We present the first chromosome-level genome of a phoronid and show that shared chromosomal fusions unite phoronids and bryozoans as sister groups. www.cell.com/current-biol... 76230
Reposted by Ferdinand MarlétazCharlie Hebdo @charliehebdo.fr · 01/11/2025 Laurent Joly, historien. « L’union des droites on l’a déjà eue, c’est le gouvernement de Vichy »charliehebdo.frLaurent Joly, historien. « L’union des droites on l’a déjà eue, c’est le gouvernement de Vichy »Charlie Hebdo : Vous écrivez dans votre conclusion que la digue entre l’extrême droite pétainiste et la droite républicaine pourrait bientôt céder. Quels en sont les signaux ?Laurent Joly : Cette digue s’est formée au lendemain de la guerre. La droite nationaliste et l’extrême droite, compromises dans Vichy et le collaborationnisme, étaient complètement délégitimées après […] 0237
Reposted by Ferdinand MarlétazAlex de Mendoza @alexdemendoza.bsky.social · 20/10/2025Come join the #LondonEvoDevo network half day meeting, hosted at @ucl.ac.uk on Friday November 7th, 2025. Submit your abstract by Oct 27th (or your interest in joining) here: forms.gle/TRbdrCkQTcY2.... Friendly vibes and free registration. More info here: londonevodevo.co.uk.londonevodevo.co.ukLondonEvoDevomeeting's website 01816
Reposted by Ferdinand MarlétazQuanta Magazine @quantamagazine.org · 08/10/2025Adding loops into a genome is a complicated and costly business for a cell. New findings suggest that it may be the reason that ancient life became complex. @philipcball.bsky.social reports: www.quantamagazine.org/loops-of-dna...quantamagazine.orgLoops of DNA Equipped Ancient Life To Become Complex | Quanta MagazineNew work shows that physical folding of the genome to control genes located far away may have been an early evolutionary development. 0225
Reposted by Ferdinand MarlétazAlex de Mendoza @alexdemendoza.bsky.social · 14/08/2025Chaetognaths have lost gene body methylation and shifted #5mC back to Transposable Elements. This reversion to the ancestral state is coupled with a simplification of DNMT3 architecture. We posit that trans-splicing might compensate. It is an honour to have contributed to this 20y struggle ⛰️. 25112
Reposted by Ferdinand MarlétazNature @nature.com · 13/08/2025A genome sequence and single-cell atlas of a marine worm species point towards bursts of gene emergence, duplication and loss as the drivers of lineage-specific body traits go.nature.com/4oAI2nfgo.nature.comThe perplexing body plan of arrow worms decodedA genome sequence and single-cell atlas of a marine worm species point towards bursts of gene emergence, duplication and loss as the drivers of lineage-specific body traits. 04614
Reposted by Ferdinand MarlétazQueen Mary School of Biological and Behavioural Sciences @qmulsbbs.bsky.social · 13/08/2025New Nature study (co-authored by Queen Mary researchers) reveals that arrow worms evolved unique organs by inventing brand-new genes — not just reusing old ones. 🧬🌊 🔗 www.qmul.ac.uk/sbbs/news/it... @qmulse.bsky.socialqmul.ac.ukCracking the Genetic Code of Arrow Worms: How Chaetognaths Got Their Unique Body Plan 032
Ferdinand Marlétaz @ferdix.bsky.social · 13/08/2025After nearly twenty years in the making, our attempt at understanding what makes the chaetognath phylum so unique has finally been published! www.nature.com/articles/s41... with #LauraPiovani @dariagavr.bsky.social @alexdemendoza.bsky.social @chemamd.bsky.social and others /1nature.comThe genomic origin of the unique chaetognath body plan - NatureGenomic, single-cell transcriptomic and epigenetic analyses show that chaetognaths, following extensive gene loss in the gnathiferan lineage, relied on newly evolved genes and lineage-specific tandem ... 711949
Reposted by Ferdinand MarlétazNature @nature.com · 31/07/2025This surprisingly relaxing footage is from SIX MILES under the ocean – and it’s the deepest ecosystem yet discovered 427140943395
Reposted by Ferdinand MarlétazEileen Furlong @eileen-furlong.bsky.social · 30/07/2025To all post-docs: The Genome Biology dept @embl.org has an Independent faculty position. Fantastic place to set up your lab –great package: core funding, fantastic Ph.D. students, cutting edge core facilities & great colleagues. Closing date Sept 19th embl.wd103.myworkdayjobs.com/en-US/EMBL/j...embl.wd103.myworkdayjobs.comGroup Leader - Genome Biology UnitAre you ready to lead groundbreaking research in Genome Biology? Join us at EMBL! We are seeking a motivated scientist to lead an independent research group addressing exciting and original biological... 0193225
Reposted by Ferdinand MarlétazAlex de Mendoza @alexdemendoza.bsky.social · 28/07/2025Happy to see our latest work out in @molbioevol.bsky.social. We revisit the evolution of 5-methylcytosine across neglected eukaryotic supergroups, establishing an ancestral repressive role silencing genome invaders, both transposons and viral elements👾: academic.oup.com/mbe/advance-... 🧵 1/7academic.oup.comRepressive cytosine methylation is a marker of viral gene transfer across divergent eukaryotesAbstract. Cytosine DNA methylation patterns vary widely across eukaryotes, with its ancestral roles being understood to have included both transposable ele 610151
Reposted by Ferdinand MarlétazSergio Menchero @sermenchero.bsky.social · 24/07/2025Thrilled to share that our latest work on marsupial heterochrony is now online at @cp-devcell.bsky.social @cellpress.bsky.social @lab-turner.bsky.social @crick.ac.uk We used scRNAseq to understand the asynchronous progression of developmental programmes in marsupials www.cell.com/developmenta...cell.comMarsupial single-cell transcriptomics identifies temporal diversity in mammalian developmental programsMenchero et al. generate a single-cell transcriptomic atlas in the opossum and show rapid progression of transcriptional programs in specific tissues relative to morphological landmarks. This shift in... 117633
Reposted by Ferdinand MarlétazMax Telford @maxjtelford.bsky.social · 11/07/2025Is the deuterostome clade an artifact??? New paper with first author @anaserrasilva.bsky.social, Laura Piovani, Paschalis Natsidis and project co-led by Paschalia Kapli. www.sciencedirect.com/science/arti... 0278
Reposted by Ferdinand MarlétazTrends in Genetics @cp-trendsgenetics.bsky.social · 10/07/2025"Animal origins: Looping back in time" by Omar Matar & Ferdinand Marlétaz (@ferdix.bsky.social) This is a Spotlight on new work that helps answer the question, "how did the chromatin folding mechanisms controlling gene regulation emerge during animal evolution?" Check it out: rb.gy/k53o8p 0105
Reposted by Ferdinand MarlétazAllan Carrillo-Baltodano @allancarbal.bsky.social · 10/07/2025Tomorrow we'll welcome the EvoDevo community from UK and beyond @qmulsbbs.bsky.social @qmulse.bsky.social , organised by @chemamd.bsky.social @margaridamcm.bsky.social @ferdix.bsky.social @alexdemendoza.bsky.social , Roman Arguello and James Difrisco. Poster by former lab member Giacomo Mogglioli 1215
Reposted by Ferdinand MarlétazImran Rahman @imranrahman.bsky.social · 26/06/2025Delighted to share our paper in @currentbiology.bsky.social iology.bsky.social with a palaeo-evo-devo perspective on the evolution of symmetry in echinoderms. Led by Steffi Woodgate with Frankie Dunn, @echinerd.bsky.social, @laurentformery.bsky.social & Sam Zamora www.cell.com/current-biol...-5cell.comA new Cambrian stem-group echinoderm reveals the evolution of the anteroposterior axisWoodgate et al. describe a new bilaterally symmetrical echinoderm, Atlascystis acantha, from the Cambrian of Morocco. Comparisons of plate growth with other echinoderms reveal that Atlascystis possess... 811044
Reposted by Ferdinand MarlétazChris Mah @echinoblog.bsky.social · 24/06/2025Whoa. Stunning Man o War- Physalia image via @K_theHermit 0121
Reposted by Ferdinand MarlétazATLASea @atlasea.bsky.social · 21/06/2025ATLASea Mission – Day 6 In the dissection room, the final sampling steps are underway 🔬 Tissue fragments are collected, labeled, weighed, and logged into a data sheet for full traceability ❄️ Samples are flash-frozen in liquid nitrogen at -196°C to preserve DNA quality for sequencing at Genoscope 044
Reposted by Ferdinand MarlétazUri Frank @thecocodium.bsky.social · 20/06/2025I am looking for a new postdoc to join the lab. Interested in pluripotency, germ cells, and in investigating these in a genetically tractable cnidarian? Get in touch! We offer a long-term contract, excellent research environment, and a lovely city #Galway. www.urifranklab.org 15335
