Reposted by Ryan HulettBen Parker @ben-parker.bsky.social · 21/09/2026Excited that our new paper with @henrylabsymbio.bsky.social and Kerry Oliver is out @pnas.org! We show that mobile genetic elements can spread adaptive host-benefiting traits across heritable insect symbionts on eco-evolutionary timescales.🧵 www.pnas.org/doi/10.1073/...pnas.orgPhenotypic divergence is driven by mobile genetic elements in a heritable insect symbiont | PNASHeritable microbes profoundly influence insect biology, yet the traits they confer often evolve rapidly and differ among closely related symbiont s... 411155
Reposted by Ryan HulettCnidarian developmental mechanisms group @clytia-vlfr.bsky.social · 19/09/2026Evidence collected by successive lab members over many years that neural cells in the Clytia larva have two origins: From 'i-cells' located in endoderm and by delamination of the gastrula ectoderm. doi.org/10.1242/dev.... @biodev-vlfr.bsky.social @annaferraioli.bsky.social 13711
Reposted by Ryan HulettSheri @sagrill.bsky.social · 19/09/2026Incredibly excited to share my new preprint! 🪰🧬 Ever wondered how germ cells can specify their fate without having a dedicated transcriptional program? We found that germ cells keep the uncommitted chromatin state of the early embryo www.biorxiv.org/content/10.6...biorxiv.orgDecoupling Transcription from Cell Fate Preserves Germ Cell TotipotencyOnly germ cells can give rise to a totipotent embryo, yet a conserved transcriptional program for germ cell identity remains elusive. Profiling Drosophila primordial germ cells (PGCs) across embryogen... 24214
Reposted by Ryan HulettArjuna Rajakumar PhD @arjunarajakumar.bsky.social · 19/09/2026So proud of my lab mate @sagrill.bsky.social (whose on the job market 👀) for this magnum opus from @remlehmann.bsky.social lab @whiteheadinstitute.bsky.social ScRNA-seq of 🪰 germ cells reveals new biology, answers age old questions, and proposes new paradigms! 1/8 www.biorxiv.org/content/10.6... 35928
Reposted by Ryan HulettLeslie B Vosshall PhD @leslievosshall.bsky.social · 18/09/2026Transformative opportunity for early career faculty @hhmi-science.bsky.social #FreemanHrabowski Scholars competition opens 11/3/2026 but you can get started NOW: view application components, establish eligibility, and unlock example applications and other resources www.hhmi.org/programs/fre...hhmi.orgEarly Career Faculty Program | Freeman Hrabowski Scholars | HHMIThe Freeman Hrabowski Scholars Program offers comprehensive support to outstanding early career faculty committed to scientific excellence in their own research, and to fostering labs that expand the ... 04841
Reposted by Ryan HulettJessica Goodheart @mollusksatamnh.bsky.social · 11/09/2026The Goodheart Lab is seeking a full-time Postdoctoral Fellow on an NSF-funded project to study the process of kleptocnidy, the theft and storage of nematocysts, in nudibranch mollusks. Project link: www.nsf.gov/awardsearch/...). Application here: careers.amnh.org/postings/4908.nsf.govAward Details - NSF Award SearchFind award details and explore award abstracts and publications. 12625
Reposted by Ryan HulettMarine Biological Laboratory @mblscience.bsky.social · 07/09/2026Happy #MicroscopyMonday! Check out this confocal image of #squid blood cells (known as hemocytes) from the hummingbird bobtail squid (Euprymna berryi). Imaged by student Yoon Chang during the 2026 Molecular and Cell Biology of Symbiosis course. 13110
Reposted by Ryan HulettICRS International Coral Reef Society @icrs.bsky.social · 05/09/2026The Status of Coral Reefs of the World: 2025 report is out! 📊🪸 Peer-reviewed by ICRS, it tracks global hard coral & macroalgae cover over 44 years. ➡️ Swipe for key takeaways! 💬 What’s happening on your local reefs? Share what you see below! 1149
Reposted by Ryan HulettOpen Box Science @openboxscience.bsky.social · 04/09/2026Julia Belk's talk is now on Youtube! www.youtube.com/watch?v=uUOL... Microglia replacement during human aging @juliabelk.bsky.social Paper: Somatic mutations reveal the ontogeny of microglia in human aging (Nature 2026)youtube.com[Julia Belk] Microglia replacement during human agingSpeaker: Julia Belk Title: Microglia replacement during human aging Paper: Somatic mutations reveal the ontogeny of microglia in human aging (Nature 2026) 1127
Reposted by Ryan HulettThibaut Brunet @thibautbrunet.bsky.social · 02/09/2026🚨 New preprint alert! 🚨 Choanoflagellates reorganize their global cytoskeletal architecture within seconds to explore confined microspaces. This is the main PhD work of the amazing @maitefreired.bsky.social www.biorxiv.org/content/10.6... A tread 🧵⬇️biorxiv.orgRapid repurposing of microvillar content drives a flagellate-to-amoeboid switch in the closest relative of animalsAnimal cells extensively remodel their cytoskeleton during differentiation and can notably switch between two major motility modes: flagellum-based swimming and actin-based crawling. We previously sho... 316677
Reposted by Ryan HulettStowers Institute @stowersinstitute.bsky.social · 21/08/2026🪼Jellyfish and anemones sting using some of the most complex cell-based venom systems in the animal kingdom. @mgstowers.bsky.social Lab postdoc @gelatinoussting.bsky.social is decoding how these stinging cells form, work rooted in 500+ million years of #evolution. 🔗Read more: bit.ly/3SsB74n 0167
Reposted by Ryan HulettGenetics Society of America @genetics-gsa.bsky.social · 06/08/2026🪱 A comparative analysis of sex determination in the hermaphrodite, Caenorhabditis tropicalis, shows how it differs from other Caenorhabditis species and illustrates how genetic pathways change during natural selection. Discover more in the August issue of #GENETICS 🔗 buff.ly/qXVSbgo 031
Reposted by Ryan HulettJames Gagnon @james-gagnon.bsky.social · 04/08/2026In a new (ish) preprint, we used CRISPR barcodes to label germline stem cell clones in zebrafish, then tracked their contributions to sperm production for 2 years. Instead of staying stable, individual clones rose, fell, and disappeared over time. www.biorxiv.org/content/10.6...biorxiv.orgClonal dynamics deviate from neutral drift in zebrafish spermatogenesisSpermatogonial stem cells (SSCs) maintain male fertility, but how their clonal dynamics change with age remains poorly understood. Here, we use in vivo CRISPR barcoding in zebrafish to label SSCs and ... 25721
Reposted by Ryan HulettMarine Biological Laboratory @mblscience.bsky.social · 05/08/2026Hidden in water collected from the MBL's own Waterfront Park, Whitman Fellows Takato Honda, Ph.D. and Daniel Cortes have discovered a new species of stentor: Stentor hondawara. 🔗 Full story here: go.mbl.edu/5xfcpj 0206
Reposted by Ryan HulettAllan Carrillo-Baltodano @allancarbal.bsky.social · 05/08/2026Right on time for #WormWednesday "Patterns of Autonomous and Conditional Neural Specification for the Brain and Ventral Nerve Cord in Annelida" onlinelibrary.wiley.com/doi/10.1111/... With Nicole @johnnyds.bsky.social @biyolokum.bsky.social Skyler and @neva-meyer.bsky.social #EvoDevo #DevBio 0164
Reposted by Ryan HulettMolecular Biology and Evolution @molbioevol.bsky.social · 13/07/2026@ironark.bsky.social et al. measured transcript abundance, ribosome-associated RNA, and protein abundance in bacterial endosymbionts, suggesting a mechanism for aberrant pseudogene-derived protein removal. 🔗 doi.org/10.1093/molbev/msag153 #societyjournal #evobio #molbio 153
Reposted by Ryan HulettRobertoFeuda @robertofeuda.bsky.social · 30/07/2026We're hiring 4 postdocs at @unibo.it to study nervous system evolution. Seeking expertise in single-cell genomics, molecular or developmental biology in ctenophores, cnidarians, echinoderms, flies or human stem cells. 2+2 yrs contract. Deadline: 26 Aug. Please share! bandi.unibo.it/s/apos7/proc...bandi.unibo.itProcedura di valutazione comparativa per titoli e colloquio per il conferimento di n. 4 contratti di ricerca presso il Dipartimento di Scienze Biologiche, Geologiche e Ambientali - SSD BIOS-04/A - GSD... 12825
Reposted by Ryan HulettGaspar Jekely @jekely.biologists.social.ap.brid.gy · 30/07/2026If you are interested in nervous system evolution you may want to read our review with Kei Jokura on nerve nets: "Revisiting nerve nets: functional organization and evolutionary implication" link.springer.com/article/10.1038/s… […] [Original post on biologists.social] 27230
Reposted by Ryan HulettMarc Robinson-Rechavi @marcrr.bsky.social · 29/07/2026New preprints! 1/3 Spider venom glands are modified salivary glands which have recruited appendage and myogenic programs from other the developmental programs of other organs. Led by Giulia Zancolli, with @yehumoran.bsky.social doi.org/10.64898/202... 12412
Reposted by Ryan HulettMoi Expósito-Alonso (MOILAB) @mexpositoalonso.bsky.social · 28/07/2026The prestigious Miller Research Postdoctoral Fellowship is open! University of California, Berkeley This is a postdoc fellowship with substantial support and independence to be hosted at a lab at Berkeley, reach out with interests! miller.berkeley.edu/nominate-app...miller.berkeley.eduMiller Research Fellowship | Miller Institute for Basic Research in Science 04761
Reposted by Ryan HulettAlex Eve @amjeve.uk · 26/07/2026Congratulations, @jeffreyafarrell.bsky.social, on winning the @socdevbio.bsky.social #2026SDB Elizabeth D. Hay New Investigator Award! Learn more about Jeff's science and career in his @dev-journal.bsky.social interview with @saanjbati.bsky.social.doi.orgTransitions in development – an interview with Jeffrey FarrellJeffrey Farrell is an Earl Stadtman Investigator at the Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD), USA, where he heads the Unit on Cell Specification and ... 25316
Reposted by Ryan HulettSociety for Developmental Biology @socdevbio.bsky.social · 04/07/2026A window into early development! 🔬✨ This 2-photon image of a Ciona neurula embryo reveals a nuclear SoxB1 reporter (grey) and a membrane Msxb reporter, color-coded along the anterior–posterior axis, highlighting the organization of the developing nervous system. 📷: Laurence Lemaire #FluoresceFriday 04711
Reposted by Ryan HulettNancy Moran @nancy-moran.bsky.social · 02/07/2026A step forward in discovering Buchnera's key to the aphid's heart, published today! Thanks to Jerry Maeda and other authors--a great team -- and to the helpful reviewers #SymbioSky doi: doi.org/10.1038/s415...doi.orgA secreted endosymbiont protein essential for colonizing host cells - NatureSyeA was present in the Buchnera ancestor, is secreted into the host cytoplasm, is homologous to secreted effectors of bacterial pathogens and is essential for Buchnera transmission. 210541
Reposted by Ryan HulettPhillip Cleves @pcleves.bsky.social · 02/07/2026Our work on the symbiont-containing organelle that supports coral reefs is published today. Also, new genetic tools to study symbiosis in both corals and Aiptasia. Great work by Shumpei Maruyama, Cat Henderson, and the rest of the fantastic team. #SymbioSky www.cell.com/cell/abstrac...cell.comCo-option of lysosomal machinery shapes the evolution of the intracellular photosymbiosis supporting coral reefsCorals harbor intracellular algal symbionts in specialized organelles that enable them to build diverse reef ecosystems. Corals and other cnidarians have repeatedly evolved this symbiosis through the ... 66423
Reposted by Ryan HulettGaurav Vaidya @gvaidya.bsky.social · 01/07/2026The first preprint from my PhD is out! :thread: How does an animal choose between two completely different reproductive fates? Here’s how one planarian does it :point_down: www.biorxiv.org/content/10.6...biorxiv.orgLife-cycle trajectory inference links temperature-gated progenitors to reproductive fateTemperature shapes reproductive strategies across animals, yet how individuals switch between sexual and asexual reproduction remains unknown. We establish the planarian Phagocata morgani as a model f... 13715
Reposted by Ryan HulettStowers Institute @stowersinstitute.bsky.social · 25/06/2026🎉 Congrats to @mgstowers.bsky.social postdoc @hrhorkan.bsky.social on receiving a prestigious @wellcometrust.bsky.social Early-Career Award! The award will support Helen as she takes the first steps toward launching her independent research program at @uniofexeternews.bsky.social: bit.ly/3SkKEtZbit.lyStowers Postdoc honored with Wellcome Early-Career AwardThe highly competitive award will help Helen R. Horkan, Ph.D., a Stowers Institute postdoctoral researcher, take the first steps to launch her independent… 0103
Reposted by Ryan HulettMolecular Biology and Evolution @molbioevol.bsky.social · 09/06/2026Guttieres et al. suggest that core molecular interactions of the cadherin–catenin complex are conserved in ctenophore Mnemiopsis leidyi, suggesting this was an ancestral trait foundational to the evolution of multicellular animals. 🔗 doi.org/10.1093/molbev/msag123 #evobio #molbiodoi.orgEvidence for an early cadherin–catenin interaction network in ctenophoresAbstract. The cadherin–catenin complex (CCC) is a calcium-dependent assembly that is essential for the organization and function of animal cells and tissue 0186
Reposted by Ryan HulettTessa Montague @tessamontague.bsky.social · 06/06/2026Do you know an outstanding aquarist? We're hiring a Senior Aquarist to help run our cephalopod facility at Columbia University. Our team maintains a colony of 250+ cuttlefish, develops new husbandry techniques (inc transgenics) & studies cuttlefish camouflage and social behavior. 1/3 [Pls repost!] 9395188
Reposted by Ryan HulettEvoDevo PanAm @evodevopanam.bsky.social · 10/04/2026Join us 🌟 #EvoDevoMondays 🗓️April 13, 2026 ⏰10am PDT/1pm EDT Speakers 🐌Luiza de Oliveira Saad 🐤 João Francisco Botelho Register here: docs.google.com/forms/d/e/1F... @the-node.bsky.social @latinxdb.bsky.social @lasdb.bsky.social 086
Reposted by Ryan HulettAide Macias-Muñoz @aidemm.bsky.social · 10/04/2026I am excited to share these results that are now published. Lab researcher Kelso Cochran solved a big problem in the field and optimized a protocol to increase Hydra egg yield in the lab. www.frontiersin.org/journals/eco...frontiersin.orgFrontiers | Optimizing egg production by trait selection and starvation in Hydra vulgarisHydra vulgaris is considered an effectively immortal freshwater cnidarian. As a sister group to all Bilateria, studies of cnidarian genomes offer valuable ev... 3156
Reposted by Ryan HulettDr. Lauren E. Fuess @laurenfuess.bsky.social · 08/04/2026Update: I am definitely hiring 2 PhD students; preference to those who can start spring 2027, but reach out if you’re looking to start in Fall 27. Want to start earlier? Reach out and we can talk about technician positions starting as early as this summer. 11017
Reposted by Ryan HulettNat Clarke @natclarke.bsky.social · 01/04/2026I'm hiring! I have 2 open positions: 🔬 Postdoc 🧪 Research associate We study how animal multicellularity evolved by exploring the molecular logic of cell adhesion using cell biology, 'omics, and tool-building in non-model organisms. Come join us! Details and application links 👇 Please repost 27267
Reposted by Ryan HulettMultiplEye Lab @multipleye-lab.bsky.social · 24/03/2026If you'd be interested in a postdoc with us using CT scans of trilobite eyes to model their visual abilities, watch this space...! 0108
Reposted by Ryan HulettDr. Lauren E. Fuess @laurenfuess.bsky.social · 20/03/2026Hi folks, there is a high likelihood I will be recruiting 1-2 PhD students to start in Spring 2027. Trying to get the word out early; please share broadly with your networks and encourage your students to reach out early. Info can be found on my webpage. fuesslab.wp.txstate.edu/opportunities/fuesslab.wp.txstate.eduopportunities – Symbiommunity Lab 11821
Reposted by Ryan HulettGladstone Institutes @gladstoneinst.bsky.social · 02/03/2026Final week to apply! PUMAS is designed specifically for community college students ready to gain hands-on research experience at Gladstone. Don’t miss this opportunity to spend your summer in the lab learning from world-class scientists. Apply now ➡️ bit.ly/2UVIaST 012
Reposted by Ryan HulettHarvard_MCB @harvardmcb.bsky.social · 02/03/2026Wendy Valencia Montoya Receives Weintraub Graduate Student Award for Groundbreaking Thesis on the Evolution of Sensory Worlds 🧠 🧪🧬 #AcademicSky #higherEd www.mcb.harvard.edu/department/n... @nbellono.bsky.social @rachellegaudet.bsky.social @basicsci.fredhutch.org @harvardoeb.bsky.socialmcb.harvard.eduWendy Valencia Montoya Receives Weintraub Graduate Student Award for Groundbreaking Thesis on the Evolution of Sensory Worlds - Harvard University - Department of Molecular & Cellular BiologyWendy Valencia Montoya has been named a recipient of the prestigious 2026 Harold M. Weintraub Award in recognition of her doctoral thesis, an ambitious and interdisciplinary body of […] 0248
Reposted by Ryan HulettPhillip Cleves @pcleves.bsky.social · 02/03/2026To increase the use of gene editing in corals, we have made a comprehensive methods paper describing the protocol. We hope this helps the field of functional genetics in corals. www.nature.com/articles/s41...nature.comEfficient genome editing using CRISPR–Cas9 in reef-building corals - Nature ProtocolsIn this protocol, the authors present straightforward and efficient methods to genetically modify corals and study gene function throughout various life-history stages using CRISPR–Cas9-based mutagene... 24618
Reposted by Ryan HulettDr. Carly Kenkel @drcarl.bsky.social · 24/02/2026Calling all researchers working on *Genomics of Adaptation to Extreme Thermal Environments* I'm serving as a guest editor of an upcoming collection in BMC Genomics and am eager to read your submission! More on scope and how to contribute here: bit.ly/4kH3PIx 🧪 @springer.springernature.combit.lyGenomics of adaptation to extreme thermal environmentsAs climate change continues to influence ecosystems around the globe, understanding the genomics of adaptation to hot and cold environments is becoming ... 0127
Reposted by Ryan HulettCarrie Adler @carrieadler.bsky.social · 28/01/2026Our new paper reveals critical new regulators of stem cell differentiation that control where the right kinds of cells are made in planarians. In particular, we find Anosmin—a gene responsible for Kallmann Syndrome—as a restrictor of neurogenesis. www.nature.com/articles/s41... #basicresearch 12410
Reposted by Ryan Hulett📑 EvoDevo Papers @evodevo-papers.bsky.social · 14/01/2026Establishment of a transgenic protocol in Trichoplax adhaerens pubmed.ncbi.nlm.nih.gov/41493084 #EvoDevo 011
Reposted by Ryan HulettThibaut Brunet @thibautbrunet.bsky.social · 12/01/2026Our research scientist Núria Ros-Rocher won the 1st prize @zeiss-microscopy.bsky.social microscopy contest with this beautiful choano colony www.zeiss.fr/microscopie/... 🥳 C. flexa might not yet be a genetic model, but it is now at least a calendar model, which counts for something. I think. 411718
Reposted by Ryan Hulettimaeso.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
Ryan Hulett @ryanehulett.bsky.social · 07/01/2026Shout out to the fellow Olga Raikova stan last night 010
Reposted by Ryan HulettAide Macias-Muñoz @aidemm.bsky.social · 06/01/2026Happening today at 2:30 pm #sicb2026 031
Reposted by Ryan HulettAide Macias-Muñoz @aidemm.bsky.social · 05/01/2026Interested in transposable elements, genome evolution, and jellyfish? Be sure to check out graduate student Ayanna Mays’ talk TODAY at 11:45 in B114 (first SICB talk!) #SICB2026 073
Reposted by Ryan HulettCarl T. Bergstrom @carlbergstrom.com · 02/01/2026"I don’t know why my fellowship was terminated. I suspect that it has something to do with studying a species that doesn’t fit the binary of what we expect to see in nature, with completely different males and females." @carlzimmer.com profiles my wonderful coauthor @jjinsing.bsky.social Gift link.nytimes.comHe Studied Why Some Female Birds Look Like Males 10578182