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Nat Clarke

@natclarke.bsky.social
1.1K followers 490 following 59 posts

Assistant Prof @univmiami.bsky.social. Cellular and Developmental Biology / Evo-Devo / Animal Multicellularity / Cell adhesion. Lover of weird invertebrates. Learn more: clarkelab.com

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Reposted by Nat Clarke
Kacy Gordon @kacylynn.bsky.social · 28/09/2026
JOB ALERT: UNC Bio is hiring 2 tenure track assistant profs doing molecular, cell, and dev bio. The search is intentionally broad, so please share widely and spread the word! Find more information and apply here: unc.peopleadmin.com/postings/325... Application review begins Nov 1.
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Tessa Montague @tessamontague.bsky.social · 29/09/2026
I'm excited to share our new preprint: Generation of a transgenic cephalopod tinyurl.com/pc86jxz8 Cephalopods (cuttlefish, octopus & squid) are crazy critters that dynamically camouflage to their surroundings by changing the color, pattern, & texture of their skin, which they control w their brain.
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Mark Peifer (He, him) @peiferlabunc.bsky.social · 28/09/2026
Are you looking for a postdoc exploring the cell biology of development, defining how cells change shape and move? Do you want to develop a research program & teaching skills preparing you for a position at a college or small University? Our new NIH grant will support those goals 1/n Please share
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Iñaki Ruiz-Trillo @multicellgenome.bsky.social · 28/09/2026
We have a new branch in the family tree of animals: Atreyea- a previously unrecognized lineage among the closest unicell relatives of animals. Led by @konsmitsi.bsky.social & @freejakoba.bsky.social together with a fantastic team of collaborators. 🔗 papers.ssrn.com/sol3/papers.... #protistsOnSky
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Vikram Chandra @vchandra.bsky.social · 09/09/2026
I am excited to announce that I will start the Brain Origins Lab at the Crick in March 2027! Using acoels as a model system, the lab will study how animal brains evolve, and how innovations in brain organisation enable new computational abilities and the evolution of complex behaviour.
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Cnidarian developmental mechanisms group @clytia-vlfr.bsky.social · 19/09/2026
Evidence 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
The two proposed neurogenesis pathways during Clytia larval development
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Matt Bracken @brackenlab.bsky.social · 03/09/2026
Tenure-track assistant professor position in #ecology at Whitman College in Walla Walla, Washington: apply.interfolio.com/190454
apply.interfolio.com
Apply - Interfolio {{$ctrl.$state.data.pageTitle}} - Apply - Interfolio
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Laurent Formery @laurentformery.bsky.social · 03/09/2026
Fantastic news!!! My project ECHINODEV has been awarded an ERC starting grant 🥳🥳⭐ We will use several echinoderm species to study animal body plan evolution! Reach out if you are interested, we will be looking for PhD students and postdocs 😀
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Cassandra Hayne @cassandrahayne.bsky.social · 02/09/2026
The Department of Biochemistry and Molecular Biology at #UChicago is looking for a new junior faculty member to join us. If you or someone you know would be a good fit, please apply or encourage them to apply! apply.interfolio.com/191981
apply.interfolio.com
Apply - Interfolio {{$ctrl.$state.data.pageTitle}} - Apply - Interfolio
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Thibaut 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.org
Rapid repurposing of microvillar content drives a flagellate-to-amoeboid switch in the closest relative of animals
Animal 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...
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Sonya Neal @neal-lab.bsky.social · 02/09/2026
Come be my colleague!! 🎉 We’re hiring an Assistant Professor in Developmental Biology at UCSD! If you’re doing exciting work in development or regeneration, come join us!! Please spread the word and apply! apol-recruit.ucsd.edu/JPF04591
apol-recruit.ucsd.edu
Assistant Professor of Developmental Biology
University of California, San Diego is hiring. Apply now!
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Deepak Krishnamurthy @deepakkrish.bsky.social · 31/08/2026
Thrilled to share that I’ll be starting as an Assistant Professor in Mechanical Engineering at UC Berkeley in January 2027! @ucberkeleyofficial.bsky.social @berkeleyengineer.bsky.social I’ll be launching the Deep Lab for Microbial Biomechanics. 🧵 1/8
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Megan Barkdull @meganbarkdull.bsky.social · 28/08/2026
The Natural History Museum of LA is hiring a Curator of Marine Invertebrates! Come join an amazing team and contribute to stewarding the largest marine invert collection in the Western US. 🐙🪼🦐 workforcenow.adp.com/mascsr/defau...
An image of several sea anemones under water.
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Kate Cavanaugh @katecavanaugh.bsky.social · 25/08/2026
🧵 What if one reason fertility declines with age isn’t just genetic-but mechanical? Thrilled to share our new paper in @NatureCellBio : Elevated contractility drives implantation failure in mouse embryos from aged females… here’s what we found 👇 www.nature.com/articles/s41... 1/11
nature.com
Elevated contractility drives implantation failure in mouse embryos from aged females - Nature Cell Biology
Cavanaugh et al. show that embryos from aged mice have increased contractility and tissue viscosity on embryonic day 4.5, which leads to poor spreading and attachment. Similar age-associated mechanica...
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Casey Dunn @caseywdunn.bsky.social · 25/08/2026
My new book, Phylogenetic Biology, is now published. Available online for free at dunnlab.org/phylogenetic... . Physical copies can be purchased at shop.lightningsource.com/b/085?params... or your favorite bookstore.
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Noah Mitchell @npmitchell.bsky.social · 20/08/2026
The University of Chicago’s Center for Living Systems, a NSF Physics Frontier Center, invites applications for the 2026-2027 CLS Postdoctoral Fellowship. Link below docs.google.com/forms/d/e/1F...
docs.google.com
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Darrin T. Schultz @dts.bsky.social · 19/08/2026
I'm thrilled to share that I've started as an Assistant Professor in Biological Sciences and the Oceans Research Center at Lehigh University! I'm building a group in evolutionary genomics to study the origin of animals, and to use those concepts to better understand human disease. More: evogeno.me
Darrin Schultz, a man with curly dark hair and tortoiseshell glasses, smiling at the camera in a brown blazer over a blue patterned shirt with sunglasses hooked on the collar, standing in front of a stone wall.
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Igor Adameyko @adameykolab.bsky.social · 19/08/2026
A gastropod veliger (about 2 mm in extended state) from the Red Sea. These planktonic larvae travel really far with the help of powerful currents - and help the slow snails to conquer the vastness of the ocean.
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preLights @prelights.bsky.social · 19/08/2026
Cellularization as a mechanism to build cells. #CellBio #DevBio Supported by @girishkalephd.bsky.social, Anne Ruess highlights a #preprint of @margaridaaraujo.bsky.social et al. @hiralshah.bsky.social @gautamdey.bsky.social @dudinlab.bsky.social #preLight⬇️ prelights.biologists.com/highlights/m...
prelights.biologists.com
Microtubules sustain the fidelity of cellularization in a coenocytic relative of animals - preLights
Cellularization as a mechanism to build cells
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Seth Finnegan @sethf.bsky.social · 11/08/2026
My home department (Integrative Biology, UC Berkeley) is searching for an assistant professor in ecology—please distribute widely! aprecruit.berkeley.edu/JPF05489
aprecruit.berkeley.edu
Assistant Professor –Ecology- Integrative Biology
University of California, Berkeley is hiring. Apply now!
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Pawel Burkhardt @pawelburkhardt.bsky.social · 11/08/2026
Postdoc opportunity in Copenhagen! Interested in marine bioluminescence, comb jellies & experimental biology? A great 2-year postdoc (possibility of 1-year extension), working with CRISPR, imaging & EM in the labs of Anders Garm & Cornelia Jaspers. Deadline: 16.08 jobportal.ku.dk/videnskabeli...
jobportal.ku.dk
Postdoc in Marine Bioluminescence - re-advertisement
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Nat Clarke @natclarke.bsky.social · 07/08/2026
CRISPR/Cas9 knock-ins in sea stars! So cool!
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Zak Swartz @zakswartz.bsky.social · 06/08/2026
Shining stars! 🌟 🎉 Our latest preprint is out, led by postdoc Beverly Naigles and research assistant Brian McGonagle, two amazing members of the lab and @mblscience.bsky.social community. www.biorxiv.org/content/10.6...
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callista yee @csybio.bsky.social · 06/08/2026
hiiii everyone! my department @zoology.ubc.ca is hiring an assistant professor in cell and developmental biology! deadline is october 1! academicjobsonline.org/ajo/jobs/32408 // please share!!!!!
academicjobsonline.org
University of British Columbia, Department of Zoology
Job #AJO32408, Assistant Professor in Cell and Developmental Biology, Department of Zoology, University of British Columbia, Vancouver, British Columbia, CA
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Noah Whiteman @nkwhiteman.bsky.social · 06/08/2026
I’m thrilled to share that our search for a tenure-track colleague in my *truly wonderful and collegial* Genetics, Genomics, Evolution and Development Division in the MCB Department at Berkeley @berkeleymcb.bsky.social is live! Please share this broad search widely: aprecruit.berkeley.edu/JPF05481
aprecruit.berkeley.edu
Assistant Professor -Genetics, Genomics, Evolution, and Development - Molecular and Cell Biology
University of California, Berkeley is hiring. Apply now!
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Inés Fournon Berodia @inesfournon.bsky.social · 04/08/2026
Very pleased to finally share the main story from my PhD, now published in @natcomms.nature.com ! 🎉 Using a sea anemone we discovered and characterised epithelial cell extrusion as the mechanism underlying starvation-induced cell loss. 🔗 Open-access article: www.nature.com/articles/s41...
nature.com
Epithelial cell extrusion underlies starvation-induced cell loss in a sea anemone - Nature Communications
Epithelial cell extrusion in a sea anemone shares key hallmarks with bilaterians and is dynamically regulated by nutritional status. During starvation-induced body shrinkage, extrusion likely contribu...
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Vicky & The Sleight Lab @vs-marine.bsky.social · 27/07/2026
Please share, I am hiring an evo devo postdoctoral research fellow! 📍: The Sleight Lab, University of Aberdeen, Scotland (5th oldest University in UK & English-speaking world) 📅: start after 1st December 2026 🐌: Evolution and Development (molluscs) ⌛: 3 year contract sleightlab.com/vacancies/
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ulrichtechnau.bsky.social @ulrichtechnau.bsky.social · 22/07/2026
Great work by PhD student Patricio Ferrer Murguia. His paper reporting the twist mutant in Nematostella is out: doi.org/10.1242/dev.... twist is required to form secondary tentacles, via localized FGFR and mTOR signaling. Later, mutants form stunning epithelial neoplasia with tentacle identity.
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M. Brent Hawkins @homeobox.bsky.social · 23/07/2026
I am excited to open my lab at @ibioillinois.bsky.social in Spring 2027! We will use zebrafish & other fishy friends to reveal the genetic basis of large scale changes in the vertebrate body plan, and how this impacts both human health and evolution. Join me at UIUC! 🧬🧫🔬 www.hawkinslaboratory.com
A confocal image of a zebrafish embryo featured on the webpage for the Hawkins Lab at UIUC
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Society for Integrative and Comparative Biology @sicb.bsky.social · 22/07/2026
Congrats to @sicb-dpcb.bsky.social 's Wake Award for Best Student Poster: Olivia May Tatro #Gene gain and loss events inform the evolution of symbiosis and lineage-specific traits in #Cnidaria www.linkedin.com/posts/unh-co...
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Babli Adhikary @babliadhikary.bsky.social · 20/07/2026
Thrilled to share my first publication from my PhD is now out in Journal of Cell Biology!!!! 😇 💖 Have you ever wondered how multicellular vertices are maintained and remodeled in an epithelia? 💭 Here, we investigate the role of junctional kinase PAK4 in vertex maintenance and remodeling!
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Mark Phillips @maphillips.bsky.social · 15/07/2026
Oregon State University's Department of Integrative Biology is currently hiring up to three tenure-track faculty members, with an emphasis on organismal biology. Note: Previous links are no longer active due to a change in our hiring system. oregonstate.wd501.myworkdayjobs.com/OSU_Careers_...
oregonstate.wd501.myworkdayjobs.com
Assistant Professor
Department: Special Instructions to Applicants: To ensure full consideration, applications must be received by 10/1/26. Applications will continue to be accepted after the full consideration date, unt...
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Amro Hamdoun @hamdounlab.bsky.social · 07/07/2026
More than a decade since CRISPR-Cas9 knock in came on the scene, it's remained underutilized in emerging models. Using transposase, and a split-FP system, we built an optimized knock in system for use in the genetically-enabled urchin, Lytechinus pictus. bit.ly/4wswLsd
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Thibaut Brunet @thibautbrunet.bsky.social · 07/07/2026
Discovery of an adhesion GPCR regulating mating in choanoflagellates, by Alain Garcia de las Bayonas & Nicole King. Absolutely stunning work - choano cell biology is going next level www.biorxiv.org/content/10.6...
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Luis Guerra @luisguerra.bsky.social · 06/07/2026
Prebilaterian Origin of Monoaminergic Signalling is out! This paper represents four years of work, not only mine, but friends and colleagues. I am particularly grateful to Tatiana Mayorova; without her help, this paper would not have been nearly as complete. www.sciencedirect.com/science/arti...
sciencedirect.com
Prebilaterian origin of monoaminergic signaling
Monoamines such as serotonin, dopamine, and tyramine regulate physiological and behavioral processes in bilaterian animals, but the evolutionary origi…
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Phil Abitua @ohnolog.bsky.social · 30/06/2026
Annual killifish continue to surprise us: they make neutrophils before almost every other cell type, even before gastrulation. Neutrophils usually arise from the lateral plate mesoderm (forming in cyan), but in killifish they are already patrolling around the embryo in gold. tinyurl.com/killiphil
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genikhovich.bsky.social @genikhovich.bsky.social · 18/06/2026
Congratulations 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.com
A blastoporal organizer in a ctenophore - Nature
Experiments 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...
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Mark Peifer (He, him) @peiferlabunc.bsky.social · 18/06/2026
The array of organs in the animal body differ dramatically in their architecture, but cell-cell adhesion mediated by cadherins is a common principle. Our lab usually focuses on epithelia but cadherins are also active in migrating mesenchymal cells like these migrating testis myoblasts 1/n 🧪
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Ctenophores Rock! @ctenophoresrock.bsky.social · 17/06/2026
What is the evolutionary origin of the organizer? New work from @kremnyovs.bsky.social, @tclebedeva.bsky.social & Hejnol Lab @uni-jena.de reports the blastopore lip of the #ctenophore Mnemiopsis leidyi, a member of the evolutionary sister group to all other metazoans, exhibits organizer activity.
nature.com
A blastoporal organizer in a ctenophore - Nature
Experiments 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...
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Pawel Burkhardt @pawelburkhardt.bsky.social · 16/06/2026
How ancient are the building blocks of animal sensory systems? Key components of animal sensory systems evolved before animals. We find that choanoflagellates possess diverse & spatially segregated TRP channels, pointing to ancient origins of sensory specialization. doi.org/10.64898/202...
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Iñaki Ruiz-Trillo @multicellgenome.bsky.social · 09/06/2026
1/10 For decades, cellular aggregation was considered an evolutionary dead end. Cells could come together temporarily. But complex multicellular organisms like animals? Our study, led by JP Gerdt, with Ruibao & @jennahed.bsky.social suggests it may be time to rethink that🧵 #ProtistsOnSKy
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Lowe Lab @lowelab.bsky.social · 09/06/2026
Repost please !! We have extended the abstract deadline for the 2026 Santa Cruz Developmental Biology Conference to June 20. scdb2026.sites.ucsc.edu. Get those abstract in !
scdb2026.sites.ucsc.edu
Santa Cruz Developmental Biology Meeting
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Molecular Biology and Evolution @molbioevol.bsky.social · 09/06/2026
Guttieres 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 #molbio
doi.org
Evidence for an early cadherin–catenin interaction network in ctenophores
Abstract. The cadherin–catenin complex (CCC) is a calcium-dependent assembly that is essential for the organization and function of animal cells and tissue
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Tessa Montague @tessamontague.bsky.social · 06/06/2026
Do 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!]
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Katerina Ragkousi @ragkousik.bsky.social · 04/06/2026
Interested in sea anemone embryos and building skills in molecular biology, biochemistry, imaging and bioinformatics? We are at Amherst College and work within a welcoming and supportive environment. Feel free to share and dm for additional details. amherst.wd5.myworkdayjobs.com/en-US/Amhers...
amherst.wd5.myworkdayjobs.com
Research Assistant (Biology)
Amherst has taken a leadership role among highly selective liberal arts colleges and universities in successfully diversifying the racial, socio-economic, and geographic profile of its student body. T...
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Marine Biological Laboratory @mblscience.bsky.social · 03/06/2026
National Egg Day celebrates the humble breakfast egg. But at the Marine Biological Laboratory, we’re taking a different spin and highlighting the eggs that help scientists better understand life itself.
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Alex de Mendoza @alexdemendoza.bsky.social · 02/06/2026
Capolavoro 🎨 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.com
Gene body methylation suppresses intragenic transcription and permits epigenetic inheritance in a cnidarian - Nature Ecology & Evolution
Experiments 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...
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Laurent Formery @laurentformery.bsky.social · 02/06/2026
New alien friend in the echinox lab: the basket star Astrospartus mediterraneus. A truly bizarre fractal body plan, but sooo beautiful 🤩🥹
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Mark Peifer (He, him) @peiferlabunc.bsky.social · 02/06/2026
There is a straightforward mechanism for the public to comment. Former NIH program office Elizabeth Ginexi has written an exceptionally helpful guide on how to so, with detailed suggestions. 3/n elizabethginexi.substack.com/p/what-we-ne...
elizabethginexi.substack.com
What We Need to do NEXT: OMB’s Proposed Federal Financial Assistance Rule (OMB-2026-0034)
What OMB’s Proposed Federal Financial Assistance Rule Means in Practice
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