Society for Developmental Biology

🦑 Doryteuthis pealeii (Longfin squid)
A cephalopod superstar✨ With a massive, highly edited genome and a fragmented Hox cluster, D. pealeii helps reveal how squids evolved complex brains, rapid development, and unique body plans 📸 Image by Juliana Roscito #ModelMonday #DevBio

🌈 Rainbow neurons on the move!🧠
MultiColor FlpOut of L3 optic lobe neurons projecting into the medulla neuropil. 📸 Image by Isabel Holguera.
#FluorescenceFriday #DevBio

🏅 Fourth Place – DevBio Art Contest 🎨
🪰 Pop Art Drosophila! by Jenn-Yah Yu A bold color block print of six female fruit flies in a 3×2 grid, same design, different color combos. A Warhol-inspired take where shifting palettes echo phenotypic variation. 💥🎨 #DevBioArt

🐠 Medaka (Oryzias latipes) ✨ A tiny fish with big developmental insights! 🧬 Medaka is perfect for studying sex determination, germ cell development, pigmentation, and environmental effects on embryos 📸 Image by Philipp Keller #ModelMonday #DevBio #EvoDevo

🌊 Developmental biologists say gastrulation is the most important moment of your life… and this sea urchin is making sure it looks fabulous for the occasion 💅
🔴 Laminin 🟢 Skeletal cells 🔵 Membranes 📸 Image from David McClay #FluorescenceFriday #DevBio

Stem Cell & Developmental Biology Early Career Symposium September 23-25, 2026 Seattle, Washington, USA Planning Committee: Alessandro Bertero, Ken Cho, Gideon Dunster, Whitney Edwards, Evan Graham, Valentina Greco, Leigh Harris, Serge Parent, Helen Willsey Allen Institute logo; International Society for Stem Cell Research logo; Society for Developmental Biology logo

Save the date! @isscr.org, @alleninstitute.org & @socdevbio.bsky.social are collaborating to present a 3-day scientific symposium led by early-career scientists. The Stem Cell & Developmental Biology Early Career Symposium will be held September 23-25, 2026 in Seattle, WA. Learn more: bit.ly/4p98dkv

🥉 Third Prize – DevBio Art Contest 🎨
✨ “Fluorescent Flight” by Jessica Wilkins 🦋 A glowing celebration of development and motion, where vivid fluorescence meets the elegance of form and flight. A stunning fusion of science and art! 💫 #DevBioArt #ScienceArt

Anthony Galenza

Cross section of a Drosophila midgut with its single cell layer barrier epithelium

Anthony Galenza of Stanford University will round out the #SDBPostdocSeminar with his talk "Membrane-bending proteins promote formation of a curved apical domain during de novo polarization in Drosophila intestinal stem cell progeny" Image: Fly midgut with its single cell layer barrier epithelium

Olya Yarychkivska

Linker cell at the tail of a C. elegans male

Olya Yarychkivska of @rockefeller.edu will kick off the #SDBPostdocSeminar with her talk "Myelin regulatory factor 1, identified by single cell transcriptomics, primes a migrating cell for non-apoptotic cell death" Image: Linker cell at the tail of a C. elegans male

Society for Developmental Biology Ethel Browne Harvey Postdoctoral Seminar Series Friday, November 14, 2025, 3:00pm - 4:00 pm Eastern Time Olya Yarychkivska (The Rockefeller University) Myelin regulatory factor 1, identified by single cell transcriptomics, primes a migrating cell for non-apoptotic cell death Anthony Galenza (Stanford University) Membrane-bending proteins promote formation of a curved apical domain during de novo polarization in Drosophila intestinal stem cell progeny

The next the Ethel Browne Harvey Postdoc Seminar will be this Friday, November 14 at 3 pm Eastern Time with Olya Yarychkivska from @rockefeller.edu and Anthony Galenza from Stanford University. Register today and join us. bit.ly/4gvaHqd #SDBPostdocSeminar #Celegans #Drosophila

Hydra (Hydra vulgaris) ✨Small but mighty! Hydra can regenerate its entire body, even its head 🧠 A classic model for regeneration, stem cell dynamics, and body axis patterning 📸 Image by Daniel Bressan de Andrade #ModelMonday #DevBio #Regeneration

Society for Developmental Biology Ethel Browne Harvey Postdoctoral Seminar Series Friday, November 14, 2025, 3:00pm - 4:00 pm Eastern Time Olya Yarychkivska (The Rockefeller University) Myelin regulatory factor 1, identified by single cell transcriptomics, primes a migrating cell for non-apoptotic cell death Anthony Galenza (Stanford University) Membrane-bending proteins promote formation of a curved apical domain during de novo polarization in Drosophila intestinal stem cell progeny

The next Ethel Browne Harvey Postdoc Seminar will be Friday, November 14 at 3 pm Eastern Time with Olya Yarychkivska from @rockefeller.edu and Anthony Galenza from Stanford University. Register today and join us. bit.ly/4gvaHqd #SDBPostdocSeminar #Celegans #drosophila

🐸 Xenopus laevis 💚 The frog that shaped modern developmental biology! ✨ Xenopus embryos have revealed how the body axis forms, cells choose their fate, and tissues self-organize during early development 📹 Video by Bioquest Sudio and Xenbase #ModelMonday #DevBio

💚🦴 Fluorescence Friday: Halloween edition! 🎃
This glowing mouse embryo skeleton is serving serious spooky vibes 👻 Who knew bone development could look this eerie and elegant? 💀 Image by @martinestermann.bsky.social
#FluorescenceFriday #SpookyScience

🥈 Second Prize – DevBio Art Contest 🎨
Hyloscirtus lynchi tadpoles captured in watercolor! 🐸 A tribute to this critically endangered Andean frog, showcasing its natural colors, unique hindlimb sacs & delicate morphology. 🌿 Painting by Sebastian Plata #DevBio #ScienceArt

Ascidians (Ciona intestinalis)🪸Our distant chordate cousins! 🌊 Simple sea squirts that reveal how vertebrate body plans evolved 🧬 A key model for notochord formation, neural induction, and cell lineage mapping 📸 Video by MBL Embryology 2019 #ModelMonday #DevBio #EvoDevo

Meet the real rainbow fish 🌈🐟 Using Cre-mediated recombination, each zebrafish cell expresses a unique fluorescent color, creating a living rainbow of developmental history 🎨✨ Image by Bret Pearson #FluorescenceFriday #Zebrafish #DevBio

💭Transitioning to independence isn’t only a Latinx concern!

One key takeaway from our workshop at ICDB in Puerto Rico: this is a shared challenge across the field. @socdevbio.bsky.social

Proud of the diversity — celebrating Latinx representation, gender balance, and early career voices in Dev Bio!

🏆 First Prize – DevBio Art Contest 🖼️
“A Model Meeting” by Karla Akari Garcia
Inspired by The Quaker Meeting, this watercolor honors animal research models, from mouse to axolotl, that have advanced developmental biology 🎨 A tribute to science’s often unsung heroes. #DevBioArt

🧠Talk about having guts! 💪Embryonic mouse intestines stained for ❤️💚 nerves and 💙 endothelial cells, forming the early circuits that keep things moving (literally!) 🔬 Image by Nathan Burns. #FluorescenceFriday #DevBio

YouTube video by Society for Developmental Biology SDB Ethel Browne Harvey Postdoctoral Seminar Series - Austin Seroka and Heather Dingwall

The October 10 #SDBPostdocSeminar with @austinseroka1.bsky.social of Fred Hutchinson Cancer Center and @dingwallaby.bsky.social‬ of @upenn.edu has been posted. Thank you to moderators @sarahcolijn.bsky.social and @shyama13.bsky.social. Watch here: youtu.be/k4OJHnZV2gk

Got stunning fluorescence microscopy images? 🌈🔬 SDB wants to feature YOUR work for #FluorescenceFriday! We highlight images from SDB members with a short description and the image creators 📸. Fill out the form to be featured: docs.google.com/forms/d/e/1F...

✴️Sea urchins have illuminated fertilization 🧫, early cleavage divisions 🔬, and gene regulation in embryonic patterning 🧬. A classic marine model that shaped our understanding of cell fate and axis formation. 📸 Image by Laurent Formery #ModelMonday #DevBio

🐟 Talk about jaw-dropping evolution! 😮 Bahamian pupfishes show huge craniofacial diversity with tiny genetic tweaks. 🎏 Here’s C. desquamator, where 🟠 atp8a1 Is expressed just the jaw muscles (🩷tpm3b)🔬image from @fishfena.bsky.social
#FluorescenceFriday #EvoDevo

headshot of Heather Dingwall

Mouse eccrine glands (left) and hair follicles (right) stained for K14 (green) and DAPI (magenta)

.@dingwallaby.bsky.social‬ of @upenn.edu will round out the #SDBPostdocSeminar with her talk "Mechanisms underlying the evolution of human sweating and fur loss" Image: Mouse eccrine glands (left) and hair follicles (right) stained for K14 (green) and DAPI (magenta)

headshot of Austin Seroka

Vagal axons extending towards organ targets during development

.@austinseroka1.bsky.social of Fred Hutchinson Cancer Center will kick off the #SDBPostdocSeminar with his talk "Transcription factor code specifies vagal motor innervation of organ targets during development" Image: Vagal axons extending towards organ targets during development

Society for Developmental Biology Ethel Browne Harvey Postdoctoral Seminar Series Friday, October 10, 2025, 3:00pm - 4:00 pm Eastern Time Austin Seroka (Fred Hutchinson Cancer Center) Transcription factor code specifies vagal motor innervation of organ targets during development Heather Dingwall (University of Pennsylvania) Mechanisms underlying the evolution of human sweating and fur loss

The next Ethel Browne Harvey Postdoc Seminar will be this Friday, October 10 at 3 pm Eastern Time with Austin Seroka @austinseroka1.bsky.social of Fred Hutchinson Cancer Center & Heather Dingwall @dingwallaby.bsky.social‬ of @upenn.edu. Register today and join us. bit.ly/4nIlJed #SDBPostdocSeminar

🪱 Planarian (Schmidtea mediterranea)
✨ Planarians can regenerate a complete body from tiny fragments thanks to their amazing pluripotent stem cells (neoblasts) 🧬 A star of regeneration and stem cell biology
📸 Image by Rachel Gandee #ModelMonday #DevBio

Society for Developmental Biology Ethel Browne Harvey Postdoctoral Seminar Series Friday, October 10, 2025, 3:00pm - 4:00 pm Eastern Time Austin Seroka (Fred Hutchinson Cancer Center) Transcription factor code specifies vagal motor innervation of organ targets during development Heather Dingwall (University of Pennsylvania) Mechanisms underlying the evolution of human sweating and fur loss

The next #SDBPostdocSeminar will be held Friday, October 10 at 3 pm Eastern Time with Austin Seroka @austinseroka1.bsky.social from Fred Hutchinson Cancer Center and Heather Dingwall @dingwallaby.bsky.social‬ from @upenn.edu. Register today and join us. bit.ly/4nIlJed

✨ They say true beauty is on the inside… This zebrafish took that personally 🐟 🟢 Bone 🟣 tendon & ligament🔬Image by Hung-Jhen (Olivia) Chen #FluorescenceFriday #DevBio #Zebrafish