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Posts by Arnaud Martin

nicely done! we're trying mScarlet3 with KRas6R based on your Addgene now

1 day ago 1 0 0 0
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These images show live embryos of animals (jellyfish, crustacean, worm, sea urchin, sea squirt, beetle) and one of animals closest single-celled relatives. They were captured taking advantage of fluorescent proteins localised on the outer membrane of cells, allowing us to observe cell outlines. 1/9

1 day ago 178 52 4 5

oh, the artist is on bluesky, hi!
@manuelcg.bsky.social

4 days ago 0 0 0 0
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Hasbro who owns a variety of world-building franchises committed to not use generative AI for creating final art.

Which reminded me how much I love the art behind Magic the Gathering. And Jolly Gerbils in particular, this card is a whole vibe.

4 days ago 1 1 1 0
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Check out our new release on BioRxiv
co-lead by @pm-mueller.bsky.social

👉 rb.gy/lnrizk

special🙏 to
Severine Kunz #MDC
@leventallab.bsky.social
@andimicroscopy.bsky.social
@ewerslab.bsky.social and Kedar Narayan @NCI CCR VolumeEM

Are the days of discovering new cellular structures over?? /1

5 days ago 73 33 1 9
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Posting a screen shot here cause I don't want to give them traffic but they're on these other platforms. Makes me want to poke hot knives in my orbits

2 weeks ago 2 0 0 0
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some examples of their content

2 weeks ago 0 0 0 0
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thanks @jopabinia.bsky.social for bringing this up

2 weeks ago 1 0 0 0
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Beware of this Instagram channel with AI-made deep ocean crap.

2 weeks ago 17 6 5 1

We love to see these cross-over papers, that repeat geno-pheno experiments across species!

2 weeks ago 2 0 1 0
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Zebrafish finds Nemo. New paper with our great collaborators on gap junctional communication in widely divergent species.

www.nature.com/articles/s41...

2 weeks ago 37 15 2 1

Never seen a more compelling endorsement for submitting your work to GENETICS @genetics-gsa.bsky.social

2 weeks ago 46 12 7 1
A green and black caterpillar with a ruffle texture in the top image. Bottom image is a bit of Locke. Attached to a twig and the two images look very much alike

A green and black caterpillar with a ruffle texture in the top image. Bottom image is a bit of Locke. Attached to a twig and the two images look very much alike

That’s a caterpillar in the top image with the bit of lichen it’s supposed to be at the bottom. See the next post to get a closer look at the caterpillar. Been looking for more of the caterpillars but get faked out by the lichen.

2 weeks ago 120 22 1 0
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We are proud to unveil the world’s longest underwater timelapse, starting May 1st 2023 and running 1,000 days through January 28, 2026. This 10fps period covers summer 2023’s coral bleaching mortality event, but then recovering and growing through ‘24 & ‘25 into ‘26 #coralcitycamera

2 months ago 607 197 13 11

I'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

2 weeks ago 67 68 2 1
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This paper is super cool. Squeaky-clean genetic evidence that Wnt cis-regulatory alleles tune horn length in caterpillars.

3 weeks ago 16 4 0 0
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1/ 🚀 Excited to release: napari-mcp - agentic control of napari from any MCP-capable AI assistant!
Use it for interactive image processing, analysis, and visualisation! Really cool project from @ilan-theodoro.bsky.social from my team!
#napari #bioimageanalysis #MCP @biohub

3 weeks ago 39 10 3 1
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PASEDB community 🤩

We are excited to announce our first Research Webinar series called:

⭐️EvoDevo Mondays⭐️

Save the date - April 13

With our amazing speakers @luiza-o-saad.bsky.social and João Francisco Botelho

Session chair Professor Natalia Pabón-Mora

#PASEDB #EvoDevoMondays #EvoDevo

1 month ago 26 15 0 2

Another cool genetic hotspot

BarH ----| pterin granule formation must be a conserved module dating to before butterfly/bumblebee split

Pterin polymorphism predictably map to this master switch in setae and scales.

1 month ago 7 2 0 0
A map of anatolia, indicating the spatial distribution of yellow and white bees.

A map of anatolia, indicating the spatial distribution of yellow and white bees.

Figure 1 from https://www.nature.com/articles/s41467-019-13596-2

Figure 1 from https://www.nature.com/articles/s41467-019-13596-2

I've just had a jaw-to-the-floor moment with this new paper from the Hines lab. They describe a yellow-white switch in bees, which maps to the same TF as the yellow-white switch in Colias butterflies, previously described by the @chriswheat.bsky.social lab. journals.plos.org/plosgenetics...

1 month ago 79 23 2 1
Heliconius erato demophoon sat on a pink, yellow and white lantana flower. The left side of the butterfly is white, while the right side is the usual black and red, but with some white clonal patches.

Heliconius erato demophoon sat on a pink, yellow and white lantana flower. The left side of the butterfly is white, while the right side is the usual black and red, but with some white clonal patches.

New preprint form me and the McMillan lab at STRI and Martin lab at GWU, digging into scale cell type specification and differentiation in Heliconius wings, with some insights on the lncRNA gene ivory.

www.biorxiv.org/content/10.6...

Comments/suggestions welcome!

1 month ago 54 18 1 0

Genome-wide discovery of cis-regulatory elements in a large genome www.biorxiv.org/content/10.64898/2026.03...

1 month ago 5 1 0 0

Amazing peppered moth story from Saccheri lab - same locus, but different structural variants, underly parallel evolution of industrial melanism in the UK and across continental Europe.

1 month ago 36 18 1 0

4D4 is 🏅. Thanks @dshb-antibodies.bsky.social for everything you do! #Dros26 #fluorescencefriday

1 month ago 8 4 1 0
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Cut defines butterfly wing shape like a Cookie Cutter!
(PS imaginal disks are much flatter than in Drosophila)

1 month ago 0 0 1 0
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And it cross-hybridizes to other insects!

1 month ago 1 0 1 0
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SATURDAY, MARCH 7th
Join us to Save Science, Protect Health, and Defend Democracy!

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#standupforscience
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#rally

1 month ago 60 25 0 0
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GW sold Virginia campus for $427 million to Amazon for data center development The deal transfers all of GW’s roughly 122 acres of property in Loudoun County, Virginia, to ADS for $427,299,350 — roughly $3.5 million an acre — according to real estate records.

Big financial news at my home institution.
gwhatchet.com/2026/03/02/g...

1 month ago 0 0 0 0