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Posts by Ferdinand Marlétaz

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Targeting the cell membrane in established and emerging model organisms Summary: 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.

Finding 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. 2/9

2 days ago 52 18 2 3

Congrats Pedro!

4 days ago 1 0 1 0
Genomic rearrangement of the Hox cluster in a dung beetle species with derived cephalic horn morphology

Genomic rearrangement of the Hox cluster in a dung beetle species with derived cephalic horn morphology

#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

1 week ago 13 9 0 0

Last 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!

1 week ago 8 8 0 0
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Pablo 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/...

2 weeks ago 94 31 5 1

Nice 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.

2 weeks ago 4 1 0 0
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LondonEvoDevo meeting's website

May 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.uk

4 weeks ago 26 18 0 3
PearTree — Phylogenetic Tree Viewer

So 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).

1 month ago 166 101 5 4
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congrats Thibaut and RRRR!

1 month ago 1 0 0 0
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BMC 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

2 months ago 4 3 0 0
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Deep conservation of cis-regulatory elements and chromatin organization in echinoderms uncover ancestral regulatory features of animal genomes Nature 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...

Our 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/eXX8l

3 months ago 71 32 7 1

Congrats! 🙌

3 months ago 2 0 0 0

Congrats! 🙌

3 months ago 1 0 0 0

Anouk Necsulea, @maelledaunesse.bsky.social and myself are organising a symposium at SMBE this year.

Send us all of your abstracts!!

4 months ago 5 3 0 0
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The tunicate Ciona - Nature Methods The 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...

Very 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...

4 months ago 45 13 0 3
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Thé Mercury effect

4 months ago 0 0 0 0

Cool!

5 months ago 1 0 0 0
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Adenine DNA methylation associated with transcriptionally permissive chromatin is widespread across eukaryotes - Nature Genetics Long-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.

Out 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... 1/9

5 months ago 165 86 7 6
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Gene 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...

5 months ago 14 5 1 0
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Pleased 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...

5 months ago 62 30 7 1
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Laurent 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 […]


Laurent Joly, historien. « L’union des droites on l’a déjà eue, c’est le gouvernement de Vichy »

5 months ago 23 7 0 0
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LondonEvoDevo meeting's website

Come 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.

6 months ago 18 16 0 0

Congrats, even ALGs in it 😝!

6 months ago 1 0 1 0
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Loops of DNA Equipped Ancient Life To Become Complex | Quanta Magazine New work shows that physical folding of the genome to control genes located far away may have been an early evolutionary development.

Adding 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...

6 months ago 23 5 0 2

bucolique!

6 months ago 1 0 1 0
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Congrats!

7 months ago 1 0 0 0

Chaetognaths 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 ⛰️.

8 months ago 51 12 2 0
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The perplexing body plan of arrow worms decoded A 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.

A 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/4oAI2nf

8 months ago 46 14 0 2
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Cracking the Genetic Code of Arrow Worms: How Chaetognaths Got Their Unique Body Plan

New 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.social

8 months ago 3 2 0 1
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The perplexing body plan of arrow worms decoded A 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.

Thanks to all those involved and particularly to Tachiro Goto who promoted this species as a chaetognath model! Please also check also the great News & Views by Lewin & Luo www.nature.com/articles/d41... /6

8 months ago 16 0 0 0