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Posts by Christophe Duplais 🧪🐛⚗️🦋🪴🪲🌾⌬

You have to divide by two the US salary because of taxes, health care, and retirement but it is still roughly between 55k$ and 110k$ for this job position … after 10 years at the CNRS I was at 38k$ 😭

3 hours ago 2 0 0 0
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Ever wondered how the #cuticle, a hallmark of land plants, was established?

In our latest study, we show that the CUTIN SYNTHASE enzyme family was a key driver of this evolutionary innovation. #plantscience

▶️ www.biorxiv.org/content/10.6...

A thread 🧵 [1/8]

3 weeks ago 88 39 4 1

For anyone wondering where modern #chemicalecology stands, here is an instant classic example 🤩

Small changes in the olfactory receptors of Drosophila suzukii agricultural pest explain its preference for laying eggs in ripe fruit instead of overripe fruit bc of detection of ester fruit volatiles 🤯

3 weeks ago 1 0 0 0
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Milkweed evolves ‘mind-blowing’ tactic to fight monarchs | Cornell Chronicle Milkweed has found a new strategy in its epic evolutionary battle with monarch butterflies: structurally upgrading its toxins to outmaneuver monarchs' resistance.

Here is the Cornell Chronicle article about our PNAS paper on the evolution of milkweed toxins (N,S-cardenolides), to which the monarch butterfly is sensitive, despite being co-evolved with milkweeds!

@cornellentomology.bsky.social

news.cornell.edu/stories/2026...

4 weeks ago 35 15 0 3
How can scent molecules identify stressed plants and offer clues about human and animal health?
How can scent molecules identify stressed plants and offer clues about human and animal health? YouTube video by Cornell University

My first podcast 😅 on how decoding the smell of organisms could help us to find solutions to protect crops in agriculture, and improve plant, animal, and human health by detecting diseases before symptoms appear!

@Cornell @CornellEnto @CornellAgriTech

youtu.be/szTAWwYC5bc

4 weeks ago 8 3 0 0

Thanks Emmanuel and see at ISCE in Ithaca in June! Big fan of your work and will be very pleased to meet you!

1 month ago 1 0 0 0
ISCE (International Society of Chemical Ecology) Meeting 2026.

The International Society of Chemical Ecology Conference will be hosted by Cornell (Ithaca, NY) this June 21-26! 🐛🧪🥀🦠🦇

Early Bird registration until April 7! Please spread the word!

Lots of great talks and sessions! Post-conference Metabolomics Workshop!

events.ces.scl.cornell.edu/event/ISCE20...

1 month ago 3 1 0 0

Thanks Megan!

1 month ago 1 0 0 0
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Structural innovation in the evolution of plant chemical defense | PNAS Chemical defenses are fundamental in organismal biology and widely used in medicine and agriculture. Plant defense chemistry evolves in response to...

Our most accomplished work on chemical evolution 🥳

These N,S-cardeneolides have unique structures and bioactivities, and they also have divergent macroevolutionary histories 🤩

Structural innovation in the evolution of plant chemical defense | PNAS www.pnas.org/doi/10.1073/...

1 month ago 10 5 2 0
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7 months ago 4 0 0 0
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Here is Petra testing her bee 🐝 cage experiment to assess biomiticide peptide against varroa mites as an alternative to chemical pesticides 🤩 Thanks to Project Apis m. for the support!
@CornellAgriTech @CornellCALS @CornellEnto

8 months ago 4 0 0 0
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Our paper on using #eDNA from rainwater to study hidden biodiversity in #tropical #forest #canopies is now out in Science Advances! This method is a major step forward for the study and #conservation of this inaccessible compartiment. www.science.org/doi/10.1126/...
Photo: J. Raynaud

8 months ago 32 11 1 1
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This MOF offers a PFAS twofer: sensing and removal Modified metal-organic framework glows when it captures perfluorooctanoic acid

With a few chemical tweaks to a known metal-organic framework (MOF), researchers have developed a material that quickly detects and removes a common per- and polyfluoroalkyl substance (PFAS) from contaminated water. cen.acs.org/environment/... #chemsky 🧪

8 months ago 41 15 1 0
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Gene loss associated with plasticity-first evolution in Heliconius butterflies Phenotypic plasticity occurs when a genotype can produce more than one phenotype under different environmental conditions. Genetic accommodation allows plastic phenotypes to be tuned to new environmen...

Very excited about this paper led by Erika Castro. She has shown that Heliconius were ancestrally plastic in how they acquired their cyanogens, but some species have lost the ability to biosynthesise toxins, and have lost genes involved www.biorxiv.org/content/10.1...

9 months ago 44 20 1 0
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How to break up a locust party? Disrupt their pheromones Researchers have mapped the chemical pathway for 4-vinylanisole that causes locusts to swarm and figured out how to inhibit it

Researchers have mapped the chemical pathway for 4-vinylanisole that causes locusts to swarm and figured out how to inhibit it: cen.acs.org/biological-c... #chemsky 🧪

9 months ago 33 11 2 1
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Plenaries FRiday 6/20 - IDEA prize LECTURE (7:00 - 8:00 PM) - Jeremy Yoder

Excited to head to #Evol2025 next week! It will be my last year in a presidential role for The Society of Systematic Biologists @systbiol.bsky.social and as such I will be giving the SSB Presidential Address. www.evolutionmeetings.org/plenaries.html

10 months ago 29 9 1 2
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Chairs of 36 US chemistry departments call to restore funding Open letter in <i>Science</i> says federal policy decisions ‘threaten the strength of the US research enterprise’

A coalition of 36 chemistry department chairs from US universities has published an open letter in Science highlighting their concern over recent federal policy decisions impacting science. cen.acs.org/policy/resea... #chemsky 🧪

9 months ago 36 20 0 1
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Repeated and widespread evolution of biofluorescence in marine fishes - Nature Communications Biofluorescence is widespread in fishes. Here, the authors compile data on biofluorescence presence across teleost fishes and demonstrate that it may have originally evolved in eels 112 million years ...

Apologies for missing the last few weeks for themes! In light of our new article www.nature.com/articles/s41..., the #Sundayfishsketch #Fishytheme is biofluorescent fishes! #sciart 🦑

10 months ago 41 10 2 2
An inforgrafic showing the relationship between animal size and the shape of the fluid waste that these animals can expel from their bodies.

An inforgrafic showing the relationship between animal size and the shape of the fluid waste that these animals can expel from their bodies.

Sharing this fluidic excretion alignment chart you did not know you needed. #TheMoreYouKNow

www.usatoday.com/story/graphi...

10 months ago 91 33 9 14
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🎉 We’re hiring! Two ERC-funded #PostdocJobs on insect–phytopathogen mutualisms are available in my lab. Explore the chemical and molecular evolution of symbioses!
🧪Chemical ecology: tinyurl.com/chem-ecol-symb
🦠Phytopathology & mutualisms: tinyurl.com/symb-plantpath
#SymbioSky #PlantPathology

11 months ago 44 30 0 3
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Travel 400M years in a flip. FERNS explores the evolution, survival, and modern ties of Earth’s most adaptable plants. By @fernway.bsky.social & Jacob Suissa, illustrated by Laura Silburn. Out May 6: go.btiscience.org/ferns #FernsBook #PlantScience

11 months ago 21 6 0 0
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Structural dissection of ergosterol metabolism reveals a pathway optimized for membrane phase separation The metabolism of ergosterol shapes this lipid to allow the formation of fluid membrane domains in yeast cells.

Out today, we report how small chemical modifications in the metabolism of ergosterol are needed for yeast membranes to phase seperate into ordered yet fluid domains www.science.org/doi/10.1126/... (1/n)

11 months ago 75 24 3 4
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Thread with an email being sent to @asn-amnat.bsky.social @sse-evolution.bsky.social @systbiol.bsky.social members today calling for a Tri-society week of action for NSF:

Dear members:
The tri-societies (ASN, SSE,SSB) are running a ‘Week of Action for NSF’. Your engagement is crucial.

11 months ago 182 159 4 12
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Ants in the Amazon! with Dr. Corrie Moreau | Cabin of Curiosities Podcast Episode · Voyage to the Wild · 22/04/2025 · 21m

I did a podcast interview for Voyage to the Wild with Charlie Young about Ants in the Amazon! You can listen to it here: podcasts.apple.com/gb/podcast/a...

11 months ago 9 1 0 0
Four images to illustrate some prominent single-gene myths. Top left shows a photograph of a person deftly rolling their tongue into a U-shape. Top right shows a photograph of a person’s ear, highlighting the shape and features of the earlobe and cartilage. Bottom left shows a close-up photograph of a person’s eye, with a vivid blue colouration. Bottom right shows a photograph of a person poised to write with their left hand on the blank white page of a spiral-bound notebook.

Four images to illustrate some prominent single-gene myths. Top left shows a photograph of a person deftly rolling their tongue into a U-shape. Top right shows a photograph of a person’s ear, highlighting the shape and features of the earlobe and cartilage. Bottom left shows a close-up photograph of a person’s eye, with a vivid blue colouration. Bottom right shows a photograph of a person poised to write with their left hand on the blank white page of a spiral-bound notebook.

Remember when you first learned about genetics at school? All those fascinating examples of human traits that are each apparently determined by just a single gene? Time to check in on some of your favourites to see how they’re doing. 🧬🧵🧪 1/n

11 months ago 1321 611 52 89
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I am so excited about this upcoming publication about the Bees of Pennsylvania! 🐝 Stay tuned; we will have a page online where you can purchase this book in July! @nashturley.bsky.social @napoleonicento.bsky.social @stephanidae.bsky.social

11 months ago 36 5 1 0
a diagram showing a cross-section of human skin, showing that sebaceous compounds are broken down under UV radiation

a diagram showing a cross-section of human skin, showing that sebaceous compounds are broken down under UV radiation

Kicking off my Bluesky account by sharing a new review I wrote with @lindymcbr.bsky.social for @currentbiology.bsky.social! If you’ve ever wondered about the source of your stank or just want to learn why humans smell weird (it's true!), then this review is for you! 👃🧪🤔 doi.org/10.1016/j.cu...

11 months ago 36 11 1 5
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Complex signals, complex defences: there’s more to defences than meets the eye. New from @amatageorgeii.bsky.social &
@liisahamalainen.bsky.social @kateumbers.bsky.social @mherberstein.bsky.social @jmappes.bsky.social @mpic.de

royalsocietypublishing.org/doi/10.1098/...

#aposematism #chemecol

11 months ago 21 6 1 0
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Nobel laureate: I owe America my success. Today, its scientific future is in danger | CNN Dr. Ardem Patapoutian says he watches “with deep sadness as the United States’ remarkable scientific enterprise, which took generations of hard work and national investment to build, faces a concerted...

Published an op-ed for @cnn.com: “Nobel laureate: I owe America my success. Today, its scientific future is in danger.”
A personal reflection on what’s at stake as science funding gets slashed. I’d be grateful if you could amplify both in and beyond the science world.
www.cnn.com/2025/04/09/h...

1 year ago 895 488 15 25

👀🦋🐝🐞🐜🦗🪲🕷️Ento-Education Job alert!!👀

1 year ago 4 3 0 0