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Thomas Lesaffre 🌱

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Postdoc at @dee-unil.bsky.social interested in the theoretical study of plant evolution 🌺 | I also like badminton 🏸, chess♟️, beer 🍺 and raccoons 🦝 ! SNSF Ambizione fellow at @unifrbiology.bsky.social starting Sept 2026 https://thomas-lesaffre.github.io/

452 подписчиков548 подписок13 публикаций
⟳ Репост от Thomas Lesaffre 🌱
Jeff Groh

Avocados come in 2 varieties - A-types start each day female and switch to male midday. B-types do the reverse. In work just published from the last chapter of my PhD, we show this system evolved 40+million yrs ago and is regulated by alleles of 1 transcription factor www.pnas.org/doi/10.1073/...

Balanced polymorphism in a floral transcription factor underlies the ancient rhythm of daily sex alternation in avocado | PNASIn avocado and certain wild relatives in Lauraceae, a highly synchronized daily rhythm of floral sex timing promotes cross-pollination between two ...www.pnas.org
⟳ Репост от Thomas Lesaffre 🌱
Prajwal Padmanabha

Very happy to share that the work I've been doing with @saramitri.bsky.social is now out on biorxiv! www.biorxiv.org/content/10.6... We broadly ask how are microbial interactions distributed, is there a common shape across datasets, what drives it, and why it matters. Summary thread below 🧵 1/17

Metabolic processes shape microbial interaction distributionsMicrobial communities are largely driven by metabolic interactions, whereby species compete for shared resources and exchange byproducts. Such interactions are commonly classified by their sign alone....www.biorxiv.org
⟳ Репост от Thomas Lesaffre 🌱
fbm-unil

🎉 Félicitations aux professeures 𝗦𝗮𝗿𝗮 𝗠𝗶𝘁𝗿𝗶 @saramitri.bsky.social @dmf-unil.bsky.social et 𝗧𝗮𝗻𝗷𝗮 𝗦𝗰𝗵𝘄𝗮𝗻𝗱𝗲𝗿 au Département d’écologie et évolution @fbm-unil.bsky.social @unil.bsky.social qui reçoivent chacune un ERC Advanced Grant @erc.europa.eu 👉 www.unil.ch/news/fr/1781...

Deux ERC Advanced Grants pour la FBMLes professeures Sara Mitri, au Département de microbiologie fondamentale, et Tanja Schwander, au Département d’écologie et évolution de l’Unil, reçoivent chacune un ERC Advanced Grant de l’European R...www.unil.ch
⟳ Репост от Thomas Lesaffre 🌱
Evolution Letters

Why do sex chromosomes stop recombining? New models show even weak sexual antagonism can strongly drive recombination suppression, with mating systems shaping the outcome. By @ewanflintham.bsky.social and @charlesmullon.bsky.social doi.org/10.1093/evle...

Sexual antagonism, mating systems, and recombination suppression on sex chromosomesAbstract. The suppression of recombination between sex chromosomes is a widespread feature of genetic sex determination systems. Competing explanations fordoi.org
⟳ Репост от Thomas Lesaffre 🌱
Charles Mullon

1 week left to apply for scholarships ! If you are based at an institution in an ODA recipient country (e.g. Brazil, South Africa, India, Mexico; full list: tinyurl.com/5dv7vvs8), you can get all expenses covered to attend the summer school in Lausanne for a week.

Charles Mullon

Applications now open for the UNIL Summer School on Modelling for Evolutionary Biology (31 Aug–5 Sep 2026, Lausanne)! For PhD & postdocs interested in formal approaches to evolutionary ecology (incl. social evo, life-history, species interactions). Scholarships available, Pls RP! shorturl.at/fo1GA

⟳ Репост от Thomas Lesaffre 🌱
Vincent CASTRIC

Ever wondered what makes some alleles dominant (A) and others recessive (a) ? In our new paper, we explored how a series of recently discovered "dominance modifiers", genetic elements that have long remained elusive, achieve their regulatory function. journals.plos.org/plosgenetics...

Dominance modifiers at the Arabidopsis self-incompatibility locus retain proto-miRNA features and act through non-canonical pathwaysAuthor summary Many plants avoid self-fertilization through a system of self-incompatibility, which allows them to recognize and reject their own pollen. In plants like those in the Arabidopsis family...journals.plos.org
⟳ Репост от Thomas Lesaffre 🌱
Aaditya Narasimhan

So happy to see the 2nd chapter of my PhD out! doi.org/10.1093/evol... Here, we studied populations sampled from their local elevational edges and centers on mountain slopes, and characterised the variation in G-matrices (comprised of growth and leaf investment traits) among these populations. 1/5

Variation in the genetic architecture of ecologically relevant traits along elevational gradientsAbstract. Species are confined within spatial boundaries, which may be determined by various factors. An understudied one is the genetic non-independence odoi.org
Thomas Lesaffre 🌱

🌺 PhD position in Theoretical Evolutionary Biology! 🌺 There is about two weeks left to apply to come work with me on the evolution of plant reproductive strategies at @unifr.bsky.social ! Contact me or visit here or for more info: tinyurl.com/monoecy Please share! 🌱

Thomas Lesaffre 🌱

🚨 PhD position available ! 🚨 I am hiring a PhD student to work with me on the evolution of plant sexual systems 🌺 at @unifrbiology.bsky.social ! The position is funded for 4 years by @snsf.ch as part of my Ambizione fellowship. More info here: tinyurl.com/monoecy 🌱 Please RP and share widely ! 🌱

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