Charles Mullon
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charlesmullon.bsky.social
Charles Mullon
@charlesmullon.bsky.social
Evolutionary ecologist into evolutionary theory, eco-evolutionary dynamics, evolution of genetic architecture and Drag Race 🏳️‍🌈 (he/him); Asst Prof @ UNIL

https://lab-mullon.github.io/index.html
Reposted by Charles Mullon
We have TWO post-doctoral fellowships in the Biodiversity Centre at UBC next year! Am happy to chat if you might want to be hosted in my lab. biodiversity.ubc.ca/training-and... Deadline January 15th!
November 3, 2025 at 5:16 PM
Reposted by Charles Mullon
We have an open PhD position (application deadline 9 January 2026) in "Theory of fitness landscapes" at @unibe.ch 🤓⛰️📊👩‍💻🎓: banklab.github.io/positions/

Please share widely!

#QueerInSTEM #DisabledInSTEM #BlackInSTEM #WomenInSTEM #CarersInSTEM #AcademicSky #HigherED
October 28, 2025 at 4:22 PM
Reposted by Charles Mullon
Next week's DEE External Seminar welcomes Andrew Pomiankowski (hosted by @charlesmullon.bsky.social ) with a talk on mitochondrial quality and the evolution of sexes. 12:15, November 6th at the Biophore Amphitheatre or online via REC-UNIL.
October 30, 2025 at 11:20 AM
Reposted by Charles Mullon
(1/9) Join us in Bern, Switzerland (8–11 Feb 2026) for our EMBO Workshop on Molecular Mechanisms of Selfish Elements and Strategies!

Organized with Tanja Schwander, Laura Ross (@laurarossevo.bsky.social) and Axel Imhof.

meetings.embo.org/event/26-sel...

#EMBOselfishElements #EMBOevents
Molecular mechanisms of selfish elements and strategies
Certain genes, chromosomes, organelles, or entire sets of chromosomes can bias their transmission to the next generation, propagating themselves at the expense of the rest of the genome. Referred to …
meetings.embo.org
October 27, 2025 at 5:37 PM
Reposted by Charles Mullon
🦅PhD position 🦅 in my new group at @fbm-unil.bsky.social in Switzerland, studying how the social and resource landscapes shape the learning process for soaring flight. Deadline: Oct 30. Pls repost! career5.successfactors.eu/career?caree...
October 6, 2025 at 5:56 AM
Reposted by Charles Mullon
Hybridization and introgression are major evolutionary processes. Since the 1940s, the prevailing view has been that they shape plants far more than animals. In our new study (www.science.org/doi/10.1126/...
), we find the opposite: animals exchange genes more, and for longer, than plants
September 12, 2025 at 7:55 AM
Reposted by Charles Mullon
🚨 We're hiring!
PhD position in Evolutionary Systems Biology at Stockholm University & SciLifeLab

🎓 Focus: evolution, development, computational & mathematical modeling, prediction
📍 Stockholm, Sweden
🕒 4 years, fully-funded
🔍 Details: su.varbi.com/en/what:job/...

Please share!
August 25, 2025 at 9:01 AM
Reposted by Charles Mullon
If you’d like to chat about deleterious hitchhiking under balancing selection, come and check my poster number 231 this afternoon! #ESEB2025
August 21, 2025 at 11:13 AM
Reposted by Charles Mullon
If you like cooperation, dispersal, modelling, or you just want to have a chat, come to see me poster P03.050 #ESEB2050
August 21, 2025 at 8:36 AM
Reposted by Charles Mullon
I'm looking to recruit a PhD student to study patterns of local adaptation and introgression across the spruce hybrid zone in the Rockies near Calgary. Projects can include field work, bioinformatics, pop gen theory, or comparison to plant/ conifer species
yeamanlab.weebly.com/uploads/5/7/...
August 20, 2025 at 8:19 PM
Reposted by Charles Mullon
Will be presenting this work today at #eseb2025 poster P02.184, come by if interested about whether we should expect recombination suppression on sex chromosomes should evolve through modifiers on the X or the Y
Sexual antagonism, mating systems, and recombination suppression on sex chromosomes https://www.biorxiv.org/content/10.1101/2025.05.15.654257v1
August 19, 2025 at 2:39 PM
Reposted by Charles Mullon
My poster P02.385 is now up on its board! Come say hi if you want to learn about the role of sexual conflict in transitions from combined to separate sexes is plants! 🌱 #ESEB2025
Delighted to have our work on the joint emergence of dioecy and sexual dimorphism be part of this wonderful special issue!

I will be presenting this at @eseb2025.bsky.social in a couple of weeks, poster P02.385 on Aug 19th. Feel free to pop by! ☺️
NEW SPECIAL ISSUE JUST RELEASED!

Sex unfolded: sex, asex, sexes. Read the introductory editorial by Guest Editors D. Roze, S Glemin, @thomaslenormand.bsky.social & K. Van Doninck here: academic.oup.com/jeb/issue/38/7

Fantastic cover art by Caroline Blanc.
August 19, 2025 at 8:21 AM
Reposted by Charles Mullon
A little late to share, but the first paper from the @heredityjournal.bsky.social special issue on functional and adaptive effects of genomic structural variation is now out!
Multiple forms of balancing selection maintain inversion polymorphism - Heredity
Heredity - Multiple forms of balancing selection maintain inversion polymorphism
www.nature.com
August 1, 2025 at 6:17 PM
Reposted by Charles Mullon
Interested to know more about a new theory relating the #evolution of #sexchromosomes to the rules of #speciation? Check out this paper that we published with Denis Roze in the last issue of #Science. PDF here: www.science.org/stoken/autho...
A single theory for the evolution of sex chromosomes and the two rules of speciation
Sex chromosomes are involved in three major empirical patterns: (i) Y (or W) chromosomes are often nonrecombining and degenerate; (ii) heterogametic offspring (XY or ZW) from interspecific crosses are...
www.science.org
July 12, 2025 at 9:04 PM
Reposted by Charles Mullon
NEW SPECIAL ISSUE JUST RELEASED!

Sex unfolded: sex, asex, sexes. Read the introductory editorial by Guest Editors D. Roze, S Glemin, @thomaslenormand.bsky.social & K. Van Doninck here: academic.oup.com/jeb/issue/38/7

Fantastic cover art by Caroline Blanc.
Volume 38 Issue 7 | Journal of Evolutionary Biology | Oxford Academic
Journal of Evolutionary Biology
academic.oup.com
August 4, 2025 at 10:21 AM
Reposted by Charles Mullon
New in #EcologyLetters: How does extinction time scale with habitat size? An experiment with #Daphnia found strong support for power law—not exponential—scaling. A rare test of a big theoretical question.

Link: onlinelibrary.wiley.com/doi/full/10....
#Ecology #Extinction #Scaling #Microcosms
Scaling of Extinction Time With Habitat Size in Experimental Populations
Theory predicts that extinction time scales with carrying capacity as either an exponential or power law. Extinction time in 35 laboratory populations was more consistent with a power law than expone....
onlinelibrary.wiley.com
July 25, 2025 at 8:40 AM
Just a few day left to apply !
Applications now open for UNIL Summer School on Modelling for Evo Bio (1–6 Sept 2025, Lausanne)!
Aimed at PhD students interested in formal approaches to evolutionary ecology questions like sexual selection, social & life-history evolution. Scholarships available.
Pls share! www.shorturl.at/znk5g
June 24, 2025 at 10:41 AM
Reposted by Charles Mullon
Great job opportunity at The Center for Integrative Genomics, Lausanne University, Switzerland unil.ch/cig/en/home....
For a tenure-track Assistant Professor position. More details for how to apply are here nature.com/naturecareer...
June 16, 2025 at 4:18 PM
Reposted by Charles Mullon
My paper with @schmidmax.bsky.social and @charlesmullon.bsky.social is out in @journal-evo.bsky.social 🌟 doi.org/10.1093/evol... 🌟 We show how the effect of longevity on local adaptation, rather than being unidirectional, depends on the life cycle and how frequent selection is relative to dispersal
The evolution of local adaptation in long-lived species
Abstract. Many species experience heterogeneous environments and adapt genetically to local conditions. The extent of such local adaptation depends on a ba
doi.org
June 3, 2025 at 7:26 AM
Reposted by Charles Mullon
New paper out with Thomas Brazier, Denis Roze and Sylvain Glémin!
May 12, 2025 at 12:31 PM
Reposted by Charles Mullon
Very happy to announce the publication of our latest work by my former student Sylvain Pouzet in @journal-evo.bsky.social: "Gene network topology drives the mutational landscape of gene expression".

doi.org/10.1093/evol...

#GeneRegulatoryNetworks
#PopulationGenetics
#EvolutionarySystemsBiology
May 16, 2025 at 12:58 PM
Reposted by Charles Mullon
New paper out in @jxbotany.bsky.social! 🌱🌾

We found that mixing different wheat varieties can decrease belowground competition at early growth stages, especially under resource limited conditions.
May 7, 2025 at 5:58 PM
Last chance to attend the school for free if you're doing your PhD in an Official Development Assistance (ODA) country ! Apply by 15 May for a full scholarship covering tuition, travel, accommodation, and meals.
Applications now open for UNIL Summer School on Modelling for Evo Bio (1–6 Sept 2025, Lausanne)!
Aimed at PhD students interested in formal approaches to evolutionary ecology questions like sexual selection, social & life-history evolution. Scholarships available.
Pls share! www.shorturl.at/znk5g
May 12, 2025 at 8:24 AM
Applications now open for UNIL Summer School on Modelling for Evo Bio (1–6 Sept 2025, Lausanne)!
Aimed at PhD students interested in formal approaches to evolutionary ecology questions like sexual selection, social & life-history evolution. Scholarships available.
Pls share! www.shorturl.at/znk5g
April 17, 2025 at 3:21 PM
Reposted by Charles Mullon
Interested in doing a postdoc at the National Institute of Genetics in Japan focusing on theoretical ecology and evolutionary biology? Consider applying for the NIG postdoc fellowship! www.nig.ac.jp/nig/career-d...
Application Guidelines for NIG Postdoctoral Fellows 2026::National Institute of Genetics
NIG is the research institute on genetics. Our mission is to provide infrastructure and opportunities for international collaboration, to train young scientists, and to build new frontiers of life sci...
www.nig.ac.jp
March 31, 2025 at 8:41 AM