Sign in

Charles Mullon

@charlesmullon.bsky.social
1.2K followers 1.6K following 48 posts

Evolutionary ecologist into evolutionary theory, eco-evolutionary dynamics, evolution of genetic architecture and Drag Race 🏳️‍🌈 (he/him); Asst Prof @ UNIL lab-mullon.github.io/index.html

PostsRepliesMedia
Reposted by Charles Mullon
Jeremy Van Cleve @vancleve.theoretical.bio · 29/09/2026
My group is recruiting a Ph.D student for Fall 2027! We're a friendly group of mathematically-minded and computationally-inspired biologists studying topics including social evolution, host-pathogen interactions, genetics, and demography. See vancleve.theoretical.bio for more info!
vancleve.theoretical.bio
van cleve research group
Van Cleve Research Group – theoretical evolution & ecology at the University of Kentucky
04966
Reposted by Charles Mullon
Hanna Kokko @kokkonut.bsky.social · 04/09/2026
Are you into mathematical modelling of ecological and evolutionary systems? Look at this job ad for a senior lecturer in Lund. I've visited many times, splendid compact city, splendid department! lu.varbi.com/en/what:job/...
lu.varbi.com
Senior Lecturer in Computational Biology
Lund University welcomes applicants with different backgrounds and experiences. Gender equality, equal opportunities and diversity are fundamental principles in all parts of the University’s activit
04157
Reposted by Charles Mullon
Will Allen @wlallen.bsky.social · 19/08/2026
New Paper: Ornaments evolve faster than weapons Combining a new theoretical model of sexually selected trait evolution with comparative analyses across ten clades, we suggest that drift in female preferences accelerates the rate of ornament evolution. royalsocietypublishing.org/rspb/article...
royalsocietypublishing.org
Ornaments evolve faster than weapons
Abstract. We investigate the evolutionary dynamics of sexually selected traits using both a mathematical model and comparative analyses, focusing on the re
06026
Charles Mullon @charlesmullon.bsky.social · 19/08/2026
With @ewanflintham.bsky.social @thomaslesaffre.bsky.social and @sarperotto.bsky.social we've been thinking about what theory tells us about sexual antagonism (SA = when selection favours different trait values in females and males). Our review is here: tinyurl.com/ct5mk8mv
14524
Charles Mullon @charlesmullon.bsky.social · 03/08/2026
Looking for an Associate Prof position? Interested in behavioural ecology & cultural evolution? Come join us at the Dpt of Ecology and Evolution in Lausanne🇨🇭 @dee-unil.bsky.social @unil.bsky.social! Great department & great place to live. Pls RP. Apply here: wwwfbm.unil.ch/releve/appli...
15490
Reposted by Charles Mullon
bioRxiv Evolutionary Biology @biorxiv-evobio.bsky.social · 03/07/2026
Differential selection between sexes and the evolution of recombination in haplodiploids www.biorxiv.org/content/10.64898/20…
096
Reposted by Charles Mullon
Michael Sieber @michaelsieber.bsky.social · 01/07/2026
Have ideas for your own, independent research program in Theoretical Biology? Then come and join us as a Group Leader at the @mpi-evolbio.bsky.social in Plön, Germany!
mpg.de
Group Leader in Theoretical Biology (m/f/d)
Experience in Theoretical Biology, Applied Mathematics, Theoretical Physics
07383
Charles Mullon @charlesmullon.bsky.social · 26/06/2026
Last chance to apply !
037
Reposted by Charles Mullon
Arnaud Le Rouzic @arnaudlerouzic.bsky.social · 03/06/2026
Interested in a PhD in Theoretical evolutionary ecology? A position is opened in my lab. "Theoretical and statistical modeling of eco-evolutionary feedback loops from abundance-phenotype time series" Details and application: emploi.cnrs.fr/Offres/Docto...
A simple overview of eco-evo feedback loops: the environment influences the evolution of phenotypes and genotypes, which in turn affect the population density, and thus the environment.
098
Charles Mullon @charlesmullon.bsky.social · 21/05/2026
New paper with the brilliant @ewanflintham.bsky.social How fast does recombination suppression evolve among sex chromosomes? We show that even weak sexual antagonism (so hard to detect) makes this fast, often via inversions fixing on X/Z depending on mating system: doi.org/10.1093/evle...
12219
Charles Mullon @charlesmullon.bsky.social · 09/05/2026
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.
01417
Reposted by Charles Mullon
Asher Leeks @asherleeks.bsky.social · 28/04/2026
We're recruiting! We're looking for two graduate students to join us at UBC in Vancouver. Fully funded and open to global applicants, with flexible start-date. Topics include theory, bioinformatics, and microbiology. More details: asherleeks.com/apply #socialviruses #evosky #virosky 🧪
Leeks Lab is recruiting. We study social evolution in viruses. We're recruiting for two fully funded PhD or MSc positions, starting from September 2026. Evolutionary theory / experimental microbiology / viral bioinformatics. Experience optional / enthusiasm essential. asherleeks.com/apply
26889
Reposted by Charles Mullon
Vincent CASTRIC @vincentcastric.bsky.social · 29/04/2026
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...
journals.plos.org
Dominance modifiers at the Arabidopsis self-incompatibility locus retain proto-miRNA features and act through non-canonical pathways
Author 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...
16738
Charles Mullon @charlesmullon.bsky.social · 22/04/2026
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
05780
Reposted by Charles Mullon
Alex Stewart @alexanderjstewart.bsky.social · 02/04/2026
New paper published today in @pnas.org with @filippozimmaro.bsky.social Mirta Galesic and @jacrickets.bsky.social LINK: www.pnas.org/doi/10.1073/... We use evolutionary game theory to study when populations will fracture into groups that differ in their beliefs, behaviors and preferences.
2157
Reposted by Charles Mullon
Hanna Kokko @kokkonut.bsky.social · 24/03/2026
Are you looking for a PhD position, hoping to learn sexual selection theory from one of the true experts in the field? Lehtonen's work is awesome - Look at this and apply! ats.talentadore.com/apply/doctor...
ats.talentadore.com
Doctoral Researcher in Theoretical Evolutionary Biology (1-2 positions)
The Department of Biological and Environmental Science is seeking to recruit Doctoral Researcher in sexual selection theory (1-2 positions) starting 1.9.2026, or as soon as possible after that for a m...
02835
Charles Mullon @charlesmullon.bsky.social · 16/03/2026
Go work with Thomas, he's great !
031
Charles Mullon @charlesmullon.bsky.social · 09/03/2026
With @saramitri.bsky.social, @sonjalehtinen.bsky.social and L. Lehmann we’ve launched the UNIL Center for Theory in Ecology and Evolution @unil.bsky.social🇨🇭 To kick things off, we’re offering short visiting fellowships for theorists in ecology & evolution. Apply & pls RP 😀 tinyurl.com/2wem36zz
unil.ch
Unil center for theory in ecology and evolution (UCTEE) - FBM Unil
Page Unil Center for Theory in Ecology and Evolution of site Faculty of Biology and Medicine hosted by the University of Lausanne
09276
Charles Mullon @charlesmullon.bsky.social · 03/03/2026
Many organisms, including humans, reshape their environments in ways that influence the conditions faced by future generations. We ask whether this can favour biological variation with @irisprigent.bsky.social in our new paper. Thanks to @dee-unil.bsky.social @snsf.ch www.pnas.org/doi/full/10....
pnas.org
PNAS
Proceedings of the National Academy of Sciences (PNAS), a peer reviewed journal of the National Academy of Sciences (NAS) - an authoritative source of high-impact, original research that broadly spans...
02717
Charles Mullon @charlesmullon.bsky.social · 23/02/2026
V happy to share new paper led by @schmidmax.bsky.social: doi.org/10.1111/ele.... We show that plastic germination timing not only buffers environmental fluctuations (storage effect) but also promotes divergence, temporal assortative mating and thus ecological speciation. Thx @dee-unil.bsky.social
doi.org
Plastic Germination, Temporal Niche Partitioning and Emergent Assortative Mating in Annual Plants
Temporal environmental fluctuations can drive genetic diversity and species coexistence via the storage effect. Using eco-evolutionary models of annual plants, we show that adaptive plasticity in see...
0126
Reposted by Charles Mullon
Thomas Lesaffre 🌱 @thomaslesaffre.bsky.social · 18/02/2026
🌺 New preprint out with John Pannell and @charlesmullon.bsky.social ! 🌺 We show that selection broadly favours a form of plasticity for the selfing rate where individuals adjust their mating behaviour to their condition — their overall vitality owing to their genetic background and environment. ⤵️
01911
Reposted by Charles Mullon
Mario Vallejo-Marin @nicrodemo.bsky.social · 28/01/2026
Join us at the Evolutionary Biology Centre at Uppsala University. We’re searching for an Assistant Professor in Biology. www.uu.se/en/about-uu/...
Uppsala in late autumn
1159185
Reposted by Charles Mullon
Jordan S. Martin @jsmartin.bsky.social · 02/02/2026
I am looking for a PhD student to join my new Socio-Eco-Evo group, hosted in Katie Peichel's Evolutionary Ecology Division @ University of Bern. We're offering a fully funded 4-year position, studying social plasticity and behavioral adaptation among stickleback in Greenland. Please share around!
17895
Charles Mullon @charlesmullon.bsky.social · 29/01/2026
New paper with @vsudbrack.bsky.social. Using pop gen modelling, we show that partial selfing makes selection on tandem repeats more efficient, reducing the associated load across different scenarios. Thanks to @snsf.ch @dee-unil.bsky.social @fbm-unil.bsky.social ! www.nature.com/articles/s41...
nature.com
The evolution of tandem repeat sequences under partial selfing and different modes of selection - Heredity
Heredity - The evolution of tandem repeat sequences under partial selfing and different modes of selection
01810
Reposted by Charles Mullon
Hugo Darras @hugodarras.bsky.social · 06/01/2026
New work from @miyapan.bsky.social and our team, bringing ant, bee, and wasp labs together. @chuanxinyu.bsky.social shows that the ANTSR locus we discovered in ants has determined sex for 150+ My across bees and stinging wasps 🐜🐝, despite virtually no sequence conservation 😮 doi.org/10.1073/pnas...
29037
Reposted by Charles Mullon
Sebastian Schreiber @sebastianschreiber.bsky.social · 07/12/2025
Looking forward to the Modern Coexistence Theory workshop tomorrow. Please repost :)
02327
Reposted by Charles Mullon
Max Reuter @maxreuter.bsky.social · 04/12/2025
It’s that time of the year again: we are looking for a new cohort of @jevbio.bsky.social editors. Join our board and support your #SocietyJournal!
067
Reposted by Charles Mullon
Miya Qiaowei Pan @miyapan.bsky.social · 01/12/2025
Excited to share that I’m starting a research group at MPI for Biology Tübingen — and we’re recruiting PhD students! We are offering two fully funded PhD positions on sex determination and development in Hymenoptera 🐜🐝. Please share with prospective students who might be interested.
1119
Charles Mullon @charlesmullon.bsky.social · 01/12/2025
Great opportunity for those interested in fundamental questions in evolutionary biology and mathematical models: postdoc opening in Laurent Lehmann’s group @unil.bsky.social. We have a lively community of theorists here in Lausanne with good interactions across groups. Join us ! Please RP
01821
Reposted by Charles Mullon
Jorge Peña 🇵🇸 @jorgeapenas.bsky.social · 13/11/2025
📣 Are you a PhD student in the quantitative social sciences interested in interdisciplnary research? Join us at the Toulouse Summer School in Quantitative Social Sciences (25 May-19 Jun 2026) at @tse-fr.eu. Apply by 15 Dec 2025 🎓🔍 👉 More info + application: www.tse-fr.eu/toulouse-sum...
tse-fr.eu
Toulouse Summer School in Quantitative Social Sciences
055
Reposted by Charles Mullon
Alexei Maklakov @alexeimaklakov.bsky.social · 19/11/2025
1/6 In a new preprint we ask a question: Why do males and females so often age and die at different rates? We argue that sex-specific mutation accumulation may be the most parsimonious evolutionary explanation for sex-biased ageing: ecoevorxiv.org/repository/v...
ecoevorxiv.org
Sex-specific mutation accumulation: A parsimonious explanation for sex differences in lifespan and ageing
22714
Reposted by Charles Mullon
Judith Mank @judithmank.bsky.social · 03/11/2025
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!
28369
Reposted by Charles Mullon
Claudia Bank @cbank.bsky.social · 28/10/2025
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
03641
Reposted by Charles Mullon
Department of Ecology and Evolution (DEE) - UNIL @dee-unil.bsky.social · 30/10/2025
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.
Next week's DEE External Seminar welcomes Andrew Pomiankowski (hosted by Charles Mullon) with a talk on mitochondrial quality and the evolution of sexes. 12:15, November 6th at the Biophore Amphitheatre or online via REC-UNIL.
032
Reposted by Charles Mullon
Luca Soldini @lucasoldini.bsky.social · 27/10/2025
(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
meetings.embo.org
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 …
11017
Reposted by Charles Mullon
Elham Nourani @enourani.bsky.social · 06/10/2025
🦅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...
Golden eagle on the nest in Finland (by O. Karlin)
111081
Reposted by Charles Mullon
Camille Roux @crouxevo.bsky.social · 12/09/2025
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
3207120
Reposted by Charles Mullon
Lisandro Milocco @milocco.bsky.social · 25/08/2025
🚨 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!
06661
Reposted by Charles Mullon
Roman Stetsenko @romanstet.bsky.social · 21/08/2025
If you’d like to chat about deleterious hitchhiking under balancing selection, come and check my poster number 231 this afternoon! #ESEB2025
082
Reposted by Charles Mullon
Iris Prigent @irisprigent.bsky.social · 21/08/2025
If you like cooperation, dispersal, modelling, or you just want to have a chat, come to see me poster P03.050 #ESEB2050
043
Reposted by Charles Mullon
Sam Yeaman @samyeaman.bsky.social · 20/08/2025
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/...
26675
Reposted by Charles Mullon
Ewan Flintham @ewanflintham.bsky.social · 19/08/2025
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
063
Reposted by Charles Mullon
Thomas Lesaffre 🌱 @thomaslesaffre.bsky.social · 19/08/2025
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
165
Reposted by Charles Mullon
Charikleia Karageorgiou (Clio) @evobioclio.bsky.social · 01/08/2025
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!
nature.com
Multiple forms of balancing selection maintain inversion polymorphism - Heredity
Heredity - Multiple forms of balancing selection maintain inversion polymorphism
1133
Reposted by Charles Mullon
Thomas Lenormand @thomaslenormand.bsky.social · 12/07/2025
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...
science.org
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...
03718
Reposted by Charles Mullon
Journal of Evolutionary Biology @jevbio.bsky.social · 04/08/2025
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.
academic.oup.com
Volume 38 Issue 7 | Journal of Evolutionary Biology | Oxford Academic
Journal of Evolutionary Biology
11814
Reposted by Charles Mullon
John M. Drake @jdrakephd.bsky.social · 25/07/2025
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
onlinelibrary.wiley.com
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....
0154
Charles Mullon @charlesmullon.bsky.social · 24/06/2025
Just a few day left to apply !
054
Reposted by Charles Mullon
Christian Fankhauser @chfankhauser.bsky.social · 16/06/2025
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...
05166
Reposted by Charles Mullon
Loraine Hablützel @lorhab.bsky.social · 03/06/2025
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
doi.org
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
04614