Mattias Siljestam
msiljestam.bsky.social
Mattias Siljestam
@msiljestam.bsky.social
Postdoc working with mathematical models of evolution. Dept of Ecology, Environment and Plant Sciences, Stockholm University
Reposted by Mattias Siljestam
📣 New PhD position on flycatchers with @qvarnstromlab.bsky.social — spread the word!

Combine bioinformatics, long-term datasets and field work to explore climate adaptation and speciation in the lovely flycatchers. Join us in Uppsala, Sweden! Apply by Mar 18: www.uu.se/en/about-uu/...

#ecoevojob
February 20, 2025 at 8:14 PM
Reposted by Mattias Siljestam
Paper alert! More evidence that sex-specific dominance of regulatory variants contributes to the maintenance of genetic variation in fitness mediated by sexually antagonistic selection in Seed Beetles!
academic.oup.com/mbe/article/...
February 3, 2025 at 8:02 AM
Eco-evolutionary model showing that heterozygote advantage can explain the extraordinary diversity of immune genes!

Our new paper (out in #eLife: doi.org/10.7554/eLif...) identifies the conditions under which heterozygote advantage can drive the evolution of such diversity, found in e.g. #MHC genes
Heterozygote advantage can explain the extraordinary diversity of immune genes
An eco-evolutionary model shows that heterozygote advantage can maintain over 100 major histocompatibility complex alleles, providing a potent explanation for extraordinary immune gene diversity and c...
doi.org
January 20, 2025 at 2:42 PM
Reposted by Mattias Siljestam
Had a great time at the Evolution in Sweden Conference @scilifelab.se!

Presented a poster about my MSc focusing on The Impacts of Feralization on The Horse Gut Microbiome 🐴🦠

#microbiome #gut-microbiome
#feralization
January 15, 2025 at 4:01 PM
Reposted by Mattias Siljestam
Had a great time presenting my work @Evolution in Sweden.

Epigenetic regulation of immune response in the Swedish sand lizard 🦎

#hostparasite #sexspecific #epigenetics #reptiles
#immunity
January 15, 2025 at 2:53 PM
Had a nice time presenting my postdoc project at Evolution in Sweden.

Nuclear Cooperation as a Driver of Evolutionary Transitions in Fungi 🍄

Showing how cooperation between nuclei can drives #evolutionarytransitions in individuality using #mathematicalmodelling

#heterokaryosis
#adaptivedynamics
January 15, 2025 at 5:04 PM