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Research Fellow at Girton College, Cambridge Interested in population genomics, invasive species, hybridization, adaptation, speciation

Henry North

So much to think about! I’m heading home full of ideas and renewed enthusiasm. Stay tuned for our Theme Issue of Philosophical Transactions B

Delighted that this paper from my brilliant former PhD student Elvira Hernandez-Gutierrez is now published in @newphyt.bsky.social 😀 Elvira built a model to predict novel pest-host interactions between Agrilus beetles and oak trees 🪲🌳🪾 we hope the approach will be useful in other systems too!

Congrats to Nik Cunniffe and colleagues! Truly ambitious and impactful science

Jeremy Wang developed rammap, a minimap2 rewrite in Rust. It achieves comparable or better performance than minimap2 and produces identical output to minimap2. During rewrite, Jeremy found two long-existing bugs in minimap2 which are fixed in v2.31. www.biorxiv.org/content/10.6...

In the time I have been at Uppsala, ~9 students have contacted me about masters projects. All were women. Role models matter? Fear of sexism from teachers? Sexism in students? Please join us, we dont often bite

The GREG grants helped me travel to and and spend a couple weeks collecting in the field. Support the program! Shameless self promotion, you can see my talk on growth rate in hybrid seedlings at the link!

Henry North

Our new paper doi.org/10.1098/rspb... on long-term genetic threats to small populations finds that "mutational meltdown" (bad mutations fixing) is less of a problem than "mutational drought" (too few good new mutations) @wmawass.bsky.social @uliseshmc.bsky.social @jeremyjberg.bsky.social 1/5

Henry North

16d

13d

A big preprint from my group! Muller Elements are considered to be conserved in flies. We tested it by reconstructing the ancestral dipteran karyotype using 340 chromosomal genomes and suprise suprise, they're not... Led by @juliagries.bsky.social and Sam Ebdon. www.biorxiv.org/content/10.6... 🧵👇

12d

10d

www.biorxiv.org

Laura Kelly

Abstract. Habitat loss contributes to extinction risk in multiple ways. Genetically, small populations can face an ‘extinction vortex’—a positive feedback

Extinction vortices are driven more by a shortage of beneficial mutations than by deleterious mutation accumulation

doi.org

Looking forward to SMBE! I’ll be talking about our preprint on bidirectional adaptive introgression between Helicoverpa species, plus some more recent work www.biorxiv.org/content/10.6...

When caterpillars attack, the common bean plant relies on a receptor in its leaves to sound a chemical rallying cry that recruits predatory wasps, a new #ScienceAdvances study finds. https://scim.ag/434rXN5