Karin Näsvall

@k-nasvall.bsky.social

I am interested in evolutionary genomics, chromosome evolution, structural variation, recombination and anything outdoors. Postdoctoral fellow at Tree of Life, Wellcome Sanger Institute, Cambridge, UK. Vet and PhD in Evolutionary genomics at EBC, Uppsala.

Chromosomes are often classified as either monocentric (single centromere per chr) or holocentric (centromeric activity spread across each chr). In reality, there is a continuum in centromere organisation - and cyperids are a fascinating system to explore this in as James shows in this preprint! 🌱

James McCulloch@jamesimcc.bsky.social · 5mo ago

Why do the chromosomes of cyperids (sedges & rushes) split and fuse so regularly on evolutionary timescales? Is it because they have so many centromeres? Our new preprint, the first major paper of my PhD, addresses this question. 🧵⬇️ 1/12 www.biorxiv.org/content/10.6...

A sedge. It may look unassuming but its genome has several unusual features.

Looking back to a wonderful week of teaching biodiversity genomics in Mendoza, Argentina. The participants from 8 South and Central American countries learned the basics of biodiversity genomics from assessing data quality to performing population and comparative genomics analysis.

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(1/6) 🦋 We are thrilled to announce the release of the 1,000th reference genome of Lepidoptera species found in Europe! This goal was reached with the release of Stenoptilia islandicus, also known as the mountain plume moth. Read the story below!👇🏽

Genome sequencing progress for Lepidoptera. 
Stacked bar charts represent the cumulative number of lepidopteran species with a reference genome per year. The colours represent the different levels of genome assembly quality, ranging from contig to chromosome-level. Numbers in brackets represent the range in numbers of species that have a given assembly level per year. Data derived from GoaT on 05.09.2025.

Huge thanks and congrats to @siluwang.bsky.social and Anne Yoder for organising this amazing special issue. It has been fun contributing and interacting with Silu, Anne and the authors of the other manuscripts, including in a Zoom "tea break" where we presented our projects to each other.

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Happy to share that the second edition of our course Introduction to Biodiversity Genomics will take place in Mendoza, Argentina, in November 24-28th 2025. Application deadline: September 1st, 2025.

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In today's episode of the Night Science Podcast we talk with Martin Schwartz from Yale about the importance of stupidity in science: while learning science makes you feel smart, true scientific discovery often involves feeling stupid, because it means venturing into the unknown.

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The Night Science Podcast@nightsciencepod.bsky.social · last yr.

New Night Science Podcast episode! Martin Schwartz from Yale talks with us about the importance of stupidity in scientific research, how the ego can obstruct creativity, and how resilience, self-discovery, and "passionate indifference" – are key in science. podcasts.apple.com/us/podcast/n...