Kjetill S Jakobsen
@kjetillsj.bsky.social
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📥 78
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Evolutionary biologist studying functional, comparative and populations diversity processes
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Kjetill S Jakobsen
José Cerca
6 days ago
🧨 The Naturhistoriska riksmuseet has a position open for a Tenure-Track group Leader position (DDLS fellow). 17 M SEK start-up (1.6 million euros, which will account for your salary / 2 PhDs / 2 Postdocs / plenty of money for starting projects and sending peoeple to conferences).
lnkd.in/d5jNr_Ti
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LinkedIn
This link will take you to a page that’s not on LinkedIn
https://lnkd.in/d5jNr_Ti
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Chris Lennard
12 days ago
Cool intro to the Earth Biogenome Project (link in the article) … and who doesn’t love our cute Aussie spiders? 🕷️
share.google/XvZI57IbEdNU...
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'Dark DNA' may explain dancing spiders' extraordinary diversity
There are many more species of peacock spider than other animals, scientists think they may know why.
https://share.google/XvZI57IbEdNUy9Hyi
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Kjetill S Jakobsen
Genome Biology and Evolution
5 days ago
The recent GBE Review on approaches to phylogenetic genotype to phenotype mapping is the focus of a new Highlight. Highlight: Leveraging Phylogenomics to Uncover the Loci of Repeated Evolution 🔗
doi.org/10.1093/gbe/evaf164
#genome
#evolution
#phylogenetics
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Kjetill S Jakobsen
Genome Biology and Evolution
7 days ago
In a new Review article in GBE,
@scientific-arlie.bsky.social
et al delve into the growing field of phylogenetic genotype to phenotype mapping (PhyloG2P), discussing advances and future directions for using phylogenomic data to map traits to genomes 🔗
doi.org/10.1093/gbe/evaf150
#genome
#evolution
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Kjetill S Jakobsen
PLOS Biology
8 days ago
Neuron-specific splicing of Agrin by Nova is essential for AChR clustering at the NMJ.
@rnadoctor.bsky.social
@lionlchristiaen.bsky.social
&co show that this pathway is conserved in tunicates & that the transcription factor Ebf is a key activator of Nova expression
@plosbiology.org
🧪
plos.io/3VhTwig
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Kjetill S Jakobsen
Nature Reviews Genetics
8 months ago
Nuclear mRNA decay: regulatory networks that control gene expression
go.nature.com/3WzQ7wc
#Review
by Xavier Rambout & Lynne E. Maquat
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Nuclear mRNA decay: regulatory networks that control gene expression - Nature Reviews Genetics
In this Review, the authors summarize our current understanding of nuclear pre-mRNA and mRNA decay pathways. They describe how aberrantly processed mRNAs are targeted for decay in the nucleus and how ...
https://www.nature.com/articles/s41576-024-00712-2?utm_source=bluesky&utm_medium=social&utm_campaign=nrg#Review
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Kjetill S Jakobsen
Matt Friedman
10 days ago
Do you like cichlids? Fossils? Fossil cichlids? Would you like to study them as part of a graduate degree at the University of Michigan, joining an NSF-funded project? Get in touch.
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Lukas VF Novak
10 days ago
#Arctic
#algae
aren't immobile or entombed. They're not just surviving either—they're gliding into record books
phys.org/news/2025-09...
Ice gliding
#diatoms
establish record-low temperature limits for motility in a eukaryotic cell
www.pnas.org/doi/10.1073/...
#protists
#microbes
#extremophiles
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Catherine Chambers
13 days ago
📣 New paper out! Ecosystem approach to capelin fisheries
#marsocsci
link.springer.com/article/10.1...
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Small fish, big implications: considerations for an ecosystem approach to capelin fisheries management - Reviews in Fish Biology and Fisheries
Climate-driven changes in the Subarctic will directly impact capelin populations and the ecosystem they inhabit, including their predators, prey, and physical habitats. Consequently, incorporating eco...
https://link.springer.com/article/10.1007/s11160-025-09986-z
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Kjetill S Jakobsen
Kristen Behrens, PhD
10 days ago
So proud to see my cohort-mate’s paper up!
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Kjetill S Jakobsen
Camille Roux
11 days ago
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
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Richard Lenski
11 days ago
Curious to hear thoughts from
#popgen
,
#humangenetics
,
#genomics
folks on recent paper:
www.pnas.org/doi/10.1073/...
"Directed mutation" in specific human pop'ns seems unlikely to me. DM didn't stand up as proposed in bacteria, but there are hot spots shaped by past selection. Plausible here?
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Kjetill S Jakobsen
bioRxiv Evolutionary Biology
10 days ago
Parallel but distinct adaptive routes in the budding and fission yeasts after 10,000 generations of experimental evolution
https://www.biorxiv.org/content/10.1101/2025.09.11.675703v1
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Kjetill S Jakobsen
Christian Landry
13 days ago
Really excited to share our latest paper led by
@simonaube.bsky.social
. Fascinating results examining whether regulatory mutations can lead to adaptation as fast as coding mutations do.
#mevosky
#evobio
#evoSky
www.biorxiv.org/content/10.1...
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Adaptation is less accessible through mutations in promoters than in coding sequences when large effect sizes are needed
Mutations within promoters and coding sequences are both involved in adaptation, but their relative contributions remain to be compared directly. Using the fungal enzyme cytosine deaminase, we examine...
https://www.biorxiv.org/content/10.1101/2025.09.09.675213v1
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José Cerca
13 days ago
Cool preprint! 🚨 Lanternfish lack MHC I and functional MHC II — yet still produce antibodies! 🧬🐟
www.biorxiv.org/content/10.1...
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The genome of the Glacier lanternfish shows loss of MHC I and II function and provides insight into evolution of lanternfish immune systems
Lanternfishes (Myctophidae) are one of the most abundant and species diverse orders inhabiting the mesopelagic zone. Exploitation of marine resources has recently attracted increased interest. It is t...
https://www.biorxiv.org/content/10.1101/2025.08.28.672920v1
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Kjetill S Jakobsen
Rose 🌹
13 days ago
People are talking about Bluesky! From data analyzed between Jan 1 — Aug 18, 2025, we captured 85.5% of share of voice across social, digital, and traditional media, according to Meltwater. This is what death looks like 💀
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Wouter van der Bijl
13 days ago
Our paper on the genetics of guppy color patterns has now been assigned an issue in NEE:
doi.org/10.1038/s415...
With this paper, we also publish all 14,100 guppy photos used in the study, including before and after alignment and ornament extraction:
doi.org/10.20383/103...
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Kjetill S Jakobsen
Department of Biosciences, University of Oslo
15 days ago
New publication about how Climate-induced shifts in spawning locations for
#Atlantic
#cod
may lead to smaller offspring, impacting survival and recruitment success. With Ø. Langangen, T. Olsen, G. Ottersen, J. Durant
@jodurant.bsky.social
from
@biovitenskap.bsky.social
Published
@cjfas.bsky.social
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Consequences of climate-related poleward shifts in cod spawning
With climate change, many species alter their distribution according to local climate velocities. For marine fish, suitable areas for spawning in a warming climate may be less favorable for the result...
https://cdnsciencepub.com/doi/10.1139/cjfas-2024-0380
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Kjetill S Jakobsen
Rob Waterhouse
16 days ago
Arctic charr
#genome
- gradual development of reproductive isolation, locus-specific differentiation and eventually complete reproductive isolation and genome-wide divergence
onlinelibrary.wiley.com/doi/full/10....
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Whole Genome Sequencing Reveals How Plasticity and Genetic Differentiation Underlie Sympatric Morphs of Arctic Charr
Salmonids have a remarkable ability to form sympatric morphs after postglacial colonisation of freshwater lakes. These morphs often differ in morphology, feeding and spawning behaviour. Here, we expl....
https://onlinelibrary.wiley.com/doi/full/10.1111/mec.70085
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Kjetill S Jakobsen
Aurora Ruiz-Herrera
16 days ago
🔖Last review from the lab👇 'Male meiosis at the helm: shaping genomes and sex chromosomes in emerging vertebrate models'
academic.oup.com/biolreprod/a...
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Male meiosis at the helm: shaping genomes and sex chromosomes in emerging vertebrate models†
Abstract. The generation of haploid gametes is a hallmark of sexual reproduction achieved through a complex, albeit tightly regulated, reductional cell div
https://academic.oup.com/biolreprod/article/doi/10.1093/biolre/ioaf175/8219925
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Kjetill S Jakobsen
Rob Waterhouse
16 days ago
Earth BioGenome Project Frontiers Online Forum Deep Dive on September 18, 2025 (07:00 PT | 16:00 CEST), where we will discuss the article and chart next steps for the field. 📌 Register here:
events.frontiersin.org/earth-biogen...
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Kjetill S Jakobsen
Nature
19 days ago
A common type of ant in Europe breaks a fundamental rule in biology: its queens can produce male offspring that are a whole different species
go.nature.com/4mOb5T9
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‘Almost unimaginable’: these ants are different species but share a mother
Ant queens of one species clone ants of another to create hybrid workers that do their bidding.
https://go.nature.com/4mOb5T9
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Jonathan Romiguier
19 days ago
You may have missed this
#ant
poster at
#ESEB2025
, but be sure not to miss the article just published in
#openacess
in
@nature.com
:
www.nature.com/articles/s41...
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One mother for two species via obligate cross-species cloning in ants - Nature
In a case of obligate cross-species cloning, female ants of Messor ibericus need to clone males of Messor structor to obtain sperm for producing the worker caste, resulting in males from the same moth...
https://www.nature.com/articles/s41586-025-09425-w
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Kjetill S Jakobsen
Joost Raeymaekers
18 days ago
📢 Exciting PhD fellowship with a great mix of ecosystem ecology and invasion biologie in Northern Norway!
www.jobbnorge.no/en/available...
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PhD position in Carrion & Invasive Species Ecology (283012) | Nord University
Job title: PhD position in Carrion & Invasive Species Ecology (283012), Employer: Nord University, Deadline: Sunday, September 21, 2025
https://www.jobbnorge.no/en/available-jobs/job/283012/phd-position-in-carrion-invasive-species-ecology?fbclid=IwY2xjawMmsNpleHRuA2FlbQIxMQABHpguMbJLa6oUPYZifPfdAW-CrlRwcQQMchGtL8X7QgBiTCeXFwuRRTM2qtqZ_aem_tq4WlXmlCVIGkaS6nfJzIQ
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Kjetill S Jakobsen
Truls Gulowsen
19 days ago
Høyt fiskepress har endret alder for kjønnsmodning og genetisk sammensetning hos Barents-torsken, som er verdens største gjenværende torskebestand. Også på Grand Banks gikk gytealderen ned før kollapsen var et faktum
www.forskning.no/dna-fisk-hav...
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Skreien er annerledes i dag enn for 100 år siden
Torsken er ikke genmanipulert. Endringene er menneskeskapte, ifølge ny forskning.
https://www.forskning.no/dna-fisk-havforskning/skreien-er-annerledes-i-dag-enn-for-100-ar-siden/2543524?fbclid=IwZnRzaAMmBvVleHRuA2FlbQIxMQABHgdqUr80wkMGHv4pmKlvKTz8Ww09-qg_-WyWz7UsfWaC3kSwD1uznp0nk6AC_aem_KUgp-F2qhPmNI_jSaKLDWw
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Kjetill S Jakobsen
Jente Ottenburghs | Avian Hybrids
19 days ago
Crazy discovery in ants 🤯🐜 One mother for two species via obligate cross-species cloning in ants | Nature
www.nature.com/articles/s41...
"Males from the same mother exhibit distinct genomes and morphologies, as they belong to species that diverged over 5 million years ago."
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One mother for two species via obligate cross-species cloning in ants - Nature
In a case of obligate cross-species cloning, female ants of Messor ibericus need to clone males of Messor structor to obtain sperm for producing the worker caste, resulting in males from the same moth...
https://www.nature.com/articles/s41586-025-09425-w
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Kjetill S Jakobsen
Stephen Turner
6 months ago
Review: Transcriptomics in the era of long-read sequencing
www.nature.com/articles/s41...
(read free:
rdcu.be/efBjP
) 🧬🖥️🧪
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Kjetill S Jakobsen
Rachel Moran
18 days ago
First pop gen paper from our lab! We find repeated evolutionary turn over of sex chromosomes in darters contributes to reproductive isolation. Turnover may be an escape hatch to resolve mitonuclear conflict & neo sex chromosomes evolved via a rare recessive mutation.
www.biorxiv.org/content/10.1...
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Kjetill S Jakobsen
Corrie Moreau
19 days ago
And I got to visit the public museum quickly and entomology collection!
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Kjetill S Jakobsen
Earth BioGenome Project 🌍
22 days ago
Across the globe, EBP groups are sequencing vertebrate genomes — both locally and globally — to contribute to the growing database of high-quality reference genomes! 🧬🌍
@kurakulabmsm.bsky.social
|
@atlasea.bsky.social
|
@canadianbiogenome.bsky.social
|
@biogeneurope.bsky.social
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Kjetill S Jakobsen
Rayan Chikhi
20 days ago
🌎👩🔬 For 15+ years biology has accumulated petabytes (million gigabytes) of🧬DNA sequencing data🧬 from the far reaches of our planet.🦠🍄🌵 Logan now democratizes efficient access to the world’s most comprehensive genetics dataset. Free and open.
doi.org/10.1101/2024...
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Molly Przeworski
21 days ago
In these dark times, it comes as a rare pleasure to highlight
@natanaels.bsky.social
&
@marcdemanuel.bsky.social
's work on germline and somatic mutations in humans. 1/n
www.biorxiv.org/cgi/content/...
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Collateral mutagenesis funnels multiple sources of DNA damage into a ubiquitous mutational signature
Mutations reflect the net effects of myriad types of damage, replication errors, and repair mechanisms, and thus are expected to differ across cell types with distinct exposures to mutagens, division ...
https://www.biorxiv.org/cgi/content/short/2025.08.28.672844v1
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sasha
24 days ago
From a Twitter research project to an independent rival — Bluesky’s journey under CEO Jay Graber shows how a decentralized, user-first platform gained millions users by prioritizing control & openness in social media. A true alternative in a billionaire-dominated space.
www.cnbc.com/2025/08/29/b...
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Bluesky CEO: I turned a Twitter research project into a rival company—'we've achieved what a lot of people said was impossible'
Under CEO Jay Graber, social media company Bluesky has grown to 38 million registered users while weathering large-scale challenges over the past few years.
https://www.cnbc.com/2025/08/29/bluesky-ceo-how-i-turned-twitter-research-project-into-rival-company.html
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Check out our new preprint: the high quality genome of Glacial lanternfish showes that it can do well without MHC I and II function - breaking the immunological rules.
www.biorxiv.org/content/10.1...
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The genome of the Glacier lanternfish shows loss of MHC I and II function and provides insight into evolution of lanternfish immune systems
Lanternfishes (Myctophidae) are one of the most abundant and species diverse orders inhabiting the mesopelagic zone. Exploitation of marine resources has recently attracted increased interest. It is t...
https://www.biorxiv.org/content/10.1101/2025.08.28.672920v1
20 days ago
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Kjetill S Jakobsen
Love Dalén
21 days ago
I'm hiring a postdoc... By combining samples that are more than a million years old with the short generation time of small rodents, we hope to gain a unique window into evolution unfolding across millions of generations!
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Kjetill S Jakobsen
Tanja Slotte
20 days ago
*Postdoc in Evolutionary genomics at Stockholm University* We are recruiting a postdoc for a large interdisciplinary project to investigate evolutionary drivers and genomic consequences of pollen evolution in response to pollination mode shifts in flowering plants. 1/5
su.varbi.com/what:job/job...
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Kjetill S Jakobsen
Burcu Alptekin
23 days ago
Deleting a 600kb region in a genome? Not that crazy of an idea anymore! Papikian et al show that plants have an incredible ability to compensate for large genomic deletions.
www.pnas.org/doi/10.1073/...
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Targeted deletions of large syntenic regions in Arabidopsis thaliana | PNAS
Plant genomes have undergone multiple rounds of whole-genome duplication (WGD) throughout their evolutionary history. As a result, many species, in...
https://www.pnas.org/doi/10.1073/pnas.2419744122#abstract
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Kjetill S Jakobsen
Lukas VF Novak
23 days ago
Partnership between
#algae
&
#bacteria
reveals secrets of evolution
phys.org/news/2025-08...
Stepwise genome
#evolution
from a facultative symbiont to an endosymbiont in the N2-fixing symbioses
www.cell.com/current-biol...
#protists
by
@vesnagrujcic.bsky.social
,
@mehrshmali.bsky.social
, et al.
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Kjetill S Jakobsen
Earth BioGenome Project 🌍
22 days ago
🌍🧬 Interested in all things EBP and genomes? Follow the EBP all-stars to stay up to date with their latest breakthroughs in real time! 🚀✨
go.bsky.app/EQh6H7H
And follow us on all our platforms to join the conversation! 💬🌎
linktr.ee/earthbiogeno...
add a skeleton here at some point
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Kjetill S Jakobsen
Corrie Moreau
22 days ago
If you are in Oslo join us tomorrow!
add a skeleton here at some point
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Kjetill S Jakobsen
Natanella Illouz-Eliaz
23 days ago
Our
#research
on
#drought
#recovery
, now published with
@springernature.com
in
@natcomms.nature.com
: Drought recovery in plants triggers a cell-state-specific immune activation.
doi.org/10.1038/s414...
Read thread below 👇
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Drought recovery in plants triggers a cell-state-specific immune activation - Nature Communications
Post-drought rehydration triggers a preventive immune response in plants, revealing targets to enhance crop resilience by linking drought stress recovery with improved pathogen resistance.
https://doi.org/10.1038/s41467-025-63467-2
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Silu Wang (she/her)🇨🇦
23 days ago
Why do speciation rates vary across the tree of life? Some of the best yet most underappreciated places for this investigation are natural hybrid zones. This preprint takes you to the hybrid zones in the origin of species to find a clue. 👉
shorturl.at/N7FXE
#Speciation
#Evolution
#hybridization
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Kjetill S Jakobsen
Institut de Recerca de la Biodiversitat
26 days ago
#ArticleIRBio
How did evolution halve genome size during an oceanic island colonization? Authors: V.Pisarenco, A.Boada, M.Olivé, P.Escuer, N.Macías,
@marnedo.bsky.social
, P.Librado, A.Sánchez-Gracia, S.Guirao-Rico,
@jrozasub.bsky.social
Molecular Biology and Evolution
doi.org/10.1093/molb...
👇
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Kjetill S Jakobsen
Nicolas Bierne
26 days ago
A new article of the team published in
@heredityjournal.bsky.social
#PopGen
#MarEvol
Congratulations to Hedvig for her brilliant work on this project. Atlantification is dead, long live genetic atlantification!
www.nature.com/articles/s41...
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Genome sequence analysis provides evidence that a boreal crustacean colonised Svalbard well before the ongoing Atlantification of the Arctic - Heredity
Heredity - Genome sequence analysis provides evidence that a boreal crustacean colonised Svalbard well before the ongoing Atlantification of the Arctic
https://www.nature.com/articles/s41437-025-00793-7
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Kjetill S Jakobsen
Fabien Burki
25 days ago
www.biorxiv.org/content/10.1...
#protistsonsky
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The JEDI marker as a universal measure of planetary biodiversity
Despite its critical importance in the formation and maintenance of ecosystems and homeostasis on Earth, biodiversity remains a complex and non-unified concept. Consequently, standards for measuring g...
https://www.biorxiv.org/content/10.1101/2025.08.11.669668v1.full
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Kjetill S Jakobsen
Laurits Skov
26 days ago
Are you interested in doing a PhD in Copenhagen? Interested in studying Neanderthals and Denisovans which live on in our genomes? Than you are more than welcome to apply to join my group starting Jan 2026 :)
candidate.hr-manager.net/ApplicationI...
Please reach out if you have any questions!
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Kjetill S Jakobsen
Lene Liebe Delsett
26 days ago
www.dr.dk/nyheder/indl...
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Sjældne fossiler fundet på Bornholm: Kaster nyt lys over fortidens havdyr
For første gang er der fundet fossiler fra flere forskellige plesiosaurer ved Hasle Klint, heriblandt en sjælden unge.
https://www.dr.dk/nyheder/indland/sjaeldne-fossiller-fundet-paa-bornholm-kaster-nyt-lys-over-fortidens-havdyr
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Kjetill S Jakobsen
Sissel Jentoft
about 1 month ago
Disse endringene gjør skreien mer sårbar for ytterligere påvirkning og kan trolig knyttes til endringer i vandringsmønsteret til torsken i senere tid. Mao ja, vi påvirker våre fiskebestander kanskje mer enn vi aner …
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Kjetill S Jakobsen
MU-Peter Shimon 🀄️
over 1 year ago
More than a decade of genetic research on the Denisovans 🏺🧪 Stéphane Peyrégne Viviane Slon Janet Kelso
@janetk.bsky.social
www.nature.com/articles/s41...
Insights into their population and how our growing knowledge about Denisovans has provided insights into our own evolutionary history.
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Kjetill S Jakobsen
Department of Biosciences, University of Oslo
27 days ago
Regjeringen gir 1 milliard kroner til polarforskning og forskningsprosjektet
#Polarhavet2050
, hvor Universitetet i Oslo er én av fjorten partnere. Dette blir spennende!
@jentoft.bsky.social
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Regjeringen med storsatsing i Arktis: Vil bruke en milliard på polarforskning
Norge skal fortsatt være en av verdens fremste polarforskningsnasjoner. Det er viktig for å ivareta Norges sikkerhet og geopolitiske interesser, og for å håndtere og forstå raske klimaendringer. Derfo...
https://www.regjeringen.no/no/aktuelt/regjeringen-med-storsatsing-i-arktis-vil-bruke-en-milliard-pa-polarforskning/id3116823/?expand=factbox3116830
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