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Henry North

@henrylnorth.bsky.social
1.3K followers 918 following 108 posts

Research Fellow at Girton College, Cambridge Population genomics, invasive species, hybridization, adaptation, structural variation

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Reposted by Henry North
Society for the Study of Evolution @sse-evolution.bsky.social · 01/10/2026
💬 In the latest Evolution Exchange, SSE President Dr. Gina Baucom talks with Dr. Stacy Krueger-Hadfield and Dr. Daniel Ortiz-Barrientos about doing a PhD or postdoc abroad. www.evolutionsociety.org/news/display... @dortizba.bsky.social @gbaucom.bsky.social
Headshots of Dr. Krueger-Hadfield and Dr. Ortiz-Barrientos. Text: What Nobody Tells You About Doing Your PhD Abroad with Dr. Stacy A. Krueger-Hadfield and Dr. Daniel Ortiz-Barrientos. The Evolution Exchange, a monthly conversation series from the Society for the Study of Evolution.
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Blake Matthews @ebmatthews.bsky.social · 02/10/2026
Three new evolutionary ecology PhD positions are open in Switzerland (Eawag, and Uni. Bern) to work on Greenland lake ecosystems. We are interested in how stickleback and copepods evolve, and how their evolution affects the trajectories of lake ecosystem development. apply.refline.ch/673277/1403/...
apply.refline.ch
3 PhD positions in the fields of Evolutionary Ecology, Evolutionary Genomics, and Ecosystem Science
The Department of Fish Ecology & Evolution (FishEc) has vacancies for
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Henry North @henrylnorth.bsky.social · 30/09/2026
Congrats to @ssorkhabi.bsky.social on their first manuscript — a perspective that asks ‘What, if anything, can studies of adaptation to altitude reveal about responses to climate change?’ It was great fun to think about this with @gmkov.bsky.social, @chrisjiggins.bsky.social and Marianne Elias 🏔️
ecoevorxiv.org
What, if anything, can studies of adaptation to altitude reveal about responses to climate change?
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Joe Hanly @hanliconius.bsky.social · 30/09/2026
I'm sorry, but there's no way to describe this but as a pro-eugenics Op-Ed disguised as a scientific review, and is a complete failure of editorial and ethical standards at @cellpress.bsky.social . This article should be retracted. 5/5
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EvoBio Crash Course @evobiocc.bsky.social · 23/09/2026
The Evobio Crash Course is coming back for its fifth edition! Join us from December 7 to December 18 for an incredible line up of classes and tutorials from amazing researchers in the field! The course is open to all, completely free and held online. Registration is OPEN, please share widely!
Poster for the Evobio Crash Course. Online from December 7-18, 2026.
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Jesper Boman @jesperboman.bsky.social · 27/09/2026
Rapid genome-wide purging following tsunami-induced hybridization in a stickleback population www.nature.com/articles/s41...
nature.com
Rapid genome-wide purging following tsunami-induced hybridization in a stickleback population - Nature Ecology & Evolution
Species persistence following hybridization in nature requires the purging of introgressed alleles. Genomic monitoring of a tsunami-induced hybrid stickleback population in Japan reveals rapid genome-...
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Joe Hanly @hanliconius.bsky.social · 27/09/2026
I made a live dashboard of chromosome-scale genome assemblies on NCBI. hanliconius.github.io/eukaryote-ge...
hanliconius.github.io
Eukaryote Genome Watch
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Greger Larson @gregerlarson.bsky.social · 25/09/2026
I love how genomic analyses keep dismantling the concept that species cannot interbreed. Even better, ancient introgression often facilitates diversity in a domestic context. New paper shows this is in pigs too! www.science.org/doi/epdf/10.... A thrill to be a small part of a giant piggy effort!
science.org
Ancient introgression drives wild boar expansion and phenotypic diversification of domestic pigs
Despite the ubiquity of wild boar populations across Eurasia, their origins, routes of dispersal, and phenotypic evolution remain uncertain. Here, using 745 genomes representing populations across Eur...
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Kaiser Lab @clocksevolution.bsky.social · 17/09/2026
We have a new #preprint on #lunar #reproductive #timing as a #magictrait in #speciation www.biorxiv.org/content/10.6... with former PhD students Alexander Jacobsen 🧪💻 Runa Ekrem 🦟🌊 🙏 Big thanks to both for the great work! #EvoBio #barriers #Chronobiology #circadian #MarineEcology
Full moon and new moon strains from Roscoff differ in lunar reproductive timing (A). Genotyping of 11 divergent loci (B) in 797 field-caught individuals shows that thetwo timing strains are distinct genetic entities (C).
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bioRxiv Evolutionary Biology @biorxiv-evobio.bsky.social · 25/09/2026
Sequential accumulation of adaptive alleles forms an inversion supergene in deer mice www.biorxiv.org/content/10.64898/20…
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Jae Young Choi @jychoi.bsky.social · 24/09/2026
New preprint with grad student @linhngk.bsky.social. Big mystery in plants is why do their telomere length vary? We answered by analyzing 10Tb or 1.4 billion reads from 257 species of algae to land plants. We propose ecological adaptation shapes telomere length in plants. shorturl.at/0ox4x
biorxiv.org
Biogeographic cline is associated with the global plant telomere length variation
Telomeres have the crucial role of protecting chromosome ends and its length varies significantly between organisms. What evolutionary factor shapes this natural variation has been a long standing que...
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Maria Akopyan, PhD @akopyan.bsky.social · 24/09/2026
New preprint out today! [1/5] Can higher recombination rates help populations adapt more quickly to environmental change? We used forward-time simulations to find out. www.biorxiv.org/content/10.6...
biorxiv.org
Recombination accelerates adaptation across genetic architectures and demographic histories
According to classic population genetics theory, recombination shapes the efficacy of natural selection. However, whether variation in recombination rate itself translates into meaningful differences ...
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Steve Russell @steverus.bsky.social · 24/09/2026
We’re recruiting to an assistant/associate professorship in Pathogen Genetics- come and join us. www.cam.ac.uk/jobs/assista...
cam.ac.uk
Assistant/Associate Professor in Pathogen Genetics
Applications are invited for an Assistant or Associate Professorship in Pathogen Genetics to be held in the Department of Genetics. We are searching for a talented individual with a track record of fu...
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Judith Mank @judithmank.bsky.social · 23/09/2026
So very, very happy to see this out @plosbiology.org : Ancient inversion polymorphisms associate with sexually selected traits across natural guppy populations. Beautiful work by two very clever and talented coauthors, Yuying Lin and @vdbijl.bsky.social . journals.plos.org/plosbiology/... 1/
journals.plos.org
Ancient inversion polymorphisms associate with sexually selected traits across natural guppy populations
Genomic inversions spanning many genes can persist for millions of years. This study of Trinidadian guppy populations reveals how both ecological conditions and mate choice help maintain this hidden l...
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Zamin Iqbal @zaminiqbal.bsky.social · 21/09/2026
Careful implementation of Bayesian phylogenetics in Delphy allows huge speed gains and identical results to BEAST, but runs on your laptop browser www.nature.com/articles/s41... Amazing work from @pardissabeti.bsky.social , Patrick Varilly, @benfry.com and co.
Two plots showing tMRCA and support are incredibly tightly correlated between Delphy and BEAST
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Lizzy Steell @lizzysteell.bsky.social · 21/09/2026
🚨 New bird paper! 🚨 Take a look at our review paper that Juan Benito and I put together about avian systematics and the bird fossil record along with what we think are important future directions in the field 🐦 🦴 🦜🦅🦤 www.tandfonline.com/doi/full/10....
tandfonline.com
A bird’s eye view of the fossil record: perspectives on avian systematics
Recent decades have witnessed an unprecedented rise in avian fossil discoveries that directly inform our understanding of bird origins and evolution, the stepwise assemblage of the avian body plan,...
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Andrew Hendry @ecoevoevoeco.bsky.social · 15/09/2026
How can you use repeatability to infer LOCAL selection - check out our new paper in Molecular Ecology. "The Spatial and Temporal Repeatability of Genomic Responses to Natural Selection ..." onlinelibrary.wiley.com/doi/10.1111/...
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KamilSJaron.bsky.social @kamilsjaron.bsky.social · 18/09/2026
I am so excited to see this preprint out. I started working on springtails with @laurarossevo.bsky.social in 2019, but this pinnacle of our efforts manifested only with heroric leadership of Sam Ebdon! So, what's the deal? 👇
Globular springtail Allacma fusca. Female, one of the samples in the linked preprint.
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Thomas L Schmidt @identitybydissent.bsky.social · 18/09/2026
🪲NEW PAPER🪲 Two shot-hole borer lineages have invaded South Africa, met in the same tree in Durban Botanic Gardens, and began to hybridise. One lineage was also found in California and Australia, with almost no nuclear variation, but three mtDNA haplotypes (heteroplasmy) doi.org/10.1093/molb...
doi.org
Ambrosia beetle invasions are structured by inbreeding, intraspecific hybridization, and bridgeheads
Abstract. When invasive populations establish in regions far from their origin, they may accumulate deleterious mutations that limit population viability a
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Prof Richard Buggs @rbuggs.bsky.social · 17/09/2026
New paper on ash tree genomics showing large genomic differences between trees involving thousands of genes nature.com/articles/s41...
nature.com
European ash pangenome reveals widespread structural variation and genetic basis of low ash dieback susceptibility - Nature Communications
European ash (Fraxinus excelsior) is a keystone tree species throughout temperate Europe whose future existence is threatened by ash dieback disease (ADB). Here, the authors report the constructi...
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Dmitri Petrov @petrovadmitri.bsky.social · 17/09/2026
We are searching for an Assistant Professor in Evolutionary Biology! Looking for colleagues asking fundamental questions relating to evolutionary processes and drivers of evolutionary patterns. If you think it is you, please do apply! And please repost. facultypositions.stanford.edu/jobs/assista...
facultypositions.stanford.edu
Assistant Professor in Evolutionary Biology - Stanford University, California, United States
The Department of Biology at Stanford University seeks applicants for a tenure-track Assistant Professor in Evolutionary Biology. A successful candidate will conduct research that asks fundamental que...
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Matthew Hahn @3rdreviewer.bsky.social · 15/09/2026
New paper with Trang Nguyen! Do you have only a single parent and offspring, but still want to calculate mutation rates? We've got the tool for you--OOPS github.com/TrangNg-Th/O... www.biorxiv.org/content/10.6...
biorxiv.org
Estimating de novo mutation rates using parent-offspring pairs
Existing pedigree approaches to identifying de novo mutations (DNMs) require at least two parents and a single offspring, limiting applicability. Here, we introduce OOPS (Only One Parent Sequencing), ...
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Stephen Montgomery @ebablab.bsky.social · 15/09/2026
Are you a #NewPI in Ecology & Evolution? Would you like to meet with peers to chat about work, the future and life as a new PI? 🍪☕️ Then I have the form for you! 📋 Help us gauge interest in a new network/event by filling in this short survey: forms.cloud.microsoft/e/K4wUiuLuFn Please RT! 🙏
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Colin Carlson @colincarlson.bsky.social · 09/09/2026
🚨 NEW: Biodiversity monitoring can guide surveillance for emerging pathogens. In a new PLOS Ecosystems study led by @mdcatchen.bsky.social, we present computational algorithms to select surveillance sites that capture the most actionable data. Out now: dx.plos.org/10.1371/jour...
Fig 3. The case study for South Korea.

(A): Bivariate plot of dose (increasing green) and dose uncertainty (increasing blue). (B): Bivariate plot of dose (increasing green) and prevalence uncertainty (increasing orange; measured as the sum of estimated variance from kriging across each host-virus pair). (C): The spatial strata for which occurrence, prevalence, and both forms of sampling should occur (see main text for how these are computed). (D): The priority scores for regions where discovery sampling is a priority (increasingly blue) and prevalence sampling is the priority (increasingly purple) in their respective strata. (E): The total priority map with sites selected using Balanced Acceptance Sampling. The marker shape of each site corresponds to the type of sampling that should occur there, based on the stratum in (C) that each point falls within. Administrative boundaries come from GADM.
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Stephan Schiffels @stschiff.bsky.social · 14/09/2026
Principal Components Analysis of flags: observablehq.com/@stschiff/pc... I have made this for a class once and now beefed up to a proper tutorial/blog post, written on the literate programming environment Observable, all data-loading and computation happening live in your browser! Enjoy.
observablehq.com
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University of Bristol Biological Sciences @bristolbiosci.bsky.social · 09/09/2026
We are hiring a new lecturer in Bioinformatics! Hit the link below to find out more and apply: www.bristol.ac.uk/jobs/find/de... #bristoluni #wearebristoluni #biologicalsciences
Job Alert! Lecturer in Bioinformatics. Come and join use in the world class Life Sciences Building at the University of Bristol! Closing date: Sunday 27 September.
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Andres Bendesky @bendeskylab.com · 11/09/2026
We have a tenure-track faculty position in Evolutionary Biology in Columbia's E3B Department. Application deadline is October 15. Come be our colleague. Please RT! apply.interfolio.com/193016
apply.interfolio.com
Apply - Interfolio {{$ctrl.$state.data.pageTitle}} - Apply - Interfolio
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McClure 🦉🦅🦤 @mcclure.bsky.social · 13/09/2026
Maxent produces a map with no error bars, despite there often being great uncertainty in species distributions. We examine the trouble with using Maxent for delimiting species distributions, especially for Red List assessments. Open access: doi.org/10.1111/ddi....
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Alexis Stamatakis @stamatak.bsky.social · 12/09/2026
The RAxML-NG v2.0 preprint is out: www.biorxiv.org/content/10.6... v2.0 features integrated model testing, fast branch support metrics, automatic parallelization, phylogenetic difficulty prediction, genotype evolution models, to name but the most important features. And it is A LOT FASTER of course
biorxiv.org
RAxML-NG 2: Automatic model selection, novel tree search heuristics, and fast branch support metrics
RAxML-NG is a widely used tool for maximum likelihood based phylogenetic inference. In the seven years since the last RAxML-NG publication, we have continuously improved and extended the code. Here, w...
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Renjie Zhang @renjiezhang.bsky.social · 11/09/2026
Congrats Jack!! 🦗🧬 So excited to see this one out—fantastic work! This work investigates how cricket populations have adapted at the genomic level following the introduction of the parasitoid fly and show how this novel selective pressure has shaped both population structure and genetic variation.
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Molly Przeworski @mollyprz.bsky.social · 11/09/2026
Job opportunity at Columbia U., in "any combination of field, experimental, computational, or theoretical approaches to study fundamental questions in evolutionary biology".
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Chuliang Song @clsong.com · 10/09/2026
A wonderful review by Stefano on 100 years of Lotka–Volterra models. Don’t miss the incredibly detailed Supplement, truly the “War and Peace” of LV models. I really wish it had existed when I was a grad student! doi.org/10.1146/annu...
doi.org
One Hundred Years of Lotka–Volterra Models
Over the past century, the generalized Lotka–Volterra (GLV) model has grown from a mathematical curiosity to a cornerstone of theoretical ecology. Here we celebrate the enduring legacy of Lotka and Vo...
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Evolution @journal-evo.bsky.social · 19/08/2026
Now seeking our next Reviews Editor! We are looking for someone with broad interests and enthusiasm who can help promote the success of a society-owned journal by commissioning Review and Perspective articles. Indicate your interest by Sept. 15: www.evolutionsociety.org/news/display...
evolutionsociety.org
Call for Evolution Reviews Editor Applications
Are you passionate about evolutionary biology and want to make a major contribution to the literature? If so, you could be the next Reviews Editor for Evolution ! We are seeking someone with ...
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Richard Merrill @dickmerrill.bsky.social · 10/09/2026
Very excited to see this multi-faceted* study, led by Shane Wright and representing years of work on visual evolution and perception in Heliconius as part of our ERC Starting Grant, released into the world! 🦋*pun very much intended www.biorxiv.org/content/10.6...
biorxiv.org
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Graham Coop @gcbias.bsky.social · 10/09/2026
I’m looking to hire an NIH funded postdoc to join our lab here at Davis (please RT). Ongoing areas of interest include: 1) polygenic signals of selection from time series, ARGs, GWAS, etc 2) The interpretation of GWAS, polygenic scores, & sources of confounding
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Cristian Román-Palacios @cromanpa.bsky.social · 09/09/2026
When two clades evolve together, can the trees alone tell you how often they cospeciated, and how often the symbiont switched hosts? We think so! Our paper, led by @yichaozeng.bsky.social, shows that branch length differences in the cophylogeny are informative enough to estimate six rates at once
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PLOS Biology @plosbiology.org · 09/09/2026
How & why does the distribution of fitness effects #DFE vary among species? Meixi Lin, @klohmueller.bsky.social &co analyze genetic variation from 11 animal species, finding that fitness effects are influenced by phylogeny, population size & organismal complexity @plosbiology.org 🧪 buff.ly/t5q7Mqo
Mutations are more deleterious in mammals compared to insects and birds. Left: The phylogenetic relationship among the (sub)species included in this study. Middle: The mean deleterious mutation effects (|s|mean) for 11 (sub)species, assuming a gamma-distributed DFE of neutral and deleterious mutations. From top to bottom, species are increasingly divergent from humans: mice, fin whales, vaquitas, arctic wolves, gray wolves, collared flycatchers, pied flycatchers, halictid bees, Drosophila and mosquitoes. Numbers show the ranks of |s|mean. Right: The shape parameter (alpha) of the gamma-distributed DFE for 11 (sub)species. Numbers show the ranks of alpha.
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Sam Yeaman @samyeaman.bsky.social · 08/09/2026
I'm looking to hire a postdoc to work on the RepAdapt + MacroMar projects, analysing genomic data from >130 species of plants, animals, and fungi (VCFs are processed, ready to go). Lots of potential for creativity and collaboration! yeamanlab.weebly.com/uploads/5/7/...
Picture shows fireweed in foreground and Mt. Lougheed in background
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Sercan Sayin @sercansayin.bsky.social · 07/09/2026
Swarm models are abstract, but life is full of color! Locust warning coloration modulates how individuals track others, especially in cluttered environments. Visual modeling, VR, remote sensing. With @jjfosterlab.bsky.social, @theswordlab.bsky.social, @icouzin.bsky.social ssrn.com/abstract=739...
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Rob Waterhouse @rmwaterhouse.bsky.social · 05/09/2026
Reports of non-native invertebrates, including #mosquitoes, highlight the urgent need to strengthen #biosecurity, improve surveillance & address pathways such as the movement of potted plants & soils, through which numerous invertebrates can hitchhike undetected www.theguardian.com/environment/...
theguardian.com
Invasive tropical mosquito found breeding in east London
Climate crisis could increase incursions of Aedes aegypti, which can transmit Zika virus and dengue, experts say
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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
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alex ioannidis @alexgioannidis.bsky.social · 03/09/2026
ARGformer is out in Bioinformatics! doi.org/10.1093/bioi... Just as PCA reduces dimensionality from genotypes, ARGformer can do this now for ARGs...yielding a representation that comes directly from inferred genealogical topologies & at a haplotype level across each individual genome.
doi.org
ARGformer: learning on ancestral recombination graphs with transformers
AbstractMotivation. Recent advances in inference of the ancestral recombination graph (ARG), which describes how segments of chromosomes trace back through
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Louis Bliard @lbliard.bsky.social · 02/09/2026
New preprint out with Michael Griesser and @ryangermain.bsky.social, for some comparative analyses in which we find that population growth rates of cooperative breeders are less sensitive to annual variation in precipitation and temperature doi.org/10.32942/X26...
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Martin A. Nuñez @martin-nunez.bsky.social · 02/09/2026
Very excited to see our new paper in @Nature! Conifers introduced to the Southern Hemisphere grew up to 4× faster than in their native ranges and were also more resistant and resilient to drought. I’m honored to have been part of this fantastic international team.
pines grow faster in the southern hemisphere
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Adria LeBoeuf @adriatica.bsky.social · 02/09/2026
There are a couple more days to apply for this postdoc role in the @socialfluids.bsky.social lab: we are looking for a computational biologist interested in how socially transferred proteins evolve. Is this you? Apply! Make sure to address all the criteria in your application!
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alex ioannidis @alexgioannidis.bsky.social · 01/09/2026
Gnomix is published! www.nature.com/articles/s41... Still the most accurate & fastest local ancestry inference (LAI) method, bests Flare and others (RecombMix & Orchestra) released since our preprint. Easy to use, github.com/AI-sandbox/g... Use it with our toolkit, snputils.org
nature.com
Scalable high resolution ancestry deconvolution for genomic data - Nature Communications
The authors present Gnomix, a local ancestry framework that delivers leading accuracy across diverse admixed datasets on both whole-genome and array data with high efficiency, together with Gnofix, it...
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MEPGT @mepgt.bsky.social · 30/08/2026
Very important paper by @phylogenetrips.bsky.social "Genes and sites under adaptation at the phylogenetic scale also exhibit adaptation at the population-genetic scale" | PNAS www.pnas.org/doi/10.1073/...
pnas.org
Genes and sites under adaptation at the phylogenetic scale also exhibit adaptation at the population-genetic scale | PNAS
Adaptation in protein-coding sequences can be detected from multiple sequence alignments across species or alternatively by leveraging polymorphism...
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Carmen da Silva @saltydasilva.bsky.social · 01/09/2026
I am thrilled and honoured to have won the @ausevosoc.bsky.social Best Paper Award. This means I will be giving a plenary lecture at the societies conference in December. ausevo.com/programme/ da Silva et al (2026) Nature Communications was the awarded publication. www.nature.com/articles/s41...
ausevo.com
AES 2026
Program
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Evolution Letters @evolletters.bsky.social · 31/08/2026
Recombination helps evolution—but it can also cause mutations. New theory shows that even small increases in mutation near crossovers can oppose the evolution of higher recombination rates. By @sarperotto.bsky.social and Bret Payseur academic.oup.com/evlett/advan...
academic.oup.com
Elevated mutation near crossovers inhibits the evolution of recombination
Abstract. Recombination diversifies offspring genomes and helps ensure chromosome segregation during meiosis. Mutation rates are elevated near crossovers d
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Darren Obbard @darrenobbard.bsky.social · 31/08/2026
www.bbc.co.uk/videos/c39ml...
bbc.co.uk
The 24 rabbits that invaded Australia
How one of the greatest environmental disasters in history was unleashed by the unintentional actions of one man - Thomas Austin.
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