Sign in

Xinjun Zhang

@zhanglabpopgen.bsky.social
309 followers 273 following 29 posts

Assistant Professor at the University of Michigan. Popgen/Evolgen, admixture everything, ML etc. More on www.zhanglabpopgen.org

PostsRepliesMedia
Xinjun Zhang @zhanglabpopgen.bsky.social · 01/10/2026
My department is hiring!
042
Reposted by Xinjun Zhang
Pleuni Pennings @pleunipennings.bsky.social · 29/09/2026
I am hiring a postdoc! Are you interested to work on population genetics/ drug resistance/ data? Want to work in Montpellier, France? Fastq files don't scare you? PhD required, start date hopefully Nov 1! (end date Sep 30 2028) Please share! abetterscientist.wordpress.com/2026/09/29/p...
abetterscientist.wordpress.com
Postdoc position on drug resistance evolution in Montpellier, France
I have some exciting news (again!). I got money from the region (Occitanie) to hire a postdoc (and later an engineer / technician) to work on drug resistance evolution in malaria (P. faciparum) and…
174101
Reposted by Xinjun Zhang
Yun S. Song @yun-s-song.bsky.social · 26/09/2026
We are excited to announce a new faculty position in AI for Biology at UC Berkeley. Please repost & share this opportunity with outstanding early-career researchers in your networks. Apply by Nov 9, 2026: aprecruit.berkeley.edu/JPF05560
aprecruit.berkeley.edu
Assistant Professor - AI for Biology - Electrical Engineering & Computer Sciences and Center for Computational Biology
University of California, Berkeley is hiring. Apply now!
1611
Reposted by Xinjun Zhang
Yun S. Song @yun-s-song.bsky.social · 23/09/2026
Please help spread the word! We are recruiting multiple Postdoctoral Fellows as part of the recently launched Bakar Computational Biomedicine Initiative (BCBI) at UC Berkeley and UCSF. BCBI website: bcbi.berkeley.edu Apply by Nov 1, 2026: berkeley.infoready4.com#freeformComp... (1/n)
bcbi.berkeley.edu
Bakar Computational Biomedicine Initiative | Bakar Computational Biomedicine Initiative
12836
Reposted by Xinjun Zhang
Moi Expósito-Alonso (MOILAB) @mexpositoalonso.bsky.social · 21/09/2026
Fantastic Asst Professor positions open across multiple UC Berkeley departments @ucberkeleyofficial.bsky.social Plant/Algae/Microb aprecruit.berkeley.edu/JPF05522 Plant/Env aprecruit.berkeley.edu/JPF05382 Gen/Dev/Evo aprecruit.berkeley.edu/JPF05481 Eco aprecruit.berkeley.edu/JPF05489
aprecruit.berkeley.edu
Assistant Professor – Plant or Macroalgae-Associated Microbial Communities and Interactions - Plant and Microbial Biology
University of California, Berkeley is hiring. Apply now!
05171
Reposted by Xinjun Zhang
Bernard Kim @bernardkim.bsky.social · 15/09/2026
Princeton EEB is running a very broad faculty search at the Assistant Professor level. Please consider applying to join us! This is a wonderful, collaborative, cohesive department with diverse interests and amazing colleagues. apply.interfolio.com/193474
apply.interfolio.com
Apply - Interfolio {{$ctrl.$state.data.pageTitle}} - Apply - Interfolio
0100104
Reposted by Xinjun Zhang
Ryan Gutenkunst @ryangutenkunst.bsky.social · 09/09/2026
Increasingly powerful methods are enabling increasing complex models of ancient human history to be inferred from population genomic data. In a recent review, I highlight two blind spots in these inferences: limitations of the methods and choices of models to fit. arxiv.org/abs/2608.27591
arxiv.org
Two blind spots in the demographic inference of human origins from genomic data
Ancient DNA and new inference methods have transformed the study of human origins, but consensus has not followed. Evidence increasingly indicates that hominin populations were pervasively structured ...
33820
Reposted by Xinjun Zhang
Yun S. Song @yun-s-song.bsky.social · 09/09/2026
We are thrilled to share that our GPN-Star manuscript is now published and freely available: doi.org/10.1038/s415... (1/n)
doi.org
Predicting genome-wide functional constraints with GPN-Star - Nature
GPN-Star, a genomic language model with a phylogeny-aware architecture for whole-genome alignment data, is shown to be a scalable and flexible tool for genetic variant effect prediction across species...
112247
Reposted by Xinjun Zhang
bioRxiv Evolutionary Biology @biorxiv-evobio.bsky.social · 07/09/2026
Barking Up Inferred Trees: Detecting Signatures of Selection in Dog Genomes Using Ancestral Recombination Graphs www.biorxiv.org/content/10.64898/20…
064
Reposted by Xinjun Zhang
Ya’el Courtney, PhD @scienceyael.bsky.social · 10/07/2026
HHMI released the official 2027 Gilliam Fellowship details, and a lot changed. Deadline's earlier this cycle: Oct 27. Int'l & MD-PhD students now eligible. Stipend up to 50K. New postdoc pathway adds up to 7 yrs of support. No Journal names!!!! www.yaelcourtney.com/resources-an...
yaelcourtney.com
2027 HHMI Gilliam Fellowship: New Deadline, Eligibility, and Award Changes — Ya'el Courtney
HHMI's 2027 Gilliam Fellowship guide is out. What changed: an earlier October 27 deadline, expanded eligibility, a higher stipend, and a new postdoc pathway.
04644
Reposted by Xinjun Zhang
Nadia Aubin-Horth @naubinhorth.bsky.social · 30/06/2026
For the #SMBE2026 crowd: Our biology department at Université Laval has a faculty position in Cell Biology, Molecular Biology, or Genetics. Québec City is a wonderful mix of culture and access to nature. Apply before September 4th. universityaffairs.ca/search-jobs/
universityaffairs.ca
Search Jobs - University Affairs
0810
Reposted by Xinjun Zhang
bioRxiv Evolutionary Biology @biorxiv-evobio.bsky.social · 29/06/2026
The evolution of structural variation across 500 million years of vertebrate evolution www.biorxiv.org/content/10.64898/20…
02015
Xinjun Zhang @zhanglabpopgen.bsky.social · 29/06/2026
Besides, I'm looking for grad students to join my group! If anyone is interested in admixture related questions in popgen (humans, drosophila and beyond) and spend a few years in beautiful Ann Arbor, I'm happy to chat whenever during SMBE!
045
Xinjun Zhang @zhanglabpopgen.bsky.social · 29/06/2026
Just in time for #SMBE2026! Here's DEEP for detecting ghost/superarchaic introgression: scalable, robust, and no ARG! We find ~0.5% genome with superarchaic ancestry in East Asians and Oceanians, plus a notable signal at HLA Come find our poster tonight (#241)! www.biorxiv.org/content/10.6...
biorxiv.org
Scalable ARG-free Detection of Denisovan-mediated Superarchaic Introgression Reveals Heterogeneous Patterns across Populations
Ghost introgression from unsampled hominin lineages has emerged as an increasingly important component of human evolutionary history. Recent studies suggest that deeply divergent hominin lineages may ...
02512
Reposted by Xinjun Zhang
Chuliang Song @clsong.com · 16/06/2026
Spent the last two years developing a new Intro to Physics course for undergrad biology majors. It features tons of examples from biology (especially Ecology & Evolution!) and requires only middle school-level math. Lecture note here shorturl.at/0PiVp Any comments or feedback are highly welcome!
drive.google.com
physics_for_biologists.pdf
312054
Xinjun Zhang @zhanglabpopgen.bsky.social · 09/06/2026
My postdoc Susanna Gutierrez will represent the Zhang Lab at the #PEQG26! She will present a poster on Thursday showing that a refined map of adaptive introgression candidates in Peruvians revealed multiple waves of adaptation driven by archaic variants, including a hot story on CXCR4 🔥
0111
Reposted by Xinjun Zhang
Sasha Gusev @sashagusevposts.bsky.social · 07/06/2026
I wrote about AI in academia. "PhD-level thinking", LLM bias, grunt work, alignment, AGI, data center water use, AI politics -- something for everyone.
open.substack.com
Thoughts on AI in academia
PhD-level thinking, LLM bias, alignment, AGI, data centers, and AI politics
59336
Xinjun Zhang @zhanglabpopgen.bsky.social · 04/06/2026
oops this is exactly how I write my grants 🫣
020
Reposted by Xinjun Zhang
Aaron Ragsdale @apragsdale.bsky.social · 03/06/2026
New from @gvbarroso.bsky.social in our lab: quantifying the relative importance of mutation rate variation and background selection to levels of diversity along the human genome.
12911
Reposted by Xinjun Zhang
Arslan Zaidi @aazaidi.bsky.social · 28/05/2026
Happy to present our perspective on how to think about group-differences in genetic risk. With @nicole-kleman.bsky.social , Meng Lin, and Chris Gignoux.
arxiv.org
Tread lightly interpreting group differences in genetic risk
Observed differences in mean phenotypic values across human groups have attracted renewed interest with the rise of large-scale genomic studies and polygenic risk prediction. However, the genetic basi...
1156
Reposted by Xinjun Zhang
Nicholas Mancuso @nmancuso.bsky.social · 28/04/2026
Please share! The USC Department of Quantitative and Computational Biology is searching for a full-time, teaching-track faculty member for the teaching of QBIO undergraduate statistics and computational biology courses. usccareers.usc.edu/job/los-ange...
usccareers.usc.edu
Full-Time, Teaching-Track Faculty Position in Quantitative and Computational Biology at USC
Learn more about applying for Full-Time, Teaching-Track Faculty Position in Quantitative and Computational Biology at USC
01924
Xinjun Zhang @zhanglabpopgen.bsky.social · 26/04/2026
We got a new lab photo! Celebrating a productive year - 3 upcoming preprints (keep an eye out!) 2 trainee grant submissions and 1 master's thesis - with axes and knives throwing. I'm very proud of my group and I'm darn lucky to have them working with me! #ProudPI
0151
Reposted by Xinjun Zhang
Eduardo Amorim @cegamorim.bsky.social · 22/04/2026
“South America—the last continet to be settled—was peopled in surprisingly complex way” by Lizzie Wade @science.org www.science.org/content/arti... (Link to the paper in the quoted skeet below)
science.org
South America—the last continent to be settled—was peopled in surprisingly complex way
Genetically diverse groups arrived in three waves, some potentially carrying genes acquired from long-ago Australasian ancestors
01912
Reposted by Xinjun Zhang
Society for Molecular Biology and Evolution @official-smbe.bsky.social · 23/04/2026
Anne C. Stone, Regents Professor @arizonastateuni.bsky.social has been awarded our Lifetime Contribution Award. @acstone.bsky.social Visit our website to learn more about the SMBE Faculty Awards 🔗 smbe.org/faculty-awards #society
SMBE Lifetime Contribution Award - Anne C. Stone
1343
Reposted by Xinjun Zhang
Tábita Hünemeier @hunemeier.bsky.social · 22/04/2026
Our new paper is out in @nature.com! By exploring the rich genetic diversity of Indigenous peoples across America, we show how large-scale genomic data reveal far more complex evolutionary history, shaped by multiple dispersals, long-term regional continuity, and adaptation to diverse environments.
13215
Reposted by Xinjun Zhang
April Wei @aprilwei.bsky.social · 12/04/2026
Very proud to share our new work on General, orders-of-magnitude faster whole-genome analysis with genotype representation graphs (GRG). We topped ourselves in this one 🚀 and made GRG a practical foundation for biobank-scale population and statistical genetics. www.biorxiv.org/content/10.6...
biorxiv.org
24618
Reposted by Xinjun Zhang
Na Cai @caina89.bsky.social · 13/03/2026
📢 Call for submissions: The RECOMB-Genetics satellite workshop will take place in Thessaloniki, Greece 🇬🇷 on May 25, 2026, just before the RECOMB conference (May 26–29) @recombconf.bsky.social 📅 Submission deadline: April 2 (AoE) 👉 recomb.org/recomb2026/r... Submit your work and join us!
recomb.org
052
Reposted by Xinjun Zhang
Society for Molecular Biology and Evolution @official-smbe.bsky.social · 11/03/2026
SMBE 2026 Workshop: Genomic History Inference Strategies Tournament (GHIST) kickoff 🗓️ June 28 🔗 smbe2026.org/programme #SMBE2026
SMBE 2026 Workshop
Genomic History Inference Strategies Tournament kickoff

June 28
154
Reposted by Xinjun Zhang
HHMI @hhmi-science.bsky.social · 11/03/2026
Second- or third-year PhD student in biological or biomedical sciences? Get ready — applications for our #GilliamFellows Program open Sept. 1! Robust research support, incredible scientific community, & tailored professional development that can transform a PhD journey. 🧪 bit.ly/4bjdTmr
02617
Reposted by Xinjun Zhang
Jenny Tung @jennytung.bsky.social · 05/03/2026
Leipzig U and the MPI for Evolutionary Anthropology (MPI-EVA) have an open faculty position (W2) in evolutionary population genetics! This position is tenured and comes with generous core funding. We are eager to welcome a new colleague! Deadline March 11. www.uni-leipzig.de/en/newsdetai...
uni-leipzig.de
Professorship in population genetics in the field of evolutionary anthropology and medicine (W2)
Faculties & Facilities
06098
Reposted by Xinjun Zhang
PopGen Vienna @popgenviennaphd.bsky.social · 18/02/2026
The PopGen Vienna Seminar series schedule is ready for the next term (March-June). It's jam-packed with fantastic speakers in #evolution, #genetics, #genomics, #popgen, and more! Details and streaming link signup can be found on our website popgen-vienna.at/news/seminars/
12718
Reposted by Xinjun Zhang
Jeffrey Ross-Ibarra @jrossibarra.bsky.social · 09/02/2026
Fun news! @gcbias.bsky.social and I are teaching a 2-week online population genetics workshop this summer to raise money for the Center for Population Biology at UC Davis. We're trying to gauge interest -- please fill this out if you might be interested! And please share broadly!
docs.google.com
Davis Summer Population Genomics Program
Want to learn population genetics? Please fill out this form to indicate your potential interest in a 2-week intensive online summer population genetics course taught by Jeffrey Ross-Ibarra and Graham...
6140168
Reposted by Xinjun Zhang
Jenny Tung @jennytung.bsky.social · 06/02/2026
Very excited about this year’s Biology of Genomes meeting, especially keynotes from @jkpritch.bsky.social and @janetk.bsky.social. A great venue to see what’s new and upcoming in genomics, writ broadly. Abstract submissions due in 1 week!
095
Reposted by Xinjun Zhang
Mingzuyu Pan @mingzuyu-pan.bsky.social · 18/12/2025
Happy to share my work with my advisor Zachary Szpiech! Why are associations between ROH & complex traits inconsistent across studies? We use realistic simulations to show how demographic history and genetic architecture interact to shape the phenotypic impact of ROH. www.biorxiv.org/content/10.6...
biorxiv.org
The Influence of Demographic History and Genetic Architecture on Complex Traits via Runs of Homozygosity
Runs of homozygosity (ROH) are contiguous genomic regions where all sites are homozygous, inherited from identical haplotypes due to shared ancestry. The number and length of ROH in individuals varies...
0218
Reposted by Xinjun Zhang
Peter Sudmant @psudmant.bsky.social · 18/12/2025
The registration deadline is fast approaching for probgen 2026! Abstracts due by January 15, registration by January 31 probgen2026.github.io
probgen2026.github.io
Home - ProbGen 2026
Your Site Description
11718
Reposted by Xinjun Zhang
Nandita Garud @nanditagarud.bsky.social · 17/12/2025
Grateful to share our paper on gene-specific selective sweeps in human gut microbiomes, now out in Nature! It has been a joy to work with @rwolff.bsky.social, whose insights and hard work made this possible. www.nature.com/articles/s41...
nature.com
Gene-specific selective sweeps are pervasive across human gut microbiomes - Nature
Development and application of the integrated linkage disequilibrium score (iLDS) reveals both selective pressures impacting the human gut microbiome and the mechanisms by which gut bacteria adapt to ...
1014969
Reposted by Xinjun Zhang
Philip Ball @philipcball.bsky.social · 16/12/2025
Well well. The standard model for how frequencies of recessive disease genes are established doesn't work. And that seems to be because recessive variants are visible to selection due to pleiotropy. (But still we teach Mendelian genetics...) www.biorxiv.org/content/10.6...
biorxiv.org
Allele Frequencies at Recessive Disease Genes are Mainly Determined by Pleiotropic Effects in Heterozygotes
The classic theory of mutation-selection balance predicts the equilibrium frequency of genetic variation under negative selection. The model predicts a simple relationship between the total frequency ...
63212
Xinjun Zhang @zhanglabpopgen.bsky.social · 16/12/2025
Preprint online right before the holidays! Excited to share the first piece of work from the Zhang Lab, led by my absolutely stellar postdoc Michelle Kim! In this work, we ask how admixture, selection and demography shape complex trait genetics and GWAS performance www.biorxiv.org/content/10.6...
biorxiv.org
Determining the driving factors shaping genetic architecture of complex traits in recently admixed populations
Understanding the genetic architecture of complex traits in admixed populations remains challenging due to heterogeneous genetic backgrounds and demographic histories. Mischaracterizing admixture can ...
14421
Reposted by Xinjun Zhang
Yun Deng @yundeng.bsky.social · 26/11/2025
Work from my amazing undergrad @leyan-wang.bsky.social is just preprinted! TL;DR: If you worry that ARG methods might fail on unphased data due to phasing errors, you may not need to. Check it out & consider reposting to support a great young scientist!
02012
Reposted by Xinjun Zhang
Martin Kuhlwilm @kuhlwilm.bsky.social · 20/11/2025
And another paper from the admixlab: SAI - statistics for adaptive introgression! doi.org/10.1093/molb...
doi.org
SAI: A Python Package for Statistics for Adaptive Introgression
Abstract. Adaptive introgression is an important evolutionary process, which can be identified with widely used summary statistics, such as the number of u
0146
Reposted by Xinjun Zhang
Chris Kyriazis @ckyriazis.bsky.social · 04/08/2025
I am thrilled to share this paper outlining some ideas I’ve been thinking about for a little while on a simple but powerful approach for predicting risk of inbreeding depression from long runs of homozygosity and non-ROH heterozygosity. 1/n @klohmueller.bsky.social doi.org/10.1016/j.tr...
15427
Reposted by Xinjun Zhang
Nandita Garud @nanditagarud.bsky.social · 22/07/2025
I am seeking a postdoc for my group at UCLA. We work at the intersection of population genetics x microbiome (garud.eeb.ucla.edu). If interested, please message me!
garud.eeb.ucla.edu
Garud Lab
18598
Reposted by Xinjun Zhang
Emily Josephs @emjo.bsky.social · 21/07/2025
Sophie Buysse's paper on short stamen loss in Arabipsis is published in this month's Evolution issue!! academic.oup.com/evolut/artic... @journal-evo.bsky.social
academic.oup.com
Evaluating the roles of drift and selection in trait loss along an elevational gradient
The evolutionary mechanisms underlying loss or retention of traits that have lost function are poorly understood. Short stamens in Arabidopsis thaliana pro
1287
Xinjun Zhang @zhanglabpopgen.bsky.social · 21/07/2025
Having major FOMO about #SMBE2025 in my hometown… but I’m very proud that my postdoc, Susanna Gutierrez, will be presenting our work on inferring the selection history of adaptive introgression candidates in Peruvians at poster S12-P19. Please visit her during poster session 3 if you're interested!
0194
Reposted by Xinjun Zhang
Miguel Angel Contreras Sieck💀🧬🦴🇵🇸 @miguelontlacuatzin.bsky.social · 18/06/2025
www.nature.com/articles/d41...
nature.com
First ever skull from ‘Denisovan’ reveals what ancient people looked like
Ancient proteins and calcified dental plaque identify heavy-browed fossil from China as a Denisovan.
032
Reposted by Xinjun Zhang
Dan Schrider @samurscicop.bsky.social · 05/06/2025
The preliminary program of ProbGen 2026, which will be held at UC Berkeley, is now up: probgen2026.github.io Sharing on behalf of Rasmus Nielsen who is not on this site. For more see his thread on that other site: x.com/ras_nielsen/...
probgen2026.github.io
Home - ProbGen 2026
Your Site Description
02113
Xinjun Zhang @zhanglabpopgen.bsky.social · 08/05/2025
Super excited to share my latest preprint with @klohmueller.bsky.social! Here we leverage the unique signature that recessive deleterious variants can lead to an increase in archaic ancestry to tackle a classic question - the dominance distribution on the human genome www.biorxiv.org/content/10.1...
biorxiv.org
Neanderthal introgressed ancestry reveals human genomic regions enriched with recessive deleterious mutations
Negative natural selection on deleterious mutations plays a key role in shaping human genetic variation. Understanding the dominance of deleterious mutations is critical as it can fundamentally impact...
23217
Reposted by Xinjun Zhang
Clement Chow @clementychow.bsky.social · 03/05/2025
Repost w/ correct link! The Dept of Human Genetics at the Univeristy of Utah is hosting a Rising Stars in Genetics & Genomics postdoc symposium. We are looking to feature postdocs doing cool science! Please self nominate or nominate an excellent postdoc! #ASHGtrainees docs.google.com/forms/d/e/1F...
02326
Reposted by Xinjun Zhang
Palaeotrails @palaeotrails.bsky.social · 29/04/2025
Kirk Lohmueller DominL uses patterns of archaic ancestry to infer degree of dominance. Provides statistical support for the presence of recessive deleterious mutations in the human genome. Up to 15% of the human genome may carry recessive deleterious mutations! 🧬 #HumanEvo25
0116
Reposted by Xinjun Zhang
Roshni Patel @roshnipatel.bsky.social · 18/04/2025
a quick note on my paper with @jeffspence.bsky.social and @jkpritch.bsky.social on conditional frequency spectra, now out in a @genetics-gsa.bsky.social special issue: doi.org/10.1093/genetics/iyae210
doi.org
Characterizing selection on complex traits through conditional frequency spectra
Abstract. Natural selection on complex traits is difficult to study in part due to the ascertainment inherent to genome-wide association studies (GWAS). Th
35924