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Graham Coop

@gcbias.bsky.social
7K followers 1.5K following 1.2K posts

Population and evolutionary genetics @UCDavis. Posts, grammar, & spelling are my views only. He/him. #OA popgen book github.com/cooplab/popgen-notes/rel…

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Reposted by Graham Coop
Peter Beerli @peterbeerli.bsky.social · 7h
Application is open for for the Molecular Evolution Workshop at the MBL in Woods Hole (May 22- June 1) www.mbl.edu/education/ad...
mbl.edu
Workshop on Molecular Evolution | Marine Biological Laboratory
The workshop serves graduate students, postdocs, and established faculty from around the world seeking to apply the principles of molecular evolution to questions of anthropology, conservation genetic...
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TallFroGuy - Shape Decider @tallfroguy.bsky.social · 11/10/2026
(The top left hole has two pigeons) #critterposting
Crude drawing of 10 white pigeons in 9 brown and black squares. Shaped like shapes
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Tom Near @tjnear.bsky.social · 13/10/2026
Paleobotanists, come be our colleague at the wonderful Yale Peabody Museum! apply.interfolio.com/194803
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Benjamin Freeman @benjaminfreeman.bsky.social · 13/10/2026
*** please share widely *** Georgia Tech is hiring an ecologist tinyurl.com/GT-eco-coasts - general search - submit by Dec 1 - come join us, we have a growing group of excellent + collegial eco eco folks (e.g., @armanafzadeh.bsky.social, Sean Anderson, @jameststroud.bsky.social, Lauren Speare)
google.com
Redirecting
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Jeffrey Ross-Ibarra @jrossibarra.bsky.social · 13/10/2026
I'm excited. Five more days until this job closes. Come do plant evolution here at Davis! recruit.ucdavis.edu/JPF07777?utm...
recruit.ucdavis.edu
EVE Plant Evolutionary Biology Assistant Professor
University of California, Davis is hiring. Apply now!
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Phil PlAIt @philplait.bsky.social · 12/10/2026
This is one of the absolute coolest shots of the expanding debris from a supernova explosion I have ever seen, and I've seen a *lot*. So what the heck's going on here with this thing? Hey, let me explain. badastronomy.beehiiv.com/p/an-incredi... 🧪 🔭
badastronomy.beehiiv.com
An incredible image of a celestial fireworks display
A supernova in the year 1181 produced the spectacular Pa 30 nebula
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German Lagunas-Robles @g-lagunasrobles.bsky.social · 12/10/2026
Our manuscript is now available in Evolution Letters @evolletters.bsky.social ! We examine the three neo-Ys in mountain pine beetle which are suspected to be contributing to cryptic species diversity. doi.org/10.1093/evle...
doi.org
The tortured past and present of young polymorphic neo-sex chromosomes of the mountain pine beetle
Abstract. Neo-sex chromosomes have proven powerful for studying the early stages of sex chromosome evolution and differentiation, yet if these dynamic proc
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German Lagunas-Robles @g-lagunasrobles.bsky.social · 12/10/2026
This past summer, work from my dissertation was published in MBE ! We found that the sex ratio supergene in Formica likely has two origins, one Nearctic and one Palearctic. This likely happened due to recombination between two standing haplotypes that underlie colony queen number! 🐜🐜
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Sasha Gusev @sashagusevposts.bsky.social · 12/10/2026
I wrote about the recent symposium on Greg Clark's forthcoming book on genetics and social mobility. Clark uses large-scale lineage data to argue that social status in England can be entirely explained by genetic transmission. 🧵
theinfinitesimal.substack.com
Vibe heritability
The EJW symposium on Gregory Clark on genetics and social mobility
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Graham Coop @gcbias.bsky.social · 12/10/2026
Interviewer: can you explain this gap in your CV? Genomicist: Once you include an outgroup, you'll see that it's actually an insertion in the career of other candidates
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Tami Lieberman @contaminatedsci.bsky.social · 11/10/2026
When is on-person evolution dominated by neutral vs adaptive forces? If you're looking for a postdoc position and this is a question that interests you, please see my lab website and reach out! [More info in next posts]
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United Farm Workers @ufw.bsky.social · 11/10/2026
Widespread reports describe a California-wide "surge" through November, with agents being told to "go after anybody." That includes our members. www.washingtonexaminer.com/policy/infra...
washingtonexaminer.com
ICE to hit California hard before midterm elections: Sources
ICE leadership has told officers to arrest all illegal immigrants they encounter, regardless of whether an individual has a criminal history.
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Harmit Singh Malik @harmitmalik.bsky.social · 10/10/2026
Most animal species pack sperm DNA with protamines instead of histones. Protamines are essential for male fertility. They are among the fastest-evolving genes in animals. That makes little sense. We think we know why, in a new paper led by @ching-hochang.bsky.social. www.science.org/doi/10.1126/...
science.org
Rapid protamine evolution suppresses meiotic drive in Drosophila
Many animal species replace histones with protamines during spermatogenesis. Although essential for sperm function, protamines evolve rapidly for reasons that remain unknown. Using in vivo gene replac...
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Nicolas Bierne @couplingdmi.bsky.social · 07/10/2026
A new preprint from my former PhD student Lila Colston-Nepali: “Parallel differentiation extends beyond chromosomal inversions to small genomic islands on a background of rampant gene flow in the European flat oyster Ostrea edulis” www.biorxiv.org/content/10.6... #PopGen #MarEvol #ParallelEvolution
biorxiv.org
Parallel differentiation extends beyond chromosomal inversions to small genomic islands on a background of rampant gene flow in the European flat oyster (Ostrea edulis)
Heterogeneous genomic landscapes of differentiation can reveal evolutionary processes acting over different timescales. Whereas genetic structure in the European flat oyster, Ostrea edulis , is mainly...
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Mark Peifer (He, him) @peiferlabunc.bsky.social · 09/10/2026
If you are an NIH funded scientist and have not commented, you are agreeing that this change is a good idea. If, you, like me, think ditching peer review is a bad idea, take the 5 minutes and post a comment.
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Alex Merz 🇺🇸🇨🇦🇺🇦 @merz.bsky.social · 08/10/2026
The goal of this rule change is to make grant review impact and percentile scores opaque, so that political interference with grant funding decisions by Trump apparatchiks is harder to detect or document. I submitted my comment in opposition last night. You should submit yours today.
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Graham Coop @gcbias.bsky.social · 10/10/2026
Ambassador you are spoiling us [as a hand pokes out a human high pile]
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闵娅(Min Ya; Minya) PhD @minyaaa.bsky.social · 07/10/2026
Heya I put together a bunch of things that i have been thinking about over the past a few years into this insight piece and look forward to any discussion this may lead to 🌸💚
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Jeremy Berg @jeremymberg.bsky.social · 08/10/2026
Alright, this is pretty effing hilarious... www.nbcchicago.com/news/local/m...
nbcchicago.com
'I do not want to bake': Michigan school fundraiser goes viral for hilariously direct approach
A Michigan middle school fundraiser is going viral for its direct approach after a dad shared a form his daughter brought home in a social media post.
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Tiffany Lowe-Power stands with Minnesota @tlowepower.bsky.social · 08/10/2026
Our world class international graduate students/postdocs are in the same union as domestic students/postdocs. They are not suppressing wages.
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Dr Craig R McClain @drcraigmc.bsky.social · 17/09/2026
Some glass sponges may be the oldest animals on Earth. Individuals of Monorhaphis chuni are estimated at over 11,000 years old, and they build a single skeletal spike up to 3m long, the largest natural glass structure any animal makes. 🧪 #SpongeThursday #HowToBuildAGiant #marinelife
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Alexei Maklakov @alexeimaklakov.bsky.social · 08/10/2026
Why do some animals continue to live long after they have stopped reproducing? And what about sex differences in lifespan? Apply here to find out 😀: I have ARIES DTP PhD position together with Tracey Chapman, Simone Immler, see below! aries-dtp.ac.uk/studentships...
aries-dtp.ac.uk
Postreproductive Maternal Care and the Evolution of Sex Differences in Lifespan | Aries
Professor Alexei Maklakov, School of Biological Sciences, University of East Anglia – contact me Professor Tracey Chapman, UEA/BIO Professor Simone Immler, UEA/BIO Why do some animals continue to live...
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Neil Tsutsui @neiltsutsui.bsky.social · 06/10/2026
Only 3 more days to apply for our Assistant Professor in Arthropod Biodiversity position! The application deadline is October 9, 11:59pm! aprecruit.berkeley.edu/JPF05523
aprecruit.berkeley.edu
Assistant Professor - Arthropod Biodiversity - Department of Environmental Science, Policy, and Management
University of California, Berkeley is hiring. Apply now!
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Graham Coop @gcbias.bsky.social · 08/10/2026
Not even in advertising my one man dance squad "Eppur si muove" ?
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ching-hochang.bsky.social @ching-hochang.bsky.social · 08/10/2026
Thrilled to share that our paper is finally out in Science Advances! 🔗 www.science.org/doi/10.1126/... TL;DR: A Drosophila protamine acts as shields resolving conflict between X and Y chromosomes. Disruption unleashes meiotic drive that kills X-bearing sperm and skews progeny sex ratios. 🪰🧬ᯡ
science.org
Rapid protamine evolution suppresses meiotic drive in Drosophila
Many animal species replace histones with protamines during spermatogenesis. Although essential for sperm function, protamines evolve rapidly for reasons that remain unknown. Using in vivo gene replac...
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Will Ratcliff @wcratcliff.bsky.social · 07/10/2026
Out today in @nature.com: our review on how single cells evolve into multicellular organisms. With Ozan Bozdag, @kaitong25.bsky.social, Peter Yunker, and @matthewherron.bsky.social. rdcu.be/9ZuiKow9twKa For an overview, check out the video below.
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Molecular Ecology @molecology.bsky.social · 28/09/2026
We are proud to announce that the 2026 Molecular Ecology Prize has been awarded to Dr. Sally Aitken, professor in the Department of Forest and Conservation Sciences, University of British Columbia. Congrats to Dr. Aitken! Read More: buff.ly/TAMIcsF 1/4
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Sarah Hird, PhD @sarahhird.bsky.social · 07/10/2026
That time I put almost all the chipmunk species in the western USA on one map. Did you know there’s 1 species of chipmunk in Asia, 1 in eastern USA & >20 in western USA? (I’m not the crazy one here. The chipmunks are the crazy ones.)
Map of the western USA with 20 overlapping chipmunk species distributions in different colors.
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Rich Meisel @richmeisel.bsky.social · 03/10/2026
We generated chromosome scale assemblies of house flies with different Y chromosomes. You won't believe what happened next!
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Chris Smith @chriscrsmith.bsky.social · 30/09/2026
I'm hiring a postdoc in population and evolutionary genetics at Indiana University Bloomington! We're a computational lab working on spatial demographic inference using genomic data and machine learning. You can apply here: indiana.peopleadmin.com/postings/34508
indiana.peopleadmin.com
Indiana University Academic Positions
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Rafael Marcondes @rafamarcondes.bsky.social · 01/10/2026
My dept is hiring 2 lecturers, one in cell/molec and the other in comp bio. 100% teaching, no tenure but generous intervals btwn renewals. Same position as me and I love my job!!! Very collegial dept w/ colleagues who take quality teaching v seriously barnard.wd1.myworkdayjobs.com/en-US/Facult...
barnard.wd1.myworkdayjobs.com
Lecturer of Biological Sciences
If you are a current Barnard College employee, please use the internal career site to apply for this position. Job: Lecturer of Biological Sciences Barnard is a premier liberal arts undergraduate coll...
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Jeffrey M Kidd @jeffreymkidd.bsky.social · 01/10/2026
Excited to share that my department has an open faculty search for an Assistant Professor! The search is broad, focused on candidates who plan to address fundamental questions in genetics and genomics. The due date is soon: Nov 13. You can apply through interfolio. apply.interfolio.com/190644
apply.interfolio.com
Apply - Interfolio {{$ctrl.$state.data.pageTitle}} - Apply - Interfolio
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bioRxiv Evolutionary Biology @biorxiv-evobio.bsky.social · 02/10/2026
Evolutionary contingency facilitates scent divergence in an emergent orchid population www.biorxiv.org/content/10.64898/20…
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UNR Biology Buzz @unr-biologybuzz.bsky.social · 02/10/2026
We are hiring! 🧪 Tenure-track position in Evolutionary Biology at the University of Nevada, Reno. Great colleagues, nearby mountains, and of course a certain lake... Application info: nshe.wd1.myworkdayjobs.com/UNR-external... www.unr.edu/biology #evolution #EEB #ecoevo #evolsky #academicjobs
A winter view of Lake Tahoe and the Sierra Nevada mountains with snow on the ground and trees
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Dr Craig R McClain @drcraigmc.bsky.social · 01/10/2026
Well there is another hour of my life. Orange are the forbidden ones!
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Dr Craig R McClain @drcraigmc.bsky.social · 01/10/2026
More geekery tonight. Trying to make sure my code worked as intended and generating Raup's Figure 2 from his 1962 paper "Computer as Aid in Describing Form in Gastropod Shells" #marinelife #SciArt #paleobiology #MolluscMonday #paleontology
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John P. Friel, Ph.D. @friel.bsky.social · 01/10/2026
Check out this lovely profile of the University of California, Davis’s Peter Wainwright, whose lifelong fascination with fishes inspired a remarkable career in research and teaching. Peter was my postdoc advisor years ago when he was at Florida State University, and is awesome dude and mentor.
ucdavis.edu
Among the Academies: A Lifelong Fascination With Fish
For Peter Wainwright, the academic path was simple: he simply followed his fascination with fish.“I dare say there wasn't a lot of deep thought about what direction I should go in my life,” he said. “...
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The French Republican Calendar @sansculottid.es · 01/10/2026
Today is Primidi the 11th of Vendémiaire in the year 235. Vendémiaire is the month of vintage. Today we celebrate potatoes. #JacobinDay See today's page
An old time-y illustration of a Potatoes.
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Kieran Healy @kjhealy.co · 01/10/2026
Here’s the monthly data with a 12-month trailing average, so we don’t “look ahead” of the time series. We can see that visits from Canada are substantially down. Like, a *lot*. And if we looked at the French series by itself we’d see something too. But it’s not on the scale of Covid. Yet.
Smoothed monthly graph shows Canada has dropped in visits substantially, but not to the extent we saw in Covid
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Phil Knutson, PhD @philknutson.bsky.social · 01/10/2026
Lignin chemistry!! I’ve drawn a line tree with the lignin polymer behind it. I’ve drawn it as one single polymer throughout! This messy, highly irregular biopolymer gives plants structural strength and helps protect their cell walls. #sciart #chemsky
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Dr Hannah M. Rowland @hannahmrowland.bsky.social · 01/10/2026
Hope your day was better than Darwin’s, on this day 165 years ago
I am very poorly today & very stupid & hate everybody &everything.

Charles Darwin
Letter to Charles Lyell
1st October 1861
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Jeffrey Ross-Ibarra @jrossibarra.bsky.social · 01/10/2026
Just over two weeks left to apply! I may be biased, but it’s hard to imagine a better place to do plant evolutionary biology.
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Michael Hickerson @hickerlab.bsky.social · 01/10/2026
How much of the tree of life did you eat? Phylodiet scores a meal by phylogenetic diversity: type what you ate and it builds the dated tree of the organisms in it, from ~3,300 edible eukaryotes, back 2 billion years. Last night's dinner, below. 🧵 mjhickerson.github.io/phylodiet/app/phylodiet.html
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Ethan Linck @elinck.bsky.social · 30/09/2026
I'm hiring a postdoc to help build tools for inferring complex speciation histories with genomic data. strong computational skills are a must, but this is a training opportunity. 60K$+ salary, 2 years, details flexible. please reach out! (and repost) ad here: jobs.montana.edu/postings/53150
jobs.montana.edu
Postdoctoral Researcher
The Department of Ecology at Montana State University is seeking a Postdoctoral Research Scholar as part of NSF-funded research on speciation under alternating cycles of gene flow and isolation (fundi...
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Matt Friedman @friedmanlab.bsky.social · 30/09/2026
Faculty curator position in vertebrate paleontology! Great opportunity to work with outstanding colleagues at LSUMNS: lsu.wd1.myworkdayjobs.com/en-US/LSU/jo...
lsu.wd1.myworkdayjobs.com
Assistant Professor
All Job Postings will close at 12:01a.m. CST (1:01a.m. EST) on the specified Closing Date (if designated). If you close the browser or exit your application prior to submitting, the application progre...
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Ellen Leffler @ellenleffler.bsky.social · 30/09/2026
My department at University of Utah is recruiting new faculty, with "Human" and "Genetics" broadly defined. It is a fantastic place to start a lab, with collaboration, creativity and conviviality encouraged. Applications due Oct 16. Please share and apply! utah.peopleadmin.com/postings/208...
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Science Magazine @science.org · 29/09/2026
On 28 September, a jet-powered drone slammed into the headquarters of the National Academy of Sciences of Ukraine in Kyiv, killing at least two people and destroying a section of the historic building. scim.ag/3TsMg5M
scim.ag
Russian drone kills at least two in Ukraine science academy attack
New underground labs are being built as war rages on
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Karolina Heyduk @kheyduk.bsky.social · 30/09/2026
UConn EEB is hiring a tropical horticulturalist for our greenhouses! It's an awesome collection of both research+teaching/public display, and you get to work with pretty amazing folks (I may be biased). Job listing: jobs.hr.uconn.edu/en-us/job/49... Closes 10/14! 🌴🌿🌵🌺
jobs.hr.uconn.edu
UConn Careers | UConn Careers | University of Connecticut
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New Phytologist @newphyt.bsky.social · 30/09/2026
Linking genomic variation to floral trait adaptation across species boundaries #TansleyReview by Acoca-Pidolle et al. @carriewessi.bsky.social nph.onlinelibrary.wiley.com/doi/10.1111/... #plantscience
Examples of floral trait divergences between sister species adapted to different pollination modes.
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Seth Finnegan @sethf.bsky.social · 30/09/2026
The UC President's Postdoctoral Fellowship program is accepting applications until November 1. If you're a finishing Ph.D student or recent grad interested in coming to Berkeley to work on a project in paleobiology/paleoecology/geobiology please feel free to reach out! ppfp.ucop.edu/info/
ppfp.ucop.edu
University of California | President’s Postdoctoral Fellowship Program
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