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Posts by Joel Sharbrough

While the situation is grim at NIH, it's closer to catastrophic at NSF. They're just not able to move any money out the door. It appears OMB has them on lockdown. www.science.org/content/arti....

3 weeks ago 366 250 7 15
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Recombination and the role of pseudo-overdominance in polyploid evolution Abstract. Natural selection is an imperfect force that can under some conditions fail to prevent the buildup of deleterious mutations. Small population siz

It took forever but my last paper as an academic is finally out. ironically this paper probably has the smallest audience, but I believe is my most impactful work. I think it provides some nice support for theories on polyploid origins, and has practical implications in crops and conservation

4 weeks ago 30 8 0 1

I am so honored to partner with this amazing and impactful vaccine advocacy organization to share JJ’s story. 💉💜💉

1 month ago 7 3 0 0
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Postdoctoral Researcher - Evolutionary Genomics and Population Genetics Position Title: Postdoctoral Researcher - Evolutionary Genomics and Population Genetics Appointment Type: Post Doc/Trainee Job Description: Summary of Duties and Responsibilities: We are seeking a Pos...

Corrinne Grover and I are hiring a postdoc to work on population and comparative genomics in multiple crop species. Applications will be accepted through March 17th and details can be found here: isu.wd1.myworkdayjobs.com/IowaStateJob...

1 month ago 4 5 0 0
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Causes and Consequences of Cytonuclear Incompatibility in Hybrids of Flowering Plants Abstract. Hybridization and polyploidization combine divergent nuclear genomes with maternally inherited organelles, often disrupting cytonuclear coadaptat

Latest work from our group together with
@jsharbro.bsky.social

This review synthesizes insights into cytonuclear incompatibility in plant hybrids and allopolyploids, highlighting maternal bias, evolutionary consequences, and applications such as cytoplasmic male sterility in seed production.

2 months ago 10 6 0 0

Science – the incremental and constructive pursuit of truth – is fundamentally a rebellion against those who would use ignorance to enslave, dominate, and control. Though it may seem an ineffectual form of combat, pursuing truth is anathema to authoritarianism, and is thus virtuous and worthwhile.

3 months ago 10 1 0 1
NSF building on Eisenhower Av. HUD now owns.

NSF building on Eisenhower Av. HUD now owns.

Destroying the NSF mural in the foyer. Of the Eisenhower building.

Destroying the NSF mural in the foyer. Of the Eisenhower building.

The National Science Foundation sign on our Eisenhower Av building is now gone.

The NSF mural in the foyer is removed and torn off in sheets.

We were supposed to celebrate the 75th anniversary of the agency in May 2025. That never happened.

3 months ago 1872 858 70 66

We must not give up in the face of this disgraceful waste. Thank you NSF program officers, for all you do!

3 months ago 0 0 0 0

Well that sent me into a rabbit hole of misery

3 months ago 2 0 1 0
An image of a recruitment advertisement for a MS position at New Mexico Tech

An image of a recruitment advertisement for a MS position at New Mexico Tech

I am recruiting a MS student in Biology at New Mexico Tech with an anticipated start date of Fall 2026 to work on the applied evolutionary genetics of wild populations with conservation or management concerns (butterflies, bighorn sheep). Please see the attached advertisement for more info.

3 months ago 14 14 0 0
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Very cool! Thank you and all the people involved for producing this!

4 months ago 0 0 0 0
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Next generation of 1001 Genomes Plus browser and data download Please indicate all features you would like to see in a browser that displays features of completely sequenced Arabidopsis thaliana genomes

We (Nordborg & Weigel labs) need input on the next generation of genome browsers & data download modes for the #Arabidopsis #1001GenomesPlus project. We have now a curated collection of over 500 long read genomes.

Please help us by filling out this questionnaire: docs.google.com/forms/d/e/1F...

4 months ago 66 70 2 2
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3/ Awardee @mixotrophe.bsky.social aims to uncover how mixotrophs (marine microbes that harness energy from the 🌞 & organic matter) strategize their metabolisms. Her project may be key to understanding our changing ocean.
🎉 Congrats Dr. Moeller! @ucsantabarbara.bsky.social
🙏 #HFScout Ginger Armbrust

4 months ago 10 4 1 1
Boxing up the NSF at Eisenhower Av for the forced relocation. Boxes have “Details Matter” signage.

Boxing up the NSF at Eisenhower Av for the forced relocation. Boxes have “Details Matter” signage.

NSF

- Forced reorg

- POs down ~ 40% (DRP, most rotators not renewed, retirements)

- Forced move (and we have to pack and clean) to a building with no furniture, little to no conference space for panels, inadequate 🛜, …)

I personally love the boxes they gave us for packing.
“Details matter” 🙃

4 months ago 374 204 12 24

Congrats Raymond! No surprise, of course, but a great accomplishment nonetheless!

4 months ago 1 0 0 0
https://evol.mcmaster.ca/brian/evoldir/GradStudentPositions//UIllinois.EEB.Genomics The Catchen Lab (https://catchenlab.life.illinois.edu/), in the Department of Evolution, Ecology, and Behavior at the University of Illinois at Urbana-Champaign is recruiting graduate students to join...

I am recruiting graduate students to my genomics-focused lab in EEB at Illinois Urbana-Champaign. Please spread the word if you know any students with an interest in a computational focus to genomics research! evol.mcmaster.ca/brian/evoldi...

5 months ago 15 33 0 1
GBE | Whole-Genome Sequence of Potamopyrgus antipodarum—A Model System for the Maintenance of Sexual Reproduction—Reveals a Recent Whole-Genome Duplication

GBE | Whole-Genome Sequence of Potamopyrgus antipodarum—A Model System for the Maintenance of Sexual Reproduction—Reveals a Recent Whole-Genome Duplication

Jalinsky et al. present a high-quality genome assembly for the New Zealand snail Potamopyrgus antipodarum, revealing a whole-genome duplication and evidence for rediploidization.

🔗 doi.org/10.1093/gbe/evaf192

#genome #evolution #WGD

5 months ago 5 5 2 0
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I am so proud & happy to see our Potamo genome assembly finally out there in the world! The process ended up being way more challenging than expected, but for some really cool reasons. ❤️🐌🧬
TLDR: Surprise! A VERY recent WGD.
academic.oup.com/gbe/article/...
Photo: C. Böck, ILIM, Mondsee, Austria)

5 months ago 21 8 2 3
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Now in Evolution: academic.oup.com/evolut/artic...

This paper started when @3rdreviewer.bsky.social, Mike, and I had a lunch at which there was a lot of, "What do you mean when you say X?" Fun to spend time thinking about when terms get too muddy, and great work by Drew to pull it all together!

5 months ago 10 7 0 0
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I am looking for a PhD student to start in my lab at UCSB in Fall 2026, studying evolutionary biology. See attached flyer for more information. Please also share with potentially interested students. Thanks!

5 months ago 5 5 0 0
A logo for the CAMBIUM NRT featuring stylized rings.

A logo for the CAMBIUM NRT featuring stylized rings.

An organ pipe cactus in the moonlight with a starry sky above.

An organ pipe cactus in the moonlight with a starry sky above.

The CAMBIUM NSF NRT is recruiting PhD students @uarizona.bsky.social! Fellowships for interdisciplinary training in biodiversity big data to adapt to & mitigate climate change impacts. Great fit for evolutionary genomics, bioinformatics, plant adaptation, ecology & more. cambium.arizona.edu 🧬🌐🌎

5 months ago 8 18 2 0
Applied Biostatistics

Hey Yaniv Brandvain is not on Bluesky but his most recent biostats ebook is live ybrandvain.github.io/biostats/. His stats resources have been so helpful to me as I develop my own stats course, so check it out. Github repo here: github.com/ybrandvain/b...

5 months ago 86 51 3 3
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#PhD Position: Interested in the evolutionary and ecological impacts of whole genome duplication?

Join Dr. Tia-Lynn Ashman @drtialynn.bsky.social
and I at the U. of Pittsburgh, to test what drives the competitive outcomes between diploids and #polyploids

Details: shorturl.at/nQ8UW

6 months ago 30 29 1 0
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Postdoctoral Researcher in Plant Evolutionary Genomics The postdoctoral researcher will work in Dr. Michael Grillo’s plant evolutionary genetics lab. The goal of this research project is to understand the genomic basis of plant-microbiome variation in leg...

I am hiring a postdoc to examine the genomic and evolutionary basis of plant microbiome variation in legumes. There are opportunities to gain teaching experience. Chicago is a great city to live in! Please help spread the word.
share.google/gukbzS1zdIx6...

6 months ago 37 49 0 1
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Homepage - 2026 Population, Evolutionary, and Quantitative Genetics Conference Visit our website to learn more.

PEQG website live! genetics-gsa.org/peqg-2026/

6 months ago 41 23 0 1
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NSF Graduate Research Fellowship Program (GRFP)

🚨GRFP DEADLINE ALERT!🚨 I missed this in my original solicitation read-through, so FYI 📣LETTERS ARE DUE BEFORE PROPOSALS📣 this year!

"Reference letters are due Friday, November 7 at 5:00 p.m. Eastern Time (ET)."

www.nsf.gov/funding/oppo...

6 months ago 21 33 0 0
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📣We're Hiring!📣 Come join us as a marine micro lab tech in sunny Santa Barbara! A great position for a 2-year post-bacc or starting point for a long-term technician position. Apply by 9 October for full consideration, and please share widely! careerspub.universityofcalifornia.edu/psp/ucsb/EMP...

6 months ago 6 8 0 0
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We do this as well, I co-teach the evolution section. Note that it's quarters, not semesters, so a bit shorter of a syllabus.

6 months ago 5 0 0 0
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Assistant Professor Plant-Microbe Interactions We seek a creative, collaborative, and visionary plant biologist to establish an internationally recognized research program at the forefront of plant-microbe interactions aimed at understanding how t...

The Department of Biology at Colorado State University is hiring an Assistant Professor in the area of plant-microbe interactions! Please spread the word!

jobs.colostate.edu/postings/165...

7 months ago 73 138 0 1

Oxidative phosphorylation! Photosynthesis! If you want nuclear-nuclear epistasis, centromeric proteins, the latter has insane rates of evolution, potentially underlying speciation

7 months ago 4 0 0 0