Joel Sharbrough
@jsharbro.bsky.social
Assistant Professor of evolutionary biology in the
Ecology, Evolution, and Marine Biology Department @ucsantabarbara.bsky.social, interested in mito-nuclear and plastid-nuclear interactions. (he/his)
Ecology, Evolution, and Marine Biology Department @ucsantabarbara.bsky.social, interested in mito-nuclear and plastid-nuclear interactions. (he/his)
Reposted by Joel Sharbrough
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.
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.
January 18, 2026 at 2:00 AM
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.
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.
Reposted by Joel Sharbrough
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.
December 22, 2025 at 6:58 PM
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.
Reposted by Joel Sharbrough
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...
Please help us by filling out this questionnaire: docs.google.com/forms/d/e/1F...
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
docs.google.com
November 24, 2025 at 2:49 PM
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...
Please help us by filling out this questionnaire: docs.google.com/forms/d/e/1F...
Reposted by Joel Sharbrough
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
🎉 Congrats Dr. Moeller! @ucsantabarbara.bsky.social
🙏 #HFScout Ginger Armbrust
December 11, 2025 at 5:47 PM
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
🎉 Congrats Dr. Moeller! @ucsantabarbara.bsky.social
🙏 #HFScout Ginger Armbrust
Reposted by Joel Sharbrough
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” 🙃
- 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” 🙃
December 11, 2025 at 11:16 AM
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” 🙃
- 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” 🙃
Reposted by Joel Sharbrough
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...
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...
evol.mcmaster.ca
November 18, 2025 at 2:14 PM
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...
Reposted by Joel Sharbrough
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
🔗 doi.org/10.1093/gbe/evaf192
#genome #evolution #WGD
November 6, 2025 at 4:18 PM
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
🔗 doi.org/10.1093/gbe/evaf192
#genome #evolution #WGD
Reposted by Joel Sharbrough
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)
TLDR: Surprise! A VERY recent WGD.
academic.oup.com/gbe/article/...
Photo: C. Böck, ILIM, Mondsee, Austria)
November 5, 2025 at 4:50 PM
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)
TLDR: Surprise! A VERY recent WGD.
academic.oup.com/gbe/article/...
Photo: C. Böck, ILIM, Mondsee, Austria)
Reposted by Joel Sharbrough
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!
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!
November 4, 2025 at 6:06 PM
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!
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!
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!
November 3, 2025 at 5:27 PM
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!
Reposted by Joel Sharbrough
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 🧬🌐🌎
October 24, 2025 at 5:19 AM
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 🧬🌐🌎
Reposted by Joel Sharbrough
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...
Applied Biostatistics
ybrandvain.github.io
October 24, 2025 at 2:47 PM
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...
Reposted by Joel Sharbrough
#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
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
October 20, 2025 at 4:17 PM
#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
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
Reposted by Joel Sharbrough
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...
share.google/gukbzS1zdIx6...
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...
share.google
October 10, 2025 at 6:11 PM
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...
share.google/gukbzS1zdIx6...
Reposted by Joel Sharbrough
PEQG website live! genetics-gsa.org/peqg-2026/
Homepage - 2026 Population, Evolutionary, and Quantitative Genetics Conference
Visit our website to learn more.
genetics-gsa.org
October 9, 2025 at 4:08 PM
PEQG website live! genetics-gsa.org/peqg-2026/
Reposted by Joel Sharbrough
🚨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...
"Reference letters are due Friday, November 7 at 5:00 p.m. Eastern Time (ET)."
www.nsf.gov/funding/oppo...
NSF Graduate Research Fellowship Program (GRFP)
www.nsf.gov
October 3, 2025 at 10:36 PM
🚨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...
"Reference letters are due Friday, November 7 at 5:00 p.m. Eastern Time (ET)."
www.nsf.gov/funding/oppo...
Reposted by Joel Sharbrough
📣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...
An error has occurred.
careerspub.universityofcalifornia.edu
October 1, 2025 at 7:29 PM
📣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...
Reposted by Joel Sharbrough
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...
jobs.colostate.edu/postings/165...
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...
jobs.colostate.edu
September 8, 2025 at 3:45 PM
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...
jobs.colostate.edu/postings/165...
Reposted by Joel Sharbrough
We’re excited to share our new work on how plants restore cytonuclear balance after whole-genome duplication. Using Arabidopsis auto- and allopolyploids, we uncover distinct, organelle-specific strategies in chloroplasts and mitochondria across generations.
doi.org/10.1111/tpj....
doi.org/10.1111/tpj....
Restoring cytonuclear harmony: Distinct strategies in Arabidopsis auto‐ and allopolyploids
Whole-genome duplication (WGD) disrupts cytonuclear balance by doubling nuclear content, requiring compensatory responses from organelles. In Arabidopsis auto- and allopolyploids, we found dynamic, o...
doi.org
September 2, 2025 at 2:10 PM
We’re excited to share our new work on how plants restore cytonuclear balance after whole-genome duplication. Using Arabidopsis auto- and allopolyploids, we uncover distinct, organelle-specific strategies in chloroplasts and mitochondria across generations.
doi.org/10.1111/tpj....
doi.org/10.1111/tpj....
Reposted by Joel Sharbrough
New Preprint! This one led by Sam Gibbon, an outstanding undergrad I've worked with for the past year. We take a look at whether segregation patterns in tetraploids (disomic v polysomic) affects mut-sel dynamics. We found some surprising results, and some subtleties: www.biorxiv.org/content/10.1...
Bistable Mutation-Selection Equilibria and Violations of Fisher's Theorem in Tetraploids: Insights from Nonlinear Dynamics
Polyploidy and whole genome duplication (WGD) are widespread biological phenomena with substantial cellular, meiotic, and genetic effects. Despite their prevalence and significance across the tree of ...
www.biorxiv.org
September 2, 2025 at 6:32 PM
New Preprint! This one led by Sam Gibbon, an outstanding undergrad I've worked with for the past year. We take a look at whether segregation patterns in tetraploids (disomic v polysomic) affects mut-sel dynamics. We found some surprising results, and some subtleties: www.biorxiv.org/content/10.1...
Reposted by Joel Sharbrough
Please share broadly: I am looking for a postdoctoral fellow to work on a collaborative project on the temporal population genomics of invasive Capeweed (using contemporary and herbarium genomics), with @shaky-dingo.bsky.social and colleagues
August 27, 2025 at 12:09 PM
Please share broadly: I am looking for a postdoctoral fellow to work on a collaborative project on the temporal population genomics of invasive Capeweed (using contemporary and herbarium genomics), with @shaky-dingo.bsky.social and colleagues
Reposted by Joel Sharbrough
My pick for In Other Journals this week:
MSH1 suppresses organelle mutation - an investigation of how many plants maintain very low mitochondrial mutation rates
My summary here:
www.science.org/doi/10.1126/...
Paper here: doi.org/10.1371/jour...
@sloanevolab.bsky.social
#PlantScience
MSH1 suppresses organelle mutation - an investigation of how many plants maintain very low mitochondrial mutation rates
My summary here:
www.science.org/doi/10.1126/...
Paper here: doi.org/10.1371/jour...
@sloanevolab.bsky.social
#PlantScience
In Other Journals
Editors’ selections from the current scientific literature
www.science.org
August 22, 2025 at 8:40 AM
My pick for In Other Journals this week:
MSH1 suppresses organelle mutation - an investigation of how many plants maintain very low mitochondrial mutation rates
My summary here:
www.science.org/doi/10.1126/...
Paper here: doi.org/10.1371/jour...
@sloanevolab.bsky.social
#PlantScience
MSH1 suppresses organelle mutation - an investigation of how many plants maintain very low mitochondrial mutation rates
My summary here:
www.science.org/doi/10.1126/...
Paper here: doi.org/10.1371/jour...
@sloanevolab.bsky.social
#PlantScience
Reposted by Joel Sharbrough
MSU Plant Bio is hiring a new herbarium director! Our herbarium is a wonderful resource on campus and I'm excited to have the opportunity to make it even better by bringing in a new director. Details here: plantbiology.natsci.msu.edu/job-postings...
plantbiology.natsci.msu.edu
August 21, 2025 at 3:01 PM
MSU Plant Bio is hiring a new herbarium director! Our herbarium is a wonderful resource on campus and I'm excited to have the opportunity to make it even better by bringing in a new director. Details here: plantbiology.natsci.msu.edu/job-postings...
Reposted by Joel Sharbrough
A little belated but I've started a faculty position at Ecology, Evolution and Marine Biology department at @ucsantabarbara.bsky.social. I'm absolutely stoked! I'll be recruiting at all levels and will be at #Botany2025
Reach out!
www.martinezgomezlab.com
Reach out!
www.martinezgomezlab.com
Martinez-Gomez Lab
Plant Evo-Devo
www.martinezgomezlab.com
July 25, 2025 at 8:09 PM
A little belated but I've started a faculty position at Ecology, Evolution and Marine Biology department at @ucsantabarbara.bsky.social. I'm absolutely stoked! I'll be recruiting at all levels and will be at #Botany2025
Reach out!
www.martinezgomezlab.com
Reach out!
www.martinezgomezlab.com
Reposted by Joel Sharbrough
Almost ready for #Botany2025 - come see the first project of my postdoc with @blackrim.bsky.social on Tuesday at 1:45pm in Mesquite B.
July 23, 2025 at 2:45 PM
Almost ready for #Botany2025 - come see the first project of my postdoc with @blackrim.bsky.social on Tuesday at 1:45pm in Mesquite B.