Jim Leebens-Mack
@jleebensmack.bsky.social
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📥 612
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Botanist. University of Georgia. Plant evolutionary biology, phylogenomics, comparative genomics.
reposted by
Jim Leebens-Mack
New Phytologist
5 days ago
We're pleased to welcome
@camilledelavaux.bsky.social
to the New Phytologist Board of Advisors! Camille is the winner of the 2025 New Phytologist Tansley Medal for excellence in plant science.
www.newphytologist.org/news/new-phy...
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New Phytologist Tansley Medal 2025 winner: Camille S. Delavaux
We are delighted to announce that the 2025 New Phytologist Tansley Medal for excellence in plant science has been awarded to Camille S. Delavaux.
https://www.newphytologist.org/news/new-phytologist-tansley-medal-2025
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Work led by
@pbentz.bsky.social
shows that two of eight dispersals of Asparagus out of Southern Africa were associated with shifts to dioecy and independently evolved XY sex determination systems.
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5 days ago
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Jim Leebens-Mack
Seth Bordenstein
about 1 month ago
📢 JOB OPPORTUNITY We are hiring a Research Technologist (Advanced Professional) to design, implement, support, analyze, and report on rigorous research in genetics, entomology, and host-microbe interactions. Please consider and share with others in need.
psu.wd1.myworkdayjobs.com/PSU_Staff/jo...
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Research Technologist - Life Sciences Advance Professional - Bordenstein Lab
APPLICATION INSTRUCTIONS: CURRENT PENN STATE EMPLOYEE (faculty, staff, technical service, or student), please login to Workday to complete the internal application process. Please do not apply here, a...
https://psu.wd1.myworkdayjobs.com/PSU_Staff/job/Penn-State-University-Park/Research-Technologist---Life-Sciences-Advance-Professional---Bordenstein-Lab_REQ_0000074535-1
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Jim Leebens-Mack
John Lovell
2 months ago
The January issue of New Phytologist is online now, featuring on the cover
@roseamarks.bsky.social
’s article on the physiology and genomics of the resurrection plant, Myrothanus flabellifolia.
doi.org/10.1111/nph....
(I’m posting here for Dr. Marks, who is currently doing field work off the grid)
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The architecture of resilience: a genome assembly of Myrothamnus flabellifolia sheds light on desiccation tolerance and sex determination
Myrothamnus flabellifolia is a dioecious resurrection plant endemic to southern Africa that has become an important model for understanding desiccation tolerance. Despite its ecological and medicina...
https://doi.org/10.1111/nph.70700
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Jim Leebens-Mack
Jeremy Yoder says no war
3 months ago
My department at California State University Northridge is hiring! We're looking for a new colleague studying microbiology or molecular/cellular biology. I'm not on the search committee, but happy to answer questions about the department and campus, and life in LA
buff.ly/Pc1KOaC
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Career Opportunities
Applicant Log-In
https://careers.pageuppeople.com/873/nr/en-us/job/553421/assistant-professor-of-microbiology-or-molecular-and-cellular-biology-2616
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Jim Leebens-Mack
Jae Young Choi
3 months ago
I am looking to hire a postdoc interested in combining genetics and evolution to understand why telomeres vary so much in plants. My group has been developing Mimulus a genetic model for studying plant telomeres and we have really cool research brewing. Please check ad for detail. Deadline is 12/31.
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Jim Leebens-Mack
🧬Jacob L Steenwyk
3 months ago
Today is the last day to register! Please consider doing so - it is going to be a fun one! Register here:
evomics.org/apply-worksh...
bsky.app/profile/jlst...
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Jim Leebens-Mack
Mariana Silva Artur
3 months ago
Absolutely happy to share our latest publication!🥳🎉 The first manuscript of the first PhD candidate of my team! 🥹🤩 Huge congratulations to our brilliant Asif Ahmed Sami for his excellent work! ✨️
academic.oup.com/plcell/artic...
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The phylotranscriptomic profile of angiosperm seed development follows a reverse hourglass pattern
Angiosperm seed development exhibits a reverse phylotranscriptomic pattern, with early and late stages showing greater conservation and mid-phase showing h
https://academic.oup.com/plcell/article/doi/10.1093/plcell/koaf266/8321985
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Chazz Jordan's phylogenomic analysis of cone flowers (Echinacea) just published! -
doi.org/10.3389/fpls...
. Chazz's findings suggests rapid diversification in the genus as ancestral populations dispersed from southeastern North America into the midwest.
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Frontiers | Utilizing target capture sequencing to resolve the speciation history of Echinacea (Asteraceae)
It has been difficult to resolve relationships among many important lineages within the Asteraceae family due to interspecific hybridization and rapid specie...
https://doi.org/10.3389/fpls.2025.1602041
5 months ago
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Analyses of a new genomes for garden asparagus and a Mediterranean basin congener reveal independent origins of dioecy and XY sex chromosomes. The work led by Phil Bentz
@pbentz.bsky.social
finds no overlap in the two Y-linked sex-determination genes -
www.biorxiv.org/content/10.1...
.
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Two independent origins of XY sex chromosomes in Asparagus
The relatively young and repeated evolutionary origins of dioecy (separate sexes) in flowering plants enable investigation of molecular dynamics occurring at the earliest stages of sex chromosome evol...
https://www.biorxiv.org/content/10.1101/2025.09.05.674532v1
5 months ago
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Jim Leebens-Mack
Julian Catchen
6 months ago
Our EEB department at the University of Illinois at Urbana-Champaign is hiring an assistant professor in evo-devo. See
go.illinois.edu/EEBAsstProf
for details. Please share!
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Jim Leebens-Mack
Journal of Ecology
6 months ago
🌾The Functional traits in primary producers: recent advances and future directions special feature is open for proposals!🍄 🌲Proposal submissions close 15 September, more details here:
buff.ly/e8PTkMM
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Jim Leebens-Mack
Chris Martine | Plants are Cool, Too!
6 months ago
#iamabotanist
#herbarium
#botany2025
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Jim Leebens-Mack
Chris Martine | Plants are Cool, Too!
6 months ago
#iamabotanist
#herbarium
#botany2025
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Jim Leebens-Mack
Axel Visel
6 months ago
On the cover of
@natplants.nature.com
this month:
@leobaumgart.bsky.social
@greensi.bsky.social
@abmora.bsky.social
@omalley-regulome.bsky.social
et al. map binding sites for 360 TFs across 10 🌿plant🌿 species using a new multiDAP approach Here is Sharon's explainer 🧵:
bsky.app/profile/gree...
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Awesome research with implications for understanding of transitions between CAM and C3 modes of photosynthesis in yaccas agaves and their relatives!
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6 months ago
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Jim Leebens-Mack
Lauren Frankel
6 months ago
hi friends, let me know if you'd like a zoom link for my defense next week!
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Jim Leebens-Mack
Brittany Sutherland
6 months ago
I love this trend in polyploid research: “With new data and techniques, we can finally tackle this horribly complicated group!” “And guess what? It’s even worse than we imagined!” But seriously, excellent work!
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Jim Leebens-Mack
Jeffrey Ross-Ibarra
6 months ago
Day 3 of popgen we talked about effective population size. No, I don't really understand it. You probably don't either. But I highly recommend this fantastic guide about how to think about Ne
onlinelibrary.wiley.com/doi/10.1111/...
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The Idiot's Guide to Effective Population Size
This is a reference manual for the elegant, yet hideously complex concept of effective population size (Ne), inspired by a classic, self-published manual of automotive repair ‘for the compleat idiot’...
https://onlinelibrary.wiley.com/doi/10.1111/mec.17670
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Jim Leebens-Mack
Oregon State University Botany and Plant Pathology
7 months ago
The Department of Botany and Plant Pathology at Oregon State University is Hiring! We are searching for a Director of the Oregon State University Herbarium and applications are welcomed at the ranks of assistant, associate, or full professor.
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Jim Leebens-Mack
Jacquelyn Gill
7 months ago
Are you an early-career biologist or ecologist who would benefit from an invited seminar? Would you like to come to UMaine next fall or spring to give a talk? Leave a brief comment with some info about what you do. I'm co-hosting our seminar series again, and am filling out our rosters.
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Jim Leebens-Mack
Christopher Dick
8 months ago
Herbarium director position opening at Oregon State University @osu-herbarium.bsky.social Great opportunity for herbarium- and field-trained botanists at any rank.
bpp.oregonstate.edu/bpp/about/op...
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Open Positions
https://bpp.oregonstate.edu/bpp/about/open-positions
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Jim Leebens-Mack
Karen James
8 months ago
Come be my colleague (&
@jacquelyngill.bsky.social
's and other great folks)! UMaine is hiring a Genetics Facilities Manager to lead the CORE eDNA and DNA Sequencing Labs. Hiring range is $75-85k (up $20k from previous round)
fa-ewca-saasfaprod1.fa.ocs.oraclecloud.com/hcmUI/Candid...
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Genetics Facilities Manager
The University of Maine is a community of more than 11,900 undergraduate and graduate students, and 2,500 employees located on the Orono campus, the regional campus in Machias, and throughout the stat...
https://fa-ewca-saasfaprod1.fa.ocs.oraclecloud.com/hcmUI/CandidateExperience/en/sites/CX_1/job/1612/?utm_medium=jobshare&utm_source=External+Job+Share
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Jim Leebens-Mack
Dario Cantù
8 months ago
Some months later, work is now published
@natcomms.nature.com
www.nature.com/articles/s41...
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Jim Leebens-Mack
Barbara Thiers
8 months ago
The Biodiversity Collections Task Force is a nascent effort to help collections through anticipated difficult times in the near future. We are planning a webinar series, beginning in September 2025. Let us know which topics would be most useful to you:
lnkd.in/gQmyMKmN
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Let congress know that pro-growth = pro-science!
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8 months ago
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Jim Leebens-Mack
Leslie Rissler
8 months ago
Another day testing the limits of resilience. The Alexandria NSF building was designed for the NSF merit review process (gold standard), complete with a floor devoted to panels. Now we aren’t allowed to have in person panels. The loss of US science leadership will haunt this country for decades.
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‘This is bull——”: National Science Foundation employees protest HUD's takeover
Dozens of National Science Foundation employees crowded the agency’s headquarters in Alexandria, Virginia, Wednesday to protest the news that the Department of Housing and Urban Development, or HUD, w...
https://www.nbcwashington.com/news/local/northern-virginia/this-is-bull-national-science-foundation-employees-protest-huds-takeover/3944316/?utm_medium=share&_branch_referrer=H4sIAAAAAAAAA8soKSkottLXz0tKLk8szsjMSy%2FJz9NLLCjQy8nMy9b3dS7y9TZKDygNTbKvK0pNSy0qAiqJTyrKLy9OLbL1zU%2FKzElVNTIITkxLLMoEAH8eKw1NAAAA&_branch_match_id=1400538000259576640
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Jim Leebens-Mack
Botanical Society of America
8 months ago
Check out this interview with BSA member and BSA Director at Large for Diversity, Equity, and Inclusion, Karolina Heyduk!
botany.one/2025/06/karo...
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Karolina Heyduk: A Career Shaped by Desert Plants and Midnight Photosynthesis
Botany One interviews Dr Karolina Heyduk, a plant evolutionary biologist interested in the origins a unique type of photosynthesis.
https://botany.one/2025/06/karolina-heyduk-a-career-shaped-by-desert-plants-and-midnight-photosynthesis/?utm_source=BotanyOne&utm_medium=email&utm_campaign=the-week-in-botany-june-16-2025
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Jim Leebens-Mack
Joint Genome Institute
9 months ago
The
#OpenGreenGenomes
Project, supported through our
#CommunityScience
Program, represents 35 major evolutionary plant lineages — including M. polymorpha, or liverwort. For decades it has been used as a model for evolutionary studies. 🖥️🧬🌱
@jleebensmack.bsky.social
@maximebonhomme.bsky.social
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Marchantia Pangenome Highlights Adaptive Nature of Plant Lineages | Joint Genome Institute
Understanding the shared genetic toolkit of ancestral and present-day plants
https://jgi.doe.gov/user-science/science-stories/marchantia-pangenome-highlights-adaptive-nature-plant-lineages
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Jim Leebens-Mack
Charlotte Gommers
9 months ago
Very happy to see this review by
@elizavveen.bsky.social
, Jesse Küpers and myself now out in Plant Cell & Environment! About how stresses impact chloroplasts, and how this can steer plant development via retrograde signaling 🌱
@pph-wur.bsky.social
onlinelibrary.wiley.com/doi/10.1111/pce.15664
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Plastids in a Pinch: Coordinating Stress and Developmental Responses Through Retrograde Signalling
Plastids can sense environmental stress and improve whole plant adaptation through retrograde communication to the nucleus. Recent studies have advanced our understanding of integrated canonical and ...
https://onlinelibrary.wiley.com/doi/10.1111/pce.15664
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Call your congressional representatives and Senators!
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9 months ago
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Jim Leebens-Mack
Joshua Weitz
9 months ago
How bad will it be? Catastrophic. Proposed cuts to
#NSF
,
#NIH
, and
#NASA
will set the US R&D landscape back 25 yrs+, cause economic and job loss now, and undermine innovations to come. But, this is the WH's *proposed* budget. Speak up now before it is too late. (inflation adjusted $-s below)
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Jim Leebens-Mack
Dr. David Miller 🏳️🌈
9 months ago
9/ 🚨🚨🚨 CALL TO ACTION Call your elective representatives to tell them how these draconian cuts will directly harm (as applicable): your state your local communities your trainees yourself See the
#SaveNSF
website for some inspiration:
www.savensf.com/take-action
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Jim Leebens-Mack
Dr. David Miller 🏳️🌈
9 months ago
🚨🚨 Friday night news drop from National Science Foundation!! 🧪 NSF just released its detailed budget request for next year:
nsf-gov-resources.nsf.gov/files/00-NSF...
We knew it was going to be bad...and it lives up. Guts direct NSF support for a **quarter million people** 🧵 on some highlights...
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Jim Leebens-Mack
Prosanta Chakrabarty
9 months ago
More details coming soon, but mark your calendars ... Breakout meeting for
@systbiol.bsky.social
The Society of Systematic Biologists - will be Jan 9-11 in Baton Rouge! Topic is 'The Importance of Natural History Collections'
@jembrown.bsky.social
is primary host/organizer
ssb2026.github.io
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Jim Leebens-Mack
American Society of Plant Biologists
9 months ago
⏰ASPB Member Opportunity: Early Career Representative Application closing soon!🌱 Learn more and apply by June 1!👉https://ecr.secure-platform.com/a
#PlantScience
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jessamine finch
9 months ago
🚨 Lady Bird Johnson Wildflower Center (Austin, TX) is looking for a Director of Gardens and Collections 🏵️ 👩🌾 Required 5+ years of garden leadership & team mgmt, 👩🎓 Bachelor’s in horticulture, ecology, landscape architecture or related 💸 $85k+
#horticulturejobs
#publicgardenjobs
#nativeplantjobs
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Summer fun!
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9 months ago
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Come join the vibrant plant biology research community at
@universityofga.bsky.social
#UGAPlantCenter
-
plantcenter.uga.edu
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9 months ago
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Jim Leebens-Mack
Holly Bik
9 months ago
Just commented here too - can be anonymous, and standing up for NSF/NIH takes less time than standing in line at the grocery store checkout!!
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Jim Leebens-Mack
Gregor Mendel Institute of Molecular Plant Biology
10 months ago
If you’re a scientist who values strong institutional support, join us! The GMI is currently hiring new Group Leader positions, including a Junior Group Leader to lead an independent research group addressing fundamental questions in molecular plant biology. Links below.
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Jim Leebens-Mack
Stand Up for Science!
10 months ago
HAPPY 75th, NSF! We’re celebrating this milestone by highlighting some of NSF’s most transformative accomplishments—innovations that have shaped our world and continue to drive progress in health, technology, the environment, and beyond. Read on 🧵(1/11):
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Exclusive: NSF faces radical shake-up as officials abolish its 37 divisions | Science | AAAS
www.science.org/content/arti...
10 months ago
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Jim Leebens-Mack
Albert Vilella, PhD.
10 months ago
A piece in this issue of Nature by Michael S. Lubell "Cuts to US science will take a generation to repair — leaders must speak up now"
www.nature.com/articles/d41...
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Cuts to US science will take a generation to repair — leaders must speak up now
There’s no mystery to innovation and economic growth; the US must nurture its scientists or find out the hard way.
https://www.nature.com/articles/d41586-025-01348-w
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Jim Leebens-Mack
Mary Williams @PlantTeaching
10 months ago
Check out this initiative led by the student-run organization Cornell Advancing Science and Policy Club! They are asking scientists to contribute to a letter-writing campaign about the impacts of funding cuts. (And they hosted a great "how to write an OpEd" webinar yesterday!)
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Jim Leebens-Mack
500 Women Scientists
10 months ago
AAU, APLU, ACE & 13 universities filed a lawsuit contesting the cutting of overhead cap on NSF grants
#resist
www.aau.edu/key-issues/l...
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Jim Leebens-Mack
Dr. K. Lotterhos
10 months ago
If you are a person who cares about the future of science in the US, please take actions this week to
#SaveNSF
.
@asn-amnat.bsky.social
@sse-evolution.bsky.social
@systbiol.bsky.social
are leading a week of action - here is a Media Support Tool from the societies
docs.google.com/document/d/1...
🧪🧑🔬🧬🖥️🦑
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Jim Leebens-Mack
Jeremy Yoder says no war
10 months ago
#WithoutNSF
I wouldn't be a scientist. NSF grants funded my undergrad research experiences, graduate and postdoctoral projects, and years of work in my own lab. The funding freezes and cuts we're seeing mean my students probably won't have similar opportunities
lancasteronline.com/opinion/colu...
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Jim Leebens-Mack
Joshua Weitz
10 months ago
NSF celebrates its 75th anniversary on May 10th. The best way we can celebrate decades of innovation and service is to let NSF remain an *independent* science agency at the forefront of global discovery.
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