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Sebastian Soyk

@sebastiansoyk

Developmental geneticist working on stem cells and plant architecture at the University of Lausanne

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10.02.2024
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Latest posts by Sebastian Soyk @sebastiansoyk

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Registration for the 13th PhD School on Plant Development is open! ๐ŸŒพ ๐Ÿ”ฌ ๐ŸŒบ ๐Ÿงฌ ๐ŸŒต ๐Ÿงช

Deadline: June 30, 2026
Link to registration form forms.gle/tbmUxaw2vmEn...
Cost: โ‚ฌ350.- (incl. board, lodging and social event)
For details re payment and abstracts see form or homepage raissiglab.org/plantdevosch...

10.03.2026 15:20 ๐Ÿ‘ 38 ๐Ÿ” 40 ๐Ÿ’ฌ 2 ๐Ÿ“Œ 0
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ERC-funded PhD position: auxin in plant morphogenesis!

Come to our team to study molecular mechanisms downstream of auxin signaling that control morphogenesis in plants! ueb.cas.cz/en/news/?id=...

10.03.2026 12:19 ๐Ÿ‘ 27 ๐Ÿ” 25 ๐Ÿ’ฌ 0 ๐Ÿ“Œ 2
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๐ŸšจJob Alert โ€“ Please RT!
Weโ€™re looking for bright minds to join our community!
We are looking for 12 postdocs and 7 PhD students!
Details on all projects and application: www.ceplas.eu/en/training-...
@leibnizipk.bsky.social @mpipz.bsky.social @hhu.de @fz-juelich.de @unicologne.bsky.social

18.02.2026 14:55 ๐Ÿ‘ 21 ๐Ÿ” 27 ๐Ÿ’ฌ 1 ๐Ÿ“Œ 2
PhD position - Co-regulation structures for large-scale single-cell transcriptomics - within the HDS-LEE graduate school The Bioinformatics Division of the Institute of Biological and Geosciences (IBG-4) processes and develops methods and algorithms to achieve a fundamental understanding of high-dimensional data and pro...

Are you interested in @ceplas.bsky.social single cell data and spatial transcriptomic data analysis and inference? Then apply for this PhD position in our graduate school HDS-LEE in my group co-supervised by Prof Assent. www.fz-juelich.de/en/careers/j.... For questions don't hesitate to contact me.

19.12.2025 08:48 ๐Ÿ‘ 11 ๐Ÿ” 11 ๐Ÿ’ฌ 0 ๐Ÿ“Œ 0
CEPLAS: Call 2026

CEPLAS starts a number of new projects, and we are looking for 12 Postdocs โ—
CEPLAS projects are always highly collaborative, that means postdocs working with us will always closely interact with several CEPLAS research groups. Find all postdoc openings here: www.ceplas.eu/en/training-...

18.02.2026 09:43 ๐Ÿ‘ 27 ๐Ÿ” 33 ๐Ÿ’ฌ 0 ๐Ÿ“Œ 2

Just in time for Karneval, we present coelsch ! ๐ŸŽญ๐Ÿฅณ

A platform-agnostic framework for single-cell recombination analysis. We study crossover variation in mutants & natural lines, identifying the largest natural inversion in A. thaliana to date!

๐Ÿ“„ doi.org/10.64898/202...
๐Ÿฑ github.com/schneeberger...

05.02.2026 12:21 ๐Ÿ‘ 7 ๐Ÿ” 5 ๐Ÿ’ฌ 1 ๐Ÿ“Œ 1
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A negative feedback loop between TERMINAL FLOWER1 and LEAFY protects inflorescence indeterminacy Inflorescences of flowering plants adopt diverse genetically programmed and environmentally tuned architectures. By contrast, continued maintenance of the stem-cell pool within the apical meristem is ...

Out First Release in @science.org this week:
A feedback loop allows two shoot stem cell populations to respond differently to environmental conditions: www.science.org/doi/10.1126/...

#plantscience

23.01.2026 13:03 ๐Ÿ‘ 50 ๐Ÿ” 25 ๐Ÿ’ฌ 0 ๐Ÿ“Œ 1
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Creating a new oilseed crop, pennycress, by combining key domestication traits using CRISPR genome editing - Nature Plants De novo domestication was performed on the brassica Thlaspi arvense (pennycress) by identifying and stacking CRISPR-induced mutations to create a new intermediate oilseed crop that can be grown in the...

Rational improvement of pennycress using CRISPR.
#PlantScience

From: www.nature.com/articles/s41...

24.01.2026 14:03 ๐Ÿ‘ 24 ๐Ÿ” 13 ๐Ÿ’ฌ 1 ๐Ÿ“Œ 2
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.

18.01.2026 02:00 ๐Ÿ‘ 1870 ๐Ÿ” 857 ๐Ÿ’ฌ 70 ๐Ÿ“Œ 67
Four Images: A scientist in a lab looking at a pipetting robot, a greenhouse with lots of pots containing plants, a scientist with drones and other euipment in a field, and a tractor driver with lots of high-tech equipment in the cockpit.
The text is: TalentCampus@KWS
May 29, 2026
A look behind the scenes:
All KWS research and
development departments
open their doors

Four Images: A scientist in a lab looking at a pipetting robot, a greenhouse with lots of pots containing plants, a scientist with drones and other euipment in a field, and a tractor driver with lots of high-tech equipment in the cockpit. The text is: TalentCampus@KWS May 29, 2026 A look behind the scenes: All KWS research and development departments open their doors

The headline and text says:
May 29, 2026 in Einbeck, 11 a.m. - 5 p.m.
Seeding the future โ€“ breeding
combines sciences and talents
The image is a wheel showing all the R&D contributions to plant breeding, incl. Molecular Biology Experimental Fields
Cell Biology
Breeding
Phytopathology
Chemical Analytics
Greenhouse
Phenotyping
Digitalization

The headline and text says: May 29, 2026 in Einbeck, 11 a.m. - 5 p.m. Seeding the future โ€“ breeding combines sciences and talents The image is a wheel showing all the R&D contributions to plant breeding, incl. Molecular Biology Experimental Fields Cell Biology Breeding Phytopathology Chemical Analytics Greenhouse Phenotyping Digitalization

Highlights of the program
Information stands
Breeders of our main crops explain their work
From sowing to harvesting: all the special machines of a breeding station
Digital tools for field trialing
Root phenotyping: how roots grow in the soil
Phenotyping with drones: multispectral from a bird's eye view
Phytopathology: insects, fungi, nematodes and other pathogens
Chemical Analytics and process analysis
Catch crops - concepts for agriculture, soil health, CO2 balance
Biological seed treatment
Breeding technologies โ€“ data and genomics specialists support breeding
Genome Editing: new breeding technologies and their application at KWS
Regulatory Affairs: paving the way to approval
From lab to market: how KWS protects intellectual property
Marker lab: examine the DNA
The art of engineering for seed production
Career opportunities at KWS
Hands-on activities
The start of a new generation of varieties: crossing plants by hand
Tissue culture: placing plant parts on a special diet in vitro
Leaf harvest for the marker lab
Live view of root growth: navigate a camera through the soil

Highlights of the program Information stands Breeders of our main crops explain their work From sowing to harvesting: all the special machines of a breeding station Digital tools for field trialing Root phenotyping: how roots grow in the soil Phenotyping with drones: multispectral from a bird's eye view Phytopathology: insects, fungi, nematodes and other pathogens Chemical Analytics and process analysis Catch crops - concepts for agriculture, soil health, CO2 balance Biological seed treatment Breeding technologies โ€“ data and genomics specialists support breeding Genome Editing: new breeding technologies and their application at KWS Regulatory Affairs: paving the way to approval From lab to market: how KWS protects intellectual property Marker lab: examine the DNA The art of engineering for seed production Career opportunities at KWS Hands-on activities The start of a new generation of varieties: crossing plants by hand Tissue culture: placing plant parts on a special diet in vitro Leaf harvest for the marker lab Live view of root growth: navigate a camera through the soil

If you're interested in #PlantScience R&D work at a plant breeding company: @kwsgroup.bsky.social is hosting its annual R&D TalentCampus here in Einbeck on May 29th.

More info here:
www.kws.com/corp/en/care...

13.01.2026 09:35 ๐Ÿ‘ 30 ๐Ÿ” 31 ๐Ÿ’ฌ 0 ๐Ÿ“Œ 0
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Imputation integrates single-cell and spatial gene expression data to resolve transcriptional networks in barley shoot meristem development - Nature Plants Spatially resolved gene expression during barley development was done by integrating an scRNA-seq dataset from cells with unknown position with spatial transcriptomics. This dataset is publicly availa...

It's finally out!...
Using single-cell and spatial transcriptome data, and data imputation, we created BARVISTA, a website able to perform almost genome-wide information on gene expression profiles at single-cell resolution in barley spikes!
www.nature.com/articles/s41...

08.01.2026 10:09 ๐Ÿ‘ 44 ๐Ÿ” 21 ๐Ÿ’ฌ 2 ๐Ÿ“Œ 1
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โ€žGroรŸartige Ermรถglichungs- und Ermutigungspreiseโ€œ: Jan Lohmann erhielt den Lautenschlรคger-Forschungspreis fรผr Spitzenforscher โ€“ Als herausragender Wissenschaftler in einer frรผhen ... www.uni-heidelberg.de/de/newsroom/...
#universitรคt #heidelberg #uniheidelberg #forschung #preis #biologie #medizin

08.12.2025 16:21 ๐Ÿ‘ 14 ๐Ÿ” 4 ๐Ÿ’ฌ 1 ๐Ÿ“Œ 0
New genomic techniques: deal to support the green transition in farming | News | European Parliament The new rules will make the EU food system more secure and sustainable, with climate- and pest-resistant plants that give higher yields and require fewer fertilisers and pesticides.

The EU will #GiveGenesAChance! ๐Ÿ‡ช๐Ÿ‡บ๐Ÿ’š
www.europarl.europa.eu/news/en/pres...
#Trilogue #NGTs

04.12.2025 05:25 ๐Ÿ‘ 36 ๐Ÿ” 20 ๐Ÿ’ฌ 1 ๐Ÿ“Œ 0
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EU einigt sich auf Lockerungen fรผr gentechnisch verรคnderte Lebensmittel Fรผr viele gentechnisch verรคnderte Lebensmittel soll es kรผnftig keine Hinweispflicht mehr in Supermรคrkten geben. Darauf einigten sich Vertreter aus dem Europaparlament und dem Rat der EU-Lรคnder.

Finally! The European Union allows the use of genome editing! ๐ŸŒฑ๐ŸŒพ๐Ÿซ›๐Ÿ‡ช๐Ÿ‡บ๐Ÿงฌ

www.tagesschau.de/wirtschaft/v...

04.12.2025 04:17 ๐Ÿ‘ 51 ๐Ÿ” 18 ๐Ÿ’ฌ 2 ๐Ÿ“Œ 1
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EU einigt sich auf Lockerungen fรผr gentechnisch verรคnderte Lebensmittel Fรผr viele gentechnisch verรคnderte Lebensmittel soll es kรผnftig keine Hinweispflicht mehr in Supermรคrkten geben. Darauf einigten sich Vertreter aus dem Europaparlament und dem Rat der EU-Lรคnder.

Das ist etwas Gutes! Auch wenn viele wieder anderes berichten werden, aller Wissenschaft zum Trotz.
Falls ihr Fragen dazu habt, warum wir bei @oekoprog.bsky.social & @progagrarwende.bsky.social uns genau dafรผr seit lรคngerem einsetzen, haut sie jederzeit raus ๐Ÿ™Œ
www.tagesschau.de/wirtschaft/v...

04.12.2025 05:48 ๐Ÿ‘ 111 ๐Ÿ” 32 ๐Ÿ’ฌ 9 ๐Ÿ“Œ 3
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Helixer: ab initio prediction of primary eukaryotic gene models combining deep learning and a hidden Markov model - Nature Methods By leveraging both deep learning and hidden Markov models, Helixer achieves broad taxonomic coverage for ab initio gene annotation of eukaryotic genomes from fungi, plants, vertebrates and invertebrat...

AI model Helixer predicts eukaryotic genes ab initio, directly from a plain text FASTA file.

No RNA-seq.
No protein homology.
No repeats, hints, or curated evidence.

Raw genome โ†’ accurate gene models.
Deep learning + HMM, published in @natmethods.nature.com

www.nature.com/articles/s41...

26.11.2025 06:00 ๐Ÿ‘ 71 ๐Ÿ” 32 ๐Ÿ’ฌ 3 ๐Ÿ“Œ 2

Es stehen erscheinende Tage fรผr eine moderne, wissenschaftsbasierte Regulierung von Neuen Genomischen Techniken wie #CRISPR & Co. in der EU an.

Worum es geht und was damit zu erreichen ist, haben wir ๐Ÿ‘‡ nochmal zusammengefasst.
#GiveGenesAChance

26.11.2025 08:47 ๐Ÿ‘ 21 ๐Ÿ” 7 ๐Ÿ’ฌ 0 ๐Ÿ“Œ 0

Thanks @somssich.bsky.social for a truly fantastic lecture!

26.11.2025 11:15 ๐Ÿ‘ 10 ๐Ÿ” 4 ๐Ÿ’ฌ 0 ๐Ÿ“Œ 0

Very happy to share that this paper is now online on @currentbiology.bsky.social !! ๐Ÿฅณ๐Ÿงช Check out the final published verion here: www.cell.com/current-biol...
#mimuluspropaganda

24.11.2025 16:25 ๐Ÿ‘ 113 ๐Ÿ” 34 ๐Ÿ’ฌ 6 ๐Ÿ“Œ 1

Thrilled to be among the recipients of the SNSF Starting Grants! Congrats to all the incredible researchers funded this year. Canโ€™t wait to keep exploring how plants grow, sense, and respond to mechanical forces. Plants and biophysics rock!๐ŸŒฑโš›๏ธ

31.10.2025 22:57 ๐Ÿ‘ 39 ๐Ÿ” 11 ๐Ÿ’ฌ 9 ๐Ÿ“Œ 1
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New preprint from the lab on @biorxivpreprint.bsky.social! We show how SEPALLATA MADS-box genes in tomato functionally diverged to regulate inflorescence and floral organ development while maintaining redundant functions in conferring floral meristem identity.
www.biorxiv.org/content/10.1...

21.11.2025 08:30 ๐Ÿ‘ 14 ๐Ÿ” 4 ๐Ÿ’ฌ 0 ๐Ÿ“Œ 0
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CRISPR-Casโ€“mediated heritable chromosome fusions in Arabidopsis The genome of Arabidopsis thaliana consists of 10 chromosomes. By inducing CRISPR-Casโ€“mediated breaks at subcentromeric and subtelomeric sequences, we fused entire chromosome arms, obtaining two eight...

CRISPR-Casโ€“mediated heritable chromosome fusions in Arabidopsis | Science www.science.org/doi/10.1126/...
Very nice work from Holger Puchta & colleagues

20.11.2025 20:47 ๐Ÿ‘ 48 ๐Ÿ” 18 ๐Ÿ’ฌ 1 ๐Ÿ“Œ 2

๐Ÿงช Last chance! Registration for the #RigiWorkshop 2026 closes next week! Our guest speakers include @dudinlab.bsky.social, @michaelraissig.bsky.social, @annikaguse.bsky.social, @gautamdey.bsky.social & @jandevries.bsky.social. More details here ๐Ÿ‘‰ biol.scnat.ch/rigiworkshop26

08.10.2025 07:00 ๐Ÿ‘ 10 ๐Ÿ” 7 ๐Ÿ’ฌ 0 ๐Ÿ“Œ 1
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Our paper comparing stomata of the three annual Brachypodium species is out ๐ŸŒพ
bmcplantbiol.biomedcentral.com/articles/10....
A great collaborative effort between @lbmountain.bsky.social, & our friends at University of Silesia (Alexander Betekhtin and Anna Milewska-Hendel). Funded by @dfg.de and NAWA

10.10.2025 14:53 ๐Ÿ‘ 47 ๐Ÿ” 15 ๐Ÿ’ฌ 1 ๐Ÿ“Œ 0
A vinyl box with six colored vinyl LPs sticking out of its right side. The Title "Guns in Rosettes" is on top, with the subtitle "The Arabidopsis chemical weapons arsenal" just below. Then there is an Arabidopsis plant with machine guns sticking out. Below is the statement "6-LP LIMITED EDITION COLORED VINYL BOX SET"

A vinyl box with six colored vinyl LPs sticking out of its right side. The Title "Guns in Rosettes" is on top, with the subtitle "The Arabidopsis chemical weapons arsenal" just below. Then there is an Arabidopsis plant with machine guns sticking out. Below is the statement "6-LP LIMITED EDITION COLORED VINYL BOX SET"

The back cover of the vinyl box set showing the tracklist:
1. Methionine-derived compounds
    Aliphatic GSLs
2. Tryptophan-derived compounds (trptonites)
    Indolic GSLs
    Camalexin
    Hycanite (4-OH-ICN)
3. Phenylalanine-derived compounds (phenylpropanoids)
    Benzenic GSLs
    Coumarins
    Hydroxycinnamates
    Flavonoids
4. Terpenoids
    (E)-ฮฒ-caryophyllene
    ฮฑ- and ฮฒ-pinene
    Thalianin, arabidin, and DMNT

And the statement "Recorded live in front of an audience in 2025"

The back cover of the vinyl box set showing the tracklist: 1. Methionine-derived compounds Aliphatic GSLs 2. Tryptophan-derived compounds (trptonites) Indolic GSLs Camalexin Hycanite (4-OH-ICN) 3. Phenylalanine-derived compounds (phenylpropanoids) Benzenic GSLs Coumarins Hydroxycinnamates Flavonoids 4. Terpenoids (E)-ฮฒ-caryophyllene ฮฑ- and ฮฒ-pinene Thalianin, arabidin, and DMNT And the statement "Recorded live in front of an audience in 2025"

Our article "Guns in Rosettes: The Arabidopsis chemical weapons arsenal" is finally published @plantphys.bsky.social!
You can download the #OpenAccess PDF here:

doi.org/10.1093/plph...

But real connoisseurs of #AntimicrobialCompounds will want to get the vinyl boxset: #PlantScience #PlantImmunity

09.10.2025 07:58 ๐Ÿ‘ 65 ๐Ÿ” 28 ๐Ÿ’ฌ 4 ๐Ÿ“Œ 4
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Congrats, Joe Ecker @salkinstitute.bsky.social, to receiving the McClintock Prize! Joe has been a visionary leader of the field of genetics and genomics โ€“ not only for plants โ€“ for decades
www.salk.edu/news-release...

10.10.2025 17:34 ๐Ÿ‘ 128 ๐Ÿ” 38 ๐Ÿ’ฌ 0 ๐Ÿ“Œ 3

This discovery traces back to the spring of 2018, when I was a postdoc in nikogeldner.bsky.social 's lab. After shifting Arabidopsis seedlings from solid to liquid culture, I observed that the root commensal bacterium CHA0 rapidly colonized Casparian stripโ€“defective mutants.

08.10.2025 12:26 ๐Ÿ‘ 15 ๐Ÿ” 5 ๐Ÿ’ฌ 3 ๐Ÿ“Œ 0
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Game changer for cell-based plant genetics: the labs of Caixia Gao & Jin-Long Qiu have developed very efficient self-replicating vectors and they just published a very nice proof-of-concept paper.
#plantscience
www.science.org/doi/10.1126/...

07.10.2025 09:54 ๐Ÿ‘ 62 ๐Ÿ” 27 ๐Ÿ’ฌ 1 ๐Ÿ“Œ 0
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We are looking for a new colleague to work as a postdoctoral researcher on crop genomics and machine learning! The position is within our GenomeDesigner project (www.ru.nl/en/research/...). Feel free to be in touch or directly apply here: www.ru.nl/en/working-a... Please share!!!

03.10.2025 16:10 ๐Ÿ‘ 5 ๐Ÿ” 2 ๐Ÿ’ฌ 0 ๐Ÿ“Œ 0

Independent research fellowships leading to tenured positions at the John Innes Centre.

Repost = nice. Thank you very much!!!

03.10.2025 16:06 ๐Ÿ‘ 49 ๐Ÿ” 87 ๐Ÿ’ฌ 0 ๐Ÿ“Œ 4