📣 #JobAlert The @biologyunifreiburg.bsky.social of @uni-freiburg.de invites applications for a position as Head of the Life Imaging Center (LIC) – the core facility for light microscopy. ❗ Application Deadline: 6 September, 2026 🔗 kurzlinks.de/2126 #Biology #LightMicroscopy #Imaging

Happy to finally see this out in a peer-reviewed form 🧬🌱 Congrats to everyone who contributed! www.nature.com/articles/s41...

The dual trxG/PcG protein ULTRAPETALA1 modulates H3K27me3 and directly enhances POLYCOMB REPRESSIVE COMPLEX 2 activity for fine-tuned reproductive transitions - Nature Plants

This study reports a bivalent factor, ULTRAPETALA1, that can counteract as well as promote PRC2 activity at hundreds of developmental genes in Arabidopsis thaliana. The pro-PRC2 activity of ULTRAPETAL...

nature.com

New Article: "The dual trxG/PcG protein ULTRAPETALA1 modulates H3K27me3 and directly enhances POLYCOMB REPRESSIVE COMPLEX 2 activity for fine-tuned reproductive transitions" rdcu.be/fxOEJ With News&Views: "ULTRA(PETALA)-boosted plant Polycomb" rdcu.be/fxOET #PlantScience

www.nature.com/articles/s41... It's been a long time coming, but delighted to say that the first major output from my Royal Society Fellowship is now published. 🙂 #PlantScience

The post-fertilization archegonium gene network of seedless plants contributed to the origin of seeds - Nature Communications

The authors identify conserved gene networks across fern and angiosperm reproductive development, including between the sporophyte ovule and the fern gametophyte egg-chamber. Repurposing of this netwo...

nature.com

On August 1, 1931, Harriet Creighton and Barbara McClintock published the first experimental proof that genes are physically located on chromosomes—a discovery that transformed genetics. 1/3🧵

Happy and proud to see this story published: www.nature.com/articles/s41...

When the climate shifts faster than our food systems can respond, everyone will feel the impact. www.theguardian.com/environment/...

‘It’s too fast, too big’: speed of climate crisis is devastating crops, say farmers

Drought and extreme heat are killing plants, driving up prices while also making some farms economically unviable

theguardian.com

A conserved role of EIN3 in the development of rooting structures in land plants (Dongdong Kong , Jie Meng , Yidong Wang , Jiao Liu , Wenxiu Cui , Legong Li , Chuanli Ju) doi.org/10.1093/plph... #PlantScience @aspbofficial

A conserved role of EIN3 in the development of rooting structures in land plants

The ethylene signaling transcription factor EIN3 regulates rooting structure development in a conserved manner in land plants.

doi.org

The small protein SbtC is a functional component of the CO2 concentrating mechanism in Synechocystis sp. PCC 6803 (Peter Walke , Carolin Poppitz , Niklas Menz , Wolfgang R Hess , Robert Burnap , Martin Hagemann , Stephan Klähn) doi.org/10.1093/plph... #PlantScience @aspbofficial

The small protein SbtC is a functional component of the CO2 concentrating mechanism in Synechocystis sp. PCC 6803

Abstract. Oxygenic phototrophs fix CO2 via the enzyme ribulose-1,5-bisphosphate carboxylase/oxygenase (RubisCO), which shows relatively low CO2 affinity an

doi.org

🌱 Plant roots decide which way to grow much earlier than expected. #CIBSS researchers revealed how the SGR9 protein helps young lateral roots sense gravity & set their growth angle at a surprisingly early phase of development. 🔗 kurzlinks.de/yi3a #PlantScience #RootArchitecture

#PlantSci Review: Anthocyanins and betalains in evolution: Why mutual exclusion remains the best-supported model – contrary to recently published reports By @bpucker.bsky.social and MI Khan Read more #OpenAccess in our Journal #PlantBiology @Wileyplantsci DOI: doi.org/10.1111/plb....

Anthocyanins and betalains in evolution: Why mutual exclusion remains the best‐supported model

Anthocyanins and betalains are plant pigments produced through different biosynthetic pathways and are generally considered mutually exclusive. We examine claims of their co-occurrence, arguing that ...

doi.org

📣 We are now accepting applications to join the Plant Physiology Assistant Features Editor (AFE) program. These are two-year appointments, starting either in January 2027 or 2028. 👉 Learn more and apply now: blog.aspb.org/plantphys_af.... #PlantSci #PlantScience

RNA-seq tells us how much RNA is present in the cell. But to understand gene regulation, we need to easily measure the synthesis and decay rates driving this abundance. We introduce AIR-seq: analog intrinsic recoding sequencing. (1/6) www.biorxiv.org/content/10.6...

Analog intrinsic recoding measures RNA dynamics without chemical conversion

Steady-state RNA abundance measurements mask the synthesis and decay rates that shape gene expression. Analog intrinsic recoding sequencing (AIR-seq) repurposes the base-pairing properties of N4-hydro...

biorxiv.org

Avocados come in 2 varieties - A-types start each day female and switch to male midday. B-types do the reverse. In work just published from the last chapter of my PhD, we show this system evolved 40+million yrs ago and is regulated by alleles of 1 transcription factor www.pnas.org/doi/10.1073/...

Balanced polymorphism in a floral transcription factor underlies the ancient rhythm of daily sex alternation in avocado | PNAS

In avocado and certain wild relatives in Lauraceae, a highly synchronized daily rhythm of floral sex timing promotes cross-pollination between two ...

pnas.org

In memory of Professor Tamara Vasilievna Chirkova (1932 -2026). She pioneered research on plant adaptation to oxygen deficiency and laid a robust foundation for the advancements we witness today. #plantscience sites.google.com/ucr.edu/ispl...

New preprint: In collaboration with @yorgsvicen.bsky.social we show metacaspase9 and ATE N-degron pathway-dependent proteoform stability act to diversify UBP6 function during plant immunity www.biorxiv.org/content/10.6...

Functional diversification of UBP6 in plant immunity through N‑degron pathway regulation

Deubiquitylases are key proteolytic regulators of ubiquitin-dependent cellular processes, catalyzing the removal or remodelling of ubiquitin modifications on substrate proteins, including those target...

biorxiv.org

Our new preprint shows that metacaspase-mediated proteoform generation and N-degron pathway-dependent proteoform stability act together to diversify UBP6 function during Arabidopsis immunity www.biorxiv.org/content/10.6...

Functional diversification of UBP6 in plant immunity through N‑degron pathway regulation

Deubiquitylases are key proteolytic regulators of ubiquitin-dependent cellular processes, catalyzing the removal or remodelling of ubiquitin modifications on substrate proteins, including those target...

biorxiv.org

🌿 EXPERT VIEW 🌿 Peat moss farming can contribute to climate protection 🌍 Parsons et al. review state of the art research with a focus on Sphagnum biomass gain in photobioreactors 🧪🔬 🔗 doi.org/10.1093/jxb/... #PlantScience Ralf Reski

Delighted to share our paper on neo-chromosomes! We induced centromere fission using CRISPR in Arabidopsis and increased the chromosome count from n=5 to n=6. The broken chromosomes ends quickly “healed” by adding telomeres de novo and the new karyotype is stable through mitosis and meiosis! 1/3

Ian Henderson@hendersi.bsky.social · 2w ago

CRISPR-mediated centromere fission generates neochromosomes with distorted meiotic inheritance in Arabidopsis biorxiv.org/content/10.6... new preprint from us - includes changing the Arabidopsis karyotype from 5 -> 6 chromosomes using Cas9 & outcomes of 5/6 chromosome hybrid meiosis

We're over 200 km east from there and still covered in the smokey clouds, giving a sense of the magnitude 😔

Auke-Florian 🪹@aukeflorian.nl · 2w ago

Welcome to the Anthropocene 🔥

Welcome to the Anthropocene 🔥

Plant movements: navigating the light environment (Sanne E A Matton , Lisa Oskam , Ronald Pierik) doi.org/10.1093/plph... #PlantScience @aspbofficial

Plant movements: navigating the light environment

Abstract. Plants use light both as a resource for photosynthesis and as a signal about their environment. In response to light cues, plants can move their

doi.org

Online at @cellcellpress.bsky.social today: everything you always wanted (???) to know about Auxin Signaling and never dared to ask. From Jiashu, Aaron and Martijn in our team, with @luciastrader.bsky.social and Tongda Xu www.sciencedirect.com/science/arti...

🔬🌱🚀9 Universitäten, 99 Projekte und EIN Ziel: die #postfossileZukunft. Gemeinsam zeigen die neun Landesuniversitäten Baden-Württembergs, wie Forschung dazu beiträgt, die Abhängigkeit von fossilen Rohstoffen und Energieträgern zu überwinden: www.lrk-bw.de/99projekte/

RNA rules: Guanidine fuels rapid resurrection of desert cyanobacteria, controlled by a guanidine-specific riboswitch: www.pnas.org/doi/10.1073/...

Guanidine fuels rapid resurrection of desert cyanobacteria | PNAS

In desert ecosystems, microbial activity is driven by brief hydration pulses but is severely limited by persistent nutrient scarcity. Cyanobacteria...

pnas.org

Proud of @sophiezoe.bsky.social for her latest paper, highlighting how an early developmental time window shapes initial growth direction of lateral roots. Thank you for having me on board and for being the best supervisor I could have wished for! www.pnas.org/doi/10.1073/...

Excited to share our latest publication! 🎉 Here @sophiezoe.bsky.social reveals an early developmental time window determining initial growth direction of lateral roots. Wonderful collaboration with @wabniklab.bsky.social and @matesf.bsky.social lab www.pnas.org/doi/10.1073/... @cibss.bsky.social

SHOOT GRAVITROPISM 9 links sensory timing to the initial lateral root growth angle | PNAS

Plants strategically respond to gravity and actively set defined growth angles. These gravitropic set-point angles (GSAs) shape the width and depth...

pnas.org

Please share! 🌱🤖 Permanent W2 Professorship in crop & plant sciences @ PhenoRob, University of Bonn. Especially encouraged: crop genome engineering, sustainable pest control, or sustainable disease control. Expertise in one area is enough. Apply by Sept. 30, 2026. www.uni-bonn.de/en/universit...

Enjoying a glass of wine from #PEM2026 as a reminder of a fantastic conference! Huge thanks again to the organizers for the invitation and the warm welcome. It was a pleasure engaging with the community and having so many inspiring conversations (as always). Thank you and see you in 2 years!🍷😍

Gestern Dreh, heute online. Ein kurzer Bericht über unsere Arbeit hier in Freiburg im Rahmen des @ensa-research.bsky.social Projekts und in Kooperation mit @cibss.bsky.social. Danke an @henrietteruebsam.bsky.social und das ganze Team für die Koordination und Mithilfe. www.swr.de/swraktuell/b...

Weniger Erdgas und CO2: Wissenschaftler forschen an Bakterien-Pflanzen-Symbiosen

Kunstdünger braucht viel Erdgas und schadet Klima und Gewässern. Forschende in Freiburg wollen, dass Nutzpflanzen sich mithilfe von Bakterien selbst mit Stickstoff versorgen.

swr.de