Thomas WIDIEZ
🌾Plant biologist, plant reproduction, seeds, pollen, haploid induction, maize🌽. PI at lab @rdplab.bsky.social in ENS de lyon @ensdelyon.bsky.social / research director at @inrae-france.bsky.social
- Reposted by Thomas WIDIEZAhead of Clara Igisch’s PhD defense tomorrow, we enjoyed four excellent talks today in a 🌱 mini-symposium: @emmanuellebayer.bsky.social / @ottlab.bsky.social / @jennyrussinova.bsky.social & @structplantbio.bsky.social Great science, great stories!
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- Reposted by Thomas WIDIEZSave the date: Plant Development PhD school (i.e. Retzbach 2.0) in Neustadt, Germany. Sept 23rd-25th, 2026 ~€350 all inclusive Excellent speakers and a relaxed atmosphere for early-career researchers (PhDs & postdocs). Registration opens soon. For more info, see raissiglab.org/plantdevosch...
- Reposted by Thomas WIDIEZ🌟 Great seminar this week at RDP lab with Artemis Perraki ( @cnrsbiologie.bsky.social , @lrsv-toulouse.bsky.social) sharing her exciting science to understand how developmental and environmental pathways intersect during anther development 🌱
- Reposted by Thomas WIDIEZ🔥 Hot new preprint before the Christmas break 🎄 Egg cell fertilization–dependent peptide receptor signaling mediates endosperm polarity 📖 www.biorxiv.org/content/10.6... Audrey Creff, @jackrhodes.bsky.social , Cyril Zipfel, Gwyneth Ingram and others
- Reposted by Thomas WIDIEZToday, our Director, Gwyneth Ingram, received the CNRS Silver Medal. (👇see the post below👇) This award recognizes researchers for the originality, quality, and significance of their work, acknowledged at both national and international levels. 🌱Congratulations!🥂
- 🎉 Congratulations to our director Gwyneth Ingram, awarded the 2025 CNRS Silver Medal! A well-deserved recognition of her outstanding research in plant developmental biology. 🌱 👉 More info: www.cnrs.fr/fr/actualite... 👉 Her profile: www.insb.cnrs.fr/fr/personne/...
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- Reposted by Thomas WIDIEZThrilled to have our paper out in @science.org. Cell division guides plant cell wall formation. Does the reverse hold? We show that bimodal pectin methylesterification, via PME5 mRNA nuclear sequestration, influences plant cell division and cell plate orientation. www.science.org/doi/10.1126/...
- Reposted by Thomas WIDIEZReinforcing the 🇫🇷France–Japan🇯🇵 collaboration in plant biology🌱 Great meeting our French and Japanese colleagues in a cozy pre-Christmas atmosphere in Strasbourg, hosted by @ibmp-cnrs.bsky.social So glad to have brilliant Japanese researchers at @rdplab.bsky.social Let’s grow science together! 🌱✨
- 🌾 Shorten the wheat gene-edited breeding cycle ✨ Haploid induction × gene editing ▶️Rapid Genetic Stabilisation of Transgenic and Edited Wheat Through Transformation of Immature Haploid Embryos 📖 doi.org/10.1111/pbi....
- Reposted by Thomas WIDIEZCongrats to Andrea Calhau from @rdplab.bsky.social for winning the Best Talk Award at "Seed 2025", the 10ᵉ edition of the French Seed Network Conference! 🌱 This year’s colloque, held in Nantes, brought together scientists around the theme Seeds & the agroecological, climatic, and food transitions.
- Reposted by Thomas WIDIEZ🌱 Our latest: in Plant Biotech J we study transgenerational #CRISPR editing in #maize🌽 using a split Cas9/gRNA system, highlighting importance of event quality & choice of promoters. 👏 Christian Lorenzo, Dirk Inzé and Hilde Nelissen @fbwugent.bsky.social @psb-vib.bsky.social doi.org/10.1111/pbi....
- 🌽 Maize vs. Fusarium 🌽 Overexpressing a maize lipoxygenase (ZmLOX4) boosts resistance to Fusarium infection. Glad that our maize Gene editing & transformation platform, at @rdplab.bsky.social, contributed to this research, led by the Lanubile's Lab. ▶️ doi.org/10.1093/jxb/...
- The cenH3 assembly factor ZmKNL2 boosts haploid induction in maize 🌽 onlinelibrary.wiley.com/doi/10.1111/...
- Reposted by Thomas WIDIEZ🌱 3 plant biology institutes, 2 great days! 🌿 PhDs & postdocs from DBMV @unil.bsky.social, @psb-vib.bsky.social & @rdplab.bsky.social rocked the 2nd Trilateral Plant Bio Symposium in Lausanne! 👏 Big congrats to all ECRs, especially to @nathan-german.bsky.social for winning Best Presentation! 🏆💥
- 🚨Breakthrough in haploid induction through microspore 🌾 🌱 @cp-cell.bsky.social ▶️ Reprogramming of microspore fate via BBM-BAR1 for highly efficient in vivo haploid induction 📖 www.cell.com/cell/abstrac...
- 🌽 A dream maize seed phenotype—finally real❗ Two KIL TFs trigger lytic cell death in endosperm (EAS) ➡️ boosting embryo growth! @theplantcell.bsky.social Huge credit to @moritznowack.bsky.social & N. Doll for leading this work 🙌 Fantastic collaboration 🤝 📖 academic.oup.com/plcell/advan...
- Here are free-access links to our article on cell death at the maize embryo/endosperm interface: 📖 academic.oup.com/plcell/artic... or 🔓 ens-lyon.hal.science/hal-05136683v1
- ➡️NRT1.1B acts as an ABA receptor in integrating compound environmental cues for plants @cellcellpress.bsky.social 📖https://doi.org/10.1016/j.cell.2025.07.027
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- Reposted by Thomas WIDIEZPlant Science Research Weekly -- Unusual cell death pathway in maize endosperm (Plant Cell) @moritznowack.bsky.social @thomaswidiez.bsky.social @laurenspauwels.bsky.social @bertderybel.bsky.social (Summary by Mary Williams @PlantTeaching.bsky.social) buff.ly/A3RVH6Q #PlantaePSRW
- Reposted by Thomas WIDIEZ🌽 Le suicide utile de l’albumen : des cellules se détruisent pour laisser grandir l’embryon Publié dans The Plant Cell, découverte signée N. Doll & @thomaswidiez.bsky.social (UMR RDP), un mécanisme clé pour la croissance et la nutrition des graines ⤵️ urlr.me/QvBTSV Des pistes pour l’#agriculture 🚜
- A haplotype-resolved pangenome of the barley wild relative Hordeum bulbosum 🌾 @nature.com 📖 www.nature.com/articles/s41...
- Amazing discovery 🤯 on barrier integrity control in 🌱 👇🏼👇🏼 @nature.com Congratulations to all👏🏼
- How plants sense injury in their barrier tissue, periderm? Painstakingly detailed and amazing work by post doc Hiroyuki Iida shows that wounding is sensed by the diffusion of two gases: ethylene and oxygen. @treebiocoe.bsky.social @erc.europa.eu 1/x 🧵 www.nature.com/articles/s41...
- 🌱 Latest research from A. Lanubile Lab ▶️ editing the ZmWKRY125 transcription factor enhances maize resistance against Fusarium verticillioides🌽 Glad that our team from @rdplab.bsky.social contributed to this work! 🤝 🔓open access: hal.science/hal-05119616 📖 publisher's link doi.org/10.1007/s002...
- Reposted by Thomas WIDIEZ1/7 I am very excited to announce our🌹NEW PAPER OUT IN 𝑁𝐴𝑇𝑈𝑅𝐸!🌹 𝐃𝐑𝐈𝐕𝐄 𝐓𝐎 𝐒𝐔𝐑𝐕𝐈𝐕𝐄: Bimodal centromeres in pentaploid dogroses shed light on their unique meiosis With the Ritz and Kovařík labs we show a potential role for centromeres on 𝘙𝘰𝘴𝘢 𝘤𝘢𝘯𝘪𝘯𝘢 bizarre reproduction! www.nature.com/articles/s41...
- Reposted by Thomas WIDIEZ🎉 Congratulations to our director Gwyneth Ingram, awarded the 2025 CNRS Silver Medal! A well-deserved recognition of her outstanding research in plant developmental biology. 🌱 👉 More info: www.cnrs.fr/fr/actualite... 👉 Her profile: www.insb.cnrs.fr/fr/personne/...
- Reposted by Thomas WIDIEZOur lab took part in the Pop’Sciences Festival this year! We were excited to contribute to making science more accessible and engaging for everyone. 📍 popsciences.universite-lyon.fr/le_festival/ Thanks to @yvonjaillais.bsky.social, C. Igisch, G. Brunoud, J. Abitbol-Spangaro, C. Godin and more...
- 🌱 What a fantastic seminar from @michaelraissig.bsky.social for our @rdplab.bsky.social external seminar. Full of energy, with some seriously cool cell biology 🔬💚 Exciting research on stomata and Brachypodium! #PlantScience #CellBiology #Stomata #Brachypodium
- ▶️ A two-step self-pollination mechanism maximizes fertility in Brassicaceae @cellcellpress.bsky.social 📖 doi.org/10.1016/j.ce...
- Reposted by Thomas WIDIEZA pick for your next journal club? We discovered a gene regulatory network involving RALF12 and ROS leading to PCD of a single cell (synergid) within the ovule. www.nature.com/articles/s41... The image shows the three cells of a maize egg apparatus (synergids on top and egg cell below).
- ▶️Maternal haploid induction in maize via mutation of Gamete Expression protein 1 (ZmGEX1) 🌱 -->Plant Biotechnology Journal 📖 onlinelibrary.wiley.com/doi/10.1111/...
- Having babies without DNA from Daddy?! 😵 🌻Yep, possible in sunflowers 🌻 Tim Kelliher's team describes a sunflower parthenogenic doubled haploid (DH) process @nature.com ▶️Haploid facultative parthenogenesis in sunflower sexual reproduction 📖 www.nature.com/articles/s41...
- Reposted by Thomas WIDIEZOur latest article on biological nitrogen fixation on the aerial roots of sorghum has been published in @plosbiology.org. We thank the @energygov.bsky.social for supporting this exciting project. journals.plos.org/plosbiology/...
- 🌽 The use of haploid inducer line to edit, by simple crossing, other maize lines 🌽 📖 doi.org/10.1111/pbi.... PlantBiotechJ 👉🏼Harnessing haploid-inducer mediated genome editing for accelerated maize variety development
- 🌱 Egg cell-specific degradation of CENH3 using engineered E3-ligases successfully induce haploids 🌱 ⚠️ Preprint from Andreas Houben's lab @leibnizipk.bsky.social 👉🏼 Gametophytic degradation of CENH3 - a synthetic biology approach for haploid induction in plants 📖 doi.org/10.21203/rs....
- Reposted by Thomas WIDIEZMost plants can`t handle salt, but have evolved strategies to survive in it. How do they do it?🌱🧪 Excited to share some of our first insights using a new cryoelemental imaging technique to answer these questions at the subcellular scale!(1/8) www.nature.com/articles/s41... @nature.com #PlantScience
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- Reposted by Thomas WIDIEZPlease forward: 2-year post-doc position in the lab Evo-Eco-Paleo (Lille, France) to work on plant self-incompatibility & evolution - email me if interested!
