Alex Martiniere
Plant cell biologist, PI @ IPSIM, Montpellier France
- Reposted by Alex MartiniereExcited to share our latest review on hydrosignaling: moisture-dependent molecular pathways that help plants grow towards water. Insightful review of the literature and discussion of moisture sensing mechanisms by Will Dwyer and @hhtormar.bsky.social. Enjoy! link.springer.com/article/10.1...
- Reposted by Alex Martinierefinishing with a path to multicellularity via ultrastructure complexity #cellbiologyofeukaryogenesis @sbcf.bsky.social a big thank you to all speakers!
- Reposted by Alex MartiniereNew publication from RDPlab by Christophe Godin's team ➡️ Multi-physics modeling for ion homeostasis in multi-compartment plant cells using an energy function 📖 journals.plos.org/ploscompbiol...
- Happy to share this preprint, we describe how the membrane could shape the ROS nanoenvironment in plant responses to osmotic signals. Led by @arthur-poitout.bsky.social and amazing colleagues @yvonjaillais.bsky.social , @jbfiche.bsky.social , A Meyer, and J Ugalde. www.biorxiv.org/content/10.6...
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- Reposted by Alex Martinieresbcf.fr/newsletter/l... Really proud to announce that my PhD student Louise fougère received the SBCF 2025 PhD thesis award for our work published in www.nature.com/articles/s41... I am so happy for you and very well deserved. Congrats Louise !!
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- Reposted by Alex MartiniereCracking the code of NPF transporters: function, specificity, and evolution in plants #TansleyReview by Laura Morales de Los Ríos et al. @frannybarbs.bsky.social @lacombeb.bsky.social nph.onlinelibrary.wiley.com/doi/10.1111/... #plantscience
- Reposted by Alex MartiniereDear ENPER community, We are pleased to invite you to the next ENPER meeting, which will be held in my country Bulgaria, from 26 to 28 August 2026 in Sofia. Save the Date!🌱🌱🌱
- Reposted by Alex MartiniereExcited to share our pre-print on how Sphingolipid-driven interleaflet coupling orchestrates ROP6 recruitment to nanodomains upon auxin. Great job from my PhD student Matheus Montrazi, @arthur-poitout.bsky.social, @alexmartiniere.bsky.social, @yvonjaillais.bsky.social www.biorxiv.org/content/10.1...
- Reposted by Alex MartiniereOur work on mapping the dynamics of phospholipids during lateral root formation is now published in @jxbotany.bsky.social We show that PI(4,5)P₂ plays a key role: targeted reduction in pericycle promotes LR development. → academic.oup.com/jxb/advance-...
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- Reposted by Alex MartiniereSALICYLIC ACID SENSOR1 reveals the propagation of an SA hormone surge during plant pathogen advance | Science www.science.org/doi/10.1126/...
- Reposted by Alex MartiniereIt is out! A tandem of two papers showing TMK regulation of PIN-dependent auxin transport www.cell.com/cell/fulltex... (PIN2, Friml lab) and www.cell.com/developmenta... (PIN1, Xu lab)
- Reposted by Alex MartiniereWe have two open Post-Doc positions in my group at the interface with: 1- @ataly.bsky.social for molecular dynamics 2- Bruno Guillotin from protein mobility Apply by sending CV, two ref letters and a short motivation letter to me : emmanuelle.bayer@u-bordeaux.fr. Deadline 15 sept.
- Reposted by Alex MartiniereThis is a fantastic talk by Chris Hawes @nhm-london.bsky.social. He speaks about #PlantMicroscopy in particular, but also the History of #Microscopy. www.youtube.com/watch?v=eAFZ... Have a look at this Obituary of Chris, too: onlinelibrary.wiley.com/doi/10.1111/... #PlantScience
- Reposted by Alex MartiniereOne of the key aspects influencing morphogenesis is mechanics. We mapped the mechanical properties of living roots at the tissue and cellular levels using Brillouin microscopy and molecular rotors. www.biorxiv.org/content/10.1...
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- Reposted by Alex MartiniereI set out to review the evolution of eukaryotic intracellular traffic, but along the way a new hypothesis came into focus: maybe the earliest membrane carriers were tubules, not coated vesicles! New preprint: ecoevorxiv.org/repository/v... Here’s the idea. 🧵
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- Reposted by Alex MartiniereVery excited that our work on directional symplastic transport in differentiated root is now published!A developmental switch controls cell-to-cell transport in roots via pectin-linked plasmodesmata changes: Molecular Plant www.cell.com/molecular-pl...
- Reposted by Alex MartiniereHappy to see Kevin Robe’s work on ZIP transporters published. We found evidences that ZIP2 and ZIP8 are involved in Cu and Fe acquisition respectively and confirmed the role of ZIP3 and ZIP5 in Zn acquisition. journals.plos.org/plosgenetics...
- Super interesting work on hydrotropism and gravitropism www.pnas.org/doi/10.1073/...
- Reposted by Alex MartiniereOut First Release in @science.org today, nice work finding that redox regulates multimerisation of Aux/IAA proteins during root xerobranching: www.science.org/doi/10.1126/...
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- Reposted by Alex MartiniereWe are hiring a postdoctoral researcher! Join the Ma Lab in exploring the the intricate interplay between plant development and defense signaling. Link below. #jobs #research #plantbiology #vienna
- Reposted by Alex MartiniereDelighted to share one piece of my postdoc work in preprint: Through forward genetic screening for suberin deposition in root endodermis, we identified SUBER GENE 1 (SBG1) by GWAS as a novel regulator for suberization by interacting with Type One Protein Phosphatase. www.biorxiv.org/content/10.1...
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- Reposted by Alex Martiniere🚨Our paper is out! If you ever wonder how four-way junctions are avoided during plant cell division, some answers here 🧬🍀🔬🧪🤓 👇 www.sciencedirect.com/science/arti...
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- Reposted by Alex MartiniereAmazing resource for the Arabidopsis and plant community www.cell.com/cell/fulltex...
- Reposted by Alex MartiniereGreat discussion! Congratulations again to François!
- Francois Barbier Habilitation defense today @pierremarcdelaux.bsky.social @cnrs.fr @cnrsbiologie.bsky.social
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- Reposted by Alex MartinierePlasmodesmata: A new frontier for membrane contact site intercellular communication plantae.org?p=140096
- Reposted by Alex MartiniereWe are excited to update you on two distinct auxin oscillations (local & systemic), revealing how root architecture adapts to fluctuating conditions! @cibss.bsky.social @biologyunifreiburg.bsky.social @cbgpmadrid.bsky.social www.biorxiv.org/content/10.1...
- Rho of Plant are signalling HUB and GEF behave as signal specific switches. We found that GEF14 specicaly activates ROP6 during osmotic signal. by 2 excellent young researcher L.Gorgues and M.Smokvarska One more great collaboration with @yvonjaillais.bsky.social www.embopress.org/doi/full/10....
