Takehiro A. Ozawa
@tkozawa.bsky.social
PhD candidate at CINVESTAV Unidad Irapuato 🇲🇽.
Interested in microalgae (e.g. Botryococcus braunii), algal biotechnology and plant energy management (i.e. #PlantTOR and #SnRK1 signaling pathways 🌱⚡️).
Interested in microalgae (e.g. Botryococcus braunii), algal biotechnology and plant energy management (i.e. #PlantTOR and #SnRK1 signaling pathways 🌱⚡️).
Reposted by Takehiro A. Ozawa
New pre-print! ➡️ LCI9 is required for normal pyrenoid starch sheath formation and efficiency of the CO2-concentrating mechanism in Chlamydomonas reinhardtii
Featuring the wildest looking starch granules you've ever seen!
www.biorxiv.org/content/10.1...
Featuring the wildest looking starch granules you've ever seen!
www.biorxiv.org/content/10.1...
November 24, 2025 at 6:32 PM
New pre-print! ➡️ LCI9 is required for normal pyrenoid starch sheath formation and efficiency of the CO2-concentrating mechanism in Chlamydomonas reinhardtii
Featuring the wildest looking starch granules you've ever seen!
www.biorxiv.org/content/10.1...
Featuring the wildest looking starch granules you've ever seen!
www.biorxiv.org/content/10.1...
Reposted by Takehiro A. Ozawa
And now we have Arabidopsis plants with 8 chromosomes instead of 10 and no obvious phenotypic differences, this week in @science.org
#PlantScience
Paper here: www.science.org/doi/10.1126/...
Perspective here:
www.science.org/doi/10.1126/...
#PlantScience
Paper here: www.science.org/doi/10.1126/...
Perspective here:
www.science.org/doi/10.1126/...
CRISPR-Cas–mediated heritable chromosome fusions in Arabidopsis
The genome of Arabidopsis thaliana consists of 10 chromosomes. By inducing CRISPR-Cas–mediated breaks at subcentromeric and subtelomeric sequences, we fused entire chromosome arms, obtaining two eight...
www.science.org
November 21, 2025 at 10:20 AM
And now we have Arabidopsis plants with 8 chromosomes instead of 10 and no obvious phenotypic differences, this week in @science.org
#PlantScience
Paper here: www.science.org/doi/10.1126/...
Perspective here:
www.science.org/doi/10.1126/...
#PlantScience
Paper here: www.science.org/doi/10.1126/...
Perspective here:
www.science.org/doi/10.1126/...
Reposted by Takehiro A. Ozawa
Plant EvoDevo and EvoMPMI people - consider applying to UBC, their science (and weather) is great!
#UBC Botany is hiring an Assistant Professor in Non-Seed Plant Diversity - come work with us in beautiful #Vancouver, BC! Please repost!
academicjobsonline.org/ajo/jobs/31140
academicjobsonline.org/ajo/jobs/31140
University of British Columbia, Botany
Job #AJO31140, ASSISTANT PROFESSOR IN NON-SEED PLANT DIVERSITY (BRYOPHYTES, FERNS, LYCOPHYTES), Botany, University of British Columbia, Vancouver, British Columbia, CA
academicjobsonline.org
November 20, 2025 at 10:27 PM
Plant EvoDevo and EvoMPMI people - consider applying to UBC, their science (and weather) is great!
Reposted by Takehiro A. Ozawa
It’s finally out! 🎉
Work led by former PhD student @wei-xiao-botany.bsky.social , in collaboration with @bayerlab.bsky.social and @bertderybel.bsky.social
AINTEGUMENTA phospho-switch regulates bilateral stem cell activity during secondary growth.
🔗 www.pnas.org/doi/10.1073/...
#PlantSciences
Work led by former PhD student @wei-xiao-botany.bsky.social , in collaboration with @bayerlab.bsky.social and @bertderybel.bsky.social
AINTEGUMENTA phospho-switch regulates bilateral stem cell activity during secondary growth.
🔗 www.pnas.org/doi/10.1073/...
#PlantSciences
An AINTEGUMENTA phosphoswitch controls bilateral stem cell activity during secondary growth | PNAS
Plant stem cells have the remarkable ability to give rise to distinct tissues and
organs throughout development. Two concentric cylinders of active...
www.pnas.org
November 20, 2025 at 9:07 PM
It’s finally out! 🎉
Work led by former PhD student @wei-xiao-botany.bsky.social , in collaboration with @bayerlab.bsky.social and @bertderybel.bsky.social
AINTEGUMENTA phospho-switch regulates bilateral stem cell activity during secondary growth.
🔗 www.pnas.org/doi/10.1073/...
#PlantSciences
Work led by former PhD student @wei-xiao-botany.bsky.social , in collaboration with @bayerlab.bsky.social and @bertderybel.bsky.social
AINTEGUMENTA phospho-switch regulates bilateral stem cell activity during secondary growth.
🔗 www.pnas.org/doi/10.1073/...
#PlantSciences
Reposted by Takehiro A. Ozawa
Christoph Ringli and collaborators identify a new regulator of the Arabidopsis extensin-mediated cell wall integrity sensing: phosphatase PP2C12 inhibiting receptor kinase FERONIA
www.embopress.org/doi/full/10....
www.embopress.org/doi/full/10....
November 20, 2025 at 1:57 PM
Christoph Ringli and collaborators identify a new regulator of the Arabidopsis extensin-mediated cell wall integrity sensing: phosphatase PP2C12 inhibiting receptor kinase FERONIA
www.embopress.org/doi/full/10....
www.embopress.org/doi/full/10....
Reposted by Takehiro A. Ozawa
A Mortise-Tenon joint system facilitates precise targeted DNA insertion and replacement in rice #resource #MolecularPlant cell.com/molecular-pl...
November 20, 2025 at 6:03 AM
A Mortise-Tenon joint system facilitates precise targeted DNA insertion and replacement in rice #resource #MolecularPlant cell.com/molecular-pl...
Reposted by Takehiro A. Ozawa
SWEET1‐mediated glucose transport is crucial for energy availability in Arabidopsis
Xue et al.
nph.onlinelibrary.wiley.com/doi/10.1111/...
Xue et al.
nph.onlinelibrary.wiley.com/doi/10.1111/...
November 20, 2025 at 12:11 AM
SWEET1‐mediated glucose transport is crucial for energy availability in Arabidopsis
Xue et al.
nph.onlinelibrary.wiley.com/doi/10.1111/...
Xue et al.
nph.onlinelibrary.wiley.com/doi/10.1111/...
Reposted by Takehiro A. Ozawa
A synthetic transcription cascade enables direct in planta shoot regeneration for transgenesis and gene editing in multiple plants #resource #MolecularPlant cell.com/molecular-pl...
November 15, 2025 at 12:50 PM
A synthetic transcription cascade enables direct in planta shoot regeneration for transgenesis and gene editing in multiple plants #resource #MolecularPlant cell.com/molecular-pl...
Reposted by Takehiro A. Ozawa
By combining molecular genetics with cell-ablation experiments, we found that vascular cambium stem cells and xylem-identity cells form an interchangeable unit, a stem cell niche. Meticulous work by @xixizhang9001.bsky.social, Ondrej Smetana, Jing Zhang & Xiaoyu Wang 1/x www.pnas.org/doi/10.1073/...
Auxin transport positions stem cells in the vascular cambium during normal development and regeneration | PNAS
The vascular cambium contains bifacial stem cells producing secondary phloem in one
and secondary xylem to the opposite direction. In Arabidopsis r...
www.pnas.org
November 14, 2025 at 9:30 AM
By combining molecular genetics with cell-ablation experiments, we found that vascular cambium stem cells and xylem-identity cells form an interchangeable unit, a stem cell niche. Meticulous work by @xixizhang9001.bsky.social, Ondrej Smetana, Jing Zhang & Xiaoyu Wang 1/x www.pnas.org/doi/10.1073/...
Reposted by Takehiro A. Ozawa
Stuck in the US as a postdoc due to the current political nightmare? Consider to join us in Freiburg @dompsfr.bsky.social @biologyunifreiburg.bsky.social #plantscience
If you know postdocs in the US whose work is restricted or becoming difficult, there are new fellowship possibilities in the south of Germany. Please, forward this information to them:
uni-freiburg.de/frias/call-f...
Our lab in Freiburg can also serve as a host — happy to discuss options.
uni-freiburg.de/frias/call-f...
Our lab in Freiburg can also serve as a host — happy to discuss options.
Call for Applications: Early Career Rescue Fellowship – Freiburg Institute for Advanced Studies
uni-freiburg.de
November 13, 2025 at 4:28 PM
Stuck in the US as a postdoc due to the current political nightmare? Consider to join us in Freiburg @dompsfr.bsky.social @biologyunifreiburg.bsky.social #plantscience
Reposted by Takehiro A. Ozawa
📣 Looking for a 3-Year Postdoc @johninnescentre.bsky.social to join my Wellcome project.
This is a highly interdisciplinary project that explores chromatin dynamics in 🌱 plant responses across timescales, from circadian rhythms to seasonal changes
📅 Closes on 10 Dec.
www.jic.ac.uk/vacancies/36...
This is a highly interdisciplinary project that explores chromatin dynamics in 🌱 plant responses across timescales, from circadian rhythms to seasonal changes
📅 Closes on 10 Dec.
www.jic.ac.uk/vacancies/36...
Postdoctoral Researcher (Dr Miguel Montez) | John Innes Centre
An exciting opportunity has arisen for a Postdoctoral Researcher to join the Wellcome Trust project led by Dr Miguel Montez and hosted within the Dodd Group at the John Innes Centre.
www.jic.ac.uk
November 13, 2025 at 8:34 AM
📣 Looking for a 3-Year Postdoc @johninnescentre.bsky.social to join my Wellcome project.
This is a highly interdisciplinary project that explores chromatin dynamics in 🌱 plant responses across timescales, from circadian rhythms to seasonal changes
📅 Closes on 10 Dec.
www.jic.ac.uk/vacancies/36...
This is a highly interdisciplinary project that explores chromatin dynamics in 🌱 plant responses across timescales, from circadian rhythms to seasonal changes
📅 Closes on 10 Dec.
www.jic.ac.uk/vacancies/36...
Reposted by Takehiro A. Ozawa
How are the intervals of periodic pattern formation regulated during plant morphogenesis? Our latest study now published in @natcomms.nature.com proposes that the mutual inhibition between EPFL2 and auxin modulates the periodicity🌿
www.nature.com/articles/s41...
www.nature.com/articles/s41...
Mutual inhibition between EPFL2 and auxin extends the intervals of periodic leaf morphogenesis - Nature Communications
Plant development is characterized by periodic morphogenesis, yet regulatory mechanisms underlying the periodicity remain unknown. Tameshige et al. reveal that bistable cellular status modulates the s...
www.nature.com
November 13, 2025 at 10:52 AM
How are the intervals of periodic pattern formation regulated during plant morphogenesis? Our latest study now published in @natcomms.nature.com proposes that the mutual inhibition between EPFL2 and auxin modulates the periodicity🌿
www.nature.com/articles/s41...
www.nature.com/articles/s41...
Reposted by Takehiro A. Ozawa
Need a better way to purify your favorite plant proteins? 🎣 Check out the Catch & Release toolbox! Find plasmids here: www.addgene.org/browse/artic...
Thanks @kunzlab.bsky.social for sharing!
Thanks @kunzlab.bsky.social for sharing!
November 13, 2025 at 2:36 PM
Need a better way to purify your favorite plant proteins? 🎣 Check out the Catch & Release toolbox! Find plasmids here: www.addgene.org/browse/artic...
Thanks @kunzlab.bsky.social for sharing!
Thanks @kunzlab.bsky.social for sharing!
Reposted by Takehiro A. Ozawa
🚨 New preprint by @cate-giannini.bsky.social🚨
We uncover an unexpected link between auxin signalling, transcription, and autophagy — revealing how plants coordinate gene expression and cytoplasmic renewal to drive developmental reprogramming. 🌱✨ www.biorxiv.org/content/10.1...
We uncover an unexpected link between auxin signalling, transcription, and autophagy — revealing how plants coordinate gene expression and cytoplasmic renewal to drive developmental reprogramming. 🌱✨ www.biorxiv.org/content/10.1...
November 12, 2025 at 4:22 PM
🚨 New preprint by @cate-giannini.bsky.social🚨
We uncover an unexpected link between auxin signalling, transcription, and autophagy — revealing how plants coordinate gene expression and cytoplasmic renewal to drive developmental reprogramming. 🌱✨ www.biorxiv.org/content/10.1...
We uncover an unexpected link between auxin signalling, transcription, and autophagy — revealing how plants coordinate gene expression and cytoplasmic renewal to drive developmental reprogramming. 🌱✨ www.biorxiv.org/content/10.1...
Reposted by Takehiro A. Ozawa
Our paper on the #genome of the Trebouxia #photobiont from Xanthoria is now out in @newphyt.bsky.social! Check below for a near-chromosome level assembly, secretome analysis, evidence of ancient HGT, and transcriptomic comparison of the alga in symbiosis and in pure culture
doi.org/10.1111/nph.70728
doi.org/10.1111/nph.70728
November 12, 2025 at 3:46 PM
Our paper on the #genome of the Trebouxia #photobiont from Xanthoria is now out in @newphyt.bsky.social! Check below for a near-chromosome level assembly, secretome analysis, evidence of ancient HGT, and transcriptomic comparison of the alga in symbiosis and in pure culture
doi.org/10.1111/nph.70728
doi.org/10.1111/nph.70728
Reposted by Takehiro A. Ozawa
The First Annual Virtual WALII Symposium: Exploring Life Without Water is ONE WEEK AWAY! 🗓️💧
Register now to join us on November, 18!
www.walii.science/virtual-symp...
Register now to join us on November, 18!
www.walii.science/virtual-symp...
November 11, 2025 at 7:37 PM
The First Annual Virtual WALII Symposium: Exploring Life Without Water is ONE WEEK AWAY! 🗓️💧
Register now to join us on November, 18!
www.walii.science/virtual-symp...
Register now to join us on November, 18!
www.walii.science/virtual-symp...
Reposted by Takehiro A. Ozawa
Our preprint is finally out 🌿
“𝒑𝒑𝑮𝒑𝒑 𝒑𝒓𝒐𝒎𝒐𝒕𝒆𝒔 𝒉𝒊𝒈𝒉-𝒍𝒊𝒈𝒉𝒕 𝒕𝒐𝒍𝒆𝒓𝒂𝒏𝒄𝒆 𝒊𝒏 𝑨𝒓𝒂𝒃𝒊𝒅𝒐𝒑𝒔𝒊𝒔”
Its been a journey- first spotted by Matteo Sugliani over ten years ago, carried forward by Shanna Romand, and brought to the finish line with help from many collaborators. #PlantScience tinyurl.com/wpf3bp25
“𝒑𝒑𝑮𝒑𝒑 𝒑𝒓𝒐𝒎𝒐𝒕𝒆𝒔 𝒉𝒊𝒈𝒉-𝒍𝒊𝒈𝒉𝒕 𝒕𝒐𝒍𝒆𝒓𝒂𝒏𝒄𝒆 𝒊𝒏 𝑨𝒓𝒂𝒃𝒊𝒅𝒐𝒑𝒔𝒊𝒔”
Its been a journey- first spotted by Matteo Sugliani over ten years ago, carried forward by Shanna Romand, and brought to the finish line with help from many collaborators. #PlantScience tinyurl.com/wpf3bp25
Guanosine tetraphosphate (ppGpp) signalling promotes high-light tolerance in Arabidopsis thaliana.
Guanosine tetraphosphate (ppGpp) is a hyperphosphorylated nucleotide originally discovered in prokaryotes and found in the chloroplasts of plants and algae. In plants, ppGpp signalling plays a role as...
www.biorxiv.org
November 10, 2025 at 8:13 AM
Our preprint is finally out 🌿
“𝒑𝒑𝑮𝒑𝒑 𝒑𝒓𝒐𝒎𝒐𝒕𝒆𝒔 𝒉𝒊𝒈𝒉-𝒍𝒊𝒈𝒉𝒕 𝒕𝒐𝒍𝒆𝒓𝒂𝒏𝒄𝒆 𝒊𝒏 𝑨𝒓𝒂𝒃𝒊𝒅𝒐𝒑𝒔𝒊𝒔”
Its been a journey- first spotted by Matteo Sugliani over ten years ago, carried forward by Shanna Romand, and brought to the finish line with help from many collaborators. #PlantScience tinyurl.com/wpf3bp25
“𝒑𝒑𝑮𝒑𝒑 𝒑𝒓𝒐𝒎𝒐𝒕𝒆𝒔 𝒉𝒊𝒈𝒉-𝒍𝒊𝒈𝒉𝒕 𝒕𝒐𝒍𝒆𝒓𝒂𝒏𝒄𝒆 𝒊𝒏 𝑨𝒓𝒂𝒃𝒊𝒅𝒐𝒑𝒔𝒊𝒔”
Its been a journey- first spotted by Matteo Sugliani over ten years ago, carried forward by Shanna Romand, and brought to the finish line with help from many collaborators. #PlantScience tinyurl.com/wpf3bp25
Reposted by Takehiro A. Ozawa
New paper is online! We used single cell RNA-seq & phylogenetics to identify 2 additional cell type specific TFs that control late-stage vinca alkaloid biosynthesis. The key insights originated from Camptotheca, another species that produces alkaloids. doi.org/10.1111/nph.... #PlantScience #SecMet
November 10, 2025 at 1:29 PM
New paper is online! We used single cell RNA-seq & phylogenetics to identify 2 additional cell type specific TFs that control late-stage vinca alkaloid biosynthesis. The key insights originated from Camptotheca, another species that produces alkaloids. doi.org/10.1111/nph.... #PlantScience #SecMet
Reposted by Takehiro A. Ozawa
New research out of Death Valley from @rheelab.bsky.social! 🏜️ Learn how one desert plant beats the heat through photosynthetic acclimation in their @currentbiology.bsky.social paper: www.sciencedirect.com/science/arti...
#PlantScience #PlantResilience
#PlantScience #PlantResilience
Photosynthetic acclimation is a key contributor to exponential growth of a desert plant in Death Valley summer
Heat waves, now more frequent and longer due to climate change, devastate plant productivity. Although they are rare, thermophilic plants could hold k…
www.sciencedirect.com
November 7, 2025 at 7:38 PM
New research out of Death Valley from @rheelab.bsky.social! 🏜️ Learn how one desert plant beats the heat through photosynthetic acclimation in their @currentbiology.bsky.social paper: www.sciencedirect.com/science/arti...
#PlantScience #PlantResilience
#PlantScience #PlantResilience
Reposted by Takehiro A. Ozawa
Applications due by Dec. 1
I recently moved my lab to Purdue University and am looking for graduate students. We are working at the interface of population genomics, quantitative genetics and functional genomics to understand how plants adapt to extreme environments. Reach out if you would like to discuss potential projects.
November 8, 2025 at 3:46 PM
Applications due by Dec. 1
Reposted by Takehiro A. Ozawa
¿Hiciste tu doctorado en México? ¿Quieres hacer un postdoc en California? ¿Te interesa la genética evolutiva? ¡Checa esta beca y mándame un mensaje! alianzamx.universityofcalifornia.edu/research-and...
Postdoctoral Research Fellowships - University of California Alianza MX
Submitting an Application Current Fellows 2025 Cohort Additional Information Humberger Toggle Menu Interested in applying for a Postdoctoral Research Fellowship? Eligibility The program seeks applican...
alianzamx.universityofcalifornia.edu
November 7, 2025 at 10:47 PM
¿Hiciste tu doctorado en México? ¿Quieres hacer un postdoc en California? ¿Te interesa la genética evolutiva? ¡Checa esta beca y mándame un mensaje! alianzamx.universityofcalifornia.edu/research-and...
Reposted by Takehiro A. Ozawa
Our new review in Science @science.org is out with @jennyrussinova.bsky.social and @nvukas.bsky.social. We discuss how precise modulation of brassinosteroid signaling can enable more targeted, predictable improvements in plant growth and resilience.
science.org/doi/10.1126/science.adu9798
science.org/doi/10.1126/science.adu9798
November 7, 2025 at 4:37 AM
Our new review in Science @science.org is out with @jennyrussinova.bsky.social and @nvukas.bsky.social. We discuss how precise modulation of brassinosteroid signaling can enable more targeted, predictable improvements in plant growth and resilience.
science.org/doi/10.1126/science.adu9798
science.org/doi/10.1126/science.adu9798
Reposted by Takehiro A. Ozawa
IT'S HAPPENING! 💥 I'm psyched to launch the collaboration between @qedscience.bsky.social & @openrxiv.bsky.social @biorxivpreprint.bsky.social! Preprint + q.e.d = your science is out there, and anyone can appreciate it. Let's care about making discoveries, and not on “getting published” (1/3) 👇
November 6, 2025 at 2:49 PM
IT'S HAPPENING! 💥 I'm psyched to launch the collaboration between @qedscience.bsky.social & @openrxiv.bsky.social @biorxivpreprint.bsky.social! Preprint + q.e.d = your science is out there, and anyone can appreciate it. Let's care about making discoveries, and not on “getting published” (1/3) 👇
Reposted by Takehiro A. Ozawa
Happy to share our latest preprint:
Functional Characterization of Target of Rapamycin (TOR) Signalling in Physcomitrella
@cibss.bsky.social #Physcomitrella #moss
Please check it out.
www.biorxiv.org/content/10.1...
Functional Characterization of Target of Rapamycin (TOR) Signalling in Physcomitrella
@cibss.bsky.social #Physcomitrella #moss
Please check it out.
www.biorxiv.org/content/10.1...
Functional Characterization of Target of Rapamycin (TOR) Signalling in Physcomitrella
Target of rapamycin (TOR) is a conserved protein kinase and an important signalling hub in eukaryotes. The moss Physcomitrella (Physcomitrium patens) is a model organism for plant physiology, developm...
www.biorxiv.org
November 6, 2025 at 8:02 AM
Happy to share our latest preprint:
Functional Characterization of Target of Rapamycin (TOR) Signalling in Physcomitrella
@cibss.bsky.social #Physcomitrella #moss
Please check it out.
www.biorxiv.org/content/10.1...
Functional Characterization of Target of Rapamycin (TOR) Signalling in Physcomitrella
@cibss.bsky.social #Physcomitrella #moss
Please check it out.
www.biorxiv.org/content/10.1...
Reposted by Takehiro A. Ozawa
Very excited to share our work published in Nature Comms last week! Here we describe a range of cool things that can be done once you have the power to control deposition of H3K4me3…
rdcu.be/eNEf4
A short thread:
rdcu.be/eNEf4
A short thread:
CRISPR targeting of H3K4me3 activates gene expression and unlocks centromere-proximal crossover recombination in Arabidopsis
Nature Communications - Binenbaum et al. demonstrate that precise CRISPR-based targeting of a key chromatin mark (H3K4me3) can switch on genes, boost disease resistance, and unlock meiotic...
rdcu.be
November 5, 2025 at 9:30 PM
Very excited to share our work published in Nature Comms last week! Here we describe a range of cool things that can be done once you have the power to control deposition of H3K4me3…
rdcu.be/eNEf4
A short thread:
rdcu.be/eNEf4
A short thread: