Ren Ujimatsu
@rujimatsu.bsky.social
PhD student @UTokyo/plant pathology/Colletotrichum fungi/pathogen-mutualist continuum she/her
Reposted by Ren Ujimatsu
Finally published!
Our new study in Curr Biol @currentbiology.bsky.social analyzes how CYP707A1 promoter variation drives an evolutionary trade-off between stomatal defense and gas exchange across Brassicaceae species.
Free-access link:
authors.elsevier.com/a/1m7H93QW8S...
Our new study in Curr Biol @currentbiology.bsky.social analyzes how CYP707A1 promoter variation drives an evolutionary trade-off between stomatal defense and gas exchange across Brassicaceae species.
Free-access link:
authors.elsevier.com/a/1m7H93QW8S...
authors.elsevier.com
November 21, 2025 at 10:32 AM
Finally published!
Our new study in Curr Biol @currentbiology.bsky.social analyzes how CYP707A1 promoter variation drives an evolutionary trade-off between stomatal defense and gas exchange across Brassicaceae species.
Free-access link:
authors.elsevier.com/a/1m7H93QW8S...
Our new study in Curr Biol @currentbiology.bsky.social analyzes how CYP707A1 promoter variation drives an evolutionary trade-off between stomatal defense and gas exchange across Brassicaceae species.
Free-access link:
authors.elsevier.com/a/1m7H93QW8S...
Reposted by Ren Ujimatsu
Our ten years of work is finally out in Current Biology! We reveal a new mode of action of the bacterial phytotoxin coronatine produced by Pseudomonas syringae. www.cell.com/current-biol...
Evolutionary trade-off between stomatal defense and gas exchange in Brassicaceae
Kang et al. show that coronatine hijacks the ABA hydroxylase CYP707A1 in A. thaliana
to override stomatal defense. While CYP707A1 also enables rapid light-induced stomatal
opening, C. rubella and E. s...
www.cell.com
November 18, 2025 at 3:42 AM
Our ten years of work is finally out in Current Biology! We reveal a new mode of action of the bacterial phytotoxin coronatine produced by Pseudomonas syringae. www.cell.com/current-biol...
Reposted by Ren Ujimatsu
Reposted by Ren Ujimatsu
Get a First Look 🔍: "STT3A Is Required for Recognition of Pathogen-Derived Sphingolipids in Arabidopsis," by Seowon Choi et al. https://doi.org/10.1094/MPMI-05-25-0061-R
STT3A Is Required for Recognition of Pathogen-Derived Sphingolipids in Arabidopsis | Molecular Plant-Microbe Interactions®
Plants recognize pathogen-associated molecular patterns (PAMPs) via pattern recognition receptors, leading to the activation of pattern-triggered immunity in response to pathogen attack. Phytophthora infestans ceramide D (Pi-Cer D) is a sphingolipid fro...
doi.org
October 29, 2025 at 4:47 PM
Get a First Look 🔍: "STT3A Is Required for Recognition of Pathogen-Derived Sphingolipids in Arabidopsis," by Seowon Choi et al. https://doi.org/10.1094/MPMI-05-25-0061-R
Novel system to explore plant-fungi interaction and fungus-fungus competition. Colletotrichum rocks!
We’re delighted to share that our paper has been just accepted in PCP!
We analyzed fungus–fungus competition that suppresses pathogenic colonization in Arabidopsis roots.Special thanks to Duke, Hiroyuki, Yuki, Nanami, and everyone who contributed!
t.co/obQyD1rzI1
We analyzed fungus–fungus competition that suppresses pathogenic colonization in Arabidopsis roots.Special thanks to Duke, Hiroyuki, Yuki, Nanami, and everyone who contributed!
t.co/obQyD1rzI1
https://academic.oup.com/pcp/article-abstract/doi/10.1093/pcp/pcaf126/8277635
t.co
October 29, 2025 at 10:53 AM
Novel system to explore plant-fungi interaction and fungus-fungus competition. Colletotrichum rocks!
Reposted by Ren Ujimatsu
We’ve built this virtual plant scientist PlantScience.ai to grow alongside human researchers🌿. It thinks like an expert, cites like a scholar, and never stops learning. Come and have a chat with it! @yiliangding.bsky.social @johninnescentre.bsky.social
www.biorxiv.org/content/10.1...
www.biorxiv.org/content/10.1...
PlantScience.ai
PlantScience.ai
October 28, 2025 at 12:44 PM
We’ve built this virtual plant scientist PlantScience.ai to grow alongside human researchers🌿. It thinks like an expert, cites like a scholar, and never stops learning. Come and have a chat with it! @yiliangding.bsky.social @johninnescentre.bsky.social
www.biorxiv.org/content/10.1...
www.biorxiv.org/content/10.1...
Reposted by Ren Ujimatsu
Spread the word! 🗣️🎙️
Together with @azulsilva.bsky.social and Bluesky-less Magdalena Miranda, supported by @elife.bsky.social, we’re organizing a webinar bringing together people working in science communication and outreach.
Please, feel free to share the flyer with anyone who might be interested!
Together with @azulsilva.bsky.social and Bluesky-less Magdalena Miranda, supported by @elife.bsky.social, we’re organizing a webinar bringing together people working in science communication and outreach.
Please, feel free to share the flyer with anyone who might be interested!
October 15, 2025 at 1:38 PM
Spread the word! 🗣️🎙️
Together with @azulsilva.bsky.social and Bluesky-less Magdalena Miranda, supported by @elife.bsky.social, we’re organizing a webinar bringing together people working in science communication and outreach.
Please, feel free to share the flyer with anyone who might be interested!
Together with @azulsilva.bsky.social and Bluesky-less Magdalena Miranda, supported by @elife.bsky.social, we’re organizing a webinar bringing together people working in science communication and outreach.
Please, feel free to share the flyer with anyone who might be interested!
Reposted by Ren Ujimatsu
We’re delighted to share that our paper has been just accepted in PCP!
We analyzed fungus–fungus competition that suppresses pathogenic colonization in Arabidopsis roots.Special thanks to Duke, Hiroyuki, Yuki, Nanami, and everyone who contributed!
t.co/obQyD1rzI1
We analyzed fungus–fungus competition that suppresses pathogenic colonization in Arabidopsis roots.Special thanks to Duke, Hiroyuki, Yuki, Nanami, and everyone who contributed!
t.co/obQyD1rzI1
https://academic.oup.com/pcp/article-abstract/doi/10.1093/pcp/pcaf126/8277635
t.co
October 13, 2025 at 12:59 AM
We’re delighted to share that our paper has been just accepted in PCP!
We analyzed fungus–fungus competition that suppresses pathogenic colonization in Arabidopsis roots.Special thanks to Duke, Hiroyuki, Yuki, Nanami, and everyone who contributed!
t.co/obQyD1rzI1
We analyzed fungus–fungus competition that suppresses pathogenic colonization in Arabidopsis roots.Special thanks to Duke, Hiroyuki, Yuki, Nanami, and everyone who contributed!
t.co/obQyD1rzI1
Reposted by Ren Ujimatsu
The koji-fungus, Aspergillus oryzae, traditionally used in Japanese brewing, is now widely used to make enzymes.
It seems its capacity for enzyme production is thanks to its unique ability to proportionally increase cell volume and nuclear number.
buff.ly/bPSNRL6
It seems its capacity for enzyme production is thanks to its unique ability to proportionally increase cell volume and nuclear number.
buff.ly/bPSNRL6
October 6, 2025 at 10:44 AM
The koji-fungus, Aspergillus oryzae, traditionally used in Japanese brewing, is now widely used to make enzymes.
It seems its capacity for enzyme production is thanks to its unique ability to proportionally increase cell volume and nuclear number.
buff.ly/bPSNRL6
It seems its capacity for enzyme production is thanks to its unique ability to proportionally increase cell volume and nuclear number.
buff.ly/bPSNRL6
Reposted by Ren Ujimatsu
A long road to the Cover of Science!
www.science.org/doi/10.1126/...
www.science.org/doi/10.1126/...
Localized glutamine leakage drives the spatial structure of root microbial colonization
Plant roots release exudates to encourage microbiome assembly, which influences the function and stress resilience of plants. How specific exudates drive spatial colonization patterns remains largely ...
www.science.org
October 3, 2025 at 12:45 PM
A long road to the Cover of Science!
www.science.org/doi/10.1126/...
www.science.org/doi/10.1126/...
Reposted by Ren Ujimatsu
updated preprint: Intriguingly, Arabidopsis responded with both, improved growth and enhanced defence to a maize-conditioned soil microbiome, and this dual microbiome feedbacks were mediated by priming of the defences. Credits to Katja Stengele et al.!
www.biorxiv.org/content/10.1...
www.biorxiv.org/content/10.1...
Benzoxazinoid-mediated microbiome feedbacks enhance Arabidopsis growth and defense
Plants modulate their surrounding microbiome via root exudates and this conditioned soil microbiome feeds back on the performance of the next generation of plants. How plants can perceive this altered...
www.biorxiv.org
August 29, 2025 at 6:45 PM
updated preprint: Intriguingly, Arabidopsis responded with both, improved growth and enhanced defence to a maize-conditioned soil microbiome, and this dual microbiome feedbacks were mediated by priming of the defences. Credits to Katja Stengele et al.!
www.biorxiv.org/content/10.1...
www.biorxiv.org/content/10.1...
Congrats Fantin🎊 Beautiful work!!
📣 NEW PREPRINT 📝
We identified evolutionary origins of many fungal effectors!
We show that fungi secrete lots of antimicrobial proteins, and that some of them were repurposed by plant pathogens for host immune suppression.
www.biorxiv.org/content/10.1...
cc @teamthomma.bsky.social
We identified evolutionary origins of many fungal effectors!
We show that fungi secrete lots of antimicrobial proteins, and that some of them were repurposed by plant pathogens for host immune suppression.
www.biorxiv.org/content/10.1...
cc @teamthomma.bsky.social
Plant-associated fungi co-opt ancient antimicrobials for host manipulation
Evolutionary histories of effector proteins secreted by fungal pathogens to mediate plant colonization remain largely elusive. While most functionally characterized effectors modulate plant immunity, ...
www.biorxiv.org
August 16, 2025 at 7:47 AM
Congrats Fantin🎊 Beautiful work!!
Reposted by Ren Ujimatsu
We have posted our latest preprint. We explore how an endophytic fungus promotes plant growth and fitness under fluctuating nitrogen-limited conditions in both field and laboratory settings, in additively with bacteria attracted to its hyphae. We hope you enjoy it!
Nitrogen acquisition and selective bacterial attraction through fungal hyphae promote plant growth and health under nitrogen limitation https://www.biorxiv.org/content/10.1101/2025.08.05.668771v1
August 8, 2025 at 2:58 AM
We have posted our latest preprint. We explore how an endophytic fungus promotes plant growth and fitness under fluctuating nitrogen-limited conditions in both field and laboratory settings, in additively with bacteria attracted to its hyphae. We hope you enjoy it!
Reposted by Ren Ujimatsu
📣 Happy to see the journal publication 📄 of our work on Starships 🚀 in Verticillium fungi: terrific work led by @yukiyosato.bsky.social
rdcu.be/exBSp
rdcu.be/exBSp
Starship giant transposons dominate plastic genomic regions in a fungal plant pathogen and drive virulence evolution
Nature Communications - Giant transposons, known as ‘Starships’, mediate horizontal gene transfer between fungal genomes. Here, Sato et al. show that Starships occupy genome regions...
rdcu.be
July 24, 2025 at 10:40 AM
📣 Happy to see the journal publication 📄 of our work on Starships 🚀 in Verticillium fungi: terrific work led by @yukiyosato.bsky.social
rdcu.be/exBSp
rdcu.be/exBSp
Reposted by Ren Ujimatsu
Epipactis helleborine, also known as broad leaf helleborine. An orchid with many small green-purple flowers starting to open.
Finding wild orchids brings me joy.
Finding wild orchids brings me joy.
July 12, 2025 at 7:21 PM
Epipactis helleborine, also known as broad leaf helleborine. An orchid with many small green-purple flowers starting to open.
Finding wild orchids brings me joy.
Finding wild orchids brings me joy.
Reposted by Ren Ujimatsu
Cell wall remodeling in a fungal pathogen is required for hyphal growth into microspaces. #mBio This study highlights the critical role of hyphal plasticity and cell wall remodeling in the pathogenicity of Fusarium oxysporum by genetics and micro-channel devices. journals.asm.org/doi/10.1128/...
July 4, 2025 at 8:01 AM
Cell wall remodeling in a fungal pathogen is required for hyphal growth into microspaces. #mBio This study highlights the critical role of hyphal plasticity and cell wall remodeling in the pathogenicity of Fusarium oxysporum by genetics and micro-channel devices. journals.asm.org/doi/10.1128/...
Reposted by Ren Ujimatsu
Updated preprint: MMF1 is "a microbiota receptor” through which Arabidopsis plants perceive their soil microbiome. Perception optimises root microbiome composition, immune status and ultimately leads to better growth. www.biorxiv.org/content/10.1...
A TNL receptor mediates microbiome feedbacks in Arabidopsis
Plant performance depends on the soil microbiome. While microbiome feedbacks are well documented, the mechanisms by which plants perceive and mediate these feedbacks remain unclear. We established a f...
www.biorxiv.org
June 30, 2025 at 6:27 AM
Updated preprint: MMF1 is "a microbiota receptor” through which Arabidopsis plants perceive their soil microbiome. Perception optimises root microbiome composition, immune status and ultimately leads to better growth. www.biorxiv.org/content/10.1...
Reposted by Ren Ujimatsu
A single domestication origin of adzuki bean in Japan and the evolution of domestication genes |
Science www.science.org/doi/10.1126/...
Do you love もち (mochi)? If so (or even if you don't), this is an interesting article on the origin of adzuki beans (あずき), source of "red bean paste".
Science www.science.org/doi/10.1126/...
Do you love もち (mochi)? If so (or even if you don't), this is an interesting article on the origin of adzuki beans (あずき), source of "red bean paste".
A single domestication origin of adzuki bean in Japan and the evolution of domestication genes
Adzuki is a central legume in East Asian culinary culture, yet its domestication origin remains debated. Using ~700 accessions across Asia, we show that the initial domestication happened three to fiv...
www.science.org
June 3, 2025 at 4:23 PM
A single domestication origin of adzuki bean in Japan and the evolution of domestication genes |
Science www.science.org/doi/10.1126/...
Do you love もち (mochi)? If so (or even if you don't), this is an interesting article on the origin of adzuki beans (あずき), source of "red bean paste".
Science www.science.org/doi/10.1126/...
Do you love もち (mochi)? If so (or even if you don't), this is an interesting article on the origin of adzuki beans (あずき), source of "red bean paste".
Next Monday!
Webinar Alert🌱
Want to learn cutting-edge studies in plant-microbe interaction? Join our webinar "Advances in Plant-Microbe Interactions: Insights from Asia to the World" with
@elifecommunity.bsky.social !
📅 May 19, 2025 | 🕝 JST 14:30–17:20 (UTC+9)
📌Register: u-tokyo-ac-jp.zoom.us/webinar/regi...
Want to learn cutting-edge studies in plant-microbe interaction? Join our webinar "Advances in Plant-Microbe Interactions: Insights from Asia to the World" with
@elifecommunity.bsky.social !
📅 May 19, 2025 | 🕝 JST 14:30–17:20 (UTC+9)
📌Register: u-tokyo-ac-jp.zoom.us/webinar/regi...
May 17, 2025 at 8:26 AM
Next Monday!
Webinar Alert🌱
Want to learn cutting-edge studies in plant-microbe interaction? Join our webinar "Advances in Plant-Microbe Interactions: Insights from Asia to the World" with
@elifecommunity.bsky.social !
📅 May 19, 2025 | 🕝 JST 14:30–17:20 (UTC+9)
📌Register: u-tokyo-ac-jp.zoom.us/webinar/regi...
Want to learn cutting-edge studies in plant-microbe interaction? Join our webinar "Advances in Plant-Microbe Interactions: Insights from Asia to the World" with
@elifecommunity.bsky.social !
📅 May 19, 2025 | 🕝 JST 14:30–17:20 (UTC+9)
📌Register: u-tokyo-ac-jp.zoom.us/webinar/regi...
May 7, 2025 at 2:30 AM
Webinar Alert🌱
Want to learn cutting-edge studies in plant-microbe interaction? Join our webinar "Advances in Plant-Microbe Interactions: Insights from Asia to the World" with
@elifecommunity.bsky.social !
📅 May 19, 2025 | 🕝 JST 14:30–17:20 (UTC+9)
📌Register: u-tokyo-ac-jp.zoom.us/webinar/regi...
Want to learn cutting-edge studies in plant-microbe interaction? Join our webinar "Advances in Plant-Microbe Interactions: Insights from Asia to the World" with
@elifecommunity.bsky.social !
📅 May 19, 2025 | 🕝 JST 14:30–17:20 (UTC+9)
📌Register: u-tokyo-ac-jp.zoom.us/webinar/regi...
Reposted by Ren Ujimatsu
An online webinar: Advances in Plant-Microbe Interactions:
Insights from Asia to the World on May 19.
organized by Ren Ujimatsu, who won a 2024 Ben Barres Spotlight Award from eLife @elife.bsky.social
Her recent publication
www.cell.com/current-biol...
preprint
www.biorxiv.org/content/10.1...
Insights from Asia to the World on May 19.
organized by Ren Ujimatsu, who won a 2024 Ben Barres Spotlight Award from eLife @elife.bsky.social
Her recent publication
www.cell.com/current-biol...
preprint
www.biorxiv.org/content/10.1...
May 7, 2025 at 12:18 AM
An online webinar: Advances in Plant-Microbe Interactions:
Insights from Asia to the World on May 19.
organized by Ren Ujimatsu, who won a 2024 Ben Barres Spotlight Award from eLife @elife.bsky.social
Her recent publication
www.cell.com/current-biol...
preprint
www.biorxiv.org/content/10.1...
Insights from Asia to the World on May 19.
organized by Ren Ujimatsu, who won a 2024 Ben Barres Spotlight Award from eLife @elife.bsky.social
Her recent publication
www.cell.com/current-biol...
preprint
www.biorxiv.org/content/10.1...
Reposted by Ren Ujimatsu
Plant Science Research Weekly -- Friend or Foe? How fungi switch between helping and harming plants (Current Biology) @rujimatsu.bsky.social @keihiruma.bsky.social (Summary by Carlos González Sanz) buff.ly/xfa7e93
#PlantaePSRW
#PlantaePSRW
Friend or Foe? How fungi switch between helping and harming plants | Plantae
Plants coexist and interact with various microorganisms in the soil environment, including fungi. These associated fungi can not only cause diseases but also establish symbiotic interactions that…
buff.ly
April 30, 2025 at 2:15 PM
Plant Science Research Weekly -- Friend or Foe? How fungi switch between helping and harming plants (Current Biology) @rujimatsu.bsky.social @keihiruma.bsky.social (Summary by Carlos González Sanz) buff.ly/xfa7e93
#PlantaePSRW
#PlantaePSRW
I love to read the website Plantae, so very honored to be featured! Thank you🙏
Plant Science Research Weekly April 25 plantae.org/plant-scienc... (2/2) Cryptic giant virus infection; A fungal switch between ally and aggressor; Stopping citrus greening with peptide therapy; A mechanosensitive ion channel helps parasitic plants clamp down.
April 25, 2025 at 11:02 AM
I love to read the website Plantae, so very honored to be featured! Thank you🙏
Thrilled to share my first paper published at Current biology!!
We found that the expression level of one single transcription factor converts beneficial root endophyte into pathogenic guy😈 (1/8) www.cell.com/current-biol...
We found that the expression level of one single transcription factor converts beneficial root endophyte into pathogenic guy😈 (1/8) www.cell.com/current-biol...
A fungal transcription factor converts a beneficial root endophyte into an anthracnose leaf pathogen
Endophytic fungi colonize healthy plant tissues without disease. Ujimatsu et al. reveal
that the fungal transcription factor CtBOT6 triggers the virulence of a root-associated
beneficial endophyte by ...
www.cell.com
April 11, 2025 at 4:23 AM
Thrilled to share my first paper published at Current biology!!
We found that the expression level of one single transcription factor converts beneficial root endophyte into pathogenic guy😈 (1/8) www.cell.com/current-biol...
We found that the expression level of one single transcription factor converts beneficial root endophyte into pathogenic guy😈 (1/8) www.cell.com/current-biol...
It was a great opportunity to share our research! Thank you for organizing!
Great session at #ECFG17 today! The #Colletotrichum workshop featured excellent talks and discussions on genetics, evolution, and host interactions. Thanks to all speakers and participants for sharing amazing science! @ecfg172025.bsky.social @henriklicht.bsky.social
March 3, 2025 at 9:42 PM
It was a great opportunity to share our research! Thank you for organizing!