Guillaume Théroux-Rancourt
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guillaumetr.bsky.social
Guillaume Théroux-Rancourt
@guillaumetr.bsky.social
460 followers 280 following 3 posts
Plant ecophysiologist | Structure and function | 3D anatomy

Director of indoor farming research @Biopterre 🇨🇦. Formerly @BOKUvienna 🇦🇹 @UCDavisPlant 🇺🇸 @ULaval 🇨🇦
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Reposted by Guillaume Théroux-Rancourt
dmarquez.bsky.social
Excited to share our paper with Anna Gardner and @florianabusch.bsky.social in Plant Ecophysiology!🌿

We review challenges in interpreting plant stress responses using gas exchange data, offer solutions to improve accuracy and discuss gaps in our current knowledge.

www.sciltp.com/journals/Pla...
Detailed representation of H2O gas exchange (left) and CO2 gas exchange (right) at the adaxial (upper) and abaxial (lower) leaf surfaces in an amphistomatous leaf. This panel illustrates the separate gas exchange processes for each leaf surface, which can be measured individually if the upper and lower cuvettes are analysed separately—though this setup is not common in commercial gas exchange systems. Stomatal, cuticle, and boundary layer resistances are depicted for both surfaces, along with the mole fractions of water vapour and CO2.
January 14, 2025 at 3:51 PM
Reposted by Guillaume Théroux-Rancourt
botsocamerica.bsky.social
The memory of past water abundance shapes #trees 7 years later

New #AJB research by Alana R. O. Chin, @arthurobuntspecht.bsky.social, Omar Laín, Isabella Østerlund, Marcus Schaub, @guillaumetr.bsky.social, Klara Voggeneder & Janneke Hille Ris Lambers

doi.org/10.1002/ajb2... #botany #Pineaceae
A microCTscan showing a pine leaf in cross section at 0.56 micron resolution, high-detail anatomy with visible plastids.
December 26, 2024 at 6:10 PM
Reposted by Guillaume Théroux-Rancourt
arthurobuntspecht.bsky.social
🌲 Trees have long memories! Our study shows Scots pine trees remember past water abundance even 7 years after irrigation stops! bsapubs.onlinelibrary.wiley.com/doi/full/10....
December 24, 2024 at 7:17 AM
Reposted by Guillaume Théroux-Rancourt
thornsesholdlab.bsky.social
Wishing the Elsevier editors who desk-accepted this all the best for their next career moves.

doi.org/10.1016/j.ij...
November 22, 2024 at 2:49 PM
Reposted by Guillaume Théroux-Rancourt
bsa-ecophys.bsky.social
Here is a working Starter Pack for Plant Ecophysiologists! Please let us know if you want to be added to this list in a comment or DM. #botany #plantecophys #PhysFam

go.bsky.app/Pbq39H7
November 9, 2024 at 8:16 PM
Reposted by Guillaume Théroux-Rancourt
savageplantphys.bsky.social
Welcome everyone new to bluesky! We're building a great plant phys/ecophys community. Check out @bsa-ecophys.bsky.social and their starter pack.
November 9, 2024 at 10:16 PM
Reposted by Guillaume Théroux-Rancourt
arthurobuntspecht.bsky.social
Leaf day respiration involves multiple carbon sources and depends on previous dark metabolism
Leaf day respiration involves multiple carbon sources and depends on previous dark metabolism
Plant, Cell & Environment is an ecology journal analysing the ways plants respond to their environment including biological, physiological and ecological factors.
onlinelibrary.wiley.com
March 14, 2024 at 8:50 AM
Reposted by Guillaume Théroux-Rancourt
nmouquet.bsky.social

"What They Forgot to Teach You About R" great ressource even for people with good experience in R and Rstudio

Let's "(re)designing our R lifestyle" :)

rstats.wtf

Thanks 👏 to :

Jennifer Bryan
Jim Hester
Shannon Pileggi (@pipinghotdata.bsky.social)
E. David Aja

🧪🌍 #rstats #ggplot2
This book focuses on content intrinsically related to the infrastructure surrounding data analysis in R, but does not delve into the data analysis itself. A holistic workflow provides guidance on project-oriented workflows that address common sources of friction in data analysis. Personal R administration empowers R users to confidently manage their R programming environment. All is Fail showcases functions, options, and RStudio capabilities for debugging code, facilitating more efficient resolution of errant code.
March 8, 2024 at 2:18 PM
Reposted by Guillaume Théroux-Rancourt
ronaldpierik.bsky.social
Low cost open-source plant imaging platform, developed by fantastic PhD candidate @lisaoskam.bsky.social and including scripts for automated image analysis for leaf properties on our linked GitHub, now out in Plant Physiology
doi.org/10.1093/plph...
A low-cost open-source imaging platform reveals spatiotemporal insight into leaf elongation and movement
A modular and low-cost phenotyping setup with an open-source image analysis pipeline shows the importance of spatial and temporal resolution in understanding di
doi.org
March 8, 2024 at 7:57 AM
Reposted by Guillaume Théroux-Rancourt
natplants.nature.com
New OA Article: "A self-regulatory cell-wall-sensing module at cell edges controls plant growth" rdcu.be/dAAog

With a News & Views: "On the edge — how plant cells monitor growth" rdcu.be/dAAtQ

Cell edges sense mechanical stresses from neighbouring cells. #PlantScience
March 7, 2024 at 11:43 AM
Reposted by Guillaume Théroux-Rancourt
kschneitz.bsky.social
Great collaboration between biologists and computer scientists. Need robust 3D nuclear segmentation? In deeper tissue layers with poor nuclear staining? Wide applicability? This and more in our latest paper..

bit.ly/3uG2Brd

#PlantScience #PlantBiology #PlantDevelopment #PlantCellBio #PlantEvoDevo
February 21, 2024 at 11:41 AM
Reposted by Guillaume Théroux-Rancourt
guillaumelobet.bsky.social
📣 JOB AD from my awesome colleague Valentin Couvreur

➡ PhD Grant on plant water deficit 🌱 🌳 🏞 in the project "The Plant Water Pump" 😀 #Experimental #Forest #Greenhouse #ERC

🌾🧪

More details over here: lnkd.in/eAHrPFJU
schematic of water movement in the soil plant system
January 11, 2024 at 8:09 AM
Reposted by Guillaume Théroux-Rancourt
lepidodendron.bsky.social
my first paper of the year (and my first ever single author paper) has been finally published!

Do you work on fossil plants? Do you feel that your phylogenies are too uncertain? Don't fear uncertainty, EMBRACE IT! 🧪🌾🌱
Embracing uncertainty: The way forward in plant fossil phylogenetics
Although molecular phylogenetics remains the most widely used method of inferring the evolutionary history of living groups, the last decade has seen a renewed interest in morphological phylogenetics....
bsapubs.onlinelibrary.wiley.com
February 9, 2024 at 6:46 PM
Reposted by Guillaume Théroux-Rancourt
florianabusch.bsky.social
New paper out in PC&E! Look here if you're after some guidance on how to gas exchange: onlinelibrary.wiley.com/doi/10.1111/...
What measurements are appropriate for your question and how to best take them? Initiated by Maria Papanatsiou, with @cavycavs.bsky.social and many others
February 7, 2024 at 5:44 PM
Reposted by Guillaume Théroux-Rancourt
leesweetlove.bsky.social
Fill a plant's air spaces with water and it no longer can sense the direction of light. Revelatory finding from Christian Fankhauser's lab. Power of genetics!

#plantscience
quantamagazine.bsky.social Quanta Magazine @quantamagazine.bsky.social · Jan 31
Some seedlings use air shafts around their cells to refract light and sense its direction. This discovery helps answer how plants seem to know where light is coming from.
Plants Find Light Using Gaps Between Their Cells | Quanta Magazine
A mutant seedling revealed how plant tissues scatter incoming light, allowing plants to sense its direction and move toward it.
www.quantamagazine.org
February 3, 2024 at 9:51 AM
Reposted by Guillaume Théroux-Rancourt
spintheory.bsky.social
We introduce a mathematical model to connect innovation and obsolescence across diverse systems like economics, biology, and science. Taking the “space of the possible,” we model how it grows from innovation and decays with obsolescence.

www.pnas.org/doi/10.1073/...
February 5, 2024 at 12:40 PM
Reposted by Guillaume Théroux-Rancourt
annbot.bsky.social
🍇🌿Great news! The newly published paper ‘Mechanisms of grapevine resilience to a vascular disease: investigating stem radial growth, xylem development and physiological acclimation’ in @annbot by Ninon Dell' Acqua and co-authors is now #free for a limited time. (1/7) 
👉  botany.fyi/qK2u5y
#AoBpapers
Mechanisms of grapevine resilience to a vascular disease: investigating stem radial growth, xylem development and physiological acclimation
January 25, 2024 at 11:07 AM
Reposted by Guillaume Théroux-Rancourt
ctrlalttim.com
Kraft paper? ✅
Introducing machine learning concepts to biology majors? ✅
Icebreaker activity that isn't too awkward? ✅

Check this out in Vol. 1 of my newsletter! 🧪
Vol. 1 - "Will we do the drawing again this year?"
I teach an introduction to data science for biology majors. The greatest challenge of this class is to help students build up an intuition about the many...
buttondown.email
January 23, 2024 at 1:20 PM
Reposted by Guillaume Théroux-Rancourt
aobp.bsky.social
🌿New article in @aobp.bsky.social on the impact of climate change on Asplenium nidus, a common epiphytic fern in tropical and subtropical wet forests. Is epiphyte growth more water- or nutrient-limited?

Full #openaccess
👉 bit.ly/41FVXNQ
Asplenium nidus plant growing on a pot as part of the experimental desing.
January 4, 2024 at 12:24 PM
Reposted by Guillaume Théroux-Rancourt
biorxiv-plants.bsky.social
From Selfies to Science - Precise 3D Leaf Measurement with iPhone 13 and Its Implications for Plant Development and Transpiration https://www.biorxiv.org/content/10.1101/2023.12.30.573617v1
From Selfies to Science - Precise 3D Leaf Measurement with iPhone 13 and Its Implications for Plant Development and Transpiration https://www.biorxiv.org/content/10.1101/2023.12.30.573617v1
Advanced smartphone technology has unified sophisticated, cost-effective sensors, broadening access
www.biorxiv.org
December 31, 2023 at 4:05 AM
Reposted by Guillaume Théroux-Rancourt
faineg.bsky.social
Valid
December 23, 2023 at 3:14 PM
Reposted by Guillaume Théroux-Rancourt
leonardojo.bsky.social
If you use the background_image() function from ggpubr (rpkgs.datanovia.com/ggpubr/refer...), you can display your ggPlantmap on top of a image. There is a small y-axis offset, but it can do the trick. I will work on implementing this function whenever I have some free time. #ggPlantmap
December 19, 2023 at 3:42 PM
Reposted by Guillaume Théroux-Rancourt
kheyduk.bsky.social
This paper is super super cool!! Did you know you can see the shadows of Joshua trees from Google map images? And then you can use that to estimate with pretty incredible detail the range? You can, and they did!! Check it out.
jbyoder.org Jeremy B. Yoder 🧬📊🌿🏳️‍🌈🖖🏻 @jbyoder.org · Dec 14
New paper out today: An "unprecedented" range map of the eastern and western Joshua tree, based on Google Maps satellite imagery for more than SIX HUNDRED THOUSAND quarter-square kilometer grid cells

Blog post rundown: lab.jbyoder.org/2023/12/14/n...

And the paper: doi.org/10.3389/fevo...
Two panels: A Google Maps satellite image of desert scrubland with white arrows pointing out large Joshua trees, which cast distinctive shadows; and a large Joshua tree in a desert landscape tinted green with spring growth A map of the Mojave Desert with the predicted presence of Joshua trees indicated by blue (low probability of presence) to red (high probability) shading
December 14, 2023 at 10:36 PM