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Posts by Alex Johnson

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New webinar series on plant imaging - FocalPlane New webinar series on plant imaging - News

📢 Two weeks to go until the first webinar in our new series on quantitative plant imaging across scales.
We’ll hear from @blace.bsky.social and Simon Gilroy in this webinar chaired by @ajcellbio.bsky.social and @joemckenna.bsky.social.

6 days ago 5 6 0 0

Thanks for this initiative! Great idea. Happy to see @blace.bsky.social from our lab @biologyunifreiburg.bsky.social and involved in imaging approaches @sfb1381.bsky.social kicks it off. Hope to see many people online.

2 weeks ago 14 5 0 0
FocalPlane features… quantitative plant imaging across scales
Thursday 30 April, 15:00 BST (UTC+1)
Organised by Alex Johnson and Joe McKenna 
Image of Beatrice Lace (University of Freiburg)
Multiplexing and Endogenous Fluorescence Discrimination Using FLIM in Plants
Image of Simon Gilroy (University of Wisconsin–Madison)
Do plants feel pain? How imaging has brought plant wound signaling into the human timescale.
#FocalPlaneFeatures           focalplane.biologists.com
Image of a segmented root

FocalPlane features… quantitative plant imaging across scales Thursday 30 April, 15:00 BST (UTC+1) Organised by Alex Johnson and Joe McKenna Image of Beatrice Lace (University of Freiburg) Multiplexing and Endogenous Fluorescence Discrimination Using FLIM in Plants Image of Simon Gilroy (University of Wisconsin–Madison) Do plants feel pain? How imaging has brought plant wound signaling into the human timescale. #FocalPlaneFeatures focalplane.biologists.com Image of a segmented root

We are excited to launch a new webinar series, Macro to micro: quantitative plant imaging across scales, organised by @ajcellbio.bsky.social and @joemckenna.bsky.social. Our first webinar will featured talks from @blace.bsky.social and Simon Gilroy.

focalplane.biologists.com/2026/03/30/n...

3 weeks ago 44 32 1 2

🌱🔬If you’re a plant biologist using imaging in your research, check back with us on Monday for an exciting announcement! @ajcellbio.bsky.social @joemckenna.bsky.social

#teaser #plantbiology #microscopy

3 weeks ago 11 4 0 0
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Exploration des mécanismes de l'homéostasie du nickel chez les plantes à l'aide d'une espèce hyperaccumulatrice Le nickel est un métal essentiel pour les plantes. Il est le cofacteur indispensable à uréase, qui dégrade l’urée pour recycler l’azote. Cependant, le nickel est toxique quand il est présent en excès,...

In the frame of the French ANR funded project HOMONIME project (anr.fr/Projet-ANR-2...), we will open 3 PhD positions to work on nickel homeostasis in plants using genomic, proteomic, metabolomic and spectrometric approches in Toulouse, Grenoble and Pau. Contact me for further informations

4 weeks ago 7 10 0 0

Abstract deadline extended until March 20th!

Come talk about plants and microscopy! #imc21 🌱🔬

1 month ago 0 1 0 0

Abstract deadline extended until March 20th!

Come talk about plants and microscopy! #imc21 🌱🔬

1 month ago 0 1 0 0
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Current invited speakers are @priyaramakrishna.bsky.social and Malcolm Bennett

1 month ago 1 0 0 0
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Abstract Submission

If you like plants and microscopy (optical, spectroscopic, and/or electron based), George Littlejohn and I are charing the plant session at #IMC21:

Abstract submission is open, so come join us in Liverpool!

🌱🔬😎

www.imc21.org.uk/congress/abs...

1 month ago 6 5 1 2
Workshop venue seating with speakers with introduction by Helen Zenner from Company of Biologists

Workshop venue seating with speakers with introduction by Helen Zenner from Company of Biologists

Picture of entrance to Buxted Park

Picture of entrance to Buxted Park

English countryside with sheep

English countryside with sheep

A big thanks to Alex, Joe, Marketa, Mark and @biologists.bsky.social for bringing together plant imaging enthusiasts across scales and career stages - all in a classic English countryside setting!🔬🌱 @ajcellbio.bsky.social @joemckenna.bsky.social @focalplane.bsky.social

1 month ago 12 7 0 0
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A huge thank you to Joe, Alex, Marketa, Mark and @biologists.bsky.social for bringing together an absolutely amazing community in plant imaging 🌱🔬 in the stunning Sussex countryside.

1 month ago 14 3 0 0

I think Ian Chapman's focus throughout this process has been excessively PI-centred and ignores early career researchers and training.
A big funding pause doesn't cause them to worry about their jobs. It causes them to lose their jobs. And to be unable to get new ones. Their careers will be ended.

2 months ago 37 13 1 0
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PhD Funding: Subcortical brain deve | University of Exeter The University of Exeter’s Department of Clinical and Biomedical Sciences is inviting applications for a PhD studentship to commence on September 21st, 2026 or as soon as possible thereafter.

⚡️Funded PhD position in my lab in Exeter 🧠 @exeter.ac.uk If you are interested in brain development, cell-type diversity, neuroglia, subcortical structures and neurodevelopmental disorders, check out this opportunity. Deadline 28 Feb.
Please RT🙏. www.exeter.ac.uk/study/fundin...

3 months ago 7 4 0 3
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Post-lunch, @ajcellbio.bsky.social telling us about imaging plant endocytosis using multiple techniques 🔬

3 months ago 3 2 0 0
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We’re excited to announce our special guest speaker for Flora in Focus: A Microscopy Conference for Plant Scientists

Join us as Dr Alex Johnson, Research Fellow at University of Exeter, presents “Probing plant endocytosis at multiple scales.”

4 months ago 8 3 1 0

The final version of our multispectral microscopy manuscript is now online at Nature Photonics: www.nature.com/articles/s41...

The main additions are some further comparisons to yet more unmixing algorithms, in which we find that our algorithm is still the most accurate.

7 months ago 35 16 1 0
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Deadline for funded places for PhDs, post docs and newish PIs has been extended to the 5th of September!

8 months ago 0 0 0 0

Deadline for funded places has been extended to the 5th of September!

So if your a PhD, post doc, newish PI and like imaging plants - this is a great chance to hang out and talk with some experts in a fancy English countryside house

🌱🔬😎

8 months ago 8 3 0 0

Organised by Alex Johnson and Joe McKenna, who we have had the pleasure of working with at the Gatsby Plant Science Summer School, this is a great opportunity not to be missed!

Just 2 more days to apply for a funded place if you are an ECR

8 months ago 6 7 1 0
Workshop Macro to Micro: Quantitative Plant Images Across Scales. Organisers: Mark Fricker, Alexander Johnson, Joseph McKenna and Markéta Šámalová. Early-career researchers apply for funded places. 22-25 February 2026, Buxted Park, East Sussex, UK. The Company of Biologists logo.

Workshop Macro to Micro: Quantitative Plant Images Across Scales. Organisers: Mark Fricker, Alexander Johnson, Joseph McKenna and Markéta Šámalová. Early-career researchers apply for funded places. 22-25 February 2026, Buxted Park, East Sussex, UK. The Company of Biologists logo.

Early-career researchers, apply for a funded place at our Macro to Micro: Quantitative Plant Imaging Across Scales Workshop.

Find out more: www.biologists.com/workshops/fe...

#Workshop #Plants #Cells #Imaging #Microscopy #Microscope #Research #PlantPhysiology #PlantCells

8 months ago 1 2 0 1
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Brillouin microscopy showing strength in non-invasive, live-imaging applications!

Studying fruit fly embryos during gastrulation as cells rapidly change shape @prevedel-lab.bsky.social @gomezjm-devmech.bsky.social @marialep.bsky.social characterised & mapped mechanical changes in 3D. rdcu.be/ev6ZX

9 months ago 28 10 1 1
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Mosaic evolution of clathrin-mediated endocytosis in fungi Picco et al. take an evolutionary approach to study clathrin-mediated endocytosis in a fungal clade and discover that the process is evolving in a mosaic fashion. The early phase of endocytosis has sh...

How does evolution shape ancient cellular processes? Our new paper uncovers the mosaic evolution of conserved and diverging endocytic traits in fungi!

www.cell.com/current-biol...

9 months ago 47 16 1 1

Interested in imaging plants, then this is a great workshop for you!

We have a great line up of speakers from plant and ‘outside’ fields, fantastic location and spaces for ECRs to come and join in the fun!

🌱🔬💻🤓

10 months ago 7 10 0 0

Super happy for 1st author Michelle this is out!

It was fun to help out and try some new ways of imaging. 🌱🔬

#plantsarepretty

2 years ago 2 0 0 0