Matt Johnson
@profmattjohnson.bsky.social
Group leader at University of Sheffield, photosynthesis 🌱☀️, plant physiology, biochemistry and structural biology 🔬🇪🇺🇬🇧 www.Sheffield.ac.uk/photosynthesis
Our new preprint 🚨🌱☀️on flourescent biosensing of ATP levels in chloroplasts in vivo shows disequilibrium between proton motive force and ATP levels. We show PGR5 dependent cyclic electron transfer does not augment ATP/NADPH ratios @gustaf23.bsky.social 🙌
www.biorxiv.org/cgi/content/...
www.biorxiv.org/cgi/content/...
November 12, 2025 at 3:42 PM
Our new preprint 🚨🌱☀️on flourescent biosensing of ATP levels in chloroplasts in vivo shows disequilibrium between proton motive force and ATP levels. We show PGR5 dependent cyclic electron transfer does not augment ATP/NADPH ratios @gustaf23.bsky.social 🙌
www.biorxiv.org/cgi/content/...
www.biorxiv.org/cgi/content/...
Reposted by Matt Johnson
Time for a thread!🧵 How different is the molecular organization of thylakoids in “higher” plants🌱? To find out, we teamed up with @profmattjohnson.bsky.social to dive into spinach chloroplasts with #CryoET ❄️🔬. Curious? ..Read on!
#TeamTomo #PlantScience 🧪 🧶🧬 🌾
elifesciences.org/articles/105...
1/🧵
#TeamTomo #PlantScience 🧪 🧶🧬 🌾
elifesciences.org/articles/105...
1/🧵
September 25, 2025 at 6:00 PM
Time for a thread!🧵 How different is the molecular organization of thylakoids in “higher” plants🌱? To find out, we teamed up with @profmattjohnson.bsky.social to dive into spinach chloroplasts with #CryoET ❄️🔬. Curious? ..Read on!
#TeamTomo #PlantScience 🧪 🧶🧬 🌾
elifesciences.org/articles/105...
1/🧵
#TeamTomo #PlantScience 🧪 🧶🧬 🌾
elifesciences.org/articles/105...
1/🧵
Pleased to share my very general review of Photosynthesis now published in Nature Reviews Mol Cell Biol
🌞🌱
rdcu.be/em1lz Hopefully a useful primer for Postgrad and undergrad students
🌞🌱
rdcu.be/em1lz Hopefully a useful primer for Postgrad and undergrad students
Structure, regulation and assembly of the photosynthetic electron transport chain
Nature Reviews Molecular Cell Biology - The electron transfer chain in chloroplast thylakoid membranes uses solar energy to produce NADPH and ATP, which power carbon fixation into biomass. This...
rdcu.be
May 21, 2025 at 5:40 PM
Pleased to share my very general review of Photosynthesis now published in Nature Reviews Mol Cell Biol
🌞🌱
rdcu.be/em1lz Hopefully a useful primer for Postgrad and undergrad students
🌞🌱
rdcu.be/em1lz Hopefully a useful primer for Postgrad and undergrad students
Reposted by Matt Johnson
2. Towards climate-change resilient crops: unravelling relationships between CO2 assimilation and ATP production led by @profmattjohnson.bsky.social
Power photosynthesis for climate-smart crops. Investigate CO₂ uptake + ATP production.
bit.ly/4m5BZ8X
#PlantScience #AcademicSky
Power photosynthesis for climate-smart crops. Investigate CO₂ uptake + ATP production.
bit.ly/4m5BZ8X
#PlantScience #AcademicSky
Towards climate-change resilient crops by unravelling the relationship between CO2 assimilation and ATP production at University of Sheffield on FindAPhD.com
PhD Project - Towards climate-change resilient crops by unravelling the relationship between CO2 assimilation and ATP production at University of Sheffield, listed on FindAPhD.com
bit.ly
May 8, 2025 at 10:36 AM
2. Towards climate-change resilient crops: unravelling relationships between CO2 assimilation and ATP production led by @profmattjohnson.bsky.social
Power photosynthesis for climate-smart crops. Investigate CO₂ uptake + ATP production.
bit.ly/4m5BZ8X
#PlantScience #AcademicSky
Power photosynthesis for climate-smart crops. Investigate CO₂ uptake + ATP production.
bit.ly/4m5BZ8X
#PlantScience #AcademicSky
Reposted by Matt Johnson
Finally! After a lot of hard work our paper on tethering FNR to PSI in Chlamy is out in @theplantcell.bsky.social
@sheffieldpps.bsky.social @profmattjohnson.bsky.social
academic.oup.com/plcell/advan...
@sheffieldpps.bsky.social @profmattjohnson.bsky.social
academic.oup.com/plcell/advan...
Tethering ferredoxin-NADP+ reductase to photosystem I promotes photosynthetic cyclic electron transfer
The location of the key photosynthetic enzyme FNR impacts the partitioning of photosynthetic electrons between the linear and cyclic electron transport pat
academic.oup.com
March 3, 2025 at 2:40 PM
Finally! After a lot of hard work our paper on tethering FNR to PSI in Chlamy is out in @theplantcell.bsky.social
@sheffieldpps.bsky.social @profmattjohnson.bsky.social
academic.oup.com/plcell/advan...
@sheffieldpps.bsky.social @profmattjohnson.bsky.social
academic.oup.com/plcell/advan...
Reposted by Matt Johnson
A family of NADPH/NADP+ biosensors reveals in vivo dynamics of central redox metabolism across eukaryotes www.nature.com/articles/s41... @naturecomms.bsky.social
A family of NADPH/NADP+ biosensors reveals in vivo dynamics of central redox metabolism across eukaryotes - Nature Communications
This article presents NAPstars, a family of genetically-encoded biosensors that enable real-time monitoring of NADP redox dynamics across species. The sensors reveal robust NADP redox regulation, cell...
www.nature.com
December 19, 2024 at 7:36 PM
A family of NADPH/NADP+ biosensors reveals in vivo dynamics of central redox metabolism across eukaryotes www.nature.com/articles/s41... @naturecomms.bsky.social
Reposted by Matt Johnson
Determining role of FNR location in photoprotection of photosystem I https://buff.ly/4imFBBM
Life depends on photosynthesis; you will study a key photoprotective regulatory mechanism controlling electrical current flow between photosystems
[email protected] @profmattjohnson.bsky.social
Life depends on photosynthesis; you will study a key photoprotective regulatory mechanism controlling electrical current flow between photosystems
[email protected] @profmattjohnson.bsky.social
November 29, 2024 at 3:04 PM
Determining role of FNR location in photoprotection of photosystem I https://buff.ly/4imFBBM
Life depends on photosynthesis; you will study a key photoprotective regulatory mechanism controlling electrical current flow between photosystems
[email protected] @profmattjohnson.bsky.social
Life depends on photosynthesis; you will study a key photoprotective regulatory mechanism controlling electrical current flow between photosystems
[email protected] @profmattjohnson.bsky.social
Reposted by Matt Johnson
This one was delayed for a while… apologies to the musicians. Collab with Matt, Will and Lorna (over on Twitter). And a great dev effort from Lorenz @lorenzlamm.bsky.social. Ofc @cellarchlab.com team. Comment if you want to help. #teamthylakoid
www.biorxiv.org/content/10.1...
www.biorxiv.org/content/10.1...
Molecular architecture of thylakoid membranes within intact spinach chloroplasts
Thylakoid membranes coordinate the light reactions of photosynthesis across multiple scales, coupling the architecture of an elaborate membrane network to the spatial organization of individual protei...
www.biorxiv.org
November 27, 2024 at 6:55 AM
This one was delayed for a while… apologies to the musicians. Collab with Matt, Will and Lorna (over on Twitter). And a great dev effort from Lorenz @lorenzlamm.bsky.social. Ofc @cellarchlab.com team. Comment if you want to help. #teamthylakoid
www.biorxiv.org/content/10.1...
www.biorxiv.org/content/10.1...
Reposted by Matt Johnson
It took us seven years, but our collaboration with @profmattjohnson.bsky.social on the molecular architecture of plant thylakoids is finally online. Check it out! #PlantScience #TeamTomo 🧪🔬🧶🧬🌾
This one was delayed for a while… apologies to the musicians. Collab with Matt, Will and Lorna (over on Twitter). And a great dev effort from Lorenz @lorenzlamm.bsky.social. Ofc @cellarchlab.com team. Comment if you want to help. #teamthylakoid
www.biorxiv.org/content/10.1...
www.biorxiv.org/content/10.1...
Molecular architecture of thylakoid membranes within intact spinach chloroplasts
Thylakoid membranes coordinate the light reactions of photosynthesis across multiple scales, coupling the architecture of an elaborate membrane network to the spatial organization of individual protei...
www.biorxiv.org
November 27, 2024 at 7:16 AM
It took us seven years, but our collaboration with @profmattjohnson.bsky.social on the molecular architecture of plant thylakoids is finally online. Check it out! #PlantScience #TeamTomo 🧪🔬🧶🧬🌾
🥳New cryo tomography Preprint ☀️🌱🔬Molecular architecture of thylakoid membranes within intact spinach chloroplasts.
doi.org/10.1101/2024.1…
Proud to be part of this great work with
@cellarchlab.com
@wojwie.bsky.social
@sheffieldpps.bsky.social
doi.org/10.1101/2024.1…
Proud to be part of this great work with
@cellarchlab.com
@wojwie.bsky.social
@sheffieldpps.bsky.social
November 27, 2024 at 6:59 AM
🥳New cryo tomography Preprint ☀️🌱🔬Molecular architecture of thylakoid membranes within intact spinach chloroplasts.
doi.org/10.1101/2024.1…
Proud to be part of this great work with
@cellarchlab.com
@wojwie.bsky.social
@sheffieldpps.bsky.social
doi.org/10.1101/2024.1…
Proud to be part of this great work with
@cellarchlab.com
@wojwie.bsky.social
@sheffieldpps.bsky.social
Two great #PhDposition available in the Photosynthesis Research Group at Sheffield 🌞🌱🦠 Pls RT
tinyurl.com/5yhajrpp
tinyurl.com/4nsdu45s
Come and join us!
tinyurl.com/5yhajrpp
tinyurl.com/4nsdu45s
Come and join us!
November 27, 2024 at 6:44 AM
Two great #PhDposition available in the Photosynthesis Research Group at Sheffield 🌞🌱🦠 Pls RT
tinyurl.com/5yhajrpp
tinyurl.com/4nsdu45s
Come and join us!
tinyurl.com/5yhajrpp
tinyurl.com/4nsdu45s
Come and join us!
Reposted by Matt Johnson
www.biorxiv.org/content/10.1...
Great to see our paper on tethering FNR to PSI in Chlamydomonas out as a preprint @sheffieldpps.bsky.social
Great to see our paper on tethering FNR to PSI in Chlamydomonas out as a preprint @sheffieldpps.bsky.social
November 4, 2024 at 12:19 PM
www.biorxiv.org/content/10.1...
Great to see our paper on tethering FNR to PSI in Chlamydomonas out as a preprint @sheffieldpps.bsky.social
Great to see our paper on tethering FNR to PSI in Chlamydomonas out as a preprint @sheffieldpps.bsky.social