Adam Hannan Parker
@adamahp.bsky.social
DNA (de)methylation and plant immune memory 🌱🧠
PhD and Research Technician in the Ton Lab at the University of Sheffield
PhD and Research Technician in the Ton Lab at the University of Sheffield
Reposted by Adam Hannan Parker
🌿 3 new PhD positions in the Ton lab @PPS_UoS. Part of the ERC project '#PlantMemo', exploring how plants remember & respond to stress.
🧬 PhD 1 (UK only)👉 www.findaphd.com/phds/project...
🦠 PhD 2 (UK & EU)👉 www.findaphd.com/phds/project...
🌱 PhD 3 (UK only)👉 www.findaphd.com/phds/project...
#PhD
🧬 PhD 1 (UK only)👉 www.findaphd.com/phds/project...
🦠 PhD 2 (UK & EU)👉 www.findaphd.com/phds/project...
🌱 PhD 3 (UK only)👉 www.findaphd.com/phds/project...
#PhD
November 11, 2025 at 7:19 PM
🌿 3 new PhD positions in the Ton lab @PPS_UoS. Part of the ERC project '#PlantMemo', exploring how plants remember & respond to stress.
🧬 PhD 1 (UK only)👉 www.findaphd.com/phds/project...
🦠 PhD 2 (UK & EU)👉 www.findaphd.com/phds/project...
🌱 PhD 3 (UK only)👉 www.findaphd.com/phds/project...
#PhD
🧬 PhD 1 (UK only)👉 www.findaphd.com/phds/project...
🦠 PhD 2 (UK & EU)👉 www.findaphd.com/phds/project...
🌱 PhD 3 (UK only)👉 www.findaphd.com/phds/project...
#PhD
Reposted by Adam Hannan Parker
Really nice study on the evolutionary dynamics of TEs in maize by @jrossibarra.bsky.social and colleagues 👇
www.biorxiv.org/content/10.1...
www.biorxiv.org/content/10.1...
Genome-wide selection on transposable elements in maize
While most evolutionary research has focused on single nucleotide polymorphisms (SNPs), transposable elements (TEs) represent a major but understudied source of mutations that can influence organismal...
www.biorxiv.org
October 23, 2025 at 6:36 AM
Really nice study on the evolutionary dynamics of TEs in maize by @jrossibarra.bsky.social and colleagues 👇
www.biorxiv.org/content/10.1...
www.biorxiv.org/content/10.1...
Reposted by Adam Hannan Parker
FRET sensor for SA developed. www.science.org/doi/10.1126/...
SALICYLIC ACID SENSOR1 reveals the propagation of an SA hormone surge during plant pathogen advance
Salicylic acid (SA) is a key phytohormone that orchestrates immune responses against pathogens, including Pseudomonas syringae bacteria. The timing and extent of SA accumulation are tightly controlled...
www.science.org
October 9, 2025 at 9:11 PM
FRET sensor for SA developed. www.science.org/doi/10.1126/...
Reposted by Adam Hannan Parker
Happy to share the results of a long-haul post-doc project, now online @science.org, aiming at understanding the rules of transgeneration epigenetic inheritance over TEs in plants and its extent and impact in nature. More below!
doi.org/10.1126/scie...
doi.org/10.1126/scie...
Transposable elements are vectors of recurrent transgenerational epigenetic inheritance
DNA methylation loss at transposable elements (TEs) can affect neighboring genes and be epigenetically inherited in plants, yet the determinants and significance of this additional system of inheritan...
doi.org
September 18, 2025 at 6:35 PM
Happy to share the results of a long-haul post-doc project, now online @science.org, aiming at understanding the rules of transgeneration epigenetic inheritance over TEs in plants and its extent and impact in nature. More below!
doi.org/10.1126/scie...
doi.org/10.1126/scie...
Very excited to finally share the main findings from my PhD, now out as a preprint!
We developed an epigenetic system to understand how plants remember and forget past infections - a phenomenon known as immune memory 🌱🧬🧠
Highlights below! 1/9
www.biorxiv.org/content/10.1...
We developed an epigenetic system to understand how plants remember and forget past infections - a phenomenon known as immune memory 🌱🧬🧠
Highlights below! 1/9
www.biorxiv.org/content/10.1...
From recall to reset: the role of DNA (de)methylation in modulating plant immune memory
Epigenetic reprogramming is increasingly recognised as a driver of plant immune memory, yet its molecular basis remains poorly understood. Using a chemically inducible transgene in Arabidopsis, we tra...
www.biorxiv.org
August 21, 2025 at 7:11 AM
Very excited to finally share the main findings from my PhD, now out as a preprint!
We developed an epigenetic system to understand how plants remember and forget past infections - a phenomenon known as immune memory 🌱🧬🧠
Highlights below! 1/9
www.biorxiv.org/content/10.1...
We developed an epigenetic system to understand how plants remember and forget past infections - a phenomenon known as immune memory 🌱🧬🧠
Highlights below! 1/9
www.biorxiv.org/content/10.1...
From recall to reset: the role of DNA (de)methylation in modulating plant immune memory
Epigenetic reprogramming is increasingly recognised as a driver of plant immune memory, yet its molecular basis remains poorly understood. Using a chemically inducible transgene in Arabidopsis, we tra...
www.biorxiv.org
August 19, 2025 at 8:02 PM
Very excited to finally share the main findings from my PhD, now out as a preprint!
We developed an epigenetic system to understand how plants remember and forget past infections - a phenomenon known as immune memory 🌱🧬🧠
Highlights below! 1/9
www.biorxiv.org/content/10.1...
We developed an epigenetic system to understand how plants remember and forget past infections - a phenomenon known as immune memory 🌱🧬🧠
Highlights below! 1/9
www.biorxiv.org/content/10.1...
Reposted by Adam Hannan Parker
Plants remember stress! The PlantMemo project, led by @jurriaanton.bsky.social, has secured an ERC Advanced Grant for an exciting project decoding how stress “memories” boost plant resilience—paving the way for hardier crops.
🔗 www.sheffield.ac.uk/biosciences/...
#PlantScience #PlantImmunity #ERC
🔗 www.sheffield.ac.uk/biosciences/...
#PlantScience #PlantImmunity #ERC
New research aims to unlock stressful plant memories
New research led by Prof Jurriaan Ton aims to uncover how plants adapt and survive in challenging environments with the ultimate goal to create more resilient crops.
www.sheffield.ac.uk
June 18, 2025 at 11:29 AM
Plants remember stress! The PlantMemo project, led by @jurriaanton.bsky.social, has secured an ERC Advanced Grant for an exciting project decoding how stress “memories” boost plant resilience—paving the way for hardier crops.
🔗 www.sheffield.ac.uk/biosciences/...
#PlantScience #PlantImmunity #ERC
🔗 www.sheffield.ac.uk/biosciences/...
#PlantScience #PlantImmunity #ERC
Reposted by Adam Hannan Parker
📜 Herbivory-induced green leaf volatiles increase plant performance through jasmonate-dependent plant–soil feedbacks
🧑🔬 Lingfei Hu, Meng Ye, @matthiaserb.bsky.social, Jianming Xu, et al.
📔 @natplants.nature.com
🔗 www.nature.com/articles/s41...
#️⃣ #PlantScience #PlantImmunity #Herbivory
🧑🔬 Lingfei Hu, Meng Ye, @matthiaserb.bsky.social, Jianming Xu, et al.
📔 @natplants.nature.com
🔗 www.nature.com/articles/s41...
#️⃣ #PlantScience #PlantImmunity #Herbivory
Herbivory-induced green leaf volatiles increase plant performance through jasmonate-dependent plant–soil feedbacks - Nature Plants
This study reports that herbivory-induced volatiles can trigger plant–soil feedbacks that boost performance and yields of cereals in the field.
www.nature.com
May 6, 2025 at 4:19 AM
📜 Herbivory-induced green leaf volatiles increase plant performance through jasmonate-dependent plant–soil feedbacks
🧑🔬 Lingfei Hu, Meng Ye, @matthiaserb.bsky.social, Jianming Xu, et al.
📔 @natplants.nature.com
🔗 www.nature.com/articles/s41...
#️⃣ #PlantScience #PlantImmunity #Herbivory
🧑🔬 Lingfei Hu, Meng Ye, @matthiaserb.bsky.social, Jianming Xu, et al.
📔 @natplants.nature.com
🔗 www.nature.com/articles/s41...
#️⃣ #PlantScience #PlantImmunity #Herbivory
Reposted by Adam Hannan Parker
I'm thrilled to share that our study is now published in Cell:
Extensive N4 cytosine methylation is essential for Marchantia sperm function.
www.cell.com/cell/fulltex...
This paper confirms our 4mC discovery in Marchantia sperm and takes it much further.
A thread: 0/13
Extensive N4 cytosine methylation is essential for Marchantia sperm function.
www.cell.com/cell/fulltex...
This paper confirms our 4mC discovery in Marchantia sperm and takes it much further.
A thread: 0/13
Extensive N4 cytosine methylation is essential for Marchantia sperm function
Global N4 cytosine methylation in Marchantia polymorpha sperm regulates gene expression
and promotes sperm fertility.
www.cell.com
April 9, 2025 at 5:15 PM
I'm thrilled to share that our study is now published in Cell:
Extensive N4 cytosine methylation is essential for Marchantia sperm function.
www.cell.com/cell/fulltex...
This paper confirms our 4mC discovery in Marchantia sperm and takes it much further.
A thread: 0/13
Extensive N4 cytosine methylation is essential for Marchantia sperm function.
www.cell.com/cell/fulltex...
This paper confirms our 4mC discovery in Marchantia sperm and takes it much further.
A thread: 0/13
Reposted by Adam Hannan Parker
‼️we are pleased to share the first work coming from my lab on biorxiv.
Misregulation of the jasmonate signaling pathway leads to altered plant microbiota interaction and plant stress responses biorxiv.org/content/10.1...
1/n
Misregulation of the jasmonate signaling pathway leads to altered plant microbiota interaction and plant stress responses biorxiv.org/content/10.1...
1/n
Misregulation of the jasmonate signaling pathway leads to altered plant microbiota interaction and plant stress responses
The model plant Arabidopsis thaliana hosts diverse microbial communities collectively known as the microbiota. The plant microbiota is generally taxonomically structured. Some of the members can promo...
biorxiv.org
April 1, 2025 at 1:44 AM
‼️we are pleased to share the first work coming from my lab on biorxiv.
Misregulation of the jasmonate signaling pathway leads to altered plant microbiota interaction and plant stress responses biorxiv.org/content/10.1...
1/n
Misregulation of the jasmonate signaling pathway leads to altered plant microbiota interaction and plant stress responses biorxiv.org/content/10.1...
1/n
does Arabidopsis thaliana cycle through generations faster in 24h light or is 16h optimal? struggling to find any papers on this .. #plantsci
March 25, 2025 at 8:52 AM
does Arabidopsis thaliana cycle through generations faster in 24h light or is 16h optimal? struggling to find any papers on this .. #plantsci
Reposted by Adam Hannan Parker
Very excited to share this new preprint from the lab (shorturl.at/l7lNq)! @hendersi.bsky.social si.bsky.social @camplantsci.bsky.social
CRISPR targeting of H3K4me3 activates gene expression and unlocks centromeric crossover recombination in Arabidopsis
H3K4me3 is a fundamental and highly conserved chromatin mark across eukaryotes, playing a central role in many genome-related processes, including transcription, maintenance of cell identity, DNA dama...
shorturl.at
February 12, 2025 at 8:42 AM
Very excited to share this new preprint from the lab (shorturl.at/l7lNq)! @hendersi.bsky.social si.bsky.social @camplantsci.bsky.social
Cool work from Jacobsen and colleagues.
Great to finally have published and public ROS1 Chip-Seq data !
#PlantScience
www.nature.com/articles/s41...
Great to finally have published and public ROS1 Chip-Seq data !
#PlantScience
www.nature.com/articles/s41...
Histone H3 lysine 4 methylation recruits DNA demethylases to enforce gene expression in Arabidopsis - Nature Plants
This study revealed that targeting H3K4me3 via the H3K4 methyltransferase SDG2 activates gene expression and removes DNA methylation by recruiting DNA demethylases. Conversely, the removal of H3K4me3 ...
www.nature.com
February 15, 2025 at 11:10 AM
Cool work from Jacobsen and colleagues.
Great to finally have published and public ROS1 Chip-Seq data !
#PlantScience
www.nature.com/articles/s41...
Great to finally have published and public ROS1 Chip-Seq data !
#PlantScience
www.nature.com/articles/s41...
Reposted by Adam Hannan Parker
Centrophilic retrotransposon integration via CENH3 chromatin in Arabidopsis from Tetsuji Kakutani & colleagues - beautiful insights into control of transposon insertion into the centromeres
www.nature.com/articles/s41...
www.nature.com/articles/s41...
Centrophilic retrotransposon integration via CENH3 chromatin in Arabidopsis - Nature
An Arabidopsis long terminal repeat retrotransposon integrates de novo into regions occupied by centromere-specific histone variant, showing the impact of centromeric chromatin on transposable element...
www.nature.com
January 2, 2025 at 5:24 PM
Centrophilic retrotransposon integration via CENH3 chromatin in Arabidopsis from Tetsuji Kakutani & colleagues - beautiful insights into control of transposon insertion into the centromeres
www.nature.com/articles/s41...
www.nature.com/articles/s41...
Reposted by Adam Hannan Parker
Transposon-triggered epigenetic chromatin dynamics modulate EFR-related pathogen response www.nature.com/articles/s41...
Transposon-triggered epigenetic chromatin dynamics modulate EFR-related pathogen response - Nature Structural & Molecular Biology
Here, the authors show that an inverted-repeat transposon located next to the pattern recognition receptor ELONGATION FACTOR-TU RECEPTOR (EFR)-encoding gene in Arabidopsis controls chromatin organizat...
www.nature.com
December 27, 2024 at 11:51 PM
Transposon-triggered epigenetic chromatin dynamics modulate EFR-related pathogen response www.nature.com/articles/s41...
Reposted by Adam Hannan Parker
A big congratulations to Dr @adamahp.bsky.social who passed his PhD viva! It was a pleasure to see Adam's excellent research accomplishments in plant epigenetic memory with @jurriaanton.bsky.social group, looking forward to reading papers from his super impressive thesis!
@sheffieldpps.bsky.social
@sheffieldpps.bsky.social
December 7, 2024 at 6:39 PM
A big congratulations to Dr @adamahp.bsky.social who passed his PhD viva! It was a pleasure to see Adam's excellent research accomplishments in plant epigenetic memory with @jurriaanton.bsky.social group, looking forward to reading papers from his super impressive thesis!
@sheffieldpps.bsky.social
@sheffieldpps.bsky.social
Exciting PhD project with @jurriaanton.bsky.social, @katiefield4.bsky.social, @psaima.bsky.social, @luketdunning.bsky.social.
Ecological costs and benefits of stress-induced epigenetic change in plants!
www.findaphd.com/phds/project...
Ecological costs and benefits of stress-induced epigenetic change in plants!
www.findaphd.com/phds/project...
ACCE+ DLA programme - EpiPlasticity: exploring the ecological and evolutionary significance of epigenetic defence plasticity at University of Sheffield on FindAPhD.com
PhD Project - ACCE+ DLA programme - EpiPlasticity: exploring the ecological and evolutionary significance of epigenetic defence plasticity at University of Sheffield, listed on FindAPhD.com
www.findaphd.com
December 7, 2024 at 2:28 PM
Exciting PhD project with @jurriaanton.bsky.social, @katiefield4.bsky.social, @psaima.bsky.social, @luketdunning.bsky.social.
Ecological costs and benefits of stress-induced epigenetic change in plants!
www.findaphd.com/phds/project...
Ecological costs and benefits of stress-induced epigenetic change in plants!
www.findaphd.com/phds/project...
ACCE+ DLA programme - EpiPlasticity: exploring the ecological and evolutionary significance of epigenetic defence plasticity at University of Sheffield on FindAPhD.com
PhD Project - ACCE+ DLA programme - EpiPlasticity: exploring the ecological and evolutionary significance of epigenetic defence plasticity at University of Sheffield, listed on FindAPhD.com
www.findaphd.com
December 7, 2024 at 2:27 PM
Exciting PhD project with @jurriaanton.bsky.social, @katiefield4.bsky.social, @psaima.bsky.social, @luketdunning.bsky.social.
Ecological costs and benefits of stress-induced epigenetic change in plants!
www.findaphd.com/phds/project...
Ecological costs and benefits of stress-induced epigenetic change in plants!
www.findaphd.com/phds/project...
www.nature.com/articles/s41....
It appears this hasn't circulated on Bluesky yet - still missing some people here!
Such a brilliant example of transposon domestication in plants, driven by environmental stress.
#plantscience
It appears this hasn't circulated on Bluesky yet - still missing some people here!
Such a brilliant example of transposon domestication in plants, driven by environmental stress.
#plantscience
Retrotransposon-driven environmental regulation of FLC leads to adaptive response to herbicide - Nature Plants
This study reports the discovery of a retrotransposon insertion in the FLC gene conferring an environmentally dependent control mechanism mediated by DNA methylation that drives the adaptation of natu...
www.nature.com
December 5, 2024 at 10:44 PM
www.nature.com/articles/s41....
It appears this hasn't circulated on Bluesky yet - still missing some people here!
Such a brilliant example of transposon domestication in plants, driven by environmental stress.
#plantscience
It appears this hasn't circulated on Bluesky yet - still missing some people here!
Such a brilliant example of transposon domestication in plants, driven by environmental stress.
#plantscience