Tom Raaymakers
@tmraaymakers.bsky.social
Molecular phytopathologist at the Dutch National Plant Protection Organization/Netherlands Institute for Vectors, Invasive plants and Plant health (NIVIP)
Reposted by Tom Raaymakers
Save the CSIRO
Our national science & research agency is now facing more job cuts than under Tony Abbott
Call on the Albanese Govt to fund the scientists & research we need to tackle big issues we face from climate to food security and everything in between
www.davidpocock.com.au/save_our_csiro
Our national science & research agency is now facing more job cuts than under Tony Abbott
Call on the Albanese Govt to fund the scientists & research we need to tackle big issues we face from climate to food security and everything in between
www.davidpocock.com.au/save_our_csiro
November 19, 2025 at 9:49 AM
Save the CSIRO
Our national science & research agency is now facing more job cuts than under Tony Abbott
Call on the Albanese Govt to fund the scientists & research we need to tackle big issues we face from climate to food security and everything in between
www.davidpocock.com.au/save_our_csiro
Our national science & research agency is now facing more job cuts than under Tony Abbott
Call on the Albanese Govt to fund the scientists & research we need to tackle big issues we face from climate to food security and everything in between
www.davidpocock.com.au/save_our_csiro
Reposted by Tom Raaymakers
Postdoc position in my lab in Cologne starting early next year or latest in spring to get this exciting project started.
jobportal.uni-koeln.de/ausschreibun...
jobportal.uni-koeln.de/ausschreibun...
jobportal.uni-koeln.de
November 2, 2025 at 10:27 AM
Postdoc position in my lab in Cologne starting early next year or latest in spring to get this exciting project started.
jobportal.uni-koeln.de/ausschreibun...
jobportal.uni-koeln.de/ausschreibun...
Reposted by Tom Raaymakers
1/2 Want to become up to date with pangenomes and genome graphs and their history? Check out this fantastic review by @zbao.bsky.social!
Complexity welcome: Pangenome graphs for comprehensive population genomics
#pangenomes #plantscience #genomegraphs
www.cambridge.org/core/journal...
Complexity welcome: Pangenome graphs for comprehensive population genomics
#pangenomes #plantscience #genomegraphs
www.cambridge.org/core/journal...
October 27, 2025 at 5:53 PM
1/2 Want to become up to date with pangenomes and genome graphs and their history? Check out this fantastic review by @zbao.bsky.social!
Complexity welcome: Pangenome graphs for comprehensive population genomics
#pangenomes #plantscience #genomegraphs
www.cambridge.org/core/journal...
Complexity welcome: Pangenome graphs for comprehensive population genomics
#pangenomes #plantscience #genomegraphs
www.cambridge.org/core/journal...
Reposted by Tom Raaymakers
The early bird 🐥 registration for the 8th International Bacterial Wilt Symposium has been extended until the 15th of November! To join those who have already registered visit our website 👉https://event.wur.nl/ibws2026
https://event.wur.nl/ibws2026
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event.wur.nl
October 27, 2025 at 10:27 AM
The early bird 🐥 registration for the 8th International Bacterial Wilt Symposium has been extended until the 15th of November! To join those who have already registered visit our website 👉https://event.wur.nl/ibws2026
Reposted by Tom Raaymakers
Engineering the C-tail of the versatile Arabidopsis immune receptor RLP23 enhances pathogen resistance in rice and poplar!
Congrats to Andrea Gust and her group at #ZMBP 👏👏👏
#MPMI #EvoMPMI #plantsci
Congrats to Andrea Gust and her group at #ZMBP 👏👏👏
#MPMI #EvoMPMI #plantsci
Engineered pattern recognition receptors enhance broad-spectrum plant resistance - @zmbp-tuebingen.bsky.social go.nature.com/474nnA9
October 14, 2025 at 6:34 AM
Reposted by Tom Raaymakers
Pervasive splicing in a plant DNA virus https://www.biorxiv.org/content/10.1101/2025.10.01.679800v1
October 2, 2025 at 4:03 PM
Pervasive splicing in a plant DNA virus https://www.biorxiv.org/content/10.1101/2025.10.01.679800v1
Reposted by Tom Raaymakers
Great job by Erin for her first ever oral presentation. #SOLRUB2025 Our paper describing part of the work presented can be found here: link.springer.com/article/10.1...
September 24, 2025 at 2:43 PM
Great job by Erin for her first ever oral presentation. #SOLRUB2025 Our paper describing part of the work presented can be found here: link.springer.com/article/10.1...
Reposted by Tom Raaymakers
Reposted by Tom Raaymakers
My department at UC Davis is hiring a mycologist, broadly interpreted. Please repost, share, and consider applying. recruit.ucdavis.edu/JPF07339
Assistant Professor of Plant Pathology
University of California, Davis is hiring. Apply now!
recruit.ucdavis.edu
September 22, 2025 at 5:36 PM
My department at UC Davis is hiring a mycologist, broadly interpreted. Please repost, share, and consider applying. recruit.ucdavis.edu/JPF07339
Reposted by Tom Raaymakers
The latest paper from our work on DMR6. Genetic suppression of growth reduction in the Arabidopsis dmr6_dlo1 mutant. Results of the forward genetics screen by Tijmen van Butselaar💪🏻. Interested… read the paper😄. onlinelibrary.willen.com/doi/10.1111/...
Genetic suppressors of the growth‐immunity trade‐off in the Arabidopsis salicylic acid‐accumulating dmr6 dlo1 mutant
This study reveals genetic factors underlying the salicylic acid (SA)-mediated growth-immunity tradeoff in plants by identifying suppressor mutants with restored growth in the background of the highl...
onlinelibrary.wiley.com
September 21, 2025 at 5:41 PM
The latest paper from our work on DMR6. Genetic suppression of growth reduction in the Arabidopsis dmr6_dlo1 mutant. Results of the forward genetics screen by Tijmen van Butselaar💪🏻. Interested… read the paper😄. onlinelibrary.willen.com/doi/10.1111/...
Reposted by Tom Raaymakers
One more week to apply for an open PhD position in my team at Utrecht University. Interested in genetics, genomics, bioinformatics, microorganisms and plant-microbiota interactions, don't hesitate and apply! www.uu.nl/en/organisat...
PhD Position on Decoding Plant Microbiota–Host Specificity Using AI
Join us to generate data and build AI-driven models to decode plant–microbiota host specificity!
www.uu.nl
June 6, 2025 at 6:33 PM
One more week to apply for an open PhD position in my team at Utrecht University. Interested in genetics, genomics, bioinformatics, microorganisms and plant-microbiota interactions, don't hesitate and apply! www.uu.nl/en/organisat...
Reposted by Tom Raaymakers
Reposted by Tom Raaymakers
So -- What are Ralstonia and why are they goopy?
Ralstonia are bacterial pathogens of plants. They colonize and clog the water-transporting xylem vessels, causing rapid-onset wilt disease—they can fatally wilt plants within days.
This timelapse by Jonathan Jacobs shows a sped-up time-course.
Ralstonia are bacterial pathogens of plants. They colonize and clog the water-transporting xylem vessels, causing rapid-onset wilt disease—they can fatally wilt plants within days.
This timelapse by Jonathan Jacobs shows a sped-up time-course.
May 23, 2025 at 3:45 PM
So -- What are Ralstonia and why are they goopy?
Ralstonia are bacterial pathogens of plants. They colonize and clog the water-transporting xylem vessels, causing rapid-onset wilt disease—they can fatally wilt plants within days.
This timelapse by Jonathan Jacobs shows a sped-up time-course.
Ralstonia are bacterial pathogens of plants. They colonize and clog the water-transporting xylem vessels, causing rapid-onset wilt disease—they can fatally wilt plants within days.
This timelapse by Jonathan Jacobs shows a sped-up time-course.
Reposted by Tom Raaymakers
Plant pathogens getting funky
Wow: check it out; these fungi distribute their chromosomes across different nuclei!
Normally each nucleus has a complete set of all chromosomes.
Distribution of haploid chromosomes into separate nuclei in two pathogenic fungi | Science www.science.org/doi/10.1126/...
Normally each nucleus has a complete set of all chromosomes.
Distribution of haploid chromosomes into separate nuclei in two pathogenic fungi | Science www.science.org/doi/10.1126/...
Distribution of haploid chromosomes into separate nuclei in two pathogenic fungi
Nuclei define eukaryotes, enabling macromolecular compartmentalization and cellular regulation. Each nucleus is believed to contain one or more haploid sets of chromosomes (1N). However, we discovered...
www.science.org
May 16, 2025 at 4:02 AM
Plant pathogens getting funky
Reposted by Tom Raaymakers
Super cool #bioinformatics tool alert: @widdowquinn.bsky.social group releases PyANI-plus, a flexible tool for exploring whole-genome similarity on large AND detailed scales. Walkthrough available below!
pyANI-plus walkthrough – pyANI-plus
pyani-plus.github.io
May 15, 2025 at 3:11 PM
Super cool #bioinformatics tool alert: @widdowquinn.bsky.social group releases PyANI-plus, a flexible tool for exploring whole-genome similarity on large AND detailed scales. Walkthrough available below!
Reposted by Tom Raaymakers
New vacancy in my team!
PhD student position on microbial genome evolution, focusing on the evolutionary principles underlying bacterial genome architecture.
Please repost and share with talented MSc students in #evobio, bioinformatics or related :)
www.uu.nl/en/organisat...
#MEvoSky #MicroSky
PhD student position on microbial genome evolution, focusing on the evolutionary principles underlying bacterial genome architecture.
Please repost and share with talented MSc students in #evobio, bioinformatics or related :)
www.uu.nl/en/organisat...
#MEvoSky #MicroSky
May 14, 2025 at 2:07 PM
New vacancy in my team!
PhD student position on microbial genome evolution, focusing on the evolutionary principles underlying bacterial genome architecture.
Please repost and share with talented MSc students in #evobio, bioinformatics or related :)
www.uu.nl/en/organisat...
#MEvoSky #MicroSky
PhD student position on microbial genome evolution, focusing on the evolutionary principles underlying bacterial genome architecture.
Please repost and share with talented MSc students in #evobio, bioinformatics or related :)
www.uu.nl/en/organisat...
#MEvoSky #MicroSky
Reposted by Tom Raaymakers
Wow
www.biorxiv.org/content/10.1...
A cellular entity retaining only its replicative core: Hidden archaeal lineage with an ultra-reduced genome
www.biorxiv.org/content/10.1...
A cellular entity retaining only its replicative core: Hidden archaeal lineage with an ultra-reduced genome
May 6, 2025 at 2:09 PM
Wow
www.biorxiv.org/content/10.1...
A cellular entity retaining only its replicative core: Hidden archaeal lineage with an ultra-reduced genome
www.biorxiv.org/content/10.1...
A cellular entity retaining only its replicative core: Hidden archaeal lineage with an ultra-reduced genome
Reposted by Tom Raaymakers
New Paper out!
apsjournals.apsnet.org/doi/epdf/10....
We wanted to know how much genetic variation exists for Zymoseptoria in a single wheat field.
apsjournals.apsnet.org/doi/epdf/10....
We wanted to know how much genetic variation exists for Zymoseptoria in a single wheat field.
Zymoseptoria tritici Show Local Differences in Within-Field Diversity and Effector Variation
apsjournals.apsnet.org
April 25, 2025 at 4:47 AM
New Paper out!
apsjournals.apsnet.org/doi/epdf/10....
We wanted to know how much genetic variation exists for Zymoseptoria in a single wheat field.
apsjournals.apsnet.org/doi/epdf/10....
We wanted to know how much genetic variation exists for Zymoseptoria in a single wheat field.
Reposted by Tom Raaymakers
Hope to see lots of interesting Ralstonia research in Wageningen next year!
The 8th International Bacterial Wilt Symposium (8th IBWS2026) will be held on 22-26 March 2026 in Wageningen, the Netherlands. The preparations regarding its organization are in full progress! Follow us to stay updated 🧫🌱👩🔬
April 24, 2025 at 9:41 AM
Hope to see lots of interesting Ralstonia research in Wageningen next year!
Reposted by Tom Raaymakers
The 8th International Bacterial Wilt Symposium (8th IBWS2026) will be held on 22-26 March 2026 in Wageningen, the Netherlands. The preparations regarding its organization are in full progress! Follow us to stay updated 🧫🌱👩🔬
April 24, 2025 at 8:05 AM
The 8th International Bacterial Wilt Symposium (8th IBWS2026) will be held on 22-26 March 2026 in Wageningen, the Netherlands. The preparations regarding its organization are in full progress! Follow us to stay updated 🧫🌱👩🔬
Reposted by Tom Raaymakers
GTDB release 10 based on RefSeq 226 (R10-RS226) is live at gtdb.ecogenomic.org. This release covers 732,475 genomes (22% increase) and has 143,6141 species clusters (37% increase). Release notes at: forum.gtdb.ecogenomic.org/t/announcing.... Release statistics at: gtdb.ecogenomic.org/stats/r226.
GTDB - Genome Taxonomy Database
The Genome Taxonomy Database (GTDB) is an initiative to establish a standardised microbial taxonomy based on genome phylogeny.
gtdb.ecogenomic.org
April 18, 2025 at 7:13 PM
GTDB release 10 based on RefSeq 226 (R10-RS226) is live at gtdb.ecogenomic.org. This release covers 732,475 genomes (22% increase) and has 143,6141 species clusters (37% increase). Release notes at: forum.gtdb.ecogenomic.org/t/announcing.... Release statistics at: gtdb.ecogenomic.org/stats/r226.
Reposted by Tom Raaymakers
Glad we found the perfect home in a community journal including a read and publish open access agreement. "Long-read genomics reveal extensive nuclear-specific evolution and allele-specific expression in a dikaryotic fungus" genome.cshlp.org/content/earl...
Long-read genomics reveal extensive nuclear-specific evolution and allele-specific expression in a dikaryotic fungus
An international, peer-reviewed genome sciences journal featuring outstanding original research that offers novel insights into the biology of all organisms
genome.cshlp.org
April 14, 2025 at 4:45 AM
Glad we found the perfect home in a community journal including a read and publish open access agreement. "Long-read genomics reveal extensive nuclear-specific evolution and allele-specific expression in a dikaryotic fungus" genome.cshlp.org/content/earl...
Reposted by Tom Raaymakers
Our latest paper, in which @brinda.eu (along with @zaminiqbal.bsky.social and others) introduces phylogenetic compression for storage and search of enormous microbial genome libraries, was published today in @naturemethods.bsky.social:
rdcu.be/eg4OA
1/
rdcu.be/eg4OA
1/
Efficient and robust search of microbial genomes via phylogenetic compression
Nature Methods - Phylogenetic compression achieves performant and lossless compression of massive collections of microbial genomes, facilitating fast BLAST-like search and versatile alignment tasks.
rdcu.be
April 9, 2025 at 9:07 PM
Our latest paper, in which @brinda.eu (along with @zaminiqbal.bsky.social and others) introduces phylogenetic compression for storage and search of enormous microbial genome libraries, was published today in @naturemethods.bsky.social:
rdcu.be/eg4OA
1/
rdcu.be/eg4OA
1/
Reposted by Tom Raaymakers
Last week, our newest @biorxiv-plants.bsky.social preprint saw the light, led by @wolki95.bsky.social and co-directed by Kathrin Wippel (SILS, Amsterdam): A gnotobiotic system reveals multifunctional effector roles in plant-fungal pathogen dynamics www.biorxiv.org/content/10.1...
A gnotobiotic system reveals multifunctional effector roles in plant-fungal pathogen dynamics
Plants host diverse microbiota that influence physiological processes and can enhance resilience against invading pathogens that, in turn, evolved effector proteins to manipulate host microbiota in th...
www.biorxiv.org
April 4, 2025 at 1:59 PM
Last week, our newest @biorxiv-plants.bsky.social preprint saw the light, led by @wolki95.bsky.social and co-directed by Kathrin Wippel (SILS, Amsterdam): A gnotobiotic system reveals multifunctional effector roles in plant-fungal pathogen dynamics www.biorxiv.org/content/10.1...
Reposted by Tom Raaymakers
Check out this blog post on the trials we performed at WUR Plant Breeding group in the EU #SAGROPIA project. We tested the effect of some new alternatives to current pesticides on aphids and Colorado Potato Beetle.
🚜🌿 Lab trials at @w-u-r.bsky.social have been testing some new alternatives to current pesticides! #SAGROPIA is exploring innovative solutions to protect crops while reducing chemical use. Learn more 🔗 sagropia.eu/sustainable-alternatives-pesticides-trials-wur #SustainableAgriculture
Exploring Sustainable Alternatives: SAGROPIA’s Greenhouse Trials Target Aphids in European Crops • SAGROPIA
When it comes to the ‘pests’ in pesticides, there’s perhaps none easier to picture than the creepy crawlies that can engulf and destroy entire crops if left unchecked. Researchers at the University of...
sagropia.eu
April 2, 2025 at 9:35 AM
Check out this blog post on the trials we performed at WUR Plant Breeding group in the EU #SAGROPIA project. We tested the effect of some new alternatives to current pesticides on aphids and Colorado Potato Beetle.