Rubén Alcázar
@polyamines.bsky.social
Associate professor at the University of Barcelona. I investigate in polyamines, plant defense and stress tolerance. Crop biostimulants. Dad, scientist and EU citizen. www.polyamines.org
Pinned
Rubén Alcázar
@polyamines.bsky.social
· Jan 30
Polyamines and flg22 reshape the ribosomal protein composition of actively translating ribosomes in plants
Polyamines are small, polycationic molecules with amino groups that are present in most living organisms. Studies indicate that polyamines increase ge…
www.sciencedirect.com
Polyamines and flg22 reshape the ribosomal protein composition of actively translating ribosomes in plants. Thanks to all co-authors for the wonderful collaboration. www.sciencedirect.com/science/arti...
La LOSU estableix que les universitats han de dotar-se d’un nou Estatut per complir la seva missió. Aquest matí, la UB ha aprovat el seu nou Estatut, després d’un procediment molt rigorós i altament participatiu. Una jornada històrica, en directe per UBtv www.ub.edu/ubtv/index.p...
Inici | UBtv
www.ub.edu
November 26, 2025 at 3:06 PM
La LOSU estableix que les universitats han de dotar-se d’un nou Estatut per complir la seva missió. Aquest matí, la UB ha aprovat el seu nou Estatut, després d’un procediment molt rigorós i altament participatiu. Una jornada històrica, en directe per UBtv www.ub.edu/ubtv/index.p...
Glad to be in the list. "La Universitat de Barcelona té 157 investigadors entre els més influents del món" - Actualitat - Universitat de Barcelona web.ub.edu/web/actualit...
La Universitat de Barcelona té 157 investigadors entre els més influents del món
web.ub.edu
October 13, 2025 at 5:40 PM
Glad to be in the list. "La Universitat de Barcelona té 157 investigadors entre els més influents del món" - Actualitat - Universitat de Barcelona web.ub.edu/web/actualit...
Reposted by Rubén Alcázar
I’m happy that our commentary is out! (It would be wonderful if this made a difference!)
In defense of funding foundational plant science academic.oup.com/plcell/artic...
In defense of funding foundational plant science academic.oup.com/plcell/artic...
In defense of funding foundational plant science
academic.oup.com
May 15, 2025 at 1:58 PM
I’m happy that our commentary is out! (It would be wonderful if this made a difference!)
In defense of funding foundational plant science academic.oup.com/plcell/artic...
In defense of funding foundational plant science academic.oup.com/plcell/artic...
Reposted by Rubén Alcázar
Please share & RSVP to join the November 25th webinar!
Hear from the 2025 Philip N. Benfey Arabidopsis Community Lifetime Achievement Awardees! bit.ly/naascawards
@plantevolution.bsky.social
Hear from the 2025 Philip N. Benfey Arabidopsis Community Lifetime Achievement Awardees! bit.ly/naascawards
@plantevolution.bsky.social
September 22, 2025 at 10:03 PM
Please share & RSVP to join the November 25th webinar!
Hear from the 2025 Philip N. Benfey Arabidopsis Community Lifetime Achievement Awardees! bit.ly/naascawards
@plantevolution.bsky.social
Hear from the 2025 Philip N. Benfey Arabidopsis Community Lifetime Achievement Awardees! bit.ly/naascawards
@plantevolution.bsky.social
Reposted by Rubén Alcázar
0.000008% of the federal budget.
And utterly, irreplaceably, priceless.
And utterly, irreplaceably, priceless.
Opinion | Why Did Elon Musk Go After Bunkers Full of Seeds? (Gift Article)
Gene banks are like a survivalist cache: our nation’s safeguard against all future challenges to growing the food we need.
www.nytimes.com
March 22, 2025 at 1:55 PM
0.000008% of the federal budget.
And utterly, irreplaceably, priceless.
And utterly, irreplaceably, priceless.
La Universitat de Barcelona atorga 112.000 euros a projectes de recerca amb gran potencial de transferència www.ub.edu/portal/web/f...
La-Universitat-de-Barcelona-atorga-112000-euros-a-projectes-de-recerca-amb-gran-potencial-de-transferencia - Facultat de Farmàcia i Ciències de l'Alimentació - Universitat de Barcelona
www.ub.edu
March 21, 2025 at 9:18 PM
La Universitat de Barcelona atorga 112.000 euros a projectes de recerca amb gran potencial de transferència www.ub.edu/portal/web/f...
Some complain a lot about paywalls in scientific literature, but say nothing on this another paywall at #TAIR $UsageUnits #ScienceBusiness
March 19, 2025 at 8:57 AM
Some complain a lot about paywalls in scientific literature, but say nothing on this another paywall at #TAIR $UsageUnits #ScienceBusiness
Jóvenes investigadores/as de Biología de Plantas! Últimos días para optar al Premio Sabater 2025 de la SEBP. 🏆+ info sebp.es/premio-sabat... Please RT!!
Premio Sabater 2025 - SEBP - Sociedad Española de Biología de Plantas
La Sociedad Española de Biología de Plantas convoca el Premio Sabater 2025 para jóvenes investigadoras/es El Premio se convoca cada dos años y reconoce la tarea de los y las jóvenes investigadores/as,...
sebp.es
March 5, 2025 at 11:08 AM
Jóvenes investigadores/as de Biología de Plantas! Últimos días para optar al Premio Sabater 2025 de la SEBP. 🏆+ info sebp.es/premio-sabat... Please RT!!
Reposted by Rubén Alcázar
How do leaf cell types respond to drought, and how does this vary among leaves of a rosette? Single-nucleus RNA seq of 600+ individual leaves along a drought time course
Stress drives plasticity in leaf maturation transcriptional dynamics https://www.biorxiv.org/content/10.1101/2025.02.24.639183v1
February 25, 2025 at 8:03 PM
How do leaf cell types respond to drought, and how does this vary among leaves of a rosette? Single-nucleus RNA seq of 600+ individual leaves along a drought time course
Reposted by Rubén Alcázar
COP9 SIGNALOSOME SUBUNIT 5A facilitates POLYAMINE OXIDASE 5 degradation to regulate strawberry plant growth and fruit ripening (Yun Huang, Jiahui Gao, Guiming Ji, Wenjing Li, Jiaxue Wang, Qinghua Wang, Yuanyue Shen, Jiaxuan Guo, Fan Gao) https://doi.org/10.1093/plcell/koaf022 @ASPB #PlantScience
February 5, 2025 at 9:35 PM
COP9 SIGNALOSOME SUBUNIT 5A facilitates POLYAMINE OXIDASE 5 degradation to regulate strawberry plant growth and fruit ripening (Yun Huang, Jiahui Gao, Guiming Ji, Wenjing Li, Jiaxue Wang, Qinghua Wang, Yuanyue Shen, Jiaxuan Guo, Fan Gao) https://doi.org/10.1093/plcell/koaf022 @ASPB #PlantScience
Reposted by Rubén Alcázar
Structure determinants of DANGEROUS MIX 3, an alpha/beta hydrolase, for triggering NLR-mediated genetic incompatibility in plants @EunyoungChae www.biorxiv.org/content/10.1...
February 20, 2025 at 2:58 PM
Structure determinants of DANGEROUS MIX 3, an alpha/beta hydrolase, for triggering NLR-mediated genetic incompatibility in plants @EunyoungChae www.biorxiv.org/content/10.1...
Polyamines and flg22 reshape the ribosomal protein composition of actively translating ribosomes in plants. Thanks to all co-authors for the wonderful collaboration. www.sciencedirect.com/science/arti...
Polyamines and flg22 reshape the ribosomal protein composition of actively translating ribosomes in plants
Polyamines are small, polycationic molecules with amino groups that are present in most living organisms. Studies indicate that polyamines increase ge…
www.sciencedirect.com
January 30, 2025 at 5:41 PM
Polyamines and flg22 reshape the ribosomal protein composition of actively translating ribosomes in plants. Thanks to all co-authors for the wonderful collaboration. www.sciencedirect.com/science/arti...
Reposted by Rubén Alcázar
Today, Director @raphmercier.bsky.social officially announced the new name of the main lecture hall at the MPIPZ Cologne:
"Jeff Schell Lecture Hall"
If you're wondering how Jeff earned the honor, have a look at my Short History of Plant Transformation:
peerj.com/preprints/27...
#PlantScience
"Jeff Schell Lecture Hall"
If you're wondering how Jeff earned the honor, have a look at my Short History of Plant Transformation:
peerj.com/preprints/27...
#PlantScience
January 29, 2025 at 1:07 PM
Today, Director @raphmercier.bsky.social officially announced the new name of the main lecture hall at the MPIPZ Cologne:
"Jeff Schell Lecture Hall"
If you're wondering how Jeff earned the honor, have a look at my Short History of Plant Transformation:
peerj.com/preprints/27...
#PlantScience
"Jeff Schell Lecture Hall"
If you're wondering how Jeff earned the honor, have a look at my Short History of Plant Transformation:
peerj.com/preprints/27...
#PlantScience
Reposted by Rubén Alcázar
Our latest @pnas.org! Preventing inappropriate signals pre- and post-ligand perception by a toggle switch mechanism of the plant receptor kinase ERECTA.
Its unique C-terminal alpha-helix domain inhibits the receptor active state. Congrats, all!🌱🥰
www.pnas.org/doi/epub/10....
Its unique C-terminal alpha-helix domain inhibits the receptor active state. Congrats, all!🌱🥰
www.pnas.org/doi/epub/10....
PNAS
Proceedings of the National Academy of Sciences (PNAS), a peer reviewed journal of the National Academy of Sciences (NAS) - an authoritative source of high-impact, original research that broadly spans...
www.pnas.org
January 22, 2025 at 4:49 PM
Our latest @pnas.org! Preventing inappropriate signals pre- and post-ligand perception by a toggle switch mechanism of the plant receptor kinase ERECTA.
Its unique C-terminal alpha-helix domain inhibits the receptor active state. Congrats, all!🌱🥰
www.pnas.org/doi/epub/10....
Its unique C-terminal alpha-helix domain inhibits the receptor active state. Congrats, all!🌱🥰
www.pnas.org/doi/epub/10....
Reposted by Rubén Alcázar
The latest version of Activity Metabolomics and Mass Spectrometry (AMMS 2025) is now in the proof stage. AMMS 2025 has two new chapters, lipids, and a lot of polishing. Still free as a PDF, and as royalty-free print version on Amazon.
Coming as soon as we get the proofs (and are happy with them).
Coming as soon as we get the proofs (and are happy with them).
January 24, 2025 at 8:22 PM
The latest version of Activity Metabolomics and Mass Spectrometry (AMMS 2025) is now in the proof stage. AMMS 2025 has two new chapters, lipids, and a lot of polishing. Still free as a PDF, and as royalty-free print version on Amazon.
Coming as soon as we get the proofs (and are happy with them).
Coming as soon as we get the proofs (and are happy with them).
Imagine how this will be in 50 years
40 years ago all of Genbank was published in print form by NAR. The same format today would require over 4 light seconds of shelf space. To a year of progress in 2025.
December 29, 2024 at 6:37 PM
Imagine how this will be in 50 years
Reposted by Rubén Alcázar
Trapping of spermine, Kukoamine A, and polyamine toxin blockers in GluK2 kainate receptor channels. @NatureComms Check the #cryoEM #structure of this #membrane #protein in UniTmp: https://pdbtm.unitmp.org/entry/9dxs
www.nature.com
December 18, 2024 at 7:57 AM
Trapping of spermine, Kukoamine A, and polyamine toxin blockers in GluK2 kainate receptor channels. @NatureComms Check the #cryoEM #structure of this #membrane #protein in UniTmp: https://pdbtm.unitmp.org/entry/9dxs
Reposted by Rubén Alcázar
Targeting #mitochondrial oxidative stress and polyamine synthesis can attenuate the #senescence via the unfolded protein response (UPR)
Why is is this important? Senescent cells in your brain can drive up inflammation + dementia
www.biorxiv.org/content/10.1...
Why is is this important? Senescent cells in your brain can drive up inflammation + dementia
www.biorxiv.org/content/10.1...
www.biorxiv.org
December 1, 2024 at 4:30 AM
Targeting #mitochondrial oxidative stress and polyamine synthesis can attenuate the #senescence via the unfolded protein response (UPR)
Why is is this important? Senescent cells in your brain can drive up inflammation + dementia
www.biorxiv.org/content/10.1...
Why is is this important? Senescent cells in your brain can drive up inflammation + dementia
www.biorxiv.org/content/10.1...
Reposted by Rubén Alcázar
Original (?) report of spermine precipitation for highly selective precipitation of DNA, back in 1981 - based on polyamine collapse of DNA chains and great for excluding stubborn contaminants and obtaining clean DNA. Don't know why it is not more widely used...
academic.oup.com/nar/article/...
academic.oup.com/nar/article/...
December 21, 2024 at 12:21 PM
Original (?) report of spermine precipitation for highly selective precipitation of DNA, back in 1981 - based on polyamine collapse of DNA chains and great for excluding stubborn contaminants and obtaining clean DNA. Don't know why it is not more widely used...
academic.oup.com/nar/article/...
academic.oup.com/nar/article/...
Dear reviewers. Reviewing is not writing a wishing list of impossible workload. I never did that.
December 10, 2024 at 3:45 PM
Dear reviewers. Reviewing is not writing a wishing list of impossible workload. I never did that.
Reposted by Rubén Alcázar
Polyamines promote disordered protein phase separation https://www.biorxiv.org/content/10.1101/2024.05.10.593468v1
Polyamines promote disordered protein phase separation https://www.biorxiv.org/content/10.1101/2024.05.10.593468v1
Membrane-less organelles are spatially heterogenous deposits of interacting macromolecules, often in
www.biorxiv.org
May 11, 2024 at 3:46 AM
Polyamines promote disordered protein phase separation https://www.biorxiv.org/content/10.1101/2024.05.10.593468v1
Reposted by Rubén Alcázar
Capturing carbon from the air #Nature
"The new porous material for capturing carbon dioxide, called a covalent organic framework, has hexagonal channels decorated with polyamines that efficiently bind carbon dioxide molecules at concentrations found in ambient air."
www.nature.com/articles/s41...
"The new porous material for capturing carbon dioxide, called a covalent organic framework, has hexagonal channels decorated with polyamines that efficiently bind carbon dioxide molecules at concentrations found in ambient air."
www.nature.com/articles/s41...
December 9, 2024 at 3:41 AM
Capturing carbon from the air #Nature
"The new porous material for capturing carbon dioxide, called a covalent organic framework, has hexagonal channels decorated with polyamines that efficiently bind carbon dioxide molecules at concentrations found in ambient air."
www.nature.com/articles/s41...
"The new porous material for capturing carbon dioxide, called a covalent organic framework, has hexagonal channels decorated with polyamines that efficiently bind carbon dioxide molecules at concentrations found in ambient air."
www.nature.com/articles/s41...
Reposted by Rubén Alcázar
Soil microbiomes show consistent and predictable responses to extreme events
We’re out in Nature !! doi.org/ntzk Very exciting for my first bluesky post! – it’s been a long haul by an excellent team from across Europe, led by @frantecol.bsky.social
We’re out in Nature !! doi.org/ntzk Very exciting for my first bluesky post! – it’s been a long haul by an excellent team from across Europe, led by @frantecol.bsky.social
Soil microbiomes show consistent and predictable responses to extreme events - Nature
Soils from 30 grasslands across Europe were subjected to 4 contrasting extreme climatic events under drought, flood, freezing and heat conditions, with the results suggesting that soil microbiomes fro...
doi.org
November 27, 2024 at 6:29 PM
Soil microbiomes show consistent and predictable responses to extreme events
We’re out in Nature !! doi.org/ntzk Very exciting for my first bluesky post! – it’s been a long haul by an excellent team from across Europe, led by @frantecol.bsky.social
We’re out in Nature !! doi.org/ntzk Very exciting for my first bluesky post! – it’s been a long haul by an excellent team from across Europe, led by @frantecol.bsky.social
Ideas for a Xmas gift for your lab mates. #metabolomics
November 22, 2024 at 5:33 AM
Ideas for a Xmas gift for your lab mates. #metabolomics