Jerónimo Rodríguez-Beltrán
@jerorb.bsky.social
We study Antibiotic Resistance Ecology and Evolution · Ramón y Cajal University Hospital · Madrid · www.evodynamicslab.com
Pinned
Universal rules govern plasmid copy number - Nature Communications
Plasmids exhibit a broad range of sizes and copies per cell, and these two parameters appear to be negatively correlated. Here, Ramiro-Martínez et al. analyse the copy number of thousands of diverse b...
www.nature.com
🚨🚨New paper out in @natcomms.nature.com!!
Come for the first large-scale analysis of plasmid copy number across species,
stay for one of the most intriguing results of my lab: universal scaling laws in plasmid biology! 📈🧬
👉 www.nature.com/articles/s41...
Come for the first large-scale analysis of plasmid copy number across species,
stay for one of the most intriguing results of my lab: universal scaling laws in plasmid biology! 📈🧬
👉 www.nature.com/articles/s41...
Reposted by Jerónimo Rodríguez-Beltrán
Reposted by Jerónimo Rodríguez-Beltrán
Exciting news! I have two positions open in my lab at the UoManchester: one PDRA and one Research Tech.
Join our team to study evolutionary mycology and help us understand antifungal resistance in fungal pathogens. A fantastic opportunity to join the brilliant Manchester Fungal Infection Group!
Join our team to study evolutionary mycology and help us understand antifungal resistance in fungal pathogens. A fantastic opportunity to join the brilliant Manchester Fungal Infection Group!
November 5, 2025 at 3:35 PM
Exciting news! I have two positions open in my lab at the UoManchester: one PDRA and one Research Tech.
Join our team to study evolutionary mycology and help us understand antifungal resistance in fungal pathogens. A fantastic opportunity to join the brilliant Manchester Fungal Infection Group!
Join our team to study evolutionary mycology and help us understand antifungal resistance in fungal pathogens. A fantastic opportunity to join the brilliant Manchester Fungal Infection Group!
Reposted by Jerónimo Rodríguez-Beltrán
Join us tomorrow if you like plasmids and clones! @sandrareuter.bsky.social will be talking about a particular intriguing outbreak 🤓. @escmid.bsky.social
We invite you to the joint ESGEM & ESGMAP webinar:
👉 Dr. Sandra Reuter, University of Freiburg
“Tracking clonal and plasmid transmission in carbapenem- and colistin-resistant Klebsiella pneumoniae.”
📅 Date & Time: November 11, 2025, 12:00 PM CEST
🔗 Register here: us06web.zoom.us/webinar/regi...
👉 Dr. Sandra Reuter, University of Freiburg
“Tracking clonal and plasmid transmission in carbapenem- and colistin-resistant Klebsiella pneumoniae.”
📅 Date & Time: November 11, 2025, 12:00 PM CEST
🔗 Register here: us06web.zoom.us/webinar/regi...
Welcome! You are invited to join a webinar: ESGEM & ESGMAP: Tracking clonal and plasmid transmission in carbapenem- and colistin-resistant Klebsiella pneumoniae. After registering, you will receive a ...
Chairs: Natacha Couto & Elisabeth Grohmann
Speaker: Sandra Reuter
us06web.zoom.us
November 10, 2025 at 2:54 PM
Join us tomorrow if you like plasmids and clones! @sandrareuter.bsky.social will be talking about a particular intriguing outbreak 🤓. @escmid.bsky.social
Reposted by Jerónimo Rodríguez-Beltrán
🚨 Excited to share our new paper is out! 🎉
We show how interactions within gut microbiomes allow certain antibiotic-resistant E. coli strains to persist even without antibiotics, helping explain how resistance is maintained in the human gut.
Now published in @natcomms.nature.com rdcu.be/eOf63
We show how interactions within gut microbiomes allow certain antibiotic-resistant E. coli strains to persist even without antibiotics, helping explain how resistance is maintained in the human gut.
Now published in @natcomms.nature.com rdcu.be/eOf63
Multi-layered ecological interactions determine growth of clinical antibiotic-resistant strains within human microbiomes
Nature Communications - The role of ecological factors in modulating the spread of antibiotic-resistance bacteria in the gut remains unclear. Here, the authors use anaerobic microcosms to study the...
rdcu.be
November 7, 2025 at 9:15 AM
🚨 Excited to share our new paper is out! 🎉
We show how interactions within gut microbiomes allow certain antibiotic-resistant E. coli strains to persist even without antibiotics, helping explain how resistance is maintained in the human gut.
Now published in @natcomms.nature.com rdcu.be/eOf63
We show how interactions within gut microbiomes allow certain antibiotic-resistant E. coli strains to persist even without antibiotics, helping explain how resistance is maintained in the human gut.
Now published in @natcomms.nature.com rdcu.be/eOf63
Reposted by Jerónimo Rodríguez-Beltrán
Se busca candidat@ xa un contrato Juan de la Cierva en el lab @miguelmatilla.bsky.social en la @eezcsic.bsky.social (Granada). @canalugr.bsky.social @csic.es @csicdivulga.bsky.social
Info en: aei.gob.es/convocatorias/…
Las personas interesadas deben de ponerse vía: miguel.matilla@eez.csic.es
Info en: aei.gob.es/convocatorias/…
Las personas interesadas deben de ponerse vía: miguel.matilla@eez.csic.es
November 8, 2025 at 11:35 PM
Se busca candidat@ xa un contrato Juan de la Cierva en el lab @miguelmatilla.bsky.social en la @eezcsic.bsky.social (Granada). @canalugr.bsky.social @csic.es @csicdivulga.bsky.social
Info en: aei.gob.es/convocatorias/…
Las personas interesadas deben de ponerse vía: miguel.matilla@eez.csic.es
Info en: aei.gob.es/convocatorias/…
Las personas interesadas deben de ponerse vía: miguel.matilla@eez.csic.es
Reposted by Jerónimo Rodríguez-Beltrán
🚨New preprint out!
We present a foundational genomic resource of human gut microbiome viruses. It delivers high-quality, deeply curated data spanning taxonomy, predicted hosts, structures, and functions, providing a reference for gut virome research. (1/8)
www.biorxiv.org/content/10.1...
We present a foundational genomic resource of human gut microbiome viruses. It delivers high-quality, deeply curated data spanning taxonomy, predicted hosts, structures, and functions, providing a reference for gut virome research. (1/8)
www.biorxiv.org/content/10.1...
November 6, 2025 at 5:26 PM
🚨New preprint out!
We present a foundational genomic resource of human gut microbiome viruses. It delivers high-quality, deeply curated data spanning taxonomy, predicted hosts, structures, and functions, providing a reference for gut virome research. (1/8)
www.biorxiv.org/content/10.1...
We present a foundational genomic resource of human gut microbiome viruses. It delivers high-quality, deeply curated data spanning taxonomy, predicted hosts, structures, and functions, providing a reference for gut virome research. (1/8)
www.biorxiv.org/content/10.1...
Reposted by Jerónimo Rodríguez-Beltrán
We have an open PhD position (application deadline 9 January 2026) in "Theory of fitness landscapes" at @unibe.ch 🤓⛰️📊👩💻🎓: banklab.github.io/positions/
Please share widely!
#QueerInSTEM #DisabledInSTEM #BlackInSTEM #WomenInSTEM #CarersInSTEM #AcademicSky #HigherED
Please share widely!
#QueerInSTEM #DisabledInSTEM #BlackInSTEM #WomenInSTEM #CarersInSTEM #AcademicSky #HigherED
October 28, 2025 at 4:22 PM
We have an open PhD position (application deadline 9 January 2026) in "Theory of fitness landscapes" at @unibe.ch 🤓⛰️📊👩💻🎓: banklab.github.io/positions/
Please share widely!
#QueerInSTEM #DisabledInSTEM #BlackInSTEM #WomenInSTEM #CarersInSTEM #AcademicSky #HigherED
Please share widely!
#QueerInSTEM #DisabledInSTEM #BlackInSTEM #WomenInSTEM #CarersInSTEM #AcademicSky #HigherED
Reposted by Jerónimo Rodríguez-Beltrán
New pre-print: Plasmid dependent phage effectively eliminate AMR bacteria and block plasmid transmission in the chicken gut microbiome
Fun collaboration with Tao He lab (JAAS) and @brockhurstlab.bsky.social lab (Manchester)
#phagesky#microsky
www.biorxiv.org/content/10.1...
Fun collaboration with Tao He lab (JAAS) and @brockhurstlab.bsky.social lab (Manchester)
#phagesky#microsky
www.biorxiv.org/content/10.1...
Plasmid dependent phage eliminate pathogenic bacteria and antibiotic resistance plasmids from the chicken gut microbiome
Conjugative plasmids are a key reservoir of antimicrobial resistance (AMR) in commensal and pathogenic bacteria within the gut microbiome. Plasmid-dependent phage (PDPs) are a promising therapeutic op...
www.biorxiv.org
October 27, 2025 at 8:19 AM
New pre-print: Plasmid dependent phage effectively eliminate AMR bacteria and block plasmid transmission in the chicken gut microbiome
Fun collaboration with Tao He lab (JAAS) and @brockhurstlab.bsky.social lab (Manchester)
#phagesky#microsky
www.biorxiv.org/content/10.1...
Fun collaboration with Tao He lab (JAAS) and @brockhurstlab.bsky.social lab (Manchester)
#phagesky#microsky
www.biorxiv.org/content/10.1...
Reposted by Jerónimo Rodríguez-Beltrán
Integrating theory and machine learning to reveal determinants of plasmid copy number https://www.biorxiv.org/content/10.1101/2025.10.23.684078v1
October 24, 2025 at 2:18 AM
Integrating theory and machine learning to reveal determinants of plasmid copy number https://www.biorxiv.org/content/10.1101/2025.10.23.684078v1
Reposted by Jerónimo Rodríguez-Beltrán
One of the most exciting works of my career, years in the making. We used high-throughput precision genome editing to test the fitness effects of thousands of natural variants. Our findings challenge the long-held assumption that common variants are inconsequential.
www.biorxiv.org/content/10.1...
www.biorxiv.org/content/10.1...
Massively parallel interrogation of the fitness of natural variants in ancient signaling pathways reveals pervasive local adaptation
The nature of standing genetic variation remains a central debate in population genetics, with differing perspectives on whether common variants are almost always neutral as suggested by neutral and n...
www.biorxiv.org
October 22, 2025 at 5:46 PM
One of the most exciting works of my career, years in the making. We used high-throughput precision genome editing to test the fitness effects of thousands of natural variants. Our findings challenge the long-held assumption that common variants are inconsequential.
www.biorxiv.org/content/10.1...
www.biorxiv.org/content/10.1...
Reposted by Jerónimo Rodríguez-Beltrán
New paper with my (amazing) friend and mentor @jrpenades.bsky.social
Really looking forward to see what plasmid aficionados think of this one!!
With @asantoslopez.bsky.social @wfigueroac3.bsky.social Akshay Sabins and others
www.cell.com/cell-reports...
Really looking forward to see what plasmid aficionados think of this one!!
With @asantoslopez.bsky.social @wfigueroac3.bsky.social Akshay Sabins and others
www.cell.com/cell-reports...
Non-conjugative plasmids limit their mobility to persist in nature
Sabnis et al. explain why non-conjugative plasmids move at a low rate in nature. While
increased mobility can easily evolve by incorporating phage DNA into plasmids, this
is disadvantageous because it...
www.cell.com
October 22, 2025 at 1:12 PM
New paper with my (amazing) friend and mentor @jrpenades.bsky.social
Really looking forward to see what plasmid aficionados think of this one!!
With @asantoslopez.bsky.social @wfigueroac3.bsky.social Akshay Sabins and others
www.cell.com/cell-reports...
Really looking forward to see what plasmid aficionados think of this one!!
With @asantoslopez.bsky.social @wfigueroac3.bsky.social Akshay Sabins and others
www.cell.com/cell-reports...
Reposted by Jerónimo Rodríguez-Beltrán
Dissecting the fitness effects of a carbapenem resistance plasmid in clinical Enterobacterales using plasmid-wide CRISPRi screens
@aliciapcv.bsky.social @jorgesastred.bsky.social @sanmillan.bsky.social @cnb-csic.bsky.social
#bacteria #plasmids
@aliciapcv.bsky.social @jorgesastred.bsky.social @sanmillan.bsky.social @cnb-csic.bsky.social
#bacteria #plasmids
Dissecting pOXA-48 fitness effects in clinical Enterobacterales using plasmid-wide CRISPRi screens - Nature Communications
This study investigates the effects of the carbapenem resistance plasmid pOXA-48 in clinical enterobacteria. Using CRISPRi screens, the authors revealed that the carbapenemase OXA-48 has a role in the plasmid-associated fitness costs.
bit.ly
October 17, 2025 at 4:56 PM
Dissecting the fitness effects of a carbapenem resistance plasmid in clinical Enterobacterales using plasmid-wide CRISPRi screens
@aliciapcv.bsky.social @jorgesastred.bsky.social @sanmillan.bsky.social @cnb-csic.bsky.social
#bacteria #plasmids
@aliciapcv.bsky.social @jorgesastred.bsky.social @sanmillan.bsky.social @cnb-csic.bsky.social
#bacteria #plasmids
Reposted by Jerónimo Rodríguez-Beltrán
1/3 To those interested in microbial iron & metal transport: In 1992, the late JB Neilands (UCB), the pioneer in the study of Fe transport entrusted me with his collection of purified siderophores from a wide range of microbes—many of them unique chemical species that can no longer be reproduced
October 14, 2025 at 2:54 PM
1/3 To those interested in microbial iron & metal transport: In 1992, the late JB Neilands (UCB), the pioneer in the study of Fe transport entrusted me with his collection of purified siderophores from a wide range of microbes—many of them unique chemical species that can no longer be reproduced
Reposted by Jerónimo Rodríguez-Beltrán
Our latest work reveals that arbitrium phages cross-communicate across species! These tiny viruses “listen” to signals from others, coordinating lysis-lysogeny decisions across species.
Original idea from @albertomarina.bsky.social and, as usual, he was right.
www.biorxiv.org/content/10.1...
Original idea from @albertomarina.bsky.social and, as usual, he was right.
www.biorxiv.org/content/10.1...
Phages communicate across species to shape microbial ecosystems
Arbitrium is a communication system that helps bacteriophages decide between lysis and lysogeny via secreted peptides. In arbitrium, the AimP peptide binds its cognate AimR receptor to repress aimX ex...
www.biorxiv.org
October 14, 2025 at 1:36 PM
Our latest work reveals that arbitrium phages cross-communicate across species! These tiny viruses “listen” to signals from others, coordinating lysis-lysogeny decisions across species.
Original idea from @albertomarina.bsky.social and, as usual, he was right.
www.biorxiv.org/content/10.1...
Original idea from @albertomarina.bsky.social and, as usual, he was right.
www.biorxiv.org/content/10.1...
Reposted by Jerónimo Rodríguez-Beltrán
After the coffee break, we had a round table about dealing with evolution of drug resistance & synergies among EvoMG fields. We had a panel representing the different related "areas": Isabel Veiga (Plasmodium), David Posada (Cancer), Jero Rodriguez (Bacteria), Ana Abecasis (Virus).
October 12, 2025 at 2:56 PM
After the coffee break, we had a round table about dealing with evolution of drug resistance & synergies among EvoMG fields. We had a panel representing the different related "areas": Isabel Veiga (Plasmodium), David Posada (Cancer), Jero Rodriguez (Bacteria), Ana Abecasis (Virus).
Reposted by Jerónimo Rodríguez-Beltrán
Evolution induced state shifts in a long-term microbial community experiment www.biorxiv.org/content/10.1...
Evolution induced state shifts in a long-term microbial community experiment
Biological communities are complex, dynamic systems that underpin ecosystem functionality, yet their long-term dynamics and predictability remain poorly understood. Understanding how Darwinian evoluti...
www.biorxiv.org
October 11, 2025 at 4:48 AM
Evolution induced state shifts in a long-term microbial community experiment www.biorxiv.org/content/10.1...
Reposted by Jerónimo Rodríguez-Beltrán
New pre-print www.biorxiv.org/content/10.1...
Plasmid-dependent phage (PDPs) are ubiquitous, but the selective pressures that they impose on plasmids are not well understood. Project led by Daniel Cazares in collaboration with @brockhurstlab.bsky.social!
#phagesky#microsky
Plasmid-dependent phage (PDPs) are ubiquitous, but the selective pressures that they impose on plasmids are not well understood. Project led by Daniel Cazares in collaboration with @brockhurstlab.bsky.social!
#phagesky#microsky
Trade-offs between phage resistance and conjugative ability shape the ecological and evolutionary response of a multidrug resistance plasmid to plasmid-dependent phage
Phage therapy is a promising alternative to antibiotics to treat multidrug resistant infections. Plasmid dependent phages (PDPs) are particularly attractive as therapeutics because they can both kill ...
www.biorxiv.org
October 9, 2025 at 10:07 AM
New pre-print www.biorxiv.org/content/10.1...
Plasmid-dependent phage (PDPs) are ubiquitous, but the selective pressures that they impose on plasmids are not well understood. Project led by Daniel Cazares in collaboration with @brockhurstlab.bsky.social!
#phagesky#microsky
Plasmid-dependent phage (PDPs) are ubiquitous, but the selective pressures that they impose on plasmids are not well understood. Project led by Daniel Cazares in collaboration with @brockhurstlab.bsky.social!
#phagesky#microsky
Reposted by Jerónimo Rodríguez-Beltrán
Happy to introduce SegMantX. Analyzing #plasmid we find that most duplications are MGE-driven. Additional use cases include detection of DNA transfer between replicons and examination of plasmid sequence similarity. Try it out! doi.org/10.1093/molb...
SegMantX: a novel tool for detecting DNA duplications uncovers prevalent duplications in plasmids
Abstract. Segmental duplications play an important role in genome evolution via their contribution to copy-number variation, gene-family diversification an
doi.org
October 8, 2025 at 9:16 AM
Happy to introduce SegMantX. Analyzing #plasmid we find that most duplications are MGE-driven. Additional use cases include detection of DNA transfer between replicons and examination of plasmid sequence similarity. Try it out! doi.org/10.1093/molb...
Reposted by Jerónimo Rodríguez-Beltrán
New preprint!
Ever wondered why only a fraction of genomes encode CRISPR immunity? 🧬 🦠
Turns out CRISPR is rarely beneficial against virulent phages, being most beneficial against those for which resistance mutations are rare!
An epic effort by Rosanna Wright
www.biorxiv.org/content/10.1...
Ever wondered why only a fraction of genomes encode CRISPR immunity? 🧬 🦠
Turns out CRISPR is rarely beneficial against virulent phages, being most beneficial against those for which resistance mutations are rare!
An epic effort by Rosanna Wright
www.biorxiv.org/content/10.1...
Resistance mutation supply modulates the benefit of CRISPR immunity against virulent phages
Only a fraction of bacterial genomes encode CRISPR-Cas systems but the selective causes of this variation are unexplained. How naturally virulent bacteriophages (phages) select for CRISPR immunity has...
www.biorxiv.org
October 6, 2025 at 6:27 AM
New preprint!
Ever wondered why only a fraction of genomes encode CRISPR immunity? 🧬 🦠
Turns out CRISPR is rarely beneficial against virulent phages, being most beneficial against those for which resistance mutations are rare!
An epic effort by Rosanna Wright
www.biorxiv.org/content/10.1...
Ever wondered why only a fraction of genomes encode CRISPR immunity? 🧬 🦠
Turns out CRISPR is rarely beneficial against virulent phages, being most beneficial against those for which resistance mutations are rare!
An epic effort by Rosanna Wright
www.biorxiv.org/content/10.1...
Reposted by Jerónimo Rodríguez-Beltrán
And the crispri genetic interaction screen 👏💫🤯 #microsky from J-W Veening lab. Dual CRISPRi-seq for genome-wide genetic interaction studies identifies key genes involved in the pneumococcal cell cycle: Cell Systems www.cell.com/cell-systems...
Dual CRISPRi-seq for genome-wide genetic interaction studies identifies key genes involved in the pneumococcal cell cycle
Dénéréaz et al. introduce dual CRISPRi-seq, a broadly applicable method to chart gene-gene
interactions across whole genomes. Applying it to the pathogen Streptococcus pneumoniae,
they uncovered over ...
www.cell.com
October 5, 2025 at 10:59 PM
And the crispri genetic interaction screen 👏💫🤯 #microsky from J-W Veening lab. Dual CRISPRi-seq for genome-wide genetic interaction studies identifies key genes involved in the pneumococcal cell cycle: Cell Systems www.cell.com/cell-systems...
Reposted by Jerónimo Rodríguez-Beltrán
New pre-print: Eco-evolutionary responses of phage to different thermal regimes.
Great work led by Sam Greenrod and fun collaboration with Kayla King's lab.
1/2
www.biorxiv.org/content/10.1...
Great work led by Sam Greenrod and fun collaboration with Kayla King's lab.
1/2
www.biorxiv.org/content/10.1...
Evolutionary rescue accelerates competitive exclusion in a parasite community
Environmental stress drives biodiversity loss by altering competitive hierarchies and pushing taxa towards extinction. Parasites and their communities are particularly vulnerable to stress due to envi...
www.biorxiv.org
September 29, 2025 at 1:54 PM
New pre-print: Eco-evolutionary responses of phage to different thermal regimes.
Great work led by Sam Greenrod and fun collaboration with Kayla King's lab.
1/2
www.biorxiv.org/content/10.1...
Great work led by Sam Greenrod and fun collaboration with Kayla King's lab.
1/2
www.biorxiv.org/content/10.1...
Reposted by Jerónimo Rodríguez-Beltrán
New pre-print
Competition between phage constrains adaptation to thermal fluctuating temperatures.
More work led by Sam Greenrod in collaboration with @kayla-king.bsky.social lab.
#Phagesky#Microsky
www.biorxiv.org/content/10.1...
Competition between phage constrains adaptation to thermal fluctuating temperatures.
More work led by Sam Greenrod in collaboration with @kayla-king.bsky.social lab.
#Phagesky#Microsky
www.biorxiv.org/content/10.1...
www.biorxiv.org
September 30, 2025 at 3:16 PM
New pre-print
Competition between phage constrains adaptation to thermal fluctuating temperatures.
More work led by Sam Greenrod in collaboration with @kayla-king.bsky.social lab.
#Phagesky#Microsky
www.biorxiv.org/content/10.1...
Competition between phage constrains adaptation to thermal fluctuating temperatures.
More work led by Sam Greenrod in collaboration with @kayla-king.bsky.social lab.
#Phagesky#Microsky
www.biorxiv.org/content/10.1...
Reposted by Jerónimo Rodríguez-Beltrán
Precisely calling mutations across hundreds of bacterial isolates has been hard, requiring manual filtering and expertise.
Until now, using AccuSNV.
Herui Liao trained an ML model based on our previous meticulously called SNVs.
www.biorxiv.org/content/10.1...
Until now, using AccuSNV.
Herui Liao trained an ML model based on our previous meticulously called SNVs.
www.biorxiv.org/content/10.1...
High-accuracy SNV calling for bacterial isolates using deep learning with AccuSNV
Accurate detection of mutations within bacterial species is critical for fundamental studies of microbial evolution, reconstructing transmission events, and identifying antimicrobial resistance mutati...
www.biorxiv.org
September 29, 2025 at 7:45 PM
Precisely calling mutations across hundreds of bacterial isolates has been hard, requiring manual filtering and expertise.
Until now, using AccuSNV.
Herui Liao trained an ML model based on our previous meticulously called SNVs.
www.biorxiv.org/content/10.1...
Until now, using AccuSNV.
Herui Liao trained an ML model based on our previous meticulously called SNVs.
www.biorxiv.org/content/10.1...
Reposted by Jerónimo Rodríguez-Beltrán
Now peer-reviewed, improved and published in @microbiologysociety.org Microbiology - thanks to editor and reviewers!
www.microbiologyresearch.org/content/jour...
www.microbiologyresearch.org/content/jour...
September 26, 2025 at 8:26 AM
Now peer-reviewed, improved and published in @microbiologysociety.org Microbiology - thanks to editor and reviewers!
www.microbiologyresearch.org/content/jour...
www.microbiologyresearch.org/content/jour...
Reposted by Jerónimo Rodríguez-Beltrán
Synthetic lethal TN-seq! #microsky 🦠
Dual transposon sequencing profiles the genetic interaction landscape in bacteria | Science www.science.org/doi/10.1126/...
Dual transposon sequencing profiles the genetic interaction landscape in bacteria
Gene redundancy complicates systematic characterization of gene function as single-gene deletions may not produce discernible phenotypes. We report dual transposon sequencing (dual Tn-seq), a platform...
www.science.org
September 26, 2025 at 5:10 AM
Synthetic lethal TN-seq! #microsky 🦠