Israt Jahan
@jahanisrat.bsky.social
Multicellular and symbiotic evolutionary biologist. Postdoc at University of Oxford. PhD from WUSTL
Pinned
Israt Jahan
@jahanisrat.bsky.social
· Nov 20
Testing the coordination hypothesis: incompatibilities in aggregative development of an experimentally evolved social amoeba
Abstract. Multicellular organisms that form by aggregation of cells arguably do not achieve high levels of complexity. Conflict among the cells is a widely
academic.oup.com
Our paper testing the coordination hypothesis is now out in Evolution Letters:
academic.oup.com/evlett/artic...
academic.oup.com/evlett/artic...
Reposted by Israt Jahan
Thrilled to share my first preprint in my 2nd evo-passion: senescence and aging.
Here, we used experimental evolution to test the #redox theory of #aging under #parasitism.
Guess what: it is considerably different from what is expected 🤓 a thread 1/5 👇
#EvoSky #MicroSky #Aedes
Here, we used experimental evolution to test the #redox theory of #aging under #parasitism.
Guess what: it is considerably different from what is expected 🤓 a thread 1/5 👇
#EvoSky #MicroSky #Aedes
Testing the redox theory of aging under parasitism
The redox theory of aging proposes that an oxidative imbalance, possibly amplified by infection, drives senescence. We experimentally evolved mosquitoes under early or late reproduction with or withou...
www.biorxiv.org
December 4, 2025 at 3:33 PM
Reposted by Israt Jahan
It was great to write a brief commentary with @sociovirology.bsky.social on @nanamikubota.bsky.social and @vscooper.micropopbio.org's recent discovery of cheat-driven cycles in Pseudomonas (www.cell.com/current-biol... - amazing example of the tragedy of the commons!
🧪 #socialviruses #evosky
🧪 #socialviruses #evosky
Phage–bacteria dynamics: The tragedy of the commons at hyperspeed
A recent study found that apparently stable coexistence between a clinically important
pathogen, Pseudomonas aeruginosa, and its integrated prophages can break down, setting
off an evolutionary cycle ...
www.cell.com
December 4, 2025 at 8:56 PM
It was great to write a brief commentary with @sociovirology.bsky.social on @nanamikubota.bsky.social and @vscooper.micropopbio.org's recent discovery of cheat-driven cycles in Pseudomonas (www.cell.com/current-biol... - amazing example of the tragedy of the commons!
🧪 #socialviruses #evosky
🧪 #socialviruses #evosky
Reposted by Israt Jahan
Macit, @socialinsectlab.bsky.social investigated selection in response to climate and a geographic mosaic of coevolution between two ant species, a social parasite and its host.
🔗 doi.org/10.1093/molbev/msaf293
#evobio #molbio #coevolution
🔗 doi.org/10.1093/molbev/msaf293
#evobio #molbio #coevolution
December 2, 2025 at 5:14 PM
Macit, @socialinsectlab.bsky.social investigated selection in response to climate and a geographic mosaic of coevolution between two ant species, a social parasite and its host.
🔗 doi.org/10.1093/molbev/msaf293
#evobio #molbio #coevolution
🔗 doi.org/10.1093/molbev/msaf293
#evobio #molbio #coevolution
Reposted by Israt Jahan
youtu.be/YdVzLeTlgBE
Endosymbiosis webinar series
Our Guest: Gaurav S. Athreya
2025.12.04
The Evolution of Dependence and Cohesion in Incipient Endosymbioses
Endosymbiosis webinar series
Our Guest: Gaurav S. Athreya
2025.12.04
The Evolution of Dependence and Cohesion in Incipient Endosymbioses
The Evolution of Dependence and Cohesion in Incipient Endosymbioses - Gaurav S. Athreya
YouTube video by Lucas Genoma
youtu.be
December 4, 2025 at 4:04 PM
youtu.be/YdVzLeTlgBE
Endosymbiosis webinar series
Our Guest: Gaurav S. Athreya
2025.12.04
The Evolution of Dependence and Cohesion in Incipient Endosymbioses
Endosymbiosis webinar series
Our Guest: Gaurav S. Athreya
2025.12.04
The Evolution of Dependence and Cohesion in Incipient Endosymbioses
Reposted by Israt Jahan
Check out our cover article by @timjanicke.bsky.social and colleagues about the role of sexual selection in animal speciation. academic.oup.com/evlett/artic.... The beautiful illustration is by Katharina Bóth.
December 4, 2025 at 4:04 PM
Check out our cover article by @timjanicke.bsky.social and colleagues about the role of sexual selection in animal speciation. academic.oup.com/evlett/artic.... The beautiful illustration is by Katharina Bóth.
Reposted by Israt Jahan
10 weeks of #MarineSymbiosis paper discussions & the verdict on their favorites is in! I had a blast piloting an upper-level course this semester & had them vote on superlatives to celebrate their hard work. #newPI #SymbiosisSky
Mini blog here: phycosymbiosis.weebly.com/updates/mari...
Mini blog here: phycosymbiosis.weebly.com/updates/mari...
December 3, 2025 at 8:14 PM
10 weeks of #MarineSymbiosis paper discussions & the verdict on their favorites is in! I had a blast piloting an upper-level course this semester & had them vote on superlatives to celebrate their hard work. #newPI #SymbiosisSky
Mini blog here: phycosymbiosis.weebly.com/updates/mari...
Mini blog here: phycosymbiosis.weebly.com/updates/mari...
Reposted by Israt Jahan
1/ Mapping quantitative data to color www.nature.com/articles/nm...
Mapping quantitative data to color
Nature Methods - Data structure informs choice of color maps.
www.nature.com
November 16, 2025 at 2:45 PM
1/ Mapping quantitative data to color www.nature.com/articles/nm...
Reposted by Israt Jahan
Very happy to see our opinion article out in @cp-trendsecolevo.bsky.social today. 🥳 We ask whether sexual signals can influence the evolutionary trajectory of naturally selected adaptations, such as protective colouration, for better or for worse 🧐 1/n
doi.org/10.1016/j.tr...
doi.org/10.1016/j.tr...
November 29, 2025 at 2:07 PM
Very happy to see our opinion article out in @cp-trendsecolevo.bsky.social today. 🥳 We ask whether sexual signals can influence the evolutionary trajectory of naturally selected adaptations, such as protective colouration, for better or for worse 🧐 1/n
doi.org/10.1016/j.tr...
doi.org/10.1016/j.tr...
Reposted by Israt Jahan
We all wish peer review to be rapid and professional: doesn’t always go like that. But I am relieved to finally see Helixer by @alisandra-denton.bsky.social and team published in Nature Method. Congratulations! www.nature.com/articles/s41...
Helixer: ab initio prediction of primary eukaryotic gene models combining deep learning and a hidden Markov model - Nature Methods
By leveraging both deep learning and hidden Markov models, Helixer achieves broad taxonomic coverage for ab initio gene annotation of eukaryotic genomes from fungi, plants, vertebrates and invertebrat...
www.nature.com
November 28, 2025 at 4:58 AM
We all wish peer review to be rapid and professional: doesn’t always go like that. But I am relieved to finally see Helixer by @alisandra-denton.bsky.social and team published in Nature Method. Congratulations! www.nature.com/articles/s41...
Reposted by Israt Jahan
Finally got around to switching my in-browser #rstats R Primers website to use the newer better-supported #QuartoPub Live extension, which will now let me eventually add nicer inline feedback someday
- Free primers site: r-primers.andrewheiss.com
- Extension: r-wasm.github.io/quarto-live/
- Free primers site: r-primers.andrewheiss.com
- Extension: r-wasm.github.io/quarto-live/
November 28, 2025 at 9:37 PM
Finally got around to switching my in-browser #rstats R Primers website to use the newer better-supported #QuartoPub Live extension, which will now let me eventually add nicer inline feedback someday
- Free primers site: r-primers.andrewheiss.com
- Extension: r-wasm.github.io/quarto-live/
- Free primers site: r-primers.andrewheiss.com
- Extension: r-wasm.github.io/quarto-live/
Important!
Our Ensembl 2026 paper is out!
Learn about 1,900+ new genomes, expanded pangenome support, new regulation interfaces, and what’s coming in our 2026 releases.
doi.org/10.1093/nar/gkaf1239
Learn about 1,900+ new genomes, expanded pangenome support, new regulation interfaces, and what’s coming in our 2026 releases.
doi.org/10.1093/nar/gkaf1239
Ensembl 2026
Abstract. The Ensembl project (https://www.ensembl.org) is a public and open resource providing access to genomes, annotations, high-quality tools, and met
academic.oup.com
November 28, 2025 at 6:18 PM
Important!
Reposted by Israt Jahan
#rstats
It is with profound sadness I heard that my long-time friend and colleague, John Fox passed away this week.
He was the author of {car}, {effects}, {Rcmdr}, ... and numerous influential books. I will miss him greatly.
www.john-fox.ca
It is with profound sadness I heard that my long-time friend and colleague, John Fox passed away this week.
He was the author of {car}, {effects}, {Rcmdr}, ... and numerous influential books. I will miss him greatly.
www.john-fox.ca
John Fox: Books and Software
www.john-fox.ca
November 28, 2025 at 3:26 PM
#rstats
It is with profound sadness I heard that my long-time friend and colleague, John Fox passed away this week.
He was the author of {car}, {effects}, {Rcmdr}, ... and numerous influential books. I will miss him greatly.
www.john-fox.ca
It is with profound sadness I heard that my long-time friend and colleague, John Fox passed away this week.
He was the author of {car}, {effects}, {Rcmdr}, ... and numerous influential books. I will miss him greatly.
www.john-fox.ca
Reposted by Israt Jahan
Did you receive a Student Research Award from the American Society of Naturalists @asn-amnat.bsky.social ? We'd love to hear what you achieved with those awards (or, please share with someone who had one), even going back many years:
docs.google.com/forms/d/e/1F...
docs.google.com/forms/d/e/1F...
American Society of Naturalists Student Research Award Outcomes
The American Society of Naturalists (ASN) gives out student research awards (generally $2000 each) to support activities of our student members. We request that Student Research Award recipients provi...
docs.google.com
November 25, 2025 at 8:26 PM
Did you receive a Student Research Award from the American Society of Naturalists @asn-amnat.bsky.social ? We'd love to hear what you achieved with those awards (or, please share with someone who had one), even going back many years:
docs.google.com/forms/d/e/1F...
docs.google.com/forms/d/e/1F...
Reposted by Israt Jahan
Happy to share that my PhD project is finally published!🪱✨
Selfish genes are found across the tree of life. They can disrupt inheritance patterns and at the same time act as units for molecular innovation. Here we tried to answer one big question: how do selfish genes emerge in the first place?
Selfish genes are found across the tree of life. They can disrupt inheritance patterns and at the same time act as units for molecular innovation. Here we tried to answer one big question: how do selfish genes emerge in the first place?
Recurrent evolution of selfishness from an essential tRNA synthetase in Caenorhabditis tropicalis 🧪
www.nature.com/articles/s41...
www.nature.com/articles/s41...
Recurrent evolution of selfishness from an essential tRNA synthetase in Caenorhabditis tropicalis - Nature Ecology & Evolution
In Caenorhabditis tropicalis, three toxin–antidote elements arose via gene duplication from the essential tRNA-synthetase subunit FARS-3. The ancestral antidote probably acquired affinity for FARS-3, ...
www.nature.com
November 24, 2025 at 9:10 PM
Happy to share that my PhD project is finally published!🪱✨
Selfish genes are found across the tree of life. They can disrupt inheritance patterns and at the same time act as units for molecular innovation. Here we tried to answer one big question: how do selfish genes emerge in the first place?
Selfish genes are found across the tree of life. They can disrupt inheritance patterns and at the same time act as units for molecular innovation. Here we tried to answer one big question: how do selfish genes emerge in the first place?
Reposted by Israt Jahan
We are looking for PhD applicants! ‼️Interested in genomics, ecophysiology and adaptation? Look at our TREES DLA project:
www.trees-dla.ac.uk/projects/und...
We also offer more projects via ROUTE2. Get in touch and let’s have a chat 💬
www.trees-dla.ac.uk/projects/und...
We also offer more projects via ROUTE2. Get in touch and let’s have a chat 💬
Understanding the role of metabolism in adaptation & evolution | TREES DLA
In an era of rapid environmental change, understanding how species adapt to shifting conditions is critical for conservation biology. At the heart of adaptation lies metabolism, the process that fuels...
www.trees-dla.ac.uk
November 25, 2025 at 9:21 AM
We are looking for PhD applicants! ‼️Interested in genomics, ecophysiology and adaptation? Look at our TREES DLA project:
www.trees-dla.ac.uk/projects/und...
We also offer more projects via ROUTE2. Get in touch and let’s have a chat 💬
www.trees-dla.ac.uk/projects/und...
We also offer more projects via ROUTE2. Get in touch and let’s have a chat 💬
Reposted by Israt Jahan
Our preprint doi.org/10.1101/2025... getting media coverage (!)
November 24, 2025 at 11:16 PM
Our preprint doi.org/10.1101/2025... getting media coverage (!)
Reposted by Israt Jahan
Paradoxical role of new endosymbiotic associations: they facilitate the emergence of new partnerships, but inhibit deeper integration between hosts and guests (by favoring uncoordinated reproduction over synchronized ones). That is, easy come, easy go. #Endosymbiosis doi.org/10.1101/2025...
October 29, 2025 at 3:41 PM
Paradoxical role of new endosymbiotic associations: they facilitate the emergence of new partnerships, but inhibit deeper integration between hosts and guests (by favoring uncoordinated reproduction over synchronized ones). That is, easy come, easy go. #Endosymbiosis doi.org/10.1101/2025...
Reposted by Israt Jahan
With great joy—and a touch of nervousness—I’m thrilled to share that my first academic monograph will be published by @mitpress.bsky.social in May 2026! It examines the organism–environment relationship in biology from an integrated #HPS perspective: mitpress.mit.edu/978026205282... #evosky #philsky
The Organism-Environment Pairing
In this first systematic book-length examination of the organism-environment relationship in the life sciences, Alejandro Fábregas-Tejeda addresses a crucia...
mitpress.mit.edu
August 21, 2025 at 2:20 PM
With great joy—and a touch of nervousness—I’m thrilled to share that my first academic monograph will be published by @mitpress.bsky.social in May 2026! It examines the organism–environment relationship in biology from an integrated #HPS perspective: mitpress.mit.edu/978026205282... #evosky #philsky
Reposted by Israt Jahan
Check out our latest issue where we interview Cassandra Extavour, who studies the evolution of the genetic mechanisms employed during early animal embryogenesis to specify cell fate, development, and differentiation at Harvard University. www.cell.com/current-biol...
Q & A
Interview with Cassandra Extavour, who studies the evolution of the genetic mechanisms
employed during early animal embryogenesis to specify cell fate, development, and
differentiation at Harvard Univ...
www.cell.com
November 20, 2025 at 10:34 AM
Check out our latest issue where we interview Cassandra Extavour, who studies the evolution of the genetic mechanisms employed during early animal embryogenesis to specify cell fate, development, and differentiation at Harvard University. www.cell.com/current-biol...
Reposted by Israt Jahan
Rubisco is slow across the tree of life www.pnas.org/doi/abs/10.1... #jcampubs
Rubisco is slow across the tree of life | PNAS
Rubisco is the main gateway through which inorganic carbon enters the biosphere, catalyzing
the vast majority of carbon fixation on Earth. This piv...
www.pnas.org
November 21, 2025 at 3:56 PM
Rubisco is slow across the tree of life www.pnas.org/doi/abs/10.1... #jcampubs
Reposted by Israt Jahan
BINGO! Arnold 2010 JWM wildlife.onlinelibrary.wiley.com/doi/10.1111/...
wildlife.onlinelibrary.wiley.com
November 21, 2025 at 7:04 PM
BINGO! Arnold 2010 JWM wildlife.onlinelibrary.wiley.com/doi/10.1111/...
Reposted by Israt Jahan
the evolutionary epistemology stack
August 12, 2023 at 12:20 AM
the evolutionary epistemology stack
Reposted by Israt Jahan
Our paper describing the GlobDB is now published in @bioinfoadv.bsky.social
doi.org/10.1093/bioa...
The GlobDB is the largest species dereplicated genome database currently available, containing 306,260 species representatives.
More information on globdb.org 1/5
🖥️🧬🦠
doi.org/10.1093/bioa...
The GlobDB is the largest species dereplicated genome database currently available, containing 306,260 species representatives.
More information on globdb.org 1/5
🖥️🧬🦠
GlobDB: a comprehensive species-dereplicated microbial genome resource
AbstractMotivation. Over the past years, substantial numbers of microbial species’ genomes have been deposited outside of conventional INSDC databases.Resu
doi.org
November 21, 2025 at 4:21 PM
Our paper describing the GlobDB is now published in @bioinfoadv.bsky.social
doi.org/10.1093/bioa...
The GlobDB is the largest species dereplicated genome database currently available, containing 306,260 species representatives.
More information on globdb.org 1/5
🖥️🧬🦠
doi.org/10.1093/bioa...
The GlobDB is the largest species dereplicated genome database currently available, containing 306,260 species representatives.
More information on globdb.org 1/5
🖥️🧬🦠
Reposted by Israt Jahan
Hot off the press! Our latest paper led by @fernpizza.bsky.social, understanding how plasmids evolve inside cells. These small, self-replicating DNA circles live inside bacteria and carry antibiotic resistance genes, but also compete with one another to replicate. 1/
www.science.org/doi/10.1126/...
www.science.org/doi/10.1126/...
Intracellular competition shapes plasmid population dynamics
From populations of multicellular organisms to selfish genetic elements, conflicts between levels of biological organization are central to evolution. Plasmids are extrachromosomal, self-replicating g...
www.science.org
November 20, 2025 at 9:42 PM
Hot off the press! Our latest paper led by @fernpizza.bsky.social, understanding how plasmids evolve inside cells. These small, self-replicating DNA circles live inside bacteria and carry antibiotic resistance genes, but also compete with one another to replicate. 1/
www.science.org/doi/10.1126/...
www.science.org/doi/10.1126/...
Reposted by Israt Jahan
My favorite David Attenborough story- heard secondhand- is that he got up to do everyone’s dishes at a remote field station where the BBC was shooting one of his projects. Because he’s that kind of person.
Which I think about when reading what other rich people I see on the tv are up to.
Which I think about when reading what other rich people I see on the tv are up to.
November 18, 2025 at 3:21 AM
My favorite David Attenborough story- heard secondhand- is that he got up to do everyone’s dishes at a remote field station where the BBC was shooting one of his projects. Because he’s that kind of person.
Which I think about when reading what other rich people I see on the tv are up to.
Which I think about when reading what other rich people I see on the tv are up to.