Reposted by Emiliano Martí 🇦🇷Sternberg Lab @sternberglab.bsky.social · 28/09/20261/13 — New pre-print from the Sternberg Lab in collaboration with Leifu Chang's Lab! TnpB nucleases have repeatedly given rise to TldRs, nuclease-dead RNA-guided transcription factors. Here we define the biological role of one TldR clade in its native host. Story: www.biorxiv.org/content/10.6... 15122
Reposted by Emiliano Martí 🇦🇷Nature Reviews Genetics @natrevgenet.nature.com · 29/09/2026FYI: New online! The mechanistic and evolutionary diversity of programmed DNA eliminationdlvr.itThe mechanistic and evolutionary diversity of programmed DNA eliminationNature Reviews Genetics, Published online: 08 September 2026; doi:10.1038/s41576-026-01004-7Programmed DNA elimination is a developmentally regulated process in which specific DNA sequences are reproducibly removed from particular cell lineages. Here, the authors review the mechanistic diversity and evolutionary dynamics of DNA elimination, spanning chromosome breakage, whole-chromosome elimination and whole-genome elimination. 01911
Reposted by Emiliano Martí 🇦🇷Maya Voichek @mayavoichek.bsky.social · 24/09/2026Super excited to share my postdoctoral work at @imbavienna.bsky.social @viennabiocenter.bsky.social - We discovered that some retrotransposons, or "jumping genes" 🧬, are able to spread from cell to cell via a new viral infectivity route. A short thread: 🧵👇 (1/7) 20258148
Reposted by Emiliano Martí 🇦🇷Jason McDermott @biodataganache.bsky.social · 24/09/2026'tis the season www.mcsweeneys.net/articles/its... 143
Reposted by Emiliano Martí 🇦🇷Yuan He @yuanhejhu.bsky.social · 22/09/2026A big week for the lab! Two new papers on how cells repair DNA double-strand breaks: one on getting NHEJ started in chromatin, one on processing the ends before ligation. Years of work by a fantastic team. 410940
Reposted by Emiliano Martí 🇦🇷Paul Hoskisson 🧫 🦠🐸 @paulhoskisson.bsky.social · 13/09/2026Fascinating stuff - Acquisition and erosion of toxin-antitoxin systems in bacterial chromosomes academic.oup.com/mbe/advance-...academic.oup.comAcquisition and erosion of toxin-antitoxin systems in bacterial chromosomesAbstract. Toxin-antitoxin systems (TAs) are widespread in bacterial genomes. Yet, their integration, persistence, and impact in chromosome dynamics remain 04620
Reposted by Emiliano Martí 🇦🇷sandraduharcourt.bsky.social @sandraduharcourt.bsky.social · 08/09/2026Very happy to see our Nature Reviews Genetics article on programmed DNA elimination across eukaryotes out! A fantastic collective effort with an amazing group of colleagues, born from inspiring discussions at the Fondation des Treilles. rdcu.be/tmvKgsPZNhBa @laurarossevo.bsky.socialrdcu.be 39343
Reposted by Emiliano Martí 🇦🇷Arvid Ågren @arvidagren.bsky.social · 18/08/2026New paper with Nick Davies and Kevin Foster in @natcomms.nature.com. We show that often neither selection against transposons’ deleterious effects nor exploitation by parasitic elements is sufficient to keep them in control. Only active host suppression does. www.nature.com/articles/s41... 07927
Reposted by Emiliano Martí 🇦🇷Toby Baril @tobybarilbio.bsky.social · 12/08/2026Thrilled to share that I'll be starting my lab at the Swedish Museum of Natural History in Stockholm as a DDLS Fellow in November! 🧑🔬🧬🎉 Of course, we will be delving into all things mobile DNA & evolution, as well as developing AI approaches for biodiversity genomics #newPI #TEsky #TEworldwide 125516
Reposted by Emiliano Martí 🇦🇷Genetics Society of America @genetics-gsa.bsky.social · 28/07/2026In #GENETICS, @anabferretti.bsky.social and colleagues characterize the composition, evolution, and epigenetic regulation of the nonessential B chromosome in #Drosophila, discovering new satellite DNAs. 🪰 📖 read the paper for details 🔗 buff.ly/VRRzV0D 023
Reposted by Emiliano Martí 🇦🇷Emmanuel Gonzalez-Sqalli @gonzalez-sqalli.bsky.social · 14/07/2026Very happy to share that our study on macroH2A in Gryllus bimaculatus 🦗 is now published in @pnas.org ! 🎉 This work, central to my PhD thesis, uses endogenous KI, KO, and deletion of the non-histone region to explore what macroH2A does in vivo in an invertebrate. www.pnas.org/doi/10.1073/... 144
Reposted by Emiliano Martí 🇦🇷Harmit Singh Malik @harmitmalik.bsky.social · 18/03/2026Magnesium depletion by Candida albicans unleashes two unusual modes of colistin resistance in Pseudomonas aeruginosa with different fitness costs. @hsiehyp.bsky.social, Robert Ernst lab, @ajaidandekar.bsky.social, my lab. journals.plos.org/plosbiology/... ipmb.sinica.edu.tw/en/activitie... 32911
Reposted by Emiliano Martí 🇦🇷Mark Hibbins, Great Lakes Swashbuckler @rejectresubmit.bsky.social · 15/03/2026POV you are writing a paper about plant sex chromosome evolution 1386
Reposted by Emiliano Martí 🇦🇷Duilio Silva @selfishdna.bsky.social · 07/03/2026I’m happy to announce that our preprint is out! 🧬🐭 We show that the mouse HSR selfish DNA kills embryos that do not inherit it through a toxin–antidote system, thereby increasing its transmission to the next generation. ⚡ Feedback is welcome! @takashiakeralab.bsky.social #SelfishDNA #meiosis4evabiorxiv.org 1216
Reposted by Emiliano Martí 🇦🇷bioRxiv Molecular Biology @biorxiv-molbio.bsky.social · 10/02/2026A Naïve RNA Sampling Core Enables Adaptive piRNA Specificity Against Transposable Elements www.biorxiv.org/content/10.64898/20… 01511
Reposted by Emiliano Martí 🇦🇷Mia Levine @levine-lab.bsky.social · 23/02/2026Cara will continue her work on coevolution between DNA satellites and essential host proteins in her new lab in the Dept of Genetics at Rutgers! See: genetics.rutgers.edu/people/facul...genetics.rutgers.eduCara BrandDepartment of Genetics at Rutgers University 04111
Reposted by Emiliano Martí 🇦🇷Mia Levine @levine-lab.bsky.social · 23/02/2026So excited to share this manuscript led by the inimitable Cara Brand, who discovered that Topoisomerase II evolution causes hybrid female lethality in Drosophila. Congrats to Cara, @nickbr0wn.bsky.social, Anirban, and @buszczaklab.bsky.social! www.biorxiv.org/content/10.6...biorxiv.org 57738
Reposted by Emiliano Martí 🇦🇷Takashi Akera Lab @takashiakeralab.bsky.social · 03/02/2026vilcek.org/news/breakin...vilcek.orgBreaking Fundamental Biological Law: Research by Takashi Akera Investigates Selfish DNA - Vilcek FoundationWinner of the Vilcek Prize for Creative Promise, Akera’s novel research findings have huge implications for infertility and chromosomal disorders. 105714
Reposted by Emiliano Martí 🇦🇷TropBioLab @tropbiolab.bsky.social · 13/12/2025Introducing the Yato Protected Area -- the largest federally protected conservation area of the Solomon Islands! We are humbled to have been given the opportunity to partner with indigenous communities in Makira to save threatened ecosystems. #conservation #SolomonIslands #biodiversity 292
Reposted by Emiliano Martí 🇦🇷Genetics Society of America @genetics-gsa.bsky.social · 31/01/2026A new study in #GENETICS identifies hundreds of RNA targets and protein partners of the #Drosophila ORB2 protein—a crucial protein with functions in neural development, long-term memory formation, and spermatogenesis. buff.ly/UoZ8gun 052
Reposted by Emiliano Martí 🇦🇷Takashi Akera Lab @takashiakeralab.bsky.social · 31/01/2026Congrats Geng-Yuan “Scott” Chen 🎉exciting work manipulating anaphase chromosome movement with optogenetics! www.nature.com/articles/s41...nature.comMicrotubule depolymerization at kinetochores restricts anaphase spindle elongation - Nature Chemical BiologyOptogenetic manipulation of spindle dynamics reveals that microtubule shortening at kinetochores limits spindle elongation rather than moving chromosomes, revealing local chromosome–spindle interactio... 0126
Reposted by Emiliano Martí 🇦🇷Martijn Schenkel @martijnschenkel.bsky.social · 28/01/2026NEW PAPER with @arvidagren.bsky.social and Manus Patten on evolutionary reversions in individuality now out (as an advance article) at @jevbio.bsky.social (see academic.oup.com/jeb/advance-...). Thread below! [1/8] .academic.oup.comEvolutionary transitions and reversions in individualityAbstract. Biological individuality exists in different forms—unicellular, multicellular, colonial, etc.—which have arisen through evolutionary transitions 22515
Reposted by Emiliano Martí 🇦🇷Fillip Port @crisprflydesign.bsky.social · 29/01/2026Make your gene knockouts more efficient with multiplexed Cas12a sgRNAs. Our new paper is out now, with tools available from @addgene.bsky.social , www.plasmids.eu and @vdrc-flies.bsky.social. www.nature.com/articles/s41... #CRISPR #geneediting #Drosophila 🧪🧬✂️🔬🪰 Summary 🧵 below. 15929
Emiliano Martí 🇦🇷 @emilianomarti.bsky.social · 27/01/2026Meiotic drive has long been considered as a genetic curiosity. Genomic "footprints" suggest otherwise. Check out our new review doi.org/10.1093/molb..., a cross-taxa synthesis arguing that recurrent drive is a pervasive and underappreciated force in genome evolution.doi.orgThe Evolutionary Genomics of Meiotic DriveAbstract. Meiotic drivers are selfish genetic elements that gain transmission advantages by distorting equal, Mendelian segregation. For decades, biologist 22717
Reposted by Emiliano Martí 🇦🇷Jackson Ridges @jacksonridges.bsky.social · 11/01/2026Check out our new paper in early access at Nature Communications! www.nature.com/articles/s41...nature.comClient Challenge 1169
Reposted by Emiliano Martí 🇦🇷Jackson Ridges @jacksonridges.bsky.social · 24/01/2026Check out our new paper, out in the current issue of Proc B! In this work, we investigate the long-term persistence of the Drosophila pseudoobscura SR chromosome without suppression. We reconstruct its evolutionary history, showing that it has a history of suppression and escape from suppression.doi.orgDrive, suppression and escape from suppression of a selfish chromosomeAbstract. Meiotic drivers are selfish genetic elements that are predicted to spark rapid intra-genomic arms races with their suppressors. However, the long 1146
Reposted by Emiliano Martí 🇦🇷ching-hochang.bsky.social @ching-hochang.bsky.social · 11/07/2025I’m thrilled to announce the launch of the Evolution of Chromosomes and Genomes (ECG) Lab at the Institute of Molecular Biology, Academia Sinica, Taiwan. Our lab website is now live—come check it out! sites.google.com/view/ecg-lab...sites.google.comECG LAB"The only constant in life is change." — Heraclitus Genetic conflicts — the good, the bad, and the ugly — shape our lives over time We aim to understand why even the most essential genes and chrom... 2169
Reposted by Emiliano Martí 🇦🇷Cécile Courret @cecilecourret.bsky.social · 24/10/2025Our research focuses on intragenomic conflicts and their impact on genome evolution using Drosophila. A huge thanks to my amazing mentors, Catherine Montchamp-Moreau and @amlarracuente.bsky.social. I would not be here without their support over the years. 051
Reposted by Emiliano Martí 🇦🇷Cécile Courret @cecilecourret.bsky.social · 24/10/2025I'm thrilled to announce that I’m opening my own research team in the Department of Genome Biology at I2BC @i2bcparissaclay.bsky.social ! #ATIP-Avenir Very excited to start this new adventure! www.i2bc.paris-saclay.fr/equipe-intra...i2bc.paris-saclay.frEquipe Courret – Institute for Integrative Biology of the Cell 7398
Reposted by Emiliano Martí 🇦🇷Arvid Ågren @arvidagren.bsky.social · 30/10/2025John Maynard Smith and Richard Lewontin at the University of Sussex, 9 March 1972. 1202
Reposted by Emiliano Martí 🇦🇷Martijn Schenkel @martijnschenkel.bsky.social · 15/09/2025Join us this Friday at 13:00 UTC for the first Internal Conflicts STN seminar of this academic year, featuring Laurence Hurst and Phil Madgwick! Details via internalconflictsstn.wordpress.com/seminars/, also on several upcoming seminars. 043
Reposted by Emiliano Martí 🇦🇷Arvid Ågren @arvidagren.bsky.social · 14/09/2025Take a sneak peak at The Paradox of the Organism at Google books books.google.com/books?hl=sv&... Don’t forget to pre-order!books.google.comThe Paradox of the OrganismLeading evolutionary theorists and philosophers come together to understand how organisms persist, even as they’re riddled with internal conflict, from cancer cells to selfish genes.How does a vast me... 12610
Reposted by Emiliano Martí 🇦🇷Matthew Cobb @matthewcobb.bsky.social · 08/09/2025News in the history of molecular biology. The Science History Institute in Philadelphia has acquired a huge archive of correspondence and other scientific material from the pioneers of molecular biology (Franklin, Klug, Perutz, Delbrück etc, with items from Crick and Watson, too). 1/nsciencehistory.orgHistory of Molecular Biology CollectionThis unparalleled collection includes Rosalind Franklin's historic 'Photo 51,' which revealed the double-helix structure of DNA. 619893
Reposted by Emiliano Martí 🇦🇷Arvid Ågren @arvidagren.bsky.social · 09/09/2025Another fun Morris memory: Tinbergen was annoyed when grad students bought fish food instead of making their own. To him, it lacked the dignity of labour. 051
Reposted by Emiliano Martí 🇦🇷phy_papers @phypapers.bsky.social · 27/08/2025Giant endogenous viral elements in the genome of the model protist Euglena gracilis reveal past interactions with giant viruses pubmed.ncbi.nlm.nih.gov/40856505 022
Reposted by Emiliano Martí 🇦🇷Arvid Ågren @arvidagren.bsky.social · 27/08/2025Opponent independent costs game vs. arms race. Geoff Parker on the importance of picking good terms. 181
Reposted by Emiliano Martí 🇦🇷The Transmitter @thetransmitter.bsky.social · 13/08/2025FlyBase, a Drosophila database, will lose a third of its team in early October because the Harvard grant that covered the employees’ salaries was canceled. Scientists warn that losing FlyBase could devastate fly research. By @claudia-lopez.bsky.social www.thetransmitter.org/community/ha...thetransmitter.orgHarvard University lays off fly database teamThe layoffs jeopardize this resource, which has served more than 4,000 labs for about three decades. 3123129
Reposted by Emiliano Martí 🇦🇷TropBioLab @tropbiolab.bsky.social · 07/08/2025Interested in how new sex chromosomes evolve in birds? Our NSF-funded collaborative work with the (Daven) Presgraves lab at @urochester.bsky.social is out this week in @pnas.org. Check it out! www.pnas.org/doi/10.1073/... 23012
Reposted by Emiliano Martí 🇦🇷Arvid Ågren @arvidagren.bsky.social · 04/08/2025Gorgeous cover for @ellenclarke.bsky.social’s fantastic new book The Units of Life (OUP 2025). 1132
Reposted by Emiliano Martí 🇦🇷Tera Levin @teralevin.bsky.social · 05/08/2025I'm excited to announce our new biorxiv preprint, wherein we investigate the evolution of the weirdest genetic locus I've ever seen! Behold the tgr genes of the social amoeba, which mediate self/non-self discrimination during facultative multicellularity 🐅 🧵 1/ www.biorxiv.org/content/10.1...biorxiv.orgHypermutable hotspot enables the rapid evolution of self/non-self recognition genes in DictyosteliumCells require highly polymorphic receptors to perform accurate self/non-self recognition. In the amoeba Dicytostelium discoideum, polymorphic TgrB1 & TgrC1 proteins are used to bind sister cells and e... 922098
Reposted by Emiliano Martí 🇦🇷Harmit Singh Malik @harmitmalik.bsky.social · 03/08/2025I spoke to Renaud Pourpe (of @lonelypipette.bsky.social fame with @epigenetique.bsky.social) about the unique challenges faced by postdocs and early-career PIs worldwide on the transition from postdoc to PI. Lots of useful advice shared (by others): www.alba.network/diversity-po... Check it out.alba.networkALBA-IBRO Diversity Podcast - Season 2Episode 4 is out. In season 2, we focus on the transition from postdoc to PI, highlighting the unique challenges faced by postdocs and early-career PIs worldwide. Hosted by the Lonely Pipette. 03413
Reposted by Emiliano Martí 🇦🇷bioRxiv Genetics @biorxiv-genetic.bsky.social · 01/08/2025Antisense transposon insertions into host genes trigger piRNA mediated immunity www.biorxiv.org/content/10.1101/202… 0218
Reposted by Emiliano Martí 🇦🇷Matthew Cobb @matthewcobb.bsky.social · 30/06/2025You may recall I was trying to find the cover of an issue of @nature.com from 1980. Thanks to Tim at Customer Service, this is from the magazine's archive... Thanks to all! The weird beasts at the end of the double helices were drawn by Linda Sapienza, wife of the co-author of one of the papers. 5458
Reposted by Emiliano Martí 🇦🇷Arvid Ågren @arvidagren.bsky.social · 21/07/2025The Gene's-Eye View of Evolution was published four years ago today. 0101
Reposted by Emiliano Martí 🇦🇷Heng Li @lh3lh3.bsky.social · 31/07/2025Longdust, a new tool to identify highly repetitive STRs, VNTRs, satellite DNA and other low-complexity regions (LCRs). Similar to SDUST but for long regions. github.com/lh3/longdustgithub.comGitHub - lh3/longdust: Identify long STRs, VNTRs, satellite DNA and other low-complexity regions in a genomeIdentify long STRs, VNTRs, satellite DNA and other low-complexity regions in a genome - lh3/longdust 07528
Reposted by Emiliano Martí 🇦🇷Heng Li @lh3lh3.bsky.social · 31/07/2025In 2020, NCBI considered to remove base quality from free-to-download SRA files. I responded and wrote two blog posts to argue against that. I don't know how much NCBI weighed on everyone's response but they are keeping quality in most SRA files nowadays. grants.nih.gov/grants/guide...grants.nih.govNOT-OD-20-108: Request for Information: Use of Cloud Resources and New File Formats for Sequence Read Archive DataNIH Funding Opportunities and Notices in the NIH Guide for Grants and Contracts: Request for Information: Use of Cloud Resources and New File Formats for Sequence Read Archive Data NOT-OD-20-108. NIH 0154
Emiliano Martí 🇦🇷 @emilianomarti.bsky.social · 28/07/2025Happy to share our latest article, led by Tee Muirhead, now out in PNAS! We report the evolutionary genomics of the newly discovered neo-sex chromosomes in Myzomela — involving translocation, inversions & degeneration on the neo-W. doi.org/10.1073/pnas...doi.orgPNASProceedings 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... 062
Reposted by Emiliano Martí 🇦🇷Genome Biology and Evolution @genomebiolevol.bsky.social · 10/07/2025Albuquerque characterized the satellitome of the pea aphid, with results suggesting that satDNAs contribute to genome evolution, biotype divergence, and the “fast-X” effect. 🔗 doi.org/10.1093/gbe/evaf104 #genome #satellitomedoi.orgExploring the Satellitome of the Pest Aphid Acyrthosiphon pisum (Hemiptera, Aphididae): Insights Into Genome Organization and Intraspecies EvolutionAbstract. Satellite DNAs (satDNAs), ubiquitous sequences in eukaryotic genomes, play a crucial role in genome organization, function, and evolution. The pe 033
Reposted by Emiliano Martí 🇦🇷Genetics Society of America @genetics-gsa.bsky.social · 26/06/2025In this commentary article, Logan T. Edvalson and Amanda M. Larracuente discuss recently published #GENETICS and #G3journal papers that offer new understandings into the consequences of drive in genome and species evolution. Read more: buff.ly/JowkdFt 067
Reposted by Emiliano Martí 🇦🇷Genetics Society of America @genetics-gsa.bsky.social · 25/06/2025We’re thrilled to announce the Spring 2025 recipients of the DeLill Nasser Award for Professional Development in Genetics! 🧬 Please join us in congratulating this season’s awardees. Read more in Genes to Genomes: buff.ly/p3vh1gx 095