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Cecile Lorrain

@ccilelorrain.bsky.social
336 followers 371 following 18 posts

SNSF Ambizione Fellow | Junior PI in Plant Pathology @ ETH Zürich | Specializing in fungal genome architecture & TE-driven evolution lorrainlab.owlstown.net

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Reposted by Cecile Lorrain
Philippe Batut @philippebatut.bsky.social · 10/09/2026
🧬🔬 Why are enhancers transcribed and how does that impact gene regulation? I’m really excited to share our new paper in @science.org showing that noncoding RNAs control the timing of gene activation in embryos. With Mike Levine #ScienceResearch @columbiamed.bsky.social A few highlights below... 🧵👇
science.org
Noncoding transcription controls the developmental dynamics of long-range gene regulation
The genomic regions regulating gene expression are often themselves transcribed into a variety of noncoding RNAs (ncRNAs). However, the regulatory roles of this noncoding transcription remain largely ...
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Reposted by Cecile Lorrain
Maya Voichek @mayavoichek.bsky.social · 24/09/2026
Super 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)
AI-generated illustration of the soma-to-germline transmission of retrotransposons described in our work
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Reposted by Cecile Lorrain
bioRxivpreprint @biorxivpreprint.bsky.social · 23/09/2026
Transcription factors read a second regulatory code in chromatin www.biorxiv.org/content/10.64898/20…
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bioRxiv Genomics @biorxiv-genomic.bsky.social · 23/09/2026
An atlas of eukaryotic centromere architecture reveals recurrent evolutionary dynamics www.biorxiv.org/content/10.64898/20…
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Andrew Urquhart @starships-andrew.bsky.social · 24/09/2026
Another step in the #Starship story - they move via a circular intermediate. Helps explain how these elements horizontally transfer and means that we can modify them into transformation vectors (starmids). www.biorxiv.org/content/10.6...
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Reposted by Cecile Lorrain
Ben Parker @ben-parker.bsky.social · 21/09/2026
Excited that our new paper with @henrylabsymbio.bsky.social and Kerry Oliver is out @pnas.org! We show that mobile genetic elements can spread adaptive host-benefiting traits across heritable insect symbionts on eco-evolutionary timescales.🧵 www.pnas.org/doi/10.1073/...
pnas.org
Phenotypic divergence is driven by mobile genetic elements in a heritable insect symbiont | PNAS
Heritable microbes profoundly influence insect biology, yet the traits they confer often evolve rapidly and differ among closely related symbiont s...
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Reposted by Cecile Lorrain
Rob Waterhouse @rmwaterhouse.bsky.social · 10/09/2026
E-PAN training materials can be found on the @ergabiodiv.bsky.social Knowledge Hub knowledge.erga-biodiversity.eu?search=e-pan
knowledge.erga-biodiversity.eu
ERGA Knowledge Hub - Training materials for Biodiversity Genomics
A Biodiversity Genomics training repository.
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Reposted by Cecile Lorrain
Yann Dussert @yanndussert.bsky.social · 11/09/2026
The LBGB team at @genoscopeumr.bsky.social, led by @jm-aury.bsky.social, recently released Hobrac, a tool to investigate synteny between genomes! Can be used for assembly validation or comparative genomics. doi.org/10.64898/202... github.com/Genoscope-LB... See below for what Hobrac can do:
Figure showing some outputs of the Hobrac tool (e.g. ribbon plots & oxford plots), here illutrating synteny between bivalve genomes.
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sandraduharcourt.bsky.social @sandraduharcourt.bsky.social · 08/09/2026
Very 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.social
rdcu.be
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Genome Biology and Evolution @genomebiolevol.bsky.social · 07/09/2026
Evseeva et al. sequenced a historic plant pathogen outbreak that swept across the island of Martinique, highlighting the role of horizontal transfer in shaping the ecological success of the emerging pathogen Ralstonia spp. 🔗 academic.oup.com/gbe/article/... #societyjournal #genome #evolution
academic.oup.com
Interspecies Exchange of Mobile Genetic Elements During a Plant Disease Outbreak
Abstract. Outbreak sequencing provides insight into the origin and evolutionary processes acting on emerging pathogens. Sequencing a historic multihost out
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Reposted by Cecile Lorrain
Job Dekker @jobdekker.bsky.social · 24/08/2026
How do nuclear compartments form inside cell nuclei? We show RNA glues certain loci together to form a nuclear compartment. This involves special GC-rich regions of highly expressed genes that also associate with nuclear speckles, but interactions between these loci are independent of speckles!
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New Phytologist @newphyt.bsky.social · 04/09/2026
Spray- vs. Host-induced gene silencing: what 89 studies reveal about fighting fungal disease Patrick Barth, Jakob Drumm, Alexandra Erika Schmidt, Florian Hartig and Aline Koch nph.onlinelibrary.wiley.com/doi/10.1111/... #PlantScience @florianhartig.bsky.social
Mechanistic interpretation of RNAi efficiency across fungal lifestyles and delivery strategies based on the present meta-analysis.
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Cecile Lorrain @ccilelorrain.bsky.social · 31/08/2026
Now accepted: Haplotype-phased assemblies of the two poplar rust fungi species: Melampsora larici-populina and Melampsora allii-populina academic.oup.com/g3journal/ar...
academic.oup.com
Haplotype-phased assemblies of the two poplar rust fungi species: Melampsora larici-populina and Melampsora allii-populina
Abstract. Dikaryotic rust fungi maintain two distinct haploid nuclei for most of their life cycle, making their large, repeat-rich genomes difficult to ass
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Martial Marbouty @mmarbout.bsky.social · 30/08/2026
🚨 ‼️ NEW PUBLICATION ‼️ While we start to know a lot about how bacterial genomes are organized in 3D, almost nothing is known about phage genome once it enters a bacterial cell. read the paper here: www.science.org/doi/10.1126/...
science.org
Bacteriophage PAK_P3 genome structuration and dynamics during infection of Pseudomonas aeruginosa reveal specific interaction patterns
While the dynamic changes in genome organization in cellular organisms have been well described, the three-dimensional (3D) folding of phage genomes during the infection of their host is extremely lim...
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bioRxiv Plant Bio @biorxiv-plants.bsky.social · 26/08/2026
Chromatin-Assisted Targeting Enables Precise DNA Methylation Editing in Plants www.biorxiv.org/content/10.64898/20…
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bioRxiv Genomics @biorxiv-genomic.bsky.social · 26/08/2026
TEDDY: An integrative workflow for TE-chimeric isoform reconstruction and systematic characterization of TE-dependent transcriptional regulation www.biorxiv.org/content/10.64898/20…
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Marc A. Marti-Renom @mamartirenom.bsky.social · 26/08/2026
Love it! "Equally important though is how a 'basic science' observation in studies of *3D genome reorganization* during senescence can lead to 'applications'!" Congrats Papantonis Lab! 👇🏻👇🏻👇🏻👇🏻👇🏻
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Susanne Bornelöv @susbo.bsky.social · 22/08/2026
Delighted and very proud to see our study (and Anna-Maria's first first-author paper) recently out in PNAS: www.pnas.org/doi/10.1073/... @cambiochem.bsky.social @cruk-ci.bsky.social 1/5
pnas.org
Lifestyles of Gypsy-family transposons shape their regulatory mechanisms | PNAS
Transposable elements (TEs) are a highly diverse group of selfish genomic elements, prevalent across the tree of life, whose uncontrolled propagati...
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bioRxiv Plant Bio @biorxiv-plants.bsky.social · 19/08/2026
A pathogen α-L-arabinofuranosidase degrades host-derived immunogenic oligosaccharides to suppress plant immunity www.biorxiv.org/content/10.64898/20…
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Arvid Ågren @arvidagren.bsky.social · 18/08/2026
New 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...
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Nature Microbiology @natmicrobiol.nature.com · 27/06/2026
Out Now! Complex multicellularity is linked with expanded specialized metabolite production in microorganisms #MicroSky
go.nature.com
Complex multicellularity is linked with expanded specialized metabolite production in microorganisms
Nature Microbiology, Published online: 26 June 2026; doi:10.1038/s41564-026-02385-5The evolutionary emergence of complex multicellularity in bacteria and fungi, such as the ability for mycelial growth, is strongly associated with increased genomic carriage of biosynthetic machinery for producing specialized chemical metabolites.
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jpgerdt.bsky.social @jpgerdt.bsky.social · 24/07/2026
Ruibao's first paper from the lab is out in @nature.com . www.nature.com/articles/s41.... Collab with @multicellgenome.bsky.social & @jennahed.bsky.social. How did cells stick together and form the first animals? The protist Ministeria suggests cellular aggregation had a role. @iuqcb.bsky.social
nature.com
A unicellular relative links aggregative multicellularity to animal origins - Nature
Aggregative multicellularity was key to the evolution of the multicellular animal genetic toolkit.
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Arnau Sebé-Pedrós @arnausebe.bsky.social · 03/08/2026
Happy to share the final version of our study on the evolution of chromatin states across eukaryotes, out today in @natgenet.nature.com Led by @crisnava.bsky.social and @seanamontgomery.bsky.social www.nature.com/articles/s41... Some highlights below
nature.com
Diversity and evolution of chromatin regulatory states across eukaryotes - Nature Genetics
This study introduces iChIP2, a low-input chromatin immunoprecipitation followed by sequencing method that profiles histone post-translational modifications (hPTMs) simultaneously across diverse eukar...
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Team Thomma @teamthomma.bsky.social · 28/07/2026
This adds another piece to an emerging evolutionary picture: many fungal effectors may not have evolved de novo to manipulate hosts. Instead, they started as antimicrobial proteins to compete with other microbes — and were repeatedly repurposed as fungi adapted to host-associated lifestyles.
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GreenRobust @greenrobust.de · 29/07/2026
New GreenRobust publication by the group of Eric Kemen on using machine learning to identify beneficial microbiota: www.nature.com/articles/s41...
nature.com
Machine learning reveals biocontrol agents shaping disease outcome in natural Arabidopsis populations - Nature Communications
Plants can recruit beneficial microbes to suppress pathogens, offering a route to rational biocontrol beyond empirical screening. Here, the authors use machine learning to identify disease-associated ...
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Reposted by Cecile Lorrain
Team Thomma @teamthomma.bsky.social · 28/07/2026
📣 New preprint! 🧵 Fantastic work led by @antonkraege.bsky.social Fact: Cerato-platanins are everywhere in fungi. Found across the fungal kingdom, implicated in everything from development to virulence to immune activation. But what do they *actually* do? We finally found the answer 👇
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Janina Rinke @jannelrinke.bsky.social · 02/07/2026
Excited to share that our paper on Horizontal Gene Transfer is now out in its final form in @gigascience.bsky.social! 🥳 By analysing 163 high-quality ant genomes, we show that HGT from bacteria is widespread across the ants and likely has adaptive functions! doi.org/10.1093/giga... 🐜📸: Alex Wild
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Stirling Churchman @stirlingchurchman.bsky.social · 28/07/2026
RNA-seq tells us how much RNA is present in the cell. But to understand gene regulation, we need to easily measure the synthesis and decay rates driving this abundance. We introduce AIR-seq: analog intrinsic recoding sequencing. (1/6) www.biorxiv.org/content/10.6...
biorxiv.org
Analog intrinsic recoding measures RNA dynamics without chemical conversion
Steady-state RNA abundance measurements mask the synthesis and decay rates that shape gene expression. Analog intrinsic recoding sequencing (AIR-seq) repurposes the base-pairing properties of N4-hydro...
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Reposted by Cecile Lorrain
Lars Eicholt @lacholt.bsky.social · 25/07/2026
New preprint: how are young and old proteins distributed in sequence space? 🌌 Comparing de novo, intergenic and canonical proteins from yeast and fly with length- and composition-matched randomized controls, using alignment-free k-mer distances. 1/7 doi.org/10.64898/202...
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Benoit Bruneau @benoitbruneau.bsky.social · 23/07/2026
our paper starts with an analysis of the dynamics of 3D chromatin in cardiac differentiation, for ventricular and atrial cardiomyocytes. They are different! And by single cell methyl-HiC we can discern subtype differences. www.science.org/doi/10.1126/...
science.org
Dose-dependent sensitivity of human three-dimensional chromatin to a heart disease–linked transcription factor
Dosage-sensitive transcription factors (TFs) underlie altered gene regulation in human developmental disorders, and cell type–specific gene regulation is linked to the reorganization of three-dimensio...
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bioRxiv Genetics @biorxiv-genetic.bsky.social · 24/07/2026
Programmed chromosome elimination correlates with the overexpression of cohesin and additional B chromosome-encoded genes in Aegilops speltoides www.biorxiv.org/content/10.64898/20…
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Cedric Feschotte @cedricfeschotte.bsky.social · 22/07/2026
Super proud and excited about this work, led masterfully by Peiwei Chen! A fun and fruitful collaboration with department colleagues Andy Clark & Alexei Aravin. After 30 yrs of studying transposons, this is one of the very first times I see them jump in real time in their natural host! Hurrah! 🥳
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Anders Sejr Hansen @andersshansen.bsky.social · 14/07/2026
Very interesting and comprehensive study using synthetic activation of enhancers to probe the rules of distal vs. proximal gene regulations:
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bioRxiv Genomics @biorxiv-genomic.bsky.social · 09/07/2026
COMPARATIVE GENOMIC ANALYSIS OF CORE AND ACCESSORY GENES IN RUST FUNGI REVEALS PATHOGENICITY-ASSOCIATED GENE FAMILIES IN Phakopsora pachyrhizi www.biorxiv.org/content/10.64898/20…
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Earth BioGenome Project 🌍 @ebpgenome.bsky.social · 09/07/2026
🐦 Why are bird genomes so difficult to assemble? Birds have dozens of tiny, gene-rich microchromosomes that are frequently fragmented, misplaced, or missing from genome assemblies despite containing important genetic information. 📖 Read the publication: lnkd.in/gar-GrKZ #BirdGenomics #Biodiversity
A promotional graphic on a black background featuring a collage of more than 30 brightly colored bird species from around the world, including birds-of-paradise, toucans, parrots, hummingbirds, flamingos, cranes, owls, kingfishers, waterfowl, raptors, and songbirds. The birds are arranged around the centered text, "MicroFinder Is Now Available," with "MicroFinder" in gold and "Is Now Available" in white. The image highlights the diversity of avian species and announces the release of the MicroFinder computational tool for improving bird genome assemblies.
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New Phytologist @newphyt.bsky.social · 02/07/2026
Gene regulatory networks to decipher tomato multi-pathogen interactions Multari et al. nph.onlinelibrary.wiley.com/doi/10.1111/...
GENIAL framework. Summary of the main steps of the framework to infer and analyze GRN.
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Nitika Taneja @TanejaLab @nitikataneja.bsky.social · 01/07/2026
Very excited to share our new Nature study! We discovered that replication stress stabilizes CTCF-dependent chromatin loops enclosing stressed nascent DNA, where G9a-mediated heterochromatin protects it from nucleolytic degradation. rdcu.be/frzLg Huge thanks to all our collaborators and co-authors!
nature.com
Replication-stress-induced chromatin loops protect fork stability - Nature
Replication stress induces the formation of transient chromatin loops that enclose de novo heterochromatin-enriched stalled replication forks.
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bioRxiv Genomics @biorxiv-genomic.bsky.social · 01/07/2026
A conserved architectural domain shapes centromere evolution in Drosophila www.biorxiv.org/content/10.64898/20…
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Genome Biology and Evolution @genomebiolevol.bsky.social · 29/06/2026
Interested on latest research on the evolution of the first forms of life? Drop by Inder Raj Sing's poster, where he will be showing work from his GBE paper on pre-LUCA TF evolution. 📋 Poster Session A 🗓️ June 29, 6 pm Read the paper here 👉 doi.org/10.1093/gbe/evag141 #SMBE2026 #societyjournal
doi.org
Early Evolution of the Prokaryotic Transcription Factor Repertoire
Abstract. Transcription initiation is regulated by transcription factors (TFs). Though TFs determine phenotype, they are nonessential for minimal cellular
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Plant Science Spotlight @plant-sci.bsky.social · 29/06/2026
🌾🧬Plants face multifactorial stress, not single stressors. Combination specific regulatory modules coordinate protective pathways like ROS buffering. Integrative tools offers a path to climate smart crops #plantscience @abioticstress.bsky.social www.sciencedirect.com/science/arti...
sciencedirect.com
Distinct regulatory networks mediate plant adaptation to multifactorial abiotic stress combinations: rethinking of plant stress genetics
Plants in natural environments often encounter multifactorial abiotic stress combinations that trigger regulatory responses distinct from those trigge…
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bioRxiv Genomics @biorxiv-genomic.bsky.social · 26/06/2026
Novel Drosophila cis-regulatory elements can be uncovered by footprinting transcription factor binding sites in ATAC-seq data www.biorxiv.org/content/10.64898/20…
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inrae-bioger.bsky.social @inrae-bioger.bsky.social · 26/06/2026
PhD position open @inrae-bioger.bsky.social ⬇️
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bioRxiv Genomics @biorxiv-genomic.bsky.social · 18/06/2026
Hi-C data from the filamentous fungus Podospora anserina and associated 3D models to visualize the spatial organization of its chromosomes www.biorxiv.org/content/10.64898/20…
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Trends in Genetics @cp-trendsgenetics.bsky.social · 18/06/2026
"A role for epigenetics in rapid adaptation" by Reid S. Brennan & Melissa H. Pespeni "Epigenetic variation may be key to rapid adaptation and can interact with genetic change during evolutionary rescue. However, key questions remain.." FREE till Aug. 7th at authors.elsevier.com/a/1nH%7EscQb...
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Thomas Badet @tbadet.bsky.social · 11/06/2026
Nearly a year after our symposium on Repeat-Induced Point (RIP) mutations, I’m happy to share the fruit of some of our discussions. The fungal RIP hypermutator mechanism has deep eukaryotic roots www.sciencedirect.com/science/arti... We hope to spark interest in this underappreciated mechanism.
Evolution of major eukaryotic genome defense systems.
The figure is organized along two axes representing core mechanistic features (homology recognition, small interfering RNA, and
heterochromatin assembly) and their lineage-specific elaborations. We hypothesize that a recombination-independent DNA
homology recognition system present in the eukaryotic common ancestor facilitated the emergence of both heterochromatin
assembly and small RNA-based repeat silencing. From this conserved ancestral core, lineage-specific gene neofunctionalizations
gave rise to distinct defense pathways: the RdDM pathway in plants; the piRNA and KRAB–ZFP pathways in vertebrates; and the
repeat-induced point mutation (RIP), methylation induced premeiotically (MIP), MSUD, and tandem repeat-induced sexual silencing
(TRISS) systems in filamentous ascomycete fungi. Question marks indicate steps for which the molecular mechanisms remain
unknown.
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The Plant Cell @theplantcell.bsky.social · 08/06/2026
LIKE HETEROCHROMATIN PROTEIN 1: a Polycomb-beyond composite regulator of chromatin in development, stress, and defense doi.org/10.1093/plce... #PlantScience @aspbofficial
doi.org
LIKE HETEROCHROMATIN PROTEIN 1: a Polycomb-beyond composite regulator of chromatin in development, stress, and defense
Abstract. Amid its dynamic roles within Polycomb group (PcG) complexes, a growing body of work shows that LIKE HETEROCHROMATIN PROTEIN 1 (LHP1) interacts w
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Frédéric Suffert @wheatpath.bsky.social · 08/06/2026
A funded PhD position for studying wheat pathogen adaptation to climate factors is open in my lab @inrae-bioger.bsky.social @univparissaclay.bsky.social in collab. @jki-research.bsky.social (Germany), with a start planned for autumn 2026 ▶️ eng-bioger.versailles-saclay.hub.inrae.fr/teams-and-pl...
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Society for Molecular Biology and Evolution @official-smbe.bsky.social · 04/06/2026
#SMBE2026 S03: Genome Plasticity and Evolutionary Innovation 🗓️ Tue Jun 30, 10:20 am - Part 1 🗓️ Tue Jun 30, 1:20 pm - Part 2 🔗 smbe2026.org/programme
SMBE | Genome plasticity and evolutionary innovation
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Muriel Viaud @muriel-viaud.bsky.social · 03/06/2026
Happy to share our work! 🍄🍇 Botrytis cinerea grapevine-specialized strains harbor a specific repertoire of transposons. While retrotransposon-derived small RNAs do not appear to play a significant role in virulence on grapevine, a new giant transposon—a #Starship— confers arsenic resistance.
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Alex de Mendoza @alexdemendoza.bsky.social · 02/06/2026
Capolavoro 🎨 alert 🚨! What is the role of gene body methylation in invertebrates? Despite extensive speculation linking it to plasticity and environmental responses, its mechanistic effects and heritability remain unclear. Our take out in @natecoevo.nature.com: www.nature.com/articles/s41... 1/
nature.com
Gene body methylation suppresses intragenic transcription and permits epigenetic inheritance in a cnidarian - Nature Ecology & Evolution
Experiments in the cnidarian Nematostella vectensis show a role of gene body methylation in transposable element suppression and that epigenetic inheritance is constrained by chromatin context and tra...
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