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Sheila Roitman

@sheilaroitman.bsky.social
495 followers 597 following 72 posts

Moving from Sci-Fi to Science 🔬📚🪴🤿🏕️🇦🇷 🇮🇱 Post-doc at WeigelWorld 🇩🇪, Plants & microbes Past: PhD at Beja Lab, Marine microbiology

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Reposted by Sheila Roitman
Gal Ofir @galofir.bsky.social · 22h
A new plant-bacteria immunological connection in the first preprint of our group at @mpi-bio-fml.bsky.social @plantevolution.bsky.social! Straight from the top of Mt. Olympus ⛰️🦅 Led by Eirik @eiriklag.bsky.social, in collaboration with @geminiteamlab.bsky.social www.biorxiv.org/content/10.6...
Our preprint with the view from the top of the Olympus in the background
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Nature Microbiology @natmicrobiol.nature.com · 05/10/2026
Out Now! Thiamine cross-feeding drives microbial coexistence in the leaf microbiome #MicroSky
go.nature.com
Thiamine cross-feeding drives microbial coexistence in the leaf microbiome
Nature Microbiology, Published online: 05 October 2026; doi:10.1038/s41564-026-02499-wEvolution of nutrient cross-feeding between a yeast and oomycete mediates microbial coexistence and leaf microbiome stability.
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Eirik Lågeide @eiriklag.bsky.social · 01/10/2026
Very excited to share the first preprint from my PhD with the community! This is also the first paper from the Plant Immunogenomics group with @galofir.bsky.social, so stay tuned for more! www.biorxiv.org/content/10.6... 1/n 🧵
biorxiv.org
NO VEIN is an ancestral immunity protein involved in plant-virus interaction
The conservation of immune systems from prokaryotes to eukaryotes can guide discovery of immunity genes across the tree of life. Most studies to date have focused on metazoan systems, while the extent...
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Sheila Roitman @sheilaroitman.bsky.social · 01/09/2026
#NotAllAlgae 😉
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Reposted by Sheila Roitman
Ehud @duhe.bsky.social · 31/08/2026
Prof. Ada Yonath, Nobel Laureate and a Model of Scientific Perseverance, Has Passed Away wis-wander.weizmann.ac.il/people/prof-...
wis-wander.weizmann.ac.il
Prof. Ada Yonath, Nobel Laureate and a Model of Scientific Perseverance, Has Passed Away - Weizmann Wonder Wander - News, Features and Discoveries
From pursuing an impossible dream to uncovering one of the cell’s best-kept secrets and advancing the design of improved antibiotics
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Sheila Roitman @sheilaroitman.bsky.social · 31/08/2026
You should gift us a few of these each day
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Reposted by Sheila Roitman
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 Sheila Roitman
Isabel Monte @isabelmonte.bsky.social · 17/07/2026
Deadline extended 📢 Submit your abstract for the #PPRM2026 by July 29th! Check our fantastic lineup of invited speakers and come join us discuss all things #plant peptide receptors 🌱 Please spread the word and see you in Freising (Germany) from September 14 to 16 😊 www.events.tum.de/frontend/ind...
Flyer of the Plant Peptide Receptor Meeting 2026 (September 14-16, Freising, Germany) showing cell-surface receptors on the plasma membrane against a background showing Freising. The QR code will lead to the PPRM2026 website where you can register and submit your abstract by July 29th.
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GeminiTeamLab @geminiteamlab.bsky.social · 25/07/2026
How does a geminivirus replicate its genome using a pick&mix strategy with host proteins? 🦠🦠🌱🧬 Our new preprint identifies plant proteins repurposed by geminiviruses to carry out rolling-circle replication. Congrats @chaonan123.bsky.social , who spearheaded this work! www.biorxiv.org/content/10.6...
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Ahmed Elewa @inperience.bsky.social · 16/07/2026
Welcoming graduate students who want to ask big questions with small worms. We study non-genetic inheritance in C. elegans, asking how parental experiences are encoded in gametes and decoded by offspring. Visit miamioh.edu/cas/graduate... and ahmedelewa.com for more information.
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Sheila Roitman @sheilaroitman.bsky.social · 15/07/2026
😶‍🌫️
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Oliver Bossdorf @bossdorf.bsky.social · 07/07/2026
JOB ALERT! 3-year postdoc position to work on plant robustness in an interdisciplinary project. Great for somebody with experience who can take a central role, coordinate experiments and co-supervise students, and contribute conceptually. @greenrobust.de @unituebingen.bsky.social Please re-post.
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Sheila Roitman @sheilaroitman.bsky.social · 30/06/2026
Congrats Yehu!
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Nature Microbiology @natmicrobiol.nature.com · 24/06/2026
Out Now! Phages tame plant pathogens #MicroSky
go.nature.com
Phages tame plant pathogens
Nature Microbiology, Published online: 23 June 2026; doi:10.1038/s41564-026-02395-3Predicting infection heterogeneity requires looking beyond the host. Phage–bacteria coevolution in tomato fields maintains diverse bacterial strategies and explains uneven disease occurrence across plant populations.
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Vardilab @vardilab.bsky.social · 08/06/2026
📣 A new preprint by noashima.bsky.social! 📣 How does ocean warming affect viral infection? Infection of algae by a giant virus is arrested intracellularly under elevated temperature, with the late replication stage blocked. Infection can later resume, revealing a reversible arrest state 🌊
biorxiv.org
Reversible inhibition of viral life cycle in response to elevated temperature in a bloom-forming alga
Ocean warming is expected to reshape microbial interactions and community composition, with profound consequences for marine biogeochemical cycles. Host virus dynamics are central to these processes, ...
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Reposted by Sheila Roitman
Jesse Shapiro @bjesseshapiro.bsky.social · 05/06/2026
Cheap and easy method for nanopore sequencing phage DNA directly from plaques. Proud of lab members Brenna and Patrick for doing this work *with absolutely no help from me* !! www.nature.com/articles/s41...
nature.com
Same-day tagmentation PCR-based whole genome sequencing of bacteriophage genomes from a single plaque without DNA extraction - Scientific Reports
Scientific Reports - Same-day tagmentation PCR-based whole genome sequencing of bacteriophage genomes from a single plaque without DNA extraction
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BejaLabTechnion @bejalab.bsky.social · 20/05/2026
we got the cover!!! Novel light-driven schizorhodopsins from Antarctic Minisyncoccota (Patescibacteria) and cyanobacteria www.sciencedirect.com/science/arti...
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BejaLabTechnion @bejalab.bsky.social · 18/05/2026
Latent endogenous giant viruses drive active infection and inheritance in a multicellular algal host www.nature.com/articles/s41...
nature.com
Latent endogenous giant viruses drive active infection and inheritance in a multicellular algal host - Nature Microbiology
Giant endogenous viral elements integrated into the multicellular alga Ectocarpus are reactivated by specific temperature cues, driving productive latent viral infections.
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Sheila Roitman @sheilaroitman.bsky.social · 12/05/2026
Is there a link to download the app?
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Natanella Illouz-Eliaz @natanellae.bsky.social · 12/05/2026
Excited to share that I will be opening my lab this fall at the @weizmanninstitute.bsky.social in the Department of Plant & Environmental Sciences! I am looking for postdocs interested in plant biology, stress biology, and single-cell technologies. #PlantBiology #SingleCell #Epigenomics #Postdoc
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Ákos T Kovács @evolvedbiofilm.bsky.social · 11/05/2026
Join our institute in Leiden as Assistant/Associate/Full Professor Plant Molecular (and Cell) Biology at Institute of Biology Leiden (IBL) @leidenscience.bsky.social @unileiden.bsky.social Applying is possible until: 7 juni 2026 careers.universiteitleiden.nl/job/Assistan...
careers.universiteitleiden.nl
Assistant/Associate/Full Professor Plant Molecular (and Cell) Biology
Assistant/Associate/Full Professor Plant Molecular (and Cell) Biology
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Sheila Roitman @sheilaroitman.bsky.social · 11/05/2026
On one hand you don't want any more P1 named phages, on the other hand there was a paper with phages called based on nordic mountain peaks and could not tell who is who 😅. I vote for you two to the phage name committee ❤️
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Reposted by Sheila Roitman
Asher Leeks @asherleeks.bsky.social · 14/04/2026
The Social Lives of Viruses is coming to Vancouver, Canada, from 4th-8th August 2026! This is a free meeting dedicated to all aspects of virus-virus interactions & evolution. To apply: socialviruses.zoology.ubc.ca @sociovirology.bsky.social #socialviruses #evosky #lovevirology #virosky
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Michael Brockhurst @brockhurstlab.bsky.social · 01/05/2026
Join us! @wellcometrust.bsky.social postdoc position using experimental evolution to understand real-world resistance dynamics. See preprint for the 🤯 strain collection we will be working with www.biorxiv.org/content/10.6... Closing 15 May. Apply: www.jobs.manchester.ac.uk/Job/JobDetai... #mevosky
biorxiv.org
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J. Craig Venter Institute @jcvi.org · 30/04/2026
It is with great sadness that we announce J. Craig Venter has died. 🧪🧬 www.jcvi.org/media-center...
jcvi.org
J. Craig Venter, genomics pioneer and founder of JCVI and Diploid Genomics, Inc., dies at 79
La Jolla, California—April 29, 2026—The J. Craig Venter Institute (JCVI) announced that J. Craig Venter, Ph.D., the Institute’s founder, board...
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Clara Torres-Barceló @clara-inrae.bsky.social · 29/04/2026
🚨 We’re looking for a PhD student to join @phimresearch.bsky.social and explore phages in emerging rice epidemics 🌾 We will investigate phage–bacteria interactions and the seed microbiome/phageome. #phd #phage #plantscience #microbiome #scijobs ‪ 👉 More info: tinyurl.com/yhc2fa7
filesender.renater.fr
FileSender
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Reposted by Sheila Roitman
PlantEvolution 🌱🌾 @plantevolution.bsky.social · 16/04/2026
1/8 🔥 New preprint dropped: Dynamic co-existence of bacteriophages and their hosts 🦠 in the Arabidopsis thaliana 🌱 phyllosphere Work led by the indomitable @sheilaroitman.bsky.social‬ #plantscience #microbiome #holobiont www.biorxiv.org/content/10.6...
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Sheila Roitman @sheilaroitman.bsky.social · 16/04/2026
Thank you!
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Moshe Alon @naturalist1986.bsky.social · 09/04/2026
Wild legume performance is shaped by whole nodule microbiome profile, including non-rhizobial endophytes (NREs). Sulfur assimilation by NREs and type VI secretion system in rhizobial symbionts strongly associated with host traits. New Preprint! @finkel-lab.bsky.social www.biorxiv.org/content/10.6...
biorxiv.org
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Sheila Roitman @sheilaroitman.bsky.social · 08/04/2026
These should be made stamps
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Prof. Ruth Ley FRS @microbiome.bsky.social · 14/03/2026
Announcing StrainVis! 🦠🧫🧪 www.biorxiv.org/content/10.6... This nifty web-based tool allows you to visualize your strain level analyses. You can combine ANI and synteny based analyses and it will make all kinds of cool publication ready plots for you - examples follow. By Hagay Enav and Inbal Paz:
biorxiv.org
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Asaf Levy @asaflevylab.bsky.social · 26/01/2026
A new paper from the lab on virus-like particles called eCISs www.nature.com/articles/s41... How bacteria evolved thousands of precision nanoinjectors? Some bacteria don’t secrete toxins — they inject them using phage-derived machines called extracellular contractile injection systems (eCISs).
nature.com
A comprehensive catalogue of receptor-binding domains in extracellular contractile injection systems - Nature Communications
Extracellular contractile injection systems (eCISs) are bacteriophage tail-derived toxin delivery complexes that are present in many prokaryotes. Here, the authors present an analysis of eCIS tail fib...
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Cyanotrans @cyanotrans.bsky.social · 13/01/2026
Phycocyanobilin biosynthesis in Galdieria sulphuraria requires isomerization of phycoerythrobilin synthesized by bilin reductases febs.onlinelibrary.wiley.com/doi/10.1111/...
febs.onlinelibrary.wiley.com
FEBS Press
The biosynthesis of bilins, tetrapyrroles essential for light harvesting and sensing, is performed by specific enzymes (FDBRs). In Galdieria sulphuraria, both phycobiliprotein types bind phycocyanobi...
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Maya Voichek @mayavoichek.bsky.social · 11/01/2026
The (Yoav) Voichek lab has opened its gates at the Weizmann Institute, and is actively recruiting students and researchers at all levels - come explore gene regulation and computational genomics in a fun, friendly sprouting lab 🤗🥼⚗️🧪 www.weizmann.ac.il/plants/voichek
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PlantEvolution 🌱🌾 @plantevolution.bsky.social · 08/01/2026
Out after peer review, led by @shanshanwang3.bsky.social. Gating of immune responses in Arabidopsis mesophyll cells: after initial response, immune gene expression stays hi in some cells, while during PTI other cells reinitiate a growth-related program. nph.onlinelibrary.wiley.com/doi/10.1111/...
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Ville Friman @frimanscience.bsky.social · 29/12/2025
A four-year postdoc focusing on "plant growth-promoting bacteriophages" available in my group. Skills in metaviromics and metagenomics essential. Application deadline: 2.2.2026. For more info, see the link.
jobs.helsinki.fi
Postdoctoral Researcher in discovering the benefits of plant growth-promoting bacteriophages
Postdoctoral Researcher in discovering the benefits of plant growth-promoting bacteriophages
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Sheila Roitman @sheilaroitman.bsky.social · 14/12/2025
Oh Josie, when you want someone who is always imagining the worse just come to me
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Michael Wagner @michiwagner4.bsky.social · 09/12/2025
This is such a cool paper as it experimentally addresses the role of the auxiliary metabolic gene nblA in cyanophages showing a large benefit of NblA to the cyanophage and a negative effect on the host photosynthetic apparatus and host photosynthesis www.nature.com/articles/s41...
nature.com
Viral NblA proteins negatively affect oceanic cyanobacterial photosynthesis - Nature
Viral NblA accelerates the cyanophage infection cycle, directs degradation of the host phycobilisome and other proteins, and reduces host photosynthetic light-harvesting efficiency.
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Sheila Roitman @sheilaroitman.bsky.social · 06/12/2025
Causality?
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Sheila Roitman @sheilaroitman.bsky.social · 06/12/2025
But do not despair, soon our dissident political leaders will also be prosecuted, and you will remember too 😅
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Sheila Roitman @sheilaroitman.bsky.social · 06/12/2025
People in the southern hemisphere do
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Sheila Roitman @sheilaroitman.bsky.social · 02/12/2025
AI people here don't speak about anything else (for days now)
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BejaLabTechnion @bejalab.bsky.social · 30/11/2025
Spectral tuning and signaling of diverse and most red sensitive visual rhodopsins that drive high colour discrimination in Mantis Shrimp eyes www.biorxiv.org/content/10.1...
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Branko Rihtman @cyanoney.bsky.social · 25/11/2025
2 days left to apply for a fully funded MIBTP Phd project with me at the School of Life Sciences @warwicklifesci.bsky.social at Warwick. We will do viral functional metagenomics and other cool techniques. Check out the details and apply in the link below warwick.ac.uk/fac/cross_fa...
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Yehu Moran @yehumoran.bsky.social · 25/11/2025
1/5 🚨🚨 preprint alert! 🚨🚨 I wish to introduce CARDIB, not the singer, but the protein. CARDIB=CARD Inhibitory Binding protein. In our new work we discover this antiviral protein that is found in all Anthozoa (sea anemones and corals 🪸) but not in other animals. www.biorxiv.org/content/10.1...
biorxiv.org
An ancient anthozoan protein reveals an alternative evolutionary path of antiviral signaling
How antiviral immunity first arose in animals is a central question in evolutionary biology. Using the sea anemone Nematostella vectensis, we identify CARDIB, a previously uncharacterized gene located...
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Brett Baker @archaeal.bsky.social · 21/11/2025
Today's dive site, to ~2,200m. We will be streaming 9am-3pm Central. At www.youtube.com/@SchmidtOcean #AsgardArchaea @schmidtocean.bsky.social @moorefound.bsky.social @texasscience.bsky.social @utmsi.bsky.social
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Sheila Roitman @sheilaroitman.bsky.social · 21/11/2025
That curly jellyfish was incredible
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Sheila Roitman @sheilaroitman.bsky.social · 21/11/2025
Livestream?
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Sheila Roitman @sheilaroitman.bsky.social · 21/11/2025
@honour.bsky.social casually having a snack while presenting her work on Ralstonia wars. As nonchalant as it gets 😎
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Nature @nature.com · 13/11/2025
Nature research paper: Viral NblA proteins negatively affect oceanic cyanobacterial photosynthesis go.nature.com/3JKJofG
go.nature.com
Viral NblA proteins negatively affect oceanic cyanobacterial photosynthesis - Nature
Viral NblA accelerates the cyanophage infection cycle, directs degradation of the host phycobilisome and other proteins, and reduces host photosynthetic light-harvesting efficiency.
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