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Sheila Roitman

@sheilaroitman.bsky.social
491 followers 595 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
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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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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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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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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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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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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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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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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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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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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Reposted by Sheila Roitman
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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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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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
@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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BejaLabTechnion @bejalab.bsky.social · 12/11/2025
Viral NblA proteins negatively affect oceanic cyanobacterial photosynthesis www.nature.com/articles/s41... this project was led by @omernadel.bsky.social and is a joint work between the labs of @bejalab.bsky.social, Debbie Lindell and Oded Kleifeld from @biologytechnion.bsky.social
media.tenor.com
the sun is shining through the clouds in the sky above the ocean
ALT: the sun is shining through the clouds in the sky above the ocean
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BejaLabTechnion @bejalab.bsky.social · 09/11/2025
Call for Applications for the Azrieli International Postdoctoral Fellowship-2026-27 azrielifoundation.org/azrieli-fell...
azrielifoundation.org
Call for Applications for the Azrieli International Postdoctoral Fellowship-2026-27 - The Azrieli Foundation
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Paul Rainey @paulbrainey.bsky.social · 28/10/2025
@prczhaoyansong.bsky.social’s deep dive into the dark matter of compost communities is now out 🎉 Genomic islands hijack jumbo phages—whose capsids enable transfer of large tracts of DNA—shedding new light on the scale & scope of phage-mediated gene flow 😎 www.pnas.org/doi/10.1073/...
pnas.org
Jumbo phage–mediated transduction of genomic islands | PNAS
Bacteria acquire new genes by horizontal gene transfer, typically mediated by mobile genetic elements (MGEs). While plasmids, bacteriophages, and c...
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Oded Rechavi @odedrechavi.bsky.social · 28/10/2025
Having a PhD means you can find the word “unfortunately” in an email faster that the search function
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PlantEvolution 🌱🌾 @plantevolution.bsky.social · 27/10/2025
1/2 Want to become up to date with pangenomes and genome graphs and their history? Check out this fantastic review by @zbao.bsky.social! Complexity welcome: Pangenome graphs for comprehensive population genomics #pangenomes #plantscience #genomegraphs www.cambridge.org/core/journal...
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Oded Rechavi @odedrechavi.bsky.social · 15/10/2025
Here's the link to the system, try it! qedscience.com @qedscience.bsky.social
qedscience.com
q.e.d Science
Critical Thinking AI for constructive criticism and science evaluation
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Julia Frunzke @frunzkelab.bsky.social · 08/10/2025
Please RT: We have an opening for a junior group leader position in „Phage Biology & Biotechnology“. www.fz-juelich.de/de/karriere/... Interested candidates are encouraged to contact me via email for further details. @spp2330.bsky.social; @mibinet.bsky.social
fz-juelich.de
Junior Group Leader - Phage Biology & Biotechnology
As a leading research institution for microbial biotechnology the Institute of Bio- and Geosciences - Biotechnology (IBG-1, https://www.fz-juelich.de/de/ibg/ibg-1 ) at the Forschungszentrum Jülich foc...
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Sheila Roitman @sheilaroitman.bsky.social · 22/09/2025
www.haaretz.co.il/opinions/202...
haaretz.co.il
עבורי זה לא ערב חג. זה עוד ערב כואב של המתנה לקריאה לבוא לאסוף את איתן | דעה
"איך ההרגשה בערב חג נוסף בו בנך עדין בשבי?". כך נפתח כל ראיון בשבוע האחרון. אז אלו הן המחשבות בערב השנה החדשה ובפתחו של שבוע נוסף של פחד, כאב וגעגוע לבני הצעיר
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Mónica Medina @momedinamunoz.bsky.social · 16/09/2025
Looking forward to attending and presenting on "coral bacterial pangenomes in the Anthropocene: at this conference in beautiful Valencia, Spain www.alocongress.com/pangenome2025 Join us! 🧪🪸🦠🧬🖥️
alocongress.com
PANGENOME2025
The biology of prokaryotic cells is directly dependent on the differential gene pools that characterize each cell or strain. This has been a fundamental aspect of epidemiology for delimiting outbreaks...
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BejaLabTechnion @bejalab.bsky.social · 15/09/2025
v2. Evidence for the acquisition of a proteorhodopsin-like rhodopsin by a chrysophyte-infecting giant virus www.biorxiv.org/content/10.1...
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PlantEvolution 🌱🌾 @plantevolution.bsky.social · 02/09/2025
New tool for clustering bacterial genomes: PanGene-O-Meter, provides a higher level of granularity than ANI when classifying bacterial isolates of the same species. Work of the talented @haimashkenazy.bsky.social www.biorxiv.org/content/10.1...
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Sheila Roitman @sheilaroitman.bsky.social · 02/09/2025
How diverse are the individual strains within your species? How broad is their Pangenome? How will you choose representatives from the whole collection? Look no further! PanGene-O-Meter is here for you! From @haimashkenazy.bsky.social @plantevolution.bsky.social www.biorxiv.org/content/10.1...
biorxiv.org
PanGene-O-Meter: Intra-Species Diversity Based on Gene-Content
Bacterial genome evolution is shaped to a great extent by horizontal gene transfer, detectable as genes with a presence-absence pattern of variation that does not follow phylogenetic relationships acr...
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RayV @rayv.bsky.social · 03/08/2025
קם פרויקט להעברת תרכובות הזנה לתינוקות (תמ״ל) בעזה, בהובלת ד״ר דייויד חסאן, והאיגוד האירופי לרפואת ילדים, שהצליח כבר להעביר אלפי בקבוקי פורמולה לעזה אחרי בירוקרטיה לא פשוטה, וגם בהובלת אנשי רפואה ישראלים. להלן הלינק לתרומות: www.thechildrensvillagegaza.org/eap אשמח אם תשתפו הלאה.
thechildrensvillagegaza.org
EAP | The Gaza Children
Support our emergency appeal with EAP to provide life-saving baby formula to newborns and young children in Gaza. Your donation helps deliver critical nutrition to those suffering from severe hunger a...
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Sheila Roitman @sheilaroitman.bsky.social · 04/08/2025
Please consider donating to Standing Together, a non-profit movement of Israeli Jewish and Palestinian people for a better future built from within. causematch.com/standing_tog...
causematch.com
Fighting for Life - Standing Together Crowdfunder
Donate now to Standing Together, the largest grassroots Jewish-Palestinian movement in Israel
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Josie Glausiusz @josiegz.bsky.social · 04/08/2025
Ilay David, brother of Israeli hostage Evyatar David, who was seen in a video published by Hamas on Saturday, said there is "immediate danger" to his brother's life, and that he will die within days if he does not receive food and medicine. www.haaretz.com/israel-news/...
haaretz.com
Hostage Evyatar David's brother: Video released by Hamas 'broke' our father
***
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BejaLabTechnion @bejalab.bsky.social · 03/08/2025
our new paper on pelagic #Asgard archaea that use #rhodopsins with carotenoid antennas to harvest light energy in the oceans. Structural insights into light-harvesting by antenna-containing rhodopsins in marine Asgard archaea www.nature.com/articles/s41... @galitzlil.bsky.social
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Ehud @duhe.bsky.social · 03/08/2025
www.thechildrensvillagegaza.org/eap
thechildrensvillagegaza.org
EAP | The Gaza Children
Support our emergency appeal with EAP to provide life-saving baby formula to newborns and young children in Gaza. Your donation helps deliver critical nutrition to those suffering from severe hunger a...
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