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Posts by Sheila Roitman

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1/8 ๐Ÿ”ฅ New preprint dropped: Dynamic co-existence of bacteriophages and their hosts ๐Ÿฆ  in the Arabidopsis thaliana ๐ŸŒฑ phyllosphere
Work led by the indomitable @sheilaroitman.bsky.socialโ€ฌ
#plantscience #microbiome #holobiont
www.biorxiv.org/content/10.6...

5 days ago 73 42 3 1

Thank you!

4 days ago 1 0 0 0

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...

1 week ago 7 4 0 2

These should be made stamps

1 week ago 1 1 0 0

Announcing StrainVis! ๐Ÿฆ ๐Ÿงซ๐Ÿงช

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:

1 month ago 90 38 5 1
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...

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 donโ€™t secrete toxins โ€” they inject them using phage-derived machines called extracellular contractile injection systems (eCISs).

2 months ago 41 27 3 0
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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...

Phycocyanobilin biosynthesis in Galdieria sulphuraria requires isomerization of phycoerythrobilin synthesized by bilin reductases febs.onlinelibrary.wiley.com/doi/10.1111/...

3 months ago 1 2 0 0
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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 ๐Ÿค—๐Ÿฅผโš—๏ธ๐Ÿงช
www.weizmann.ac.il/plants/voichek

3 months ago 44 32 0 0
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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/...

3 months ago 45 15 1 1
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Postdoctoral Researcher in discovering the benefits of plant growth-promoting bacteriophages Postdoctoral Researcher in discovering the benefits of plant growth-promoting bacteriophages

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.

3 months ago 30 35 1 0

Oh Josie, when you want someone who is always imagining the worse just come to me

4 months ago 1 0 1 0
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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.

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...

4 months ago 9 6 0 0

Causality?

4 months ago 1 0 0 0

But do not despair, soon our dissident political leaders will also be prosecuted, and you will remember too ๐Ÿ˜…

4 months ago 1 0 0 0

People in the southern hemisphere do

4 months ago 1 0 1 0

AI people here don't speak about anything else (for days now)

4 months ago 2 1 0 0
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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...

4 months ago 9 2 1 0
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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...

4 months ago 6 4 0 0
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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...

1/5
๐Ÿšจ๐Ÿšจ preprint alert! ๐Ÿšจ๐Ÿšจ
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 ๐Ÿชธ) but not in other animals.
www.biorxiv.org/content/10.1...

4 months ago 34 10 2 1
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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

5 months ago 14 7 1 0

That curly jellyfish was incredible

4 months ago 1 0 0 0

Livestream?

4 months ago 0 0 1 0
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@honour.bsky.social casually having a snack while presenting her work on Ralstonia wars. As nonchalant as it gets ๐Ÿ˜Ž

5 months ago 6 0 1 1
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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.

Nature research paper: Viral NblA proteins negatively affect oceanic cyanobacterial photosynthesis

go.nature.com/3JKJofG

5 months ago 19 4 2 0
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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

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

5 months ago 47 28 9 2
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Call for Applications for the Azrieli International Postdoctoral Fellowship-2026-27 - The Azrieli Foundation

Call for Applications for the Azrieli International Postdoctoral Fellowship-2026-27 azrielifoundation.org/azrieli-fell...

5 months ago 4 4 1 0

Me too! ๐Ÿ˜…๐Ÿ˜…

5 months ago 1 0 0 0
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Jumbo phageโ€“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...

@prczhaoyansong.bsky.socialโ€™s deep dive into the dark matter of compost communities is now out ๐ŸŽ‰ Genomic islands hijack jumbo phagesโ€”whose capsids enable transfer of large tracts of DNAโ€”shedding new light on the scale & scope of phage-mediated gene flow ๐Ÿ˜Ž

www.pnas.org/doi/10.1073/...

5 months ago 71 46 1 2

Having a PhD means you can find the word โ€œunfortunatelyโ€ in an email faster that the search function

5 months ago 392 41 8 4
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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...

5 months ago 62 34 1 1