Osamu Suyari's Avatar

Osamu Suyari

@osamuri.bsky.social

A postdoc in Ivan Ahel group, Sir Willam Dunn School of Pathology, University of Oxford. #Drosophila #ADPribosylation

104 Followers  |  153 Following  |  1 Posts  |  Joined: 29.12.2023  |  1.65

Latest posts by osamuri.bsky.social on Bluesky

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CRISPR screens and quantitative proteomics reveal remodeling of the aryl hydrocarbon receptor–driven proteome through PARP7 activity | PNAS PARP7 is an enzyme that uses donor substrate NAD+ to attach a single ADP-ribose moiety onto proteins related to immunity, transcription, and cell g...

Our new paper is out! Trying to understand the molecular function of the PARP7, a PARP family enzyme with links to innate immunity and environmental toxins response. Congrats to Andrii and the rest of the team and collaborators.
www.pnas.org/doi/10.1073/...

12.06.2025 05:54 β€” πŸ‘ 18    πŸ” 3    πŸ’¬ 0    πŸ“Œ 1
PNAS Proceedings 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...

New paper! We uncover mechanistic insights into the crosstalk between AHR (aryl hydrocarbon receptor, a transcription factor) and PARP7 (a nuclear enzyme that performs protein ADP-ribosylation). Both are promising cancer drug targets.

Big thanks to all co-authors!

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

11.06.2025 11:48 β€” πŸ‘ 13    πŸ” 4    πŸ’¬ 2    πŸ“Œ 1
The Company of Biologists 100 logo to the left and QR code to the right.
 
Portrait of Liz Robertson to the left, text to the right
 
100 extraordinary biologists

Liz Robertson

Having been a Development Editor since 2003, Liz Robertson is the longest-standing Editor of The Company of Biologists’ journals still in service. She has also been a prolific Development author since 1983. Liz’s lab at the University of Oxford, UK, studies signalling and gene expression in early mammalian development. 

#100biologists #biologists100

The Company of Biologists 100 logo to the left and QR code to the right. Portrait of Liz Robertson to the left, text to the right 100 extraordinary biologists Liz Robertson Having been a Development Editor since 2003, Liz Robertson is the longest-standing Editor of The Company of Biologists’ journals still in service. She has also been a prolific Development author since 1983. Liz’s lab at the University of Oxford, UK, studies signalling and gene expression in early mammalian development. #100biologists #biologists100

We are highlighting Liz Robertson, @dev-journal.bsky.social Editor and the longest-standing Editor of @biologists.bsky.social journals, as an extraordinary biologist this week.
#100biologists

10.06.2025 15:22 β€” πŸ‘ 21    πŸ” 9    πŸ’¬ 1    πŸ“Œ 0
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We have another postdoc position available to work on interplay between ADP-ribosylation and ubiquitination in regulation of genome stability. For this post expertise in cell biology is required.
my.corehr.com/pls/uoxrecru...

06.06.2025 04:48 β€” πŸ‘ 5    πŸ” 11    πŸ’¬ 0    πŸ“Œ 1
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Online now - the Spotlight "Modifying the modifiers: ubiquitination of ADP-ribosylation in human cells" from @kfeijszaja.bsky.social and colleagues.

#ADPribosylation #ubiquitination #MARUbylation #crosstalk

authors.elsevier.com/sd/article/S...

25.04.2025 15:41 β€” πŸ‘ 5    πŸ” 5    πŸ’¬ 1    πŸ“Œ 0
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We would love feedback on a new NCBI-BLAST service we are launching today: sky-blast.com

Under the hood it's the same BLAST executable and databases provided by NCBI, with a replica of the NIH's interface - providing an alternative to the US gov service that's less congested, faster & more reliable

11.03.2025 23:50 β€” πŸ‘ 119    πŸ” 75    πŸ’¬ 10    πŸ“Œ 4
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Ubiquitin is directly linked via an ester to protein-conjugated mono-ADP-ribose | The EMBO Journal imageimageCertain E3 ligases have been found to ubiquitylate hydroxyl groups on free NAD+ and ADP-ribose in vitro, but the in vivo occurrence of this dual post-translational modification has remained ...

#MARUbylation:
@michaelnadbio.bsky.social @jnpruneda.bsky.social and colleagues find that IFN-Ξ² induces the novel post-translational modification, mono-ADP-ribosyl ubiquitylation, on several interferon-stimulated #PARPs such as PARP10, PARP7 and PARP14
www.embopress.org/doi/full/10....

28.02.2025 13:42 β€” πŸ‘ 11    πŸ” 8    πŸ’¬ 0    πŸ“Œ 0
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The homologous recombination factors BRCA2 and PALB2 interplay with mismatch repair pathways to maintain centromere stability and cell viability Graham etΒ al. demonstrate that BRCA2 and PALB2 protect centromere integrity in non-cancerous cells through distinct mechanisms, partly counteracting the mismatch repair factor MLH1. In cancer cells, B...

We are delighted to share our latest work, characterising the role of BRCA2 and its binding partner PALB2 at centromeres, just out in the latest issue of Cell Reports. ⬇️

www.cell.com/cell-reports...

25.02.2025 17:56 β€” πŸ‘ 39    πŸ” 16    πŸ’¬ 3    πŸ“Œ 0
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How to Apply and Funding

Potential PhD students who are interested in working in Ivan Ahel group are welcome to apply through the ILESLA programme.
#ADPribosylation
@dunnschool.bsky.social
@ox.ac.uk

iles.web.ox.ac.uk/how-apply

17.01.2025 17:21 β€” πŸ‘ 5    πŸ” 1    πŸ’¬ 0    πŸ“Œ 0
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We just can't stop recruiting!

Associate professor in cell and molecular biology @dunnschool, with a preference for immunology, inflammation and/or infection - all defined broadly

Come and be our colleague

Deadline 28 Feb, please spread the word

www.path.ox.ac.uk/vacancy/asso...

14.01.2025 16:52 β€” πŸ‘ 48    πŸ” 59    πŸ’¬ 0    πŸ“Œ 1
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πŸ“£ Please share: We’re hiring a tenure-track Group Leader in Multicellular Systems to explore the molecular and cellular mechanisms driving the formation, maintenance, or destabilization of tissues, organs and organisms. Apply at: www.fmi.ch/education-ca...

16.12.2024 11:50 β€” πŸ‘ 110    πŸ” 118    πŸ’¬ 4    πŸ“Œ 7
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How is epigenetic information inherited across generations in insects? at University of Oxford on FindAPhD.com PhD Project - How is epigenetic information inherited across generations in insects? at University of Oxford, listed on FindAPhD.com


We are advertising for a project looking at epigenetic inheritance in Drosophila at the Department of Biology, University of Oxford @oxfordbiology.bsky.social Please get in touch if you are interested! Only 1 month left to be considered for funding.

www.findaphd.com/phds/project...

02.12.2024 13:10 β€” πŸ‘ 6    πŸ” 8    πŸ’¬ 0    πŸ“Œ 0
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PARP enzyme de novo synthesis of protein-free poly(ADP-ribose) Langelier etΒ al. discover that PARP1, PARP2, and Tankyrase catalyze de novo synthesis of protein-free poly(ADP-ribose), or PAR, in addition to canonical protein-linked PAR. Cellular free PAR did not r...

Intriguing new paper by @mflangelier.bsky.social in the Pascal lab showing that PARP1 can generate free poly-ADP-ribose (PAR) (not attached to proteins) in vitro and in cells. In some cases PAR is attached to NAD+! #PARP #ADP-ribosylation #NAD+

www.cell.com/molecular-ce...

20.11.2024 19:14 β€” πŸ‘ 11    πŸ” 7    πŸ’¬ 1    πŸ“Œ 0
Cover of PLoS biology showing fruit fly wing discs stained for Wingless protein, cell death, and the anterior compartment market Ci

Cover of PLoS biology showing fruit fly wing discs stained for Wingless protein, cell death, and the anterior compartment market Ci

More #drosophila work, recently in @plos.bsky.social PLOS Biology (on the cover :))

β€œWnt signaling modulates the response to DNA damage in the Drosophila wing imaginal disc by regulating the EGFR pathway” Ewen-Campen & Norbert Perrimon

journals.plos.org/plosbiology/...

18.11.2024 14:47 β€” πŸ‘ 22    πŸ” 8    πŸ’¬ 3    πŸ“Œ 0

interested in all things Parp and ADP-ribosylation? arguably the weirdest posttranslational modification EVER? here is a starter pack, compiled by @leunglab.bsky.social
go.bsky.app/CiRKAXJ

17.11.2024 12:13 β€” πŸ‘ 28    πŸ” 12    πŸ’¬ 3    πŸ“Œ 1
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Important so please help spread the word...

Interested in postgrad research? Maybe do a PhD?

Oxford runs a summer internship scheme for UK students from under-represented and disadvantaged backgrounds

Stipend, free accommodation, mentoring...

Deadline 21 Feb

www.ox.ac.uk/admissions/g...

15.01.2024 17:29 β€” πŸ‘ 27    πŸ” 61    πŸ’¬ 0    πŸ“Œ 2

@osamuri is following 20 prominent accounts