Sylvie Callegari
@sylviecallegari.bsky.social
📤 168
📥 159
📝 12
Postdoc @Komander lab, WEHI, Melbourne. Mitochondrial biochemist interested in ubiquitin 🤓.
pinned post!
Thrilled to share the structure of dimerised human PINK1 docked to an endogenous translocase array on the mitochondrial surface, composed of two TOM complexes, bridged by a VDAC2 dimer! Published today in Science
www.science.org/doi/10.1126/...
@wehi-research.bsky.social
@komanderlab.bsky.social
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7 months ago
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Sylvie Callegari
Josh Hardy
1 day ago
I am thrilled to release ProteinDJ: a high-performance and modular protein design pipeline. Our open-source workflow incorporates
#RFdiffusion
,
#ProteinMPNN
,
#FAMPNN
,
#AlphaFold2
and
#Boltz-2
. It is a fast, free, and fun way to design proteins (1/5)
doi.org/10.1101/2025.09.24.678028
#proteindesign
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Sylvie Callegari
WEHI (The Walter and Eliza Hall Institute of Medical Research)
27 days ago
Researchers from WEHI’s Parkinson Disease Research Centre have won the 2025 UNSW Eureka Prize for Scientific Research. The team has been honoured for their research unravelling how PINK1, a key protein linked to early-onset Parkinson’s disease, works. 🔗
www.wehi.edu.au/news/eureka-...
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Sylvie Callegari
Marnie Blewitt
27 days ago
Very exciting to see the
@wehi-research.bsky.social
PINK1 Parkinson’s Disease research team win the Eureka Prize for Scientific Research. Amazing achievement by a brilliant team!
@eurekaprizes.bsky.social
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Sylvie Callegari
Brett Collins
28 days ago
The Institute for Molecular Bioscience is seeking an exceptional academic leader to be the new Director of the Centre for Chemistry and Drug Discovery and lead our centre consisting of 10 group leaders, 40 staff and approximately 50 HDR students. Come and join us in sunny Brisbane!
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Director, Centre for Chemistry and Drug Discovery
Institute for Molecular Bioscience Join a university ranked in the world’s top 50 Australia’s #1 research institute Based at St Lucia Campus About UQ What started as Queensland's first university in 1...
https://uq.wd3.myworkdayjobs.com/en-US/uqcareers/job/Director--Centre-for-Chemistry-and-Drug-Discovery_R-55159-1
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Sylvie Callegari
Dan Grabarczyk
about 1 month ago
Glad to share the final version of our story about the UBR4 complex, an E4 ligase protein quality control hub
@science.org
. Now with more cryo-EM structures and a deeper dive into substrate recognition, especially escaped mitochondrial proteins
@clausenlab.bsky.social
www.science.org/doi/10.1126/...
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Sylvie Callegari
about 2 months ago
Our June Newsletter highlights IUBMB activities including a note from the President and updates on the IUBMB Trainee Initiative ➡️http://bit.ly/45ai6r1
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Sylvie Callegari
Australian Museum Eureka Prizes
2 months ago
PINK1 Parkinson's Disease Research Team
@wehi-research.bsky.social
is a finalist in the
@unsw.edu.au
Eureka Prize for Scientific Research. Learn more:
youtu.be/senXARXzO20
#EurekaPrizes
@komanderlab.bsky.social
@zhongyangan.bsky.social
@sylviecallegari.bsky.social
@nskirk.bsky.social
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🎉 What an honour to be a finalist in the 2025 Australian Museum Eureka Prizes for Scientific Discovery!! With David Komander,
@zhongyangan.bsky.social
, Alisa Glukhova and
@nskirk.bsky.social
. Excited for the awards ceremony on Sept 3rd!
@eurekaprizes.bsky.social
@wehi-research.bsky.social
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PINK1 Parkinson's Disease Research Team – Finalist, 2025 Eureka Prize for Scientific Research
YouTube video by Australian Museum
https://www.youtube.com/watch?v=senXARXzO20
2 months ago
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Sylvie Callegari
Derek Lowe
2 months ago
“Why do we sleep” has been a surprisingly hard question. But it looks like the answer may be “ Because we breathe”. Our mitochondria need a break!
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It All Comes Down to the Mitochondria
https://www.science.org/content/blog-post/it-all-comes-down-mitochondria
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Sylvie Callegari
Komander Lab
3 months ago
📣 Calling all ubiquitin aficionados - one week to go before abstract deadline (July 18th)!! Join us on the coast in Lorne, Australia.
www.lorneubiquitin.org
#ubiquitin
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Sylvie Callegari
Rashmi Agrata
3 months ago
Australia’s First Ubiquitin Summit is here! 🥳 📍Lorne, Victoria | 🗓️ 20–23 November 2025 Join us on the scenic coastline of Lorne for 4 days of cutting-edge ubiquitin science, featuring a fantastic lineup of international speakers covering all corners of the Ub world—from mechanisms to therapeutics
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Sylvie Callegari
Science Magazine
4 months ago
Researchers in Science have developed a tool to silence specific mitochondria-encoded mRNAs in living cells, which could help scientists understand the origins of certain mitochondria-related diseases.
scim.ag/3F6Wm5d
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Silencing mitochondrial gene expression in living cells
Mitochondria fulfill central functions in metabolism and energy supply. They express their own genome, which encodes key subunits of the oxidative phosphorylation system. However, central mechanisms u...
https://scim.ag/3F6Wm5d
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Sylvie Callegari
Micha Rapé Lab
5 months ago
Excited that our work revealing the structure and function of the monster stress response silencing factor, the E3 ligase SIFI, is now out! Congratulations to the most amazing team of Zhi Yang, Diane Haakonsen, Michael Heider and Sam Witus!
www.nature.com/articles/s41...
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Molecular basis of SIFI activity in the integrated stress response - Nature
Nature - Molecular basis of SIFI activity in the integrated stress response
https://www.nature.com/articles/s41586-025-09074-z
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Stunning photo of Mars on the cover of Science this week! And super proud that our structure of PINK1 stalled at mitochondrial translocases also gets a cover mention 😊. It's now out in print on page 303!
add a skeleton here at some point
6 months ago
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Sylvie Callegari
Komander Lab
6 months ago
Excited to share news from the lab out in Nature Communications – A novel PLpro inhibitor improves outcomes in a pre-clinical model of long COVID
www.nature.com/articles/s41...
@wehi-research.bsky.social
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A novel PLpro inhibitor improves outcomes in a pre-clinical model of long COVID - Nature Communications
A novel antiviral targeting the SARS-CoV-2 PLpro protease shows strong efficacy in a mouse model, preventing lung pathology and reducing brain dysfunction. The study provides proof-of-principle that P...
https://www.nature.com/articles/s41467-025-57905-4
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Sylvie Callegari
Komander Lab
6 months ago
Join us at the beach for the first Australian Ubiquitin summit from 20-23 Nov! 🏄♀️ Check out the amazing speakers here:
www.lorneubiquitin.org
And, why not stay a little longer and join the International Symposium on Autophagy from 16-20 Nov, also in beautiful Lorne ☀️.
www.isa11.org
See you there!
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Sylvie Callegari
Cooty McCootFace
7 months ago
Human PINK1 at a TOM-VDADC array Structure of the Week/Month/Year(?)! 9eih. Sylvia Callegari...David Komander, Science 13 March 2025.
#coot
Fancy mode Copyright/license-free - i.e. freely reproducible. Coot 1.1.14 coming soon!
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Sylvie Callegari
Jim Hurley
6 months ago
PINK1/Parkin-dependent mitophagy caught in situ by cryo-ET! New preprint
www.biorxiv.org/content/10.1...
led by
@kev-in-situ-et.bsky.social
. This has been a long-standing goal of team
@mito911.bsky.social
within the
@asapresearch.parkinsonsroadmap.org
initiative.
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Sylvie Callegari
Florent Waltz
6 months ago
I'm super happy that our story is now published! 📖
www.science.org/doi/10.1126/...
But what changed compared to the original preprint? Also, I feel i should post Movie 1 🎥, that inspired the cover. Back when I did the original bluesky thread, movies were not available.
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Ben Engel
6 months ago
We're on the cover of
@science.org
this week. Awesome work by
@florentwaltz.bsky.social
.
#CryoET
is reaching crazy resolutions inside cells, and this is just the beginning. Fantastic interpretation of the proton motive force by
@verenaresch.bsky.social
. Always a pleasure making
#SciArt
with you!🧪🧶🧬🌾
add a skeleton here at some point
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Thrilled to share the structure of dimerised human PINK1 docked to an endogenous translocase array on the mitochondrial surface, composed of two TOM complexes, bridged by a VDAC2 dimer! Published today in Science
www.science.org/doi/10.1126/...
@wehi-research.bsky.social
@komanderlab.bsky.social
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7 months ago
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Sylvie Callegari
Trevor Lithgow
8 months ago
Amazing talk by
@sylviecallegari.bsky.social
so great to see the TOM complex back at Lorne, and capturing substrate in the channel of Tom40 … fabulous
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Sylvie Callegari
Micha Rapé Lab
9 months ago
Many thanks to Sylvie Callegari
@wehi-research.bsky.social
for her beautiful spotlight describing our recent discovery of localized, and ROS-regulated, protein degradation at mitochondrial import gates!
www.sciencedirect.com/science/arti...
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Reacting to reductive stress at the mitochondrial import gate
A byproduct of mitochondrial energy production is the generation of reactive oxygen species (ROS). Too much ROS is toxic, but ROS deficiency is equall…
https://www.sciencedirect.com/science/article/pii/S0962892424002812
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Sylvie Callegari
Rashmi Agrata
9 months ago
New to
#ubiquitin
? Been with it for a while? Either way this review may be for you 🤩 Excited to share our review article in
@molcell.bsky.social
, diving deep into everything
#ubiquitin
Read here 👉:
kwnsfk27.r.eu-west-1.awstrack.me/L0/https:%2F...
@cellpress.bsky.social
@wehi-research.bsky.social
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A new quality control mechanism for mitochondrial import from the Rapé lab! A Cullin E3 ligase binds TOM complexes and senses reductive stress. Really enjoyed writing a spotlight for this! Spotlight:
kwnsfk27.r.eu-west-1.awstrack.me/L0/https:%2F...
Original article:
www.cell.com/molecular-ce...
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https://kwnsfk27.r.eu-west-1.awstrack.me/L0/https:%2F%2Fauthors.elsevier.com%2Fa%2F1kQyq3QxxSuxpy/1/010201945fdc0a10-18a7a72f-fe52-465e-b515-be2a9e453054-000000/a1WjXLtGJribAfCp4Jd8McE97OQ=408
9 months ago
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