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Posts by Shubham Kumar

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I am so excited to share our new findings with you! We provide the structural evidence for a direct protein-to-DNA information pathway, showing how a bacterial enzyme 'reads' its own structure to 'write' DNA. www.science.org/doi/10.1126/...

5 days ago 217 98 6 11
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📢 We are inviting you to the second session of the 2026 @cambridgeflyclub.bsky.social talks.

1 week ago 9 5 1 1

SPEx: Compartment-Resolved Proteomics via Expansion Microscopy-Guided Microdissection www.biorxiv.org/content/10.64898/2026.03...

3 weeks ago 9 5 0 0
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Delighted to announce the posting of our latest preprint, which links stress-induced relocalisation of multiple organelles by dynein to adaptive changes in gene expression in the nucleus (1/n) 🧵

www.biorxiv.org/content/10.6...

1 month ago 42 19 1 4
An image montage advertising NeuroBioUK - 11th of September 2026 in York. The image is York cathedral superimposed over a fluorescent cortex mouse section coloured to look a bit like a dawn sky.

An image montage advertising NeuroBioUK - 11th of September 2026 in York. The image is York cathedral superimposed over a fluorescent cortex mouse section coloured to look a bit like a dawn sky.

Save the date for #NeuroBioUK26

Do you like neurons? Maybe glia? Molecules? Cell biology? - The venue is booked and we are excited to see you and your incredible science there on the 11th of September! Please do join our email list to stay up to date.

neurobiouk.sites.sheffield.ac.uk

1 month ago 16 11 0 1
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The Golgi Network, Volume II This book explores the interaction of Golgi with different organelles such as ER, the vesicular system, and protein complexes that execute these tasks.

A wonderful collection of contemporary topics and perspectives on secretion and Golgi biology edited by Akihiko Nakano and Jaakko Saraste.
The Golgi Network, Volume II @SN and link.springer.com/book/10.1007...

1 month ago 8 7 0 0

📢✨A fantastic start to our 2026 programme at the @cambridgeflyclub.bsky.social!
This month, we held our first 2026 session of talks, with inspiring presentations, lively discussions, and a brilliant turnout.

1 month ago 2 2 1 0
Video

An important study maps how nerves control the Drosophila male reproductive tract, revealing two types of glutamatergic neurons that also release serotonin or octopamine.

🔗 buff.ly/3PV2YQW

2 months ago 37 18 0 3

See you all at the Gurdon Institute! 🔔

3 months ago 0 0 0 0
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The small #GTPase Rab1 is a master regulator of #Golgi traffic and #autophagy. van Vliet, Munro et al. @mrclmb.bsky.social performed a proteomic screen to identify novel Rab1 effectors, including a #dynein motor adaptor and cargo receptors for autophagy. rupress.org/jcb/article/...

#Trafficking

3 months ago 17 12 0 1
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Drosophila models have been highly useful in dissecting the physiological roles of PINK1 and Parkin in #mitophagy

Led by 3 talented PhD students, we wrote a review summarising recent exciting discoveries and discussed these in context of current in vitro studies

portlandpress.com/biochemj/art...

3 months ago 30 18 1 1
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✨ We are pleased to announce the conclusion of the final session of the 2025 @cambridgeflyclub.bsky.social talks series and are now preparing for next year’s sessions, which will be announced soon (check out our upcoming posts for more details).

5 months ago 4 1 1 0
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The Golgi vesicle tether p115/USO1 can bind directly to the ER exit site organiser Sec16A Newly-made secretory and membrane proteins exit the endoplasmic reticulum (ER) in COPII vesicles that form at specialised ER exit sites. These exit sites are typically near to the early Golgi compartm...

The Golgi vesicle tether p115/USO1 can bind directly to the ER exit site organiser Sec16A www.biorxiv.org/content/10.1...

6 months ago 2 2 0 0
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Fwd: Fwd: “I hope this email finds you well”

6 months ago 280 50 7 8
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The advent of confocal laser scanning microscopy in biological research Nature Reviews Molecular Cell Biology, Published online: 01 October 2025; doi:10.1038/s41580-025-00905-5The advent of laser-scanning confocal microscopy revolutionized cell biology, offering unprecedented resolution and depth and enabling scientists to visualize cellular structures in 3D.

New Online! The advent of confocal laser scanning microscopy in biological research

6 months ago 14 5 1 3
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Towards a unified framework for the function of endoplasmic reticulum exit sites - Nature Reviews Molecular Cell Biology Endoplasmic reticulum exit sites (ERES) are specialized ER subdomains that regulate the export of secreted cargo. This Roadmap explores how ERES integrate biochemical and mechanical signals to coordinate trafficking and proposes a multidisciplinary strategy to investigate their function, including in disease.

ER exit sites are dynamic ER subdomains that integrate signals, reshape membranes and steer secretion. Twelve groups in the field came together to map their diversity, regulation, unanswered questions and future directions.
www.nature.com/articles/s41...

6 months ago 48 23 2 6

Membrane protein export in developing axons, via axonal ERES and Golgi bypass #ER_Literature

7 months ago 6 2 0 0
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A Genome-wide CRISPR Screen Reveals ZDHHC8-Dependent Gαq Palmitoylation as a Key Regulator of GPCR Signaling G protein-coupled receptors (GPCRs) that couple to the Gαq signaling pathway control diverse physiological processes, yet the full complement of cellular regulators for this pathway remains unknown. H...

A Genome-wide CRISPR Screen Reveals ZDHHC8-Dependent Gαq Palmitoylation as a Key Regulator of GPCR Signaling
Muhammad Ahmad, Norbert Perrimon, Raghuvir Viswanatha, Ah-Ram Kim
bioRxiv 2025.08.06.668953; doi: doi.org/10.1101/2025...

8 months ago 15 9 1 0
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Multi-omic mapping of Drosophila protein secretomes reveals tissue-specific origins and inter-organ trafficking Secreted proteins regulate many aspects of animal biology and are attractive targets for biomarkers and therapeutics. However, comprehensively identifying the "secretome", along with their tissues of ...

New paper: Multi-omic mapping of Drosophila protein secretomes reveals tissue-specific origins and inter-organ trafficking
Bosch et al.
doi: doi.org/10.1101/2025...

9 months ago 11 4 0 0
fluorescence imaging of drosophila nerves

fluorescence imaging of drosophila nerves

A new genetic toolkit lets researchers target most neuronal lineages in the #Drosophila ventral nerve cord across development and into adulthood, opening the door to mapping structure, chemistry, and behaviour.
buff.ly/zHQK9dC

9 months ago 16 2 0 0
Carmina Santa-Cruz Mateos from PDN, University of Cambridge: "Condensing the Message: How Notch Signaling Forms Transcriptional Hubs to Control Gene Activation"
Jimena Berni from Medical Research Building, University of Sussex – “Hox Activity Levels Govern the Evolution of Behaviors”
Expect refreshments and pizza, this is a great chance to meet colleagues, exchange ideas, and build collaborations. Spread the word, everyone is welcome!

Carmina Santa-Cruz Mateos from PDN, University of Cambridge: "Condensing the Message: How Notch Signaling Forms Transcriptional Hubs to Control Gene Activation" Jimena Berni from Medical Research Building, University of Sussex – “Hox Activity Levels Govern the Evolution of Behaviors” Expect refreshments and pizza, this is a great chance to meet colleagues, exchange ideas, and build collaborations. Spread the word, everyone is welcome!

🗓️#CambridgeFlyClub 2nd meeting this year on July 16th (Weds) 4pm at @gurdoninstitute.bsky.social. Our speakers are Carmina Santa-Cruz Mateos from Sarah Bray's lab @pdncambridge.bsky.social and Jimena Berni from University of Sussex.
It's not the Dmel on our poster, guess what species is it?

10 months ago 1 5 0 1
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The mechanistic basis of cargo selection during Golgi maturation The multiple cisternae of the Golgi apparatus contain resident membrane proteins crucial for lipid and protein glycosylation. How Golgi residents remain in their designated compartments despite a cons...

The mechanistic basis of cargo selection during Golgi maturation www.biorxiv.org/content/10.1...

9 months ago 7 5 0 0
An image montage advertising NeuroBioUK - 12th of September 2025 in York. The image is York cathedral superimposed over a fluorescent cortex mouse section coloured to look a bit like a dawn sky.

An image montage advertising NeuroBioUK - 12th of September 2025 in York. The image is York cathedral superimposed over a fluorescent cortex mouse section coloured to look a bit like a dawn sky.

Registration is now open for NeuroBioUK 2025!
This year we're looking forward to hearing from our plenary speaker @cathyabbott.bsky.social. As ever, all other talks chosen from submitted abstracts so get submitting - we can't wait to see you there!

neurobiouk.sites.sheffield.ac.uk/registration

10 months ago 23 21 0 9

We currently have a call for support that has gone out to European labs, to support FlyBase-UK. We are asking our colleagues from labs in the US and other countries to wait for a similar call to them that will go out in the near future, to support the US sites. We thank you for your patience.

10 months ago 81 114 0 12
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Oxr1 and Ncoa7 regulate V-ATPase to achieve optimal pH for glycosylation within the Golgi apparatus and trans-Golgi network | PNAS Maintenance of pH within membranous organelles is crucial for cellular processes such as posttranslational modifications, ligand–receptor interacti...

Oxr1 and Ncoa7 regulate V-ATPase to achieve optimal pH for glycosylation within the Golgi apparatus and trans-Golgi network | PNAS www.pnas.org/doi/10.1073/...

10 months ago 4 3 0 0

This is so bad :(

10 months ago 1 0 0 0

Welcome to the new serie of Cambridge Fly Club meetings. We organise several events every year to foster collaboration and maintain a positive dynamic between Drosophila groups in Cambridge.

10 months ago 7 3 1 1
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Journal of Cell Science Meeting 2026 
Imaging Cell Dynamics
Date: 11 – 14 May 2026
Venue: Montanyà Hotel, Catalonia, Spain
Register your interest

Journal of Cell Science Meeting 2026 Imaging Cell Dynamics Date: 11 – 14 May 2026 Venue: Montanyà Hotel, Catalonia, Spain Register your interest

After the success of our 2023 Imaging Cell Dynamics conference, we’ll be hosting a second #JCSImaging meeting in 2026, organised by @franbottanelli.bsky.social, @guijacquemet.bsky.social‬, @drmichaelway.bsky.social‬ & Giulia Zanetti.
To register your interest: www.biologists.com/meetings/jcs...

11 months ago 75 40 0 8

Following the annual tradition, the student symposium of MRC LMB is happening on July 10th and 11th this year.

This year we are collaborating with Institut Pasteur!

Details 👇

11 months ago 0 2 0 0

Congratulations Maheva!

11 months ago 1 0 1 0