Marco Grillo's Avatar

Marco Grillo

@mgrillo.bsky.social

Developmental biologist. Spatial omics inventor. Co-founder of spatial.ist Researcher at nilssonlab.org

216 Followers  |  444 Following  |  5 Posts  |  Joined: 02.12.2023  |  2.2418

Latest posts by mgrillo.bsky.social on Bluesky

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We've just been awarded a grant to study the cellular basis of regeneration – to track the progenitors of sensory organs in the context of leg regeneration, in our favourite crustacean tinyurl.com/parhyale, based on live imaging and cell tracking. The project involves some cool collaborations... 1/3

13.07.2025 14:54 β€” πŸ‘ 178    πŸ” 39    πŸ’¬ 10    πŸ“Œ 4
In Situ Inference of Copy Number Variations in Image-Based Spatial Transcriptomics Copy number variations (CNVs) drive cancer progression. So far, spatial CNV inference has relied on whole transcriptome-based sequencing technologies. However, advances in image‐based spatial transcriptomics (iST) now enable high-plex gene measurement in situ. Here, we introduce an approach that adapts CNV inference to iST data, enabling spatial mapping of malignant clones and the tumor microenvironment, at single-cell resolution. Additionally, we assess how panel size and detection efficiency influence CNV inference. ### Competing Interest Statement S.M.S is co-founder of spatialist AB, a spatial omics consultancy company. H.H. is co-founder and Chief Scientific Officer of Omniscope, a Scientific Advisory Board member at Nanostring/Bruker and Mirxes, a consultant for Moderna and Singularity, and has received honoraria from Genentech. M.N. is co-founder of VoxlBio AB, a spatial omics reagents company. Swedish Research Council, https://ror.org/03zttf063, 2024-02533 Cancerfonden, 24-3457 Horizon Europe Mission on Cancer, 101136552 Swiss National Science Foundation, 222136 MCIN/AEI/10.13039/501100011033 and FSE+, RYC2022-035848-I MICIU/AEI/10.13039/501100011033/ FEDER/UE, PID2023-148687OB-I00 European UnionΒ’s H2020 research and innovation program, 848028 European Research Council (ERC), 810287 Ministerio de Ciencia e InnovaciΓ³n (MCI), PID2020-115439GB-I00, PLEC2021-007654 LaCaixa Foundation, HR22-0031, HR22-0172 Generalitat de Catalunya through the Suport Grups de Recerca AGAUR, 2021-SGR ERA-NET Neuron/Ministerio de Ciencia e InnovaciΓ³n (MCI), PCI2022-133012 ASPIRE Award from The Mark Foundation for Cancer Research Scientific Foundation of the Spanish Association Against Cancer U-CAN Erling Persson Foundation

Our latest work is now live on bioRxiv! We use copy number variation inference to uncover tumor clonality from imaging-based spatial transcriptomics data. Check it out: doi.org/10.1101/2025...

08.07.2025 11:25 β€” πŸ‘ 5    πŸ” 4    πŸ’¬ 0    πŸ“Œ 1
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The cellular substrate of evolutionary novelty Joseph Parker and Matt Pennell propose gene expression programs β€” sets of co-expressed transcripts that collectively encode cellular subfunctions β€” as fundamental entities from which novel organismal ...

Useful perspective incorporating GRNs & gene modules into theory of evolutionary novelty

Parker & Pennell emphasise gene modules, not individual genes, as fundamental units of phenotypic evolution

Provides a needed evolutionary lens for analysing scRNAseq & cell types

www.cell.com/current-biol...

08.07.2025 09:23 β€” πŸ‘ 59    πŸ” 20    πŸ’¬ 2    πŸ“Œ 0
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We're looking forward to another great day full of practicals and learning here at #EMBOSpatialOmics. We're having a great time so far, how about you? 😎

17.06.2025 06:08 β€” πŸ‘ 8    πŸ” 2    πŸ’¬ 0    πŸ“Œ 0
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Let's see what you've been up to @maxjtelford.bsky.social ;)

20.05.2025 14:59 β€” πŸ‘ 2    πŸ” 0    πŸ’¬ 1    πŸ“Œ 0
Our colleague Prof. Benny (Ben Zion) Shilo passed away this morning 
@WeizmannScience
 . Benny worked at the forefront of world science in the study of molecular and developmental genetics. Among other things, he won the A.M.T. Prize in the field of genetics in 2013. He was also a great explainer of science, a kind teacher - and an artist photographer with a sharp eye and a sensitive soul. Benny, we will miss you very much. May his memory be blessed.

Our colleague Prof. Benny (Ben Zion) Shilo passed away this morning @WeizmannScience . Benny worked at the forefront of world science in the study of molecular and developmental genetics. Among other things, he won the A.M.T. Prize in the field of genetics in 2013. He was also a great explainer of science, a kind teacher - and an artist photographer with a sharp eye and a sensitive soul. Benny, we will miss you very much. May his memory be blessed.

Our field has lost an amazing scientist, mentor, and old friend. Benny, along with Mike Hoffman, had a brilliant idea in the early 1980s. The first oncogenes were being cloned and they realized if we wanted to understand their roles in cancer, we needed to understand their normal function 1/n πŸ§ͺ

16.04.2025 15:45 β€” πŸ‘ 66    πŸ” 28    πŸ’¬ 2    πŸ“Œ 2
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Intelligence Evolved at Least Twice in Vertebrate Animals | Quanta Magazine Complex neural circuits likely arose independently in birds and mammals, suggesting that vertebrates evolved intelligence multiple times.

www.quantamagazine.org/intelligence...

07.04.2025 19:51 β€” πŸ‘ 1    πŸ” 0    πŸ’¬ 0    πŸ“Œ 0

Ok. This is the coolest i've read in a while

19.03.2025 22:06 β€” πŸ‘ 1    πŸ” 0    πŸ’¬ 0    πŸ“Œ 0
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A study from @sergiomarcosalas.bsky.social @nilssonlab.org and colleagues presents a comprehensive evaluation of Xenium in situ datasets and provides recommendations on analysis workflows. @scilifelab.se

www.nature.com/articles/s41...

13.03.2025 18:54 β€” πŸ‘ 21    πŸ” 13    πŸ’¬ 0    πŸ“Œ 1
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We offer three new positions to join BCA Phase 0:
1. A full-stack developer to work on the BCA database with @ebi.embl.org
2. A senior research technician to develop sc methods
3. A bioinformatician to analyze new atlases with @sangerinstitute.bsky.social

Details below.

Please, share and repost.

03.03.2025 10:07 β€” πŸ‘ 45    πŸ” 47    πŸ’¬ 1    πŸ“Œ 0
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RNA xkcd.com/3056

26.02.2025 14:58 β€” πŸ‘ 18010    πŸ” 2588    πŸ’¬ 156    πŸ“Œ 170
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Evolutionary convergence of sensory circuits in the pallium of amniotes The amniote pallium contains sensory circuits that are structurally and functionally equivalent, yet their evolutionary relationship remains unresolved. We used birthdating analysis, single-cell RNA a...

New paper alert! Led by the great Fernando Garcia Moreno, our lab's first venture into evolutionary developmental biology is out on @science.org
www.science.org/doi/10.1126/...

14.02.2025 12:58 β€” πŸ‘ 8    πŸ” 1    πŸ’¬ 0    πŸ“Œ 0

This paper here is the product of one of my funniest collaboration ever. Developmental biology, evolution, tech development, memes, gifs, improvised brainstorming sessions via WhatsApp, and so much more... Crazy things can happen when people with different skill sets have fun together!

14.02.2025 12:46 β€” πŸ‘ 3    πŸ” 1    πŸ’¬ 0    πŸ“Œ 0
Schematic overview on how MicroSpit operates. It can split superimposed structures in fluorescent image channels by using a suitably trained AI.

Schematic overview on how MicroSpit operates. It can split superimposed structures in fluorescent image channels by using a suitably trained AI.

Concrete example for how MicroSplit unmixes four superimposed structures.

Concrete example for how MicroSplit unmixes four superimposed structures.

Immagine you could image two cellular structures in the same fluorescent channel and still reliably get them separated afterwards…
What would you do with this?

Now… what would you do if that also worked with 4 structures at once? πŸ‘‡ #MicroSplit #preview🧡

08.02.2025 07:49 β€” πŸ‘ 108    πŸ” 38    πŸ’¬ 6    πŸ“Œ 3
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Spatial omics meets theory.

04.02.2025 08:56 β€” πŸ‘ 4    πŸ” 0    πŸ’¬ 0    πŸ“Œ 0
cartoon of a fruit fly with a barcode overlaid on its abdomen

cartoon of a fruit fly with a barcode overlaid on its abdomen

A genetic barcoding system lets scientists tag and track cells, making it easier than ever to map gene expression (#transcriptomics) and decode behaviour.
https://elifesciences.org/reviewed-preprints/88334?utm_source=bluesky&utm_medium=social&utm_campaign=organic

28.01.2025 14:59 β€” πŸ‘ 19    πŸ” 1    πŸ’¬ 0    πŸ“Œ 1
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scRNA-seq data sets exploding in number and size - check out scanpy & anndata for >1b cells: new experimental update includes APIs for scaling with dask from anndata, integrated with lots of scanpy and rapids-singlecell functions.
gist.github.com/ilan-gold/98...

11.12.2024 15:48 β€” πŸ‘ 50    πŸ” 13    πŸ’¬ 2    πŸ“Œ 0
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I made a #BioImageAnalysis #GPT πŸŽ‰

Compared to #chatGPT it provides more concise hints for processing fluorescence microscopy images using Python libraries my collaborators and yours truly maintain. Thanks to all contributors and as usual: Feedback is πŸ’šly welcome! πŸ€—

chat.openai.com/g/g-psAohb1O...

07.01.2024 17:26 β€” πŸ‘ 13    πŸ” 6    πŸ’¬ 0    πŸ“Œ 0

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