David A Knowles's Avatar

David A Knowles

@davidaknowles.bsky.social

machine learning and functional/statistical genetics. Associate Prof @Columbia and Core Faculty @nygenome. he/him/his. https://daklab.github.io/

3,141 Followers  |  512 Following  |  138 Posts  |  Joined: 07.09.2023  |  1.5517

Latest posts by davidaknowles.bsky.social on Bluesky

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Inferring fungal cis-regulatory networks from genome sequences via unsupervised and interpretable representation learning Abstract. Gene expression patterns are determined to a large extent by transcription factor (TF) binding to noncoding regulatory regions in the genome. How

Alan's elegant work on evolutionary contrastive learning for understanding promoter regulatory logic out in @GeneticsGSA! academic.oup.com/genetics/art... Was really fun having him visit my lab for his sabbatical & work on this. New bucket list item: write a first-author paper as a PI!

07.01.2026 21:35 โ€” ๐Ÿ‘ 9    ๐Ÿ” 1    ๐Ÿ’ฌ 0    ๐Ÿ“Œ 0
Fine mapped eQTL and sQTL summary statistics from the INTERVAL RNA-seq study (part 1) This repository contains fine mapped eQTL and sQTL summary statistics from the INTERVAL RNA-seq study (Tokolyi et al, 2025). Datasets QTD001000-QTD001002 are based on the whole cohort of 4,729 samples...

If you like larger sample sizes, then do check out our reprocessed and fine mapped cis-eQTLs and cis-sQTLs (leafCutter and MAJIQ!) from the INTERVAL cohort (whole blood, n up to 4,729)!
zenodo.org/records/1795...

These will be on the eQTL Catalogue FTP soon as well.

cc @yosephbarash.bsky.social

07.01.2026 10:24 โ€” ๐Ÿ‘ 12    ๐Ÿ” 9    ๐Ÿ’ฌ 2    ๐Ÿ“Œ 0
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Mapping isoforms and regulatory mechanisms from spatial transcriptomics data with SPLISOSM - Nature Biotechnology Differential isoform usage is identified with high statistical power from spatial transcriptomics data.

Excited to see this out www.nature.com/articles/s41...! Nonparametric kernel-based tests for spatially variable isoform usage in spatial transcriptomics. So many interesting examples in the CNS and cancer, we're only scratching the surface!

06.01.2026 19:12 โ€” ๐Ÿ‘ 15    ๐Ÿ” 7    ๐Ÿ’ฌ 0    ๐Ÿ“Œ 0
Proceedings of Machine Learning Research Proceedings of the 20th Machine Learning in Computational Biology meeting Held in New York, NY, USA on 10-11 September 2025 Published as Volume 311 by the Proceedings of Machine Learning Research on 3...

#MLCB2025 proceedings are up at proceedings.mlr.press/v311/ !

31.12.2025 22:37 โ€” ๐Ÿ‘ 7    ๐Ÿ” 2    ๐Ÿ’ฌ 0    ๐Ÿ“Œ 0
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Why we made Affinity free, and how weโ€™ll keep it that way Weโ€™ve made Affinity completely free, empowering professional designers with studio-grade creative software, supported by Canvaโ€™s sustainable ecosystem.

I'm a longtime fan of Affinity Designer as an affordable Illustrator-killer for figures, and... it's now free?! www.canva.com/newsroom/new...
Highly recommended if you're sick of paying Adobe $. Maybe Canva can buy NPG too and get rid of the OA fees.

18.11.2025 23:28 โ€” ๐Ÿ‘ 40    ๐Ÿ” 10    ๐Ÿ’ฌ 1    ๐Ÿ“Œ 4

I'm always amazed when SciENcv works at all!

06.11.2025 21:53 โ€” ๐Ÿ‘ 1    ๐Ÿ” 0    ๐Ÿ’ฌ 0    ๐Ÿ“Œ 0
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Get COA coauthor list for NSF including affiliations from PUBMED Get COA coauthor list for NSF including affiliations from PUBMED - coa.py

Little gist for getting coauthor list from PubMed for NSF COA list. Thanks to coauthors gpt5 and claude. gist.github.com/davidaknowle...

05.11.2025 14:50 โ€” ๐Ÿ‘ 5    ๐Ÿ” 1    ๐Ÿ’ฌ 1    ๐Ÿ“Œ 0

The 21st Century version of corvรฉe work for academics is reviewing papers or grants, writing letters of recommendation, giving public outreach lectures.

03.11.2025 18:29 โ€” ๐Ÿ‘ 5    ๐Ÿ” 3    ๐Ÿ’ฌ 0    ๐Ÿ“Œ 0
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Large-scale causal discovery using interventional data sheds light on gene network structure in k562 cells - Nature Communications The authors give a method for learning causal gene networks using Perturb-seq data. In K562 cells, they find a network with small-world and scale-free properties. Analysis shows a relationship between...

@brielin.bsky.social's fantastic work on causal gene network inference from Perturb-seq is published! We estimate total causal effects using guides as instruments, then deconvolve into direct & mediated effects with a directed analog of graphical lasso. Deets: nature.com/articles/s41467-025-64353-7

03.11.2025 19:09 โ€” ๐Ÿ‘ 19    ๐Ÿ” 5    ๐Ÿ’ฌ 0    ๐Ÿ“Œ 0

Anyone else not able to log into dbGaP? Can't tell if it's shutdown-related or just the usual struggles. eRA commons seems fine.

28.10.2025 15:40 โ€” ๐Ÿ‘ 3    ๐Ÿ” 2    ๐Ÿ’ฌ 1    ๐Ÿ“Œ 0

MLCB2025 day 2 kicking off with Jacob Schreiber on DL for interpreting and designing regulatory DNA sequence. youtube.com/@mlcbconf

11.09.2025 13:45 โ€” ๐Ÿ‘ 4    ๐Ÿ” 0    ๐Ÿ’ฌ 0    ๐Ÿ“Œ 0

Back up again now, sorry for the interruption after lunch!

10.09.2025 20:28 โ€” ๐Ÿ‘ 1    ๐Ÿ” 0    ๐Ÿ’ฌ 0    ๐Ÿ“Œ 0
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Machine Learning in Computational Biology 2025 YouTube video by Machine Learning in Computational Biology

YouTube link for MLCB2025 is up! Starting in 30 min. www.youtube.com/live/19I7xTh...

10.09.2025 13:01 โ€” ๐Ÿ‘ 21    ๐Ÿ” 5    ๐Ÿ’ฌ 1    ๐Ÿ“Œ 0
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MLCB - Schedule The in-person component will be held at the New York Genome Center, 101 6th Ave, New York, NY 10013.

#MLCB2025 is tomorrow & Thursday with a fantastic lineup of keynotes & contributed talks www.mlcb.org/schedule. We'll be livestreaming through our YouTube channel www.youtube.com/@mlcbconf. Thanks to www.corteva.com, instadeep.com, the Simons Center at CSHL & NYGC for generous support!

10.09.2025 00:16 โ€” ๐Ÿ‘ 9    ๐Ÿ” 2    ๐Ÿ’ฌ 0    ๐Ÿ“Œ 0

Shiny new probabilistic model, gruyere ๐Ÿง€, for powering up rare variant associations w/ DL effect prediction! We find novel associations for Alzheimer's disease, e.g. nuclear pore protein NUP93 in microglia. Big thanks to NIH/NIA/ADSP and Anjali for the hard work! authors.elsevier.com/a/1ldzwgeXDzHj

20.08.2025 22:05 โ€” ๐Ÿ‘ 15    ๐Ÿ” 5    ๐Ÿ’ฌ 0    ๐Ÿ“Œ 1

That is one hell of a recruitment photo!

20.08.2025 21:46 โ€” ๐Ÿ‘ 0    ๐Ÿ” 0    ๐Ÿ’ฌ 0    ๐Ÿ“Œ 1
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Cas13d-mediated isoform-specific RNA knockdown with a unified computational and experimental toolbox - Nature Communications The majority of human genes can produce multiple isoforms, but studying their functional relevance requires tools to target specific isoforms. Here, the authors develop a CRISPR-based exon-exon juncti...

Excited for this to be out officially! It was a great team effort and has a lot of useful tidbits for studying isoform function. www.nature.com/articles/s41...

29.07.2025 16:34 โ€” ๐Ÿ‘ 42    ๐Ÿ” 18    ๐Ÿ’ฌ 2    ๐Ÿ“Œ 1

Good question. Certainly trickier - you could assume independence across splicing events (quantified via SR) within in a gene and see how well that matches what you get from LR for a matched sample.

08.07.2025 02:19 โ€” ๐Ÿ‘ 0    ๐Ÿ” 0    ๐Ÿ’ฌ 0    ๐Ÿ“Œ 0
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Perplexity as a Metric for Isoform Diversity in the Human Transcriptome Long-read sequencing (LRS) has revealed a far greater diversity of RNA isoforms than earlier technologies, increasing the critical need to determine which, and how many, isoforms per gene are biologic...

New work from the lab trying to wrap our heads around the massive complexity of the human transcriptome revealed by long-read RNA-seq! Fun collab with Gloria Sheynkman. www.biorxiv.org/content/10.1...

02.07.2025 23:46 โ€” ๐Ÿ‘ 55    ๐Ÿ” 22    ๐Ÿ’ฌ 2    ๐Ÿ“Œ 0

We had a bunch of requests so we're extending the #MLCB2025 deadline to June 3rd (anywhere on earth)! cmt3.research.microsoft.com/MLCB2025 to submit.

31.05.2025 22:30 โ€” ๐Ÿ‘ 9    ๐Ÿ” 2    ๐Ÿ’ฌ 0    ๐Ÿ“Œ 0
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Machine Learning in Computational Biology Youtube channel for the Machine Learning in Computational Biology conference.

Just under a week until the #MLCB2025 paper/abstract deadline on June 1st! In-person registration is full but you can join the wait list forms.gle/gnj6AAV7oWj6... or watch online at youtube.com/@mlcbconf. Sept 10-11 at @nygenome.org. Full deets at mlcb.org! Please RP.

26.05.2025 16:16 โ€” ๐Ÿ‘ 10    ๐Ÿ” 4    ๐Ÿ’ฌ 0    ๐Ÿ“Œ 0
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Machine Learning in Computational Biology Youtube channel for the Machine Learning in Computational Biology conference: https://mlcb.github.io/

Free in-person registration is open for #MLCB2025! Sept 10-11 at @nygenome.org and online at youtube.com/@mlcbconf. Paper/abstract deadline is June 1, more deets including our fantastic invited speaker lineup at mlcb.org! Please RP.

15.05.2025 00:24 โ€” ๐Ÿ‘ 42    ๐Ÿ” 22    ๐Ÿ’ฌ 0    ๐Ÿ“Œ 0
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Genome-wide mapping of mesoscale neuronal RNA organization and condensation Subcellular RNA organization can affect critical cellular functions. However, our understanding of RNA microenvironments, particularly biomolecular condensates, remains limited, largely due to a lack ...

What drives cytoplasmic mRNA organization? We created unbiased, genome-wide maps of mesoscale RNA-RNA spatial proximity, revealing impact of encoded protein function. Fantastic work from @lindsayabecker.bsky.social @sofiquinodoz.bsky.social @davidaknowles.bsky.social www.biorxiv.org/content/10.1...

21.04.2025 13:48 โ€” ๐Ÿ‘ 55    ๐Ÿ” 26    ๐Ÿ’ฌ 1    ๐Ÿ“Œ 0

Dire wolf cosplay.

07.04.2025 18:03 โ€” ๐Ÿ‘ 3    ๐Ÿ” 1    ๐Ÿ’ฌ 0    ๐Ÿ“Œ 0

Did you know that science labs work like small business entrepreneurs? Faculty hired on strength of ideas, get some startup $ to last 3-4 yrs. After that is grants- grants pay all our + our traineesโ€™ salaries + scientific work. Funding in this country is frozen. That means scientific work stops

15.03.2025 23:05 โ€” ๐Ÿ‘ 205    ๐Ÿ” 89    ๐Ÿ’ฌ 3    ๐Ÿ“Œ 3

Wow. "NIH" canceled my co-mentored (with Dave Sulzer) PhD student's F31 funding. His work is on understanding the genetics and neuroscience of language learning disorders. F31 provides no indirect $ to Columbia, just pays his salary. Not that it should matter, but he's an American citizen. W.T.F.

11.03.2025 12:41 โ€” ๐Ÿ‘ 521    ๐Ÿ” 220    ๐Ÿ’ฌ 21    ๐Ÿ“Œ 17

Just anti funding any science, completely different!

16.02.2025 17:26 โ€” ๐Ÿ‘ 1    ๐Ÿ” 0    ๐Ÿ’ฌ 0    ๐Ÿ“Œ 0
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NIH cuts billions of dollars in biomedical funding, effective immediately The move halts a large slice of money for most universities and research institutions virtually overnight, imperiling vital research in everything from cancer to heart disease.

This is dangerously irresponsible on every level. Indiscriminately slashing this funding will cripple lifesaving research on everything from cancer to opioid addiction.

08.02.2025 18:28 โ€” ๐Ÿ‘ 2530    ๐Ÿ” 637    ๐Ÿ’ฌ 164    ๐Ÿ“Œ 37

Thinking back on all this I better understand the pain I feel to see science under devastating attack here. Itโ€™s not just about my livelihood or my university. Itโ€™s about my identity. And itโ€™s about a pursuit that I see as standing along with art, literature, and music as among our highest callings.

08.02.2025 21:41 โ€” ๐Ÿ‘ 1495    ๐Ÿ” 196    ๐Ÿ’ฌ 48    ๐Ÿ“Œ 32
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An Intuitive Primer on Effective Functional Genomics Study Design Amazon.com: An Intuitive Primer on Effective Functional Genomics Study Design: 9798218585952: Gilad, Yoav: Books

@ygilad.bsky.social has what looks like a useful book just released:
An Intuitive Primer on Effective Functional Genomics Study Design
www.amazon.com/Intuitive-Pr...

I just bought a copy for the lab.

31.01.2025 00:22 โ€” ๐Ÿ‘ 14    ๐Ÿ” 4    ๐Ÿ’ฌ 2    ๐Ÿ“Œ 0

@davidaknowles is following 20 prominent accounts