David A Knowles @davidaknowles.bsky.social · 09/10/2026Excited this is officially out! RNA fingerprinting interprets sc perturbation experiments using large reference datasets, accounting for baseline heterogeneity, perturbation strength, outliers and correlation structure. Fun collaboration with Satija lab led by fantastic postdoc Izzy Grabski. 084
Reposted by David A KnowlesNew York Genome Center @nygenome.org · 09/10/2026New research in @cellpress.bsky.social from NYGC, NYU, and Columbia introduces RNA fingerprinting, a computational method that connects patterns of gene activity to their potential causes. @davidaknowles.bsky.social Read more: www.nygenome.org/news-events/...nygenome.orgRNA Fingerprinting Helps Scientists Trace What Drives Changes Inside Cells - October 9, 2026Read about RNA Fingerprinting Helps Scientists Trace What Drives Changes Inside Cells at the New York Genome Center on October 9, 2026 021
David A Knowles @davidaknowles.bsky.social · 30/06/2026We're still looking for reviewers for #MLCB2026. If you're interested please sign-up at forms.gle/UdbdPfPCte2j.... We've also extended the abstract/paper deadline to July 3rd, see mlcb.org for more deets! Please RP.forms.gleMLCB reviewer sign-upIf you're interested in reviewing for MLCB please complete this form. More details are available at the MLCB website. Please use the email address associated with your CMT account if you have one! 001
David A Knowles @davidaknowles.bsky.social · 23/06/2026Reminder that the #MLCB2026 paper/abstract deadline is July 1st! Conf is Nov 16-17 @nygenome.org. Fantastic lineup of keynote speakers @drannecarpenter.bsky.social (Broad/Purdue), Ellen Zhong (Princeton), Christina Leslie (MSKCC) & Michael Brenner (Harvard). More deets at mlcb.org. Please RP! 053
David A Knowles @davidaknowles.bsky.social · 06/05/2026#MLCB2026 will be November 16-17 at (once again) @nygenome.org, NYC! Paper/abstract deadline is July 1st, more deets at mlcb.org. We'll be opening in-person registration alongside paper decisions. Mailing list to stay in the loop: groups.google.com/g/mlcb. Keynotes TBA! Please RP! 074
David A Knowles @davidaknowles.bsky.social · 02/04/2026@nygenome.org is hiring Genomic AI Fellows! (fancy postdoc positions) If you're interested in working at the interface of AI and genomics in a great environment please apply at: jobs.silkroad.com/NYGenome/Car...jobs.silkroad.comNYGC Genomic AI Fellows - 101 Avenue of the Americas, 7th Floor, New York, New York - New York Genome CenterFind a career with New York Genome Center 01515
David A Knowles @davidaknowles.bsky.social · 25/03/2026@fertiglab.bsky.social and I are co-chairing the MLCSB track at ISMB July 12-16 in DC. We have a fantastic line-up of keynotes: Rita Singh, Young Hwan Chang, Katie Pollard, and Yun Song. Abstract submissions are due April 9th! www.iscb.org/ismb2026/cal...iscb.orgCall for Abstracts - ISMB 2026ISCB - International Society for Computational Biology 061
David A Knowles @davidaknowles.bsky.social · 07/01/2026Alan'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!academic.oup.comInferring fungal cis-regulatory networks from genome sequences via unsupervised and interpretable representation learningAbstract. Gene expression patterns are determined to a large extent by transcription factor (TF) binding to noncoding regulatory regions in the genome. How 091
Reposted by David A KnowlesKaur Alasoo @kauralasoo.bsky.social · 07/01/2026If 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.socialzenodo.orgFine 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... 2129
David A Knowles @davidaknowles.bsky.social · 06/01/2026Excited 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!nature.comMapping isoforms and regulatory mechanisms from spatial transcriptomics data with SPLISOSM - Nature BiotechnologyDifferential isoform usage is identified with high statistical power from spatial transcriptomics data. 0157
David A Knowles @davidaknowles.bsky.social · 31/12/2025#MLCB2025 proceedings are up at proceedings.mlr.press/v311/ !proceedings.mlr.pressProceedings of Machine Learning ResearchProceedings 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... 072
David A Knowles @davidaknowles.bsky.social · 18/11/2025I'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.canva.comWhy we made Affinity free, and how we’ll keep it that wayWe’ve made Affinity completely free, empowering professional designers with studio-grade creative software, supported by Canva’s sustainable ecosystem. 14010
David A Knowles @davidaknowles.bsky.social · 06/11/2025I'm always amazed when SciENcv works at all! 010
David A Knowles @davidaknowles.bsky.social · 05/11/2025Little gist for getting coauthor list from PubMed for NSF COA list. Thanks to coauthors gpt5 and claude. gist.github.com/davidaknowle...gist.github.comGet COA coauthor list for NSF including affiliations from PUBMEDGet COA coauthor list for NSF including affiliations from PUBMED - coa.py 151
Reposted by David A KnowlesClaus Wilke @clauswilke.com · 03/11/2025The 21st Century version of corvée work for academics is reviewing papers or grants, writing letters of recommendation, giving public outreach lectures. 053
David A Knowles @davidaknowles.bsky.social · 03/11/2025@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/s41467-025-64353-7nature.comLarge-scale causal discovery using interventional data sheds light on gene network structure in k562 cells - Nature CommunicationsThe 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... 0195
David A Knowles @davidaknowles.bsky.social · 28/10/2025Anyone else not able to log into dbGaP? Can't tell if it's shutdown-related or just the usual struggles. eRA commons seems fine. 132
David A Knowles @davidaknowles.bsky.social · 11/09/2025MLCB2025 day 2 kicking off with Jacob Schreiber on DL for interpreting and designing regulatory DNA sequence. youtube.com/@mlcbconf 040
David A Knowles @davidaknowles.bsky.social · 10/09/2025Back up again now, sorry for the interruption after lunch! 010
David A Knowles @davidaknowles.bsky.social · 10/09/2025YouTube link for MLCB2025 is up! Starting in 30 min. www.youtube.com/live/19I7xTh...youtube.comMachine Learning in Computational Biology 2025YouTube video by Machine Learning in Computational Biology 1215
David A Knowles @davidaknowles.bsky.social · 10/09/2025#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!mlcb.orgMLCB - ScheduleThe in-person component will be held at the New York Genome Center, 101 6th Ave, New York, NY 10013. 092
David A Knowles @davidaknowles.bsky.social · 20/08/2025Shiny new probabilistic model, gruyere 🧀, 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/1ldzwgeXDzHjauthors.elsevier.com 0155
David A Knowles @davidaknowles.bsky.social · 29/07/2025Excited 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...nature.comCas13d-mediated isoform-specific RNA knockdown with a unified computational and experimental toolbox - Nature CommunicationsThe 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... 24217
David A Knowles @davidaknowles.bsky.social · 08/07/2025Good 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. 000
David A Knowles @davidaknowles.bsky.social · 03/07/2025New 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...biorxiv.orgPerplexity as a Metric for Isoform Diversity in the Human TranscriptomeLong-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... 25522
David A Knowles @davidaknowles.bsky.social · 31/05/2025We 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. 092
David A Knowles @davidaknowles.bsky.social · 26/05/2025Just 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.youtube.comMachine Learning in Computational BiologyYoutube channel for the Machine Learning in Computational Biology conference. 094
David A Knowles @davidaknowles.bsky.social · 15/05/2025Free 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.youtube.comMachine Learning in Computational BiologyYoutube channel for the Machine Learning in Computational Biology conference: https://mlcb.github.io/ 04121
Reposted by David A Knowlesbrangwynnelab.bsky.social @brangwynnelab.bsky.social · 21/04/2025What 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...biorxiv.orgGenome-wide mapping of mesoscale neuronal RNA organization and condensationSubcellular RNA organization can affect critical cellular functions. However, our understanding of RNA microenvironments, particularly biomolecular condensates, remains limited, largely due to a lack ... 15426
Reposted by David A KnowlesRachael Sirianni, PhD @docsirianni.bsky.social · 15/03/2025Did 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 trainees’ salaries + scientific work. Funding in this country is frozen. That means scientific work stops 320488
David A Knowles @davidaknowles.bsky.social · 11/03/2025Wow. "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. 21512215
David A Knowles @davidaknowles.bsky.social · 16/02/2025Just anti funding any science, completely different! 010
Reposted by David A KnowlesCongressman Bill Foster @repbillfoster.bsky.social · 08/02/2025This is dangerously irresponsible on every level. Indiscriminately slashing this funding will cripple lifesaving research on everything from cancer to opioid addiction.washingtonpost.comNIH cuts billions of dollars in biomedical funding, effective immediatelyThe 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. 1622516635
Reposted by David A KnowlesCarl T. Bergstrom @carlbergstrom.com · 08/02/2025Thinking back on all this I better understand the pain I feel to see science under devastating attack here. It’s not just about my livelihood or my university. It’s about my identity. And it’s about a pursuit that I see as standing along with art, literature, and music as among our highest callings. 481484195
Reposted by David A KnowlesJohn Greally @greally.bsky.social · 31/01/2025@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.amazon.comAn Intuitive Primer on Effective Functional Genomics Study DesignAmazon.com: An Intuitive Primer on Effective Functional Genomics Study Design: 9798218585952: Gilad, Yoav: Books 2144
David A Knowles @davidaknowles.bsky.social · 31/01/2025It's been very helpful around NYGC in Soho, no more stationary honking cars trying to squeeze into the Holland tunnel. 040
Reposted by David A KnowlesMetropolitan Transportation Authority @mta.info · 30/01/2025It's been 3 weeks since Congestion Relief Zone tolling went into effect, and the program is working! We're seeing traffic move quicker into and within Manhattan, which benefits all New Yorkers—drivers, bus riders, emergency vehicle operators, pedestrians, and more. 251183198
David A Knowles @davidaknowles.bsky.social · 27/01/2025#MLCB2025 will be Sept 10-11 at @nygenome.org in NYC! Paper deadline June 1st & in-person registration will open in May. Please sign up for our mailing list groups.google.com/g/mlcb/ for future announcements. More details at mlcb.github.io. Please RP! 03313
Reposted by David A KnowlesEngelhardt Research Group @thebeehive.bsky.social · 26/11/2024First post in the Good Place! Our preprint on cellular behavior analysis in TCR T cells & cancer cell live-cell imaging data is out! This 3-year collaboration led by pd Archit Verma w/ Alex Marson & Julia Carnevale, with segmentation & tracking by @davidvv & team! www.biorxiv.org/content/10.1...biorxiv.orgCellular behavior analysis from live-cell imaging of TCR T cell–cancer cell interactionsT cell therapies, such as chimeric antigen receptor (CAR) T cells and T cell receptor (TCR) T cells, are a growing class of anti-cancer treatments. However, expansion to novel indications and beyond l... 1197
David A Knowles @davidaknowles.bsky.social · 18/01/2025Reviewing is getting ridiculous. On 7th Jan I agreed to review a manuscript. I just got an email telling me my review was due on 2nd Jan. Adding time travel to the skill set expected of junior faculty. 3221
David A Knowles @davidaknowles.bsky.social · 14/01/2025Just explain Bayesian credible intervals instead! 010
David A Knowles @davidaknowles.bsky.social · 14/01/2025There are 10 days left to submit abstracts to ProbGen meetings.cshl.edu/meetings.asp...! Fantastic line-up of speakers and topics.meetings.cshl.eduProbabilistic Modeling in GenomicsCold Spring Harbor Laboratory Meetings & Courses -- a private, non-profit institution with research programs in cancer, neuroscience, plant biology, genomics, bioinformatics. 021
David A Knowles @davidaknowles.bsky.social · 14/01/2025Do any pyro aficionados have insight on what I'm doing wrong here? forum.pyro.ai/t/error-with...forum.pyro.aiError with enumeration for hierarchy of GLMsHi all. I have a model which is a hierarchy of GLMs where I want to test a null vs full model for each sub-GLM (there are params shared between these GLMs in the real version although not in the MWE b... 000
David A Knowles @davidaknowles.bsky.social · 07/01/2025python/torch, all fp32. it's a floating point (and order of operation) issue, so could happen in any language. 030
David A Knowles @davidaknowles.bsky.social · 06/01/2025Curious if any of the LLMs would have spotted this as a potential gotcha. 100
David A Knowles @davidaknowles.bsky.social · 06/01/2025After ~2h of bug hunting: needed to replace lgamma(a+n-y) with lgamma(n-y+a). For tiny a and n=y>0, the former evaluates to +inf and breaks everything, the latter doesn't. 🫠 6771
David A Knowles @davidaknowles.bsky.social · 19/12/2024Gotta love that the only way to give feedback on the reporting burden of NIH's data management & sharing plan template is by 🐌 mail. 061