Systems & Population Genetics Group | O. Delaneau
@DelaneauGroup
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Olivier Delaneau's research group - Department of Computational Biology, University of Lausanne, Switzerland.
Joined April 2020
Hey network!👋. ❗️Just a heads up, we'll be scaling back our posts on this Twitter account. ✅️For the latest updates on our team (former) member's research, make sure to follow:.⏩️ @ODelaneau.⏩️ @simrubk.⏩️ @Diogo_M_Ribeiro.⏩️ @Rbn_Hfmstr.
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Delighted to share our paper "Assessing the impact of post‑mortem damage and contamination on imputation performance in ancient DNA" supervised by Barbara now out in @SciReports! .@simrubk @ODelaneau @AnnaSapfo @dbc_unil @ISBSIB .➡️More details here:
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We found that:.1. Taking post-mortem damage (PMD) into account before imputation improves imputation accuracy of highly damaged genomes.2. Imputation is robust to moderate levels of PMD.3. Imputation performance breaks down for contamination>5%.
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We are happy to announce that our work on the impact of post-mortem damage and contamination on imputation performance in ancient DNA is now out on bioRxiv! @ODelaneau @simrubk @AnnaSapfo @dbc_unil @ISBSIB.
biorxiv.org
Low-coverage imputation is becoming ever more present in ancient DNA (aDNA) studies. Imputation pipelines commonly used for present-day genomes have been shown to yield accurate results when applied...
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RT @Rbn_Hfmstr: 📢 New preprint alert!.Refining SHAPEIT5 haplotypes using whole genome sequencing reads. 🧬On #UKbiobank, it confirms a fasc….
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RT @Rbn_Hfmstr: Hi #ASHG2023 ! 👋.Interested in the UK Biobank phased data I presented yesterday? Accessible to approved UKB researchers via….
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RT @ODelaneau: Happy to announce the release of 200k UK Biobank WGS phased with SHAPEIT5, together with cutting-edge imputation pipelines.….
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RT @ODelaneau: 🎉 Thrilled to share a major career update! 🎉. I'm honored to join the Regeneron Genetics Center as Director in Statistical G….
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RT @Diogo_M_Ribeiro: Phasing of UK Biobank allowing compound heterozygous identification. Very happy to see this great collaborative work….
nature.com
Nature Genetics - SHAPEIT5, a phasing method that accurately processes large sequencing datasets, was applied on the UK Biobank whole-genome and whole-exome sequencing data to generate reference...
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Check out the newest papers of our group released today in @NatureGenet ! Big thank to all contributing authors @simrubk @Diogo_M_Ribeiro @Rbn_Hfmstr Barbara Mota and @ODelaneau.
So excited to share our recent work! 🎉 Just released 2 innovative tools in Nature Genetics:.Huge applause to my great team of brilliant researchers who made this possible! Stay tuned for deeper insights.
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We are happy to announce that our study on imputation of ancient human genomes is now published in @NatureComms: Thank you to all co-authors!.@simrubk @cegAmorim @yosoydcruz @siko76 @hannes @AnnaSapfo @ODelaneau @dbc_unil @ISBSIB.
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RT @Rbn_Hfmstr: Great talk at #eshg2023 by @simrubk on low coverage imputation from UK biobank WGS reference panel!. Spoiler alert: The 200….
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RT @Diogo_M_Ribeiro: Enhancer-enhancer links are seldom researched. Our analysis of multimodal single cell data suggests that nearby enhanc….
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RT @ISBSIB: @cbg_ethz @ETH_en @TanjaStadler_CH “A clever computational approach allowing to infer which genes an individual inherited from….
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RT @LizaMGD: Our pre-print is out 🎉! Read below on how we performed informative clustering of BMI SNPs using PheWAS data of 400+ traits, th….
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A proposal to mitigate re-identification threats in anonymized reference panels:.1. Simulating offspring from reference samples.2. Using them as a reference panel for imputation!.Checkout how well this works in our preprint:
biorxiv.org
For many genome-wide association studies, imputing genotypes from a haplotype reference panel is a necessary step. Over the past 15 years, reference panels have become larger and more diverse,...
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Excited to share our study characterizing cell-specificity in key immune cells by mapping regulatory regions with coordinated activity. This valuable insight can aid in interpreting GWAS findings related to complex human diseases. Thanks to all coauthors !.
Analysis of cis-regulatory domains derived from ChIP-seq peaks and methylation data in 3 key immune cells suggests cell-type specific regulatory mechanisms of immunity. @DianaAvalosM, @dermitzakis, @ODelaneau, @DelaneauGroup, @Diogo_M_Ribeiro, @AnnaRamisch.
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We are happy to share the version 2 of our low-coverage imputation software, GLIMPSE2! . @dbc_unil @unil.
I am very excited that our new study presenting the GLIMPSE2 method is now available on @biorxivpreprint. This is a major advance in low-coverage WGS imputation. We made our method scalable to reference panels containing hundreds of thousands of samples.
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RT @dbc_unil: The @dbc_unil is deeply saddened by the sudden and tragic death of our colleague Alma Dal Co @Alma_DalCo. Our department lost….
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RT @DMF_UNIL: We are shocked and saddened by the terrible news that our dear colleague Alma Dal Co suddenly passed away. She will dearly mi….
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