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Bjarni V. Halldórsson

@bvhalldorsson.bsky.social
69 followers 54 following 8 posts

Head of Sequence Analysis, deCODE genetics. Associate Professor, Biomedical Engineering, Reykjavik University.

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Reposted by Bjarni V. Halldórsson
Guillaume Holley @guillaumeolesan.bsky.social · 20/08/2026
I am delighted to present with @hannespetur.bsky.social our new study on the Icelandic pangenome reference HPRC-ICE. This work goes all the way from pangenome construction to disease association! (1/7) www.nature.com/articles/s41...
nature.com
An Icelandic pangenome reference - Nature
Newly developed methods enable construction of Icelandic haplotypes and mapping of population-scale short reads to a pangenome by reducing reference bias and improving discovery in low-mappability reg...
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Reposted by Bjarni V. Halldórsson
Brynja Sigurpálsdóttir @brynjad.bsky.social · 30/07/2026
Excited to share our new paper in Nature Communications! rdcu.be/fwOV9 We used @nanoporetech.com to sequence 7,284 individuals and measured DNA methylation at ~18 million high-quality CpG units across the genome (1/5)
rdcu.be
Nanopore sequencing identifies parent-of-origin specific age-associated methylation changes at imprinted loci in the human genome
Nature Communications - DNA methylation changes with age, but parent-of-origin effects remain poorly characterised. Here, the authors use nanopore sequencing to map age-associated methylation...
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Bjarni V. Halldórsson @bvhalldorsson.bsky.social · 06/08/2025
Our study of WGS of all UK biobank participants published in final form rdcu.be/ezAyi
rdcu.be
Whole-genome sequencing of 490,640 UK Biobank participants
Nature - A study reports whole-genome sequences for 490,640 participants from the UK Biobank and combines these data with phenotypic data to provide new insights into the relationship between human...
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Reposted by Bjarni V. Halldórsson
UK Biobank @ukbiobank.ac.uk · 06/08/2025
✅ Published in @natureportfolio.nature.com today, the paper describing the initial whole-genome sequencing analysis of 500,000 UK Biobank participants. Read here: www.nature.com/articles/s41...
nature.com
Whole-genome sequencing of 490,640 UK Biobank participants - Nature
A study reports whole-genome sequences for 490,640 participants from the UK Biobank and combines these data with phenotypic data to provide new insights into the relationship between human variation a...
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Reposted by Bjarni V. Halldórsson
Magdalena Skipper @magdalenaskipper.bsky.social · 24/01/2025
Complete human recombination maps (including non-cross over recombination) based whole-genome sequence data in families Some nice new insights on meiosis differences between the sexes too! 🧪 @natureportfolio.bsky.social www.nature.com/articles/s41...
nature.com
Complete human recombination maps - Nature
Complete human recombination maps are presented that enable exploration of both cross-over and non-cross-over events during meiosis, with the potential to provide insight into the causes of aneuploidi...
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Reposted by Bjarni V. Halldórsson
Nature @nature.com · 23/01/2025
Nature research paper: Complete human recombination maps go.nature.com/40J595a
go.nature.com
Complete human recombination maps - Nature
Complete human recombination maps are presented that enable exploration of both cross-over and non-cross-over events during meiosis, with the potential to provide insight into the causes of aneuploidies and pregnancy loss.
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Bjarni V. Halldórsson @bvhalldorsson.bsky.social · 22/01/2025
Complete human recombination maps www.nature.com/articles/s41... - continuation of 25 yeas of work in building recominbation maps.
nature.com
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