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An Icelandic pangenome reference

Research Bioinformatics AI

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TL;DR - New methods construct Icelandic haplotypes and map population-scale short reads to a pangenome reference. This reduces reference bias and improves variant discovery, including detection of novel pathogenic alleles.

  • Improves mapping in genomic regions with low mappability.
  • Reveals many variants missed by conventional reference-based approaches.
  • Demonstrates the value of population-specific pangenomes for more comprehensive genetic analysis.

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An Icelandic pangenome reference

Nature Guillaume Holley, Hannes P. Eggertsson, Snaedis Kristmundsdottir, Doruk Beyter, Astros Th Skuladottir, Kristjan H. S. Moore, Pall I. Olason, Arnaldur Gylfason, Olafur T. Magnusson, Asmundur Oddsson, Hreinn Stefansson, Agnar Helgason, Gisli Masson, Patrick Sulem, Daniel F. Gudbjartsson, Kari Stefansson, Bjarni V. Halldorsson 2026-08-19 doi:10.1038/s41586-026-10924-7
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Providers: Hugging Face · N/A OpenAlex · Citations 0 Publisher · N/A Semantic Scholar · N/A X · N/A Fetched 2026-09-19 14:26:28.172489 UTC

TL;DR - New methods construct Icelandic haplotypes and map population-scale short reads to a pangenome reference. This reduces reference bias and improves variant discovery, including detection of novel pathogenic alleles.

  • Improves mapping in genomic regions with low mappability.
  • Reveals many variants missed by conventional reference-based approaches.
  • Demonstrates the value of population-specific pangenomes for more comprehensive genetic analysis.
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