ArticleEuropean journal of human genetics : EJHG2025
Enhanced resolution of optical genome mapping utilizing telomere-to-telomere reference in genetic disorders.
Article in European journal of human genetics : EJHG, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.
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Who cites it
3 citing papers in PubMed.
- Optical genome mapping improves structural variant detection and characterization in syndromic and neurogenetic disorders.Human genetics · 2026Article
- Ring chromosomes uncovered by optical genome mapping: impact of telomeric-associated regions and reference genome selection on structural variant interpretation.Chromosome research : an international journal on the molecular, supramolecular and evolutionary aspects of chromosome biology · 2026Article
- Completely resolved structural variants by optical genome mapping with adaptive sampling from CNV discovery.NPJ genomic medicine · 2026Article
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Authors and funding
10 authors.
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Abstract
Reference genomes serve as a baseline criterion for comparison of personal genomes to deduce clinical variants. The widely used reference genome, GRCh38, contains stretches of gaps and unresolved bases particularly in complex regions which could obscure variant discovery. In contrast, the gapless telomere-to-telomere CHM13 (T2T-CHM13) reference genome can be used to assess difficult regions of the genome. Optical genome mapping (OGM), an imaging technique for structural variation identification has improved resolution compared to traditional cytogenetic methods. Our study showcases the utility of the T2T-CHM13 reference genome for enhanced structural variant (SV) detection in complex regions. We illustrate this through two clinical cases, where improved alignment with T2T-CHM13 led to significantly higher confidence scores for critical SVs. We demonstrate improved clinical diagnostic outcomes with the updated T2T-CHM13 reference and advocate its adoption.
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