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  1. Article

    Open Access

    Measuring, visualizing, and diagnosing reference bias with biastools

    Many bioinformatics methods seek to reduce reference bias, but no methods exist to comprehensively measure it. Biastools analyzes and categorizes instances of reference bias. It works in various scenarios: when t...

    Mao-Jan Lin, Sheila Iyer, Nae-Chyun Chen, Ben Langmead in Genome Biology (2024)

  2. No Access

    Article

    Improved sequence map** using a complete reference genome and lift-over

    Complete, telomere-to-telomere (T2T) genome assemblies promise improved analyses and the discovery of new variants, but many essential genomic resources remain associated with older reference genomes. Thus, th...

    Nae-Chyun Chen, Luis F. Paulin, Fritz J. Sedlazeck, Sergey Koren in Nature Methods (2024)

  3. No Access

    Article

    The complete sequence of a human Y chromosome

    The human Y chromosome has been notoriously difficult to sequence and assemble because of its complex repeat structure that includes long palindromes, tandem repeats and segmental duplications13. As a result, mo...

    Arang Rhie, Sergey Nurk, Monika Cechova, Savannah J. Hoyt, Dylan J. Taylor in Nature (2023)

  4. Article

    Open Access

    Characterization of large-scale genomic differences in the first complete human genome

    The first telomere-to-telomere (T2T) human genome assembly (T2T-CHM13) release is a milestone in human genomics. The T2T-CHM13 genome assembly extends our understanding of telomeres, centromeres, segmental dup...

    **angyu Yang, Xuankai Wang, Yawen Zou, Shilong Zhang, Manying **a in Genome Biology (2023)

  5. Article

    Open Access

    Improving variant calling using population data and deep learning

    Large-scale population variant data is often used to filter and aid interpretation of variant calls in a single sample. These approaches do not incorporate population information directly into the process of v...

    Nae-Chyun Chen, Alexey Kolesnikov, Sidharth Goel, Taedong Yun in BMC Bioinformatics (2023)

  6. Article

    Open Access

    Reference flow: reducing reference bias using multiple population genomes

    Most sequencing data analyses start by aligning sequencing reads to a linear reference genome, but failure to account for genetic variation leads to reference bias and confounding of results downstream. Other ...

    Nae-Chyun Chen, Brad Solomon, Taher Mun, Sheila Iyer, Ben Langmead in Genome Biology (2021)

  7. Article

    Open Access

    FORGe: prioritizing variants for graph genomes

    There is growing interest in using genetic variants to augment the reference genome into a graph genome, with alternative sequences, to improve read alignment accuracy and reduce allelic bias. While adding a v...

    Jacob Pritt, Nae-Chyun Chen, Ben Langmead in Genome Biology (2018)