An efficient genotyper and star-allele caller for pharmacogenomics.

An efficient genotyper and star-allele caller for pharmacogenomics.
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DOI:
10.1101/gr.277075.122
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发表时间:
2023-01
期刊:
影响因子:
7
通讯作者:
Numanagic, Ibrahim
Numanagic, Ibrahim
中科院分区:
生物学1区
文献类型:
--
作者:
Hari, Ananth;Zhou, Qinghui;Gonzaludo, Nina;Harting, John;Scott, Stuart A.;Qin, Xiang;Scherer, Steve;Sahinalp, S. Cenk;Numanagic, Ibrahim

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High-throughput sequencing provides sufficient means for determining genotypes of clinically important pharmacogenes that can be used to tailor medical decisions to individual patients. However, pharmacogene genotyping, also known as star-allele calling, is a challenging problem that requires accurate copy number calling, structural variation identification, variant calling, and phasing within each pharmacogene copy present in the sample. Here we introduce Aldy 4, a fast and efficient tool for genotyping pharmacogenes that uses combinatorial optimization for accurate star-allele calling across different sequencing technologies. Aldy 4 adds support for long reads and uses a novel phasing model and improved copy number and variant calling models. We compare Aldy 4 against the current state-of-the-art star-allele callers on a large and diverse set of samples and genes sequenced by various sequencing technologies, such as whole-genome and targeted Illumina sequencing, barcoded 10x Genomics, and Pacific Biosciences (PacBio) HiFi. We show that Aldy 4 is the most accurate star-allele caller with near-perfect accuracy in all evaluated contexts, and hope that Aldy remains an invaluable tool in the clinical toolbox even with the advent of long-read sequencing technologies.
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