Imputation of low-coverage sequencing data from 150,119 UK Biobank genomes.

Imputation of low-coverage sequencing data from 150,119 UK Biobank genomes.
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来自150,119英国生物库基因组的低覆盖测序数据的插入。

DOI:
10.1038/s41588-023-01438-3
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发表时间:
2023-07
期刊:
影响因子:
30.8
通讯作者:
Delaneau, Olivier
Delaneau, Olivier
中科院分区:
生物学1区
文献类型:
--
作者:
Rubinacci, Simone;Hofmeister, Robin J.;da Mota, Barbara Sousa;Delaneau, Olivier

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150,119个英国生物库序列的发布代表了一个前所未有的机会,作为一个参考小组,可以高精度地归因于低覆盖率的全基因组测序数据,但目前的方法不能处理数据的大小。在这里,我们介绍GLIMPSE2,这是一种低覆盖率的全基因组测序补偿方法,它在样本和标记的数量上进行亚线性扩展,从英国生物库参考小组实现有效的全基因组补偿,同时保持对古代和现代基因组的高精度,特别是在稀有变异和非常低覆盖率的样本上。GLIMPSE2是一种改进的方法,它使用稀疏模型在低覆盖率的全基因组测序数据中进行准确、高效和经济的基因推断。
The release of 150,119 UK Biobank sequences represents an unprecedented opportunity as a reference panel to impute low-coverage whole-genome sequencing data with high accuracy but current methods cannot cope with the size of the data. Here we introduce GLIMPSE2, a low-coverage whole-genome sequencing imputation method that scales sublinearly in both the number of samples and markers, achieving efficient whole-genome imputation from the UK Biobank reference panel while retaining high accuracy for ancient and modern genomes, particularly at rare variants and for very low-coverage samples. GLIMPSE2 is an improved method using sparse models for accurate, efficient and cost-effective genotype imputation in low-coverage whole-genome sequencing data.
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