期刊
BIOINFORMATICS
卷 35, 期 19, 页码 3855-3856出版社
OXFORD UNIV PRESS
DOI: 10.1093/bioinformatics/btz200
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资金
- MRes Computational Methods in Ecology and Evolution course at Imperial College London
- NERC Independent Research Fellowship [NE/N013948/1]
- NERC [NE/N013948/1] Funding Source: UKRI
Motivation: Linkage disequilibrium (LD) measures the correlation between genetic loci and is highly informative for association mapping and population genetics. As many studies rely on called genotypes for estimating LD, their results can be affected by data uncertainty, especially when employing a low read depth sequencing strategy. Furthermore, there is a manifest lack of tools for the analysis of large-scale, low-depth and short-read sequencing data from non-model organisms with limited sample sizes. Results: ngsLD addresses these issues by estimating LD directly from genotype likelihoods in a fast, reliable and user-friendly implementation. This method makes use of the full information available from sequencing data and provides accurate estimates of linkage disequilibrium patterns compared with approaches based on genotype calling. We conducted a case study to investigate how LD decays over physical distance in two avian species.
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