Journal
BRIEFINGS IN BIOINFORMATICS
Volume 20, Issue 6, Pages 1997-2008Publisher
OXFORD UNIV PRESS
DOI: 10.1093/bib/bby064
Keywords
natural selection; machine learning; selective sweep; genome sequencing; recombination
Funding
- University of Southampton Institute for Life Sciences
- Faculty of Medicine
- Department of Mathematics
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Insights into genetic loci which are under selection and their functional roles contribute to increased understanding of the patterns of phenotypic variation we observe today. The availability of whole-genome sequence data, for humans and other species, provides opportunities to investigate adaptation and evolution at unprecedented resolution. Many analytical methods have been developed to interrogate these large data sets and characterize signatures of selection in the genome. We review here recently developed methods and consider the impact of increased computing power and data availability on the detection of selection signatures. Consideration of demography, recombination and other confounding factors is important, and use of a range of methods in combination is a powerful route to resolving different forms of selection in genome sequence data. Overall, a substantial improvement in methods for application to whole-genome sequencing is evident, although further work is required to develop robust and computationally efficient approaches which may increase reproducibility across studies.
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