Title |
Detecting negative selection on recurrent mutations using gene genealogy
|
---|---|
Published in |
BMC Genomic Data, May 2013
|
DOI | 10.1186/1471-2156-14-37 |
Pubmed ID | |
Authors |
Kiyoshi Ezawa, Giddy Landan, Dan Graur |
Abstract |
Whether or not a mutant allele in a population is under selection is an important issue in population genetics, and various neutrality tests have been invented so far to detect selection. However, detection of negative selection has been notoriously difficult, partly because negatively selected alleles are usually rare in the population and have little impact on either population dynamics or the shape of the gene genealogy. Recently, through studies of genetic disorders and genome-wide analyses, many structural variations were shown to occur recurrently in the population. Such "recurrent mutations" might be revealed as deleterious by exploiting the signal of negative selection in the gene genealogy enhanced by their recurrence. |
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