2014
DOI: 10.1186/1471-2164-15-735
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Parallel selection on gene copy number variations through evolution of three-spined stickleback genomes

Abstract: BackgroundUnderstanding the genetic basis of adaptive evolution is one of the major goals in evolutionary biology. Recently, it has been revealed that gene copy number variations (GCNVs) constitute significant proportions of genomic diversities within natural populations. However, it has been unclear whether GCNVs are under positive selection and contribute to adaptive evolution. Parallel evolution refers to adaptive evolution of the same trait in related but independent lineages, and three-spined stickleback … Show more

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Cited by 32 publications
(47 citation statements)
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“…Of the 6664 regions with consistent copy number difference between stickleback ecotypes, 305 overlap protein-coding exons of 211 genes. This includes all 24 genes previously identified as having copy number variants under marine/ freshwater parallel selection in a separate study (Hirase et al 2014), as well as an additional 187 genes.…”
Section: Changes In Protein-coding Exonsmentioning
confidence: 99%
“…Of the 6664 regions with consistent copy number difference between stickleback ecotypes, 305 overlap protein-coding exons of 211 genes. This includes all 24 genes previously identified as having copy number variants under marine/ freshwater parallel selection in a separate study (Hirase et al 2014), as well as an additional 187 genes.…”
Section: Changes In Protein-coding Exonsmentioning
confidence: 99%
“…Submarine terraces that encircled islands in the Gulf of Alaska and Prince William Sound were suddenly thrust above sea level in 1964 by the Great Alaska Earthquake (52)(53)(54), and the resulting changes in sediment deposition and erosion over the following years created new freshwater ponds (35). Threespine stickleback fish that now inhabit many of these ponds have become as morphologically distinct in degree and form from their immediate marine ancestors as have much older mainland Alaska freshwater stickleback populations (35,54,55), similar to phenomena documented in older freshwater populations throughout the northern hemisphere (33,36,(56)(57)(58).…”
Section: Introductionmentioning
confidence: 88%
“…Copy number changes occur at nearly the same rate as point mutations and seem much more likely than other types of mutations to have beneficial effects (Kondrashov ; Hirase et al . ; Żmieńko et al . ).…”
Section: The Devil In the Detailsmentioning
confidence: 99%