Selection on VPS13A linked to migration in a songbird

David P.L. Toews, Scott A. Taylor, Henry M. Streby, Gunnar R. Kramer, Irby J. Lovette

Research output: Contribution to journalArticle

Abstract

Animal migration demands an interconnected suite of adaptations for individuals to navigate over long distances. This trait complex is crucial for small birds whose migratory behaviors—such as directionality—are more likely innate, rather than being learned as in many longer-lived birds. Identifying causal genes has been a central goal of migration ecology, and this endeavor has been furthered by genome-scale comparisons. However, even the most successful studies of migration genetics have achieved low-resolution associations, identifying large chromosomal regions that encompass hundreds of genes, one or more of which might be causal. Here we leverage the genomic similarity among golden-winged (Vermivora chrysoptera) and blue-winged (V. cyanoptera) warblers to identify a single gene—vacuolar protein sorting 13A (VPS13A)—that is associated with distinct differences in migration to Central American (CA) or South American (SA) wintering areas. We find reduced sequence variation in this gene region for SA wintering birds, and show this is the likely result of natural selection on this locus. In humans, variants of VPS13A are linked to the neurodegenerative disorder chorea-acanthocytosis. This association provides one of the strongest gene-level associations with avian migration differences.

Original languageEnglish (US)
Pages (from-to)18272-18274
Number of pages3
JournalProceedings of the National Academy of Sciences of the United States of America
Volume116
Issue number37
DOIs
StatePublished - Sep 10 2019

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Songbirds
Birds
Genes
Animal Migration
Neuroacanthocytosis
Genetic Selection
Protein Transport
Ecology
Neurodegenerative Diseases
Genome

All Science Journal Classification (ASJC) codes

  • General

Cite this

Toews, David P.L. ; Taylor, Scott A. ; Streby, Henry M. ; Kramer, Gunnar R. ; Lovette, Irby J. / Selection on VPS13A linked to migration in a songbird. In: Proceedings of the National Academy of Sciences of the United States of America. 2019 ; Vol. 116, No. 37. pp. 18272-18274.
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Selection on VPS13A linked to migration in a songbird. / Toews, David P.L.; Taylor, Scott A.; Streby, Henry M.; Kramer, Gunnar R.; Lovette, Irby J.

In: Proceedings of the National Academy of Sciences of the United States of America, Vol. 116, No. 37, 10.09.2019, p. 18272-18274.

Research output: Contribution to journalArticle

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