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How Veeries vary: Whole genome sequencing resolves genetic structure in a long-distance migratory bird.

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Title: How Veeries vary: Whole genome sequencing resolves genetic structure in a long-distance migratory bird.
Authors: Kimmitt, Abigail A, Pegan, Teresa M, Jones, Andrew W, Winker, Kevin, Winger, Benjamin M
Source: Ornithology (Oxford University Press). Apr2024, Vol. 141 Issue 2, p1-12. 12p.
Subjects: Whole genome sequencing, Nucleotide sequencing, Migratory birds, Bird dispersal, Bird breeding
Abstract: In high-latitude species with high dispersal ability, such as long-distance migratory birds, populations are often assumed to exhibit little genetic structure due to high gene flow or recent postglacial expansion. We sequenced over 120 low-coverage whole genomes from across the breeding range of a long-distance migratory bird, the Veery (Catharus fuscescens), revealing strong evidence for isolation by distance. Additionally, we found distinct genetic structure between boreal, western montane U.S. and southern Appalachian sampling regions. We suggest that population genetic structure in this highly migratory species is detectable with the high resolution afforded by whole-genomic data because, similar to many migratory birds, the Veery exhibits high breeding-site fidelity, which likely limits gene flow. Resolution of isolation by distance across the breeding range was sufficient to assign likely breeding origins of individuals sampled in this species' poorly understood South American nonbreeding range, demonstrating the potential to assess migratory connectivity in this species using genomic data. As the Veery's breeding range extends across both historically glaciated and unglaciated regions in North America, we also evaluated whether contemporary patterns of structure and genetic diversity are consistent with historical population isolation in glacial refugia. We found that patterns of genetic diversity did not support southern montane regions (southern Appalachians or western U.S. mountains) as glacial refugia. Overall, our findings suggest that isolation by distance yields subtle associations between genetic structure and geography across the breeding range of this highly vagile species even in the absence of obvious historical vicariance or contemporary barriers to dispersal. [ABSTRACT FROM AUTHOR]
Copyright of Ornithology (Oxford University Press) is the property of Oxford University Press / USA and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
Database: Psychology and Behavioral Sciences Collection
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  Data: How Veeries vary: Whole genome sequencing resolves genetic structure in a long-distance migratory bird.
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  Data: <searchLink fieldCode="AR" term="%22Kimmitt%2C+Abigail+A%22">Kimmitt, Abigail A</searchLink><br /><searchLink fieldCode="AR" term="%22Pegan%2C+Teresa+M%22">Pegan, Teresa M</searchLink><br /><searchLink fieldCode="AR" term="%22Jones%2C+Andrew+W%22">Jones, Andrew W</searchLink><br /><searchLink fieldCode="AR" term="%22Winker%2C+Kevin%22">Winker, Kevin</searchLink><br /><searchLink fieldCode="AR" term="%22Winger%2C+Benjamin+M%22">Winger, Benjamin M</searchLink>
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  Data: <searchLink fieldCode="JN" term="%22Ornithology+%28Oxford+University+Press%29%22">Ornithology (Oxford University Press)</searchLink>. Apr2024, Vol. 141 Issue 2, p1-12. 12p.
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  Data: <searchLink fieldCode="DE" term="%22Whole+genome+sequencing%22">Whole genome sequencing</searchLink><br /><searchLink fieldCode="DE" term="%22Nucleotide+sequencing%22">Nucleotide sequencing</searchLink><br /><searchLink fieldCode="DE" term="%22Migratory+birds%22">Migratory birds</searchLink><br /><searchLink fieldCode="DE" term="%22Bird+dispersal%22">Bird dispersal</searchLink><br /><searchLink fieldCode="DE" term="%22Bird+breeding%22">Bird breeding</searchLink>
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  Data: In high-latitude species with high dispersal ability, such as long-distance migratory birds, populations are often assumed to exhibit little genetic structure due to high gene flow or recent postglacial expansion. We sequenced over 120 low-coverage whole genomes from across the breeding range of a long-distance migratory bird, the Veery (Catharus fuscescens), revealing strong evidence for isolation by distance. Additionally, we found distinct genetic structure between boreal, western montane U.S. and southern Appalachian sampling regions. We suggest that population genetic structure in this highly migratory species is detectable with the high resolution afforded by whole-genomic data because, similar to many migratory birds, the Veery exhibits high breeding-site fidelity, which likely limits gene flow. Resolution of isolation by distance across the breeding range was sufficient to assign likely breeding origins of individuals sampled in this species' poorly understood South American nonbreeding range, demonstrating the potential to assess migratory connectivity in this species using genomic data. As the Veery's breeding range extends across both historically glaciated and unglaciated regions in North America, we also evaluated whether contemporary patterns of structure and genetic diversity are consistent with historical population isolation in glacial refugia. We found that patterns of genetic diversity did not support southern montane regions (southern Appalachians or western U.S. mountains) as glacial refugia. Overall, our findings suggest that isolation by distance yields subtle associations between genetic structure and geography across the breeding range of this highly vagile species even in the absence of obvious historical vicariance or contemporary barriers to dispersal. [ABSTRACT FROM AUTHOR]
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  Data: <i>Copyright of Ornithology (Oxford University Press) is the property of Oxford University Press / USA and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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              Text: Apr2024
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