Genomic Evidence for Rare Hybridization and Large Demographic Changes in the Evolutionary Histories of Four North American Dove Species
Introductions and invasions provide opportunities for interaction and hybridization between colonists and closely related native species. We investigate this phenomenon using the mitochondrial DNA COI and 81,416 base-pairs of overlapping nuclear variation to examine the evolutionary histories and si...
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MDPI AG
2021-09-01
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| Online Access: | https://www.mdpi.com/2076-2615/11/9/2677 |
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| author | Flor Hernández Joshua I. Brown Marissa Kaminski Michael G. Harvey Philip Lavretsky |
| author_facet | Flor Hernández Joshua I. Brown Marissa Kaminski Michael G. Harvey Philip Lavretsky |
| author_sort | Flor Hernández |
| collection | DOAJ |
| description | Introductions and invasions provide opportunities for interaction and hybridization between colonists and closely related native species. We investigate this phenomenon using the mitochondrial DNA COI and 81,416 base-pairs of overlapping nuclear variation to examine the evolutionary histories and signatures of hybridization among introduced feral Rock Pigeon and Eurasian Collared-Dove and native White-winged and Mourning doves in southwestern North America. First, we report all four species to be highly divergent across loci (overall pair-wise species <i>Φ<sub>ST</sub></i> range = 0.17–0.70) and provide little evidence for gene flow at evolutionary timescales. Despite this, evidence from multiple population genetics analyses supports the presence of six putative contemporary late-stage hybrids among the 182 sampled individuals. These putative hybrids contain various ancestry combinations, but all involve the most populous species, the Mourning Dove. Next, we use a novel method to reconstruct demographic changes through time using partial genome sequence data. We identify recent, species-specific fluctuations in population size that are likely associated with changing environments since the Miocene and suggest that these fluctuations have influenced the genetic diversity of each dove species in ways that may impact their future persistence. Finally, we discuss the importance of using multiple marker types when attempting to infer complex evolutionary histories and propose important considerations when analyzing populations that were recently established or of domestic origins. |
| first_indexed | 2024-03-10T07:58:30Z |
| format | Article |
| id | doaj.art-d99eea484c8942019fae82517fae1fee |
| institution | Directory Open Access Journal |
| issn | 2076-2615 |
| language | English |
| last_indexed | 2024-03-10T07:58:30Z |
| publishDate | 2021-09-01 |
| publisher | MDPI AG |
| record_format | Article |
| series | Animals |
| spelling | doaj.art-d99eea484c8942019fae82517fae1fee2023-11-22T11:43:50ZengMDPI AGAnimals2076-26152021-09-01119267710.3390/ani11092677Genomic Evidence for Rare Hybridization and Large Demographic Changes in the Evolutionary Histories of Four North American Dove SpeciesFlor Hernández0Joshua I. Brown1Marissa Kaminski2Michael G. Harvey3Philip Lavretsky4Department of Biological Sciences, University of Texas at El Paso, El Paso, TX 79968, USADepartment of Biological Sciences, University of Texas at El Paso, El Paso, TX 79968, USADepartment of Biological Sciences, University of Texas at El Paso, El Paso, TX 79968, USADepartment of Biological Sciences, University of Texas at El Paso, El Paso, TX 79968, USADepartment of Biological Sciences, University of Texas at El Paso, El Paso, TX 79968, USAIntroductions and invasions provide opportunities for interaction and hybridization between colonists and closely related native species. We investigate this phenomenon using the mitochondrial DNA COI and 81,416 base-pairs of overlapping nuclear variation to examine the evolutionary histories and signatures of hybridization among introduced feral Rock Pigeon and Eurasian Collared-Dove and native White-winged and Mourning doves in southwestern North America. First, we report all four species to be highly divergent across loci (overall pair-wise species <i>Φ<sub>ST</sub></i> range = 0.17–0.70) and provide little evidence for gene flow at evolutionary timescales. Despite this, evidence from multiple population genetics analyses supports the presence of six putative contemporary late-stage hybrids among the 182 sampled individuals. These putative hybrids contain various ancestry combinations, but all involve the most populous species, the Mourning Dove. Next, we use a novel method to reconstruct demographic changes through time using partial genome sequence data. We identify recent, species-specific fluctuations in population size that are likely associated with changing environments since the Miocene and suggest that these fluctuations have influenced the genetic diversity of each dove species in ways that may impact their future persistence. Finally, we discuss the importance of using multiple marker types when attempting to infer complex evolutionary histories and propose important considerations when analyzing populations that were recently established or of domestic origins.https://www.mdpi.com/2076-2615/11/9/2677secondary contactColumbidaedemographyevolutionpopulation geneticsspeciation |
| spellingShingle | Flor Hernández Joshua I. Brown Marissa Kaminski Michael G. Harvey Philip Lavretsky Genomic Evidence for Rare Hybridization and Large Demographic Changes in the Evolutionary Histories of Four North American Dove Species Animals secondary contact Columbidae demography evolution population genetics speciation |
| title | Genomic Evidence for Rare Hybridization and Large Demographic Changes in the Evolutionary Histories of Four North American Dove Species |
| title_full | Genomic Evidence for Rare Hybridization and Large Demographic Changes in the Evolutionary Histories of Four North American Dove Species |
| title_fullStr | Genomic Evidence for Rare Hybridization and Large Demographic Changes in the Evolutionary Histories of Four North American Dove Species |
| title_full_unstemmed | Genomic Evidence for Rare Hybridization and Large Demographic Changes in the Evolutionary Histories of Four North American Dove Species |
| title_short | Genomic Evidence for Rare Hybridization and Large Demographic Changes in the Evolutionary Histories of Four North American Dove Species |
| title_sort | genomic evidence for rare hybridization and large demographic changes in the evolutionary histories of four north american dove species |
| topic | secondary contact Columbidae demography evolution population genetics speciation |
| url | https://www.mdpi.com/2076-2615/11/9/2677 |
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