Mitochondrial Genomes of the United States Distribution of Gray Fox (Urocyon cinereoargenteus) Reveal a Major Phylogeographic Break at the Great Plains Suture Zone
Abstract
We examined phylogeographic structure in gray fox (Urocyon cinereoargenteus) across the United States to identify the location of secondary contact zone(s) between eastern and western lineages and investigate the possibility of additional cryptic intraspecific divergences. We generated and analyzed complete mitochondrial genome sequence data from 75 samples and partial control region mitochondrial DNA sequences from 378 samples to investigate levels of genetic diversity and structure through population- and individual-based analyses including estimates of divergence (FST and SAMOVA), median joining networks, and phylogenies. We used complete mitochondrial genomes to infer phylogenetic relationships and date divergence times of major lineages of Urocyon in the United States. Despite broad-scale sampling, we did not recover additional major lineages of Urocyon within the United States, but identified a deep east-west split (~0.8 million years) with secondary contact at the Great Plains Suture Zone and confirmed the Channel Island fox (Urocyon littoralis) is nested within U. cinereoargenteus. Genetic diversity declined at northern latitudes in the eastern United States, a pattern concordant with post-glacial recolonization and range expansion. Beyond the east-west divergence, morphologically-based subspecies did not form monophyletic groups, though unique haplotypes were often geographically limited. Gray foxes in the United States displayed a deep, cryptic divergencemore »
- Authors:
-
- Luther College, Decorah, IA (United States). Dept. of Biology
- National Zoological Park, Washington, DC (United States). Smithsonian Conservation Biology Inst. Center for Conservation Genomics; George Mason Univ., Fairfax, VA (United States). Dept. of Biology; Smithsonian-Mason School of Conservation, Front Royal, VA (United States)
- National Zoological Park, Washington, DC (United States). Smithsonian Conservation Biology Inst. Center for Conservation Genomics
- Univ. of Delaware, Newark, DE (United States). Dept. of Entomology and Wildlife Ecology
- Savannah River Site (SRS), Aiken, SC (United States). Savannah River Ecology Lab. (SREL)
- Missouri Department of Conservation, Columbia, MO (United States)
- Iowa State Univ., Ames, IA (United States). Dept. o fEcology, Evolution, and Organismal Biology
- National Zoological Park, Washington, DC (United States). Smithsonian Conservation Biology Inst. Center for Conservation Genomics; George Mason Univ., Fairfax, VA (United States). Dept. of Biology
- Publication Date:
- Research Org.:
- Univ. of Georgia, Athens, GA (United States)
- Sponsoring Org.:
- USDOE Office of Environmental Management (EM)
- OSTI Identifier:
- 1848976
- Grant/Contract Number:
- EM0004391
- Resource Type:
- Accepted Manuscript
- Journal Name:
- Frontiers in Ecology and Evolution
- Additional Journal Information:
- Journal Volume: 9; Journal ID: ISSN 2296-701X
- Publisher:
- Frontiers Research Foundation
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 54 ENVIRONMENTAL SCIENCES; environmental sciences & ecology; Great Plains Suture Zone, mammal; mitogenome; phylogeography; secondary contact; subspecies
Citation Formats
Reding, Dawn M., Castañeda-Rico, Susette, Shirazi, Sabrina, Hofman, Courtney A., Cancellare, Imogene A., Lance, Stacey L., Beringer, Jeff, Clark, William R., and Maldonado, Jesus E. Mitochondrial Genomes of the United States Distribution of Gray Fox (Urocyon cinereoargenteus) Reveal a Major Phylogeographic Break at the Great Plains Suture Zone. United States: N. p., 2021.
Web. doi:10.3389/fevo.2021.666800.
Reding, Dawn M., Castañeda-Rico, Susette, Shirazi, Sabrina, Hofman, Courtney A., Cancellare, Imogene A., Lance, Stacey L., Beringer, Jeff, Clark, William R., & Maldonado, Jesus E. Mitochondrial Genomes of the United States Distribution of Gray Fox (Urocyon cinereoargenteus) Reveal a Major Phylogeographic Break at the Great Plains Suture Zone. United States. https://doi.org/10.3389/fevo.2021.666800
Reding, Dawn M., Castañeda-Rico, Susette, Shirazi, Sabrina, Hofman, Courtney A., Cancellare, Imogene A., Lance, Stacey L., Beringer, Jeff, Clark, William R., and Maldonado, Jesus E. Tue .
"Mitochondrial Genomes of the United States Distribution of Gray Fox (Urocyon cinereoargenteus) Reveal a Major Phylogeographic Break at the Great Plains Suture Zone". United States. https://doi.org/10.3389/fevo.2021.666800. https://www.osti.gov/servlets/purl/1848976.
@article{osti_1848976,
title = {Mitochondrial Genomes of the United States Distribution of Gray Fox (Urocyon cinereoargenteus) Reveal a Major Phylogeographic Break at the Great Plains Suture Zone},
author = {Reding, Dawn M. and Castañeda-Rico, Susette and Shirazi, Sabrina and Hofman, Courtney A. and Cancellare, Imogene A. and Lance, Stacey L. and Beringer, Jeff and Clark, William R. and Maldonado, Jesus E.},
abstractNote = {We examined phylogeographic structure in gray fox (Urocyon cinereoargenteus) across the United States to identify the location of secondary contact zone(s) between eastern and western lineages and investigate the possibility of additional cryptic intraspecific divergences. We generated and analyzed complete mitochondrial genome sequence data from 75 samples and partial control region mitochondrial DNA sequences from 378 samples to investigate levels of genetic diversity and structure through population- and individual-based analyses including estimates of divergence (FST and SAMOVA), median joining networks, and phylogenies. We used complete mitochondrial genomes to infer phylogenetic relationships and date divergence times of major lineages of Urocyon in the United States. Despite broad-scale sampling, we did not recover additional major lineages of Urocyon within the United States, but identified a deep east-west split (~0.8 million years) with secondary contact at the Great Plains Suture Zone and confirmed the Channel Island fox (Urocyon littoralis) is nested within U. cinereoargenteus. Genetic diversity declined at northern latitudes in the eastern United States, a pattern concordant with post-glacial recolonization and range expansion. Beyond the east-west divergence, morphologically-based subspecies did not form monophyletic groups, though unique haplotypes were often geographically limited. Gray foxes in the United States displayed a deep, cryptic divergence suggesting taxonomic revision is needed. Secondary contact at a common phylogeographic break, the Great Plains Suture Zone, where environmental variables show a sharp cline, suggests ongoing evolutionary processes may reinforce this divergence. Follow-up study with nuclear markers should investigate whether hybridization is occurring along the suture zone and characterize contemporary population structure to help identify conservation units. Comparative work on other wide-ranging carnivores in the region should test whether similar evolutionary patterns and processes are occurring.},
doi = {10.3389/fevo.2021.666800},
journal = {Frontiers in Ecology and Evolution},
number = ,
volume = 9,
place = {United States},
year = {Tue Jun 08 00:00:00 EDT 2021},
month = {Tue Jun 08 00:00:00 EDT 2021}
}
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