A sliver of the past: The decimation of the genetic diversity of the Mexican wolf
The endangered Mexican wolf (Canis lupus baileyi) is known to carry exceedingly low levels of genetic diversity. This could be (i) the result of long-term evolutionary patterns as they exist at the southernmost limit of the species distribution at a relatively reduced effective size, or (ii) due to...
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2021
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Online Access: | http://hdl.handle.net/10261/246190 https://doi.org/10.1111/mec.16037 https://doi.org/10.13039/501100000780 https://doi.org/10.13039/501100004837 |
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ftcsic:oai:digital.csic.es:10261/246190 2024-02-11T10:02:47+01:00 A sliver of the past: The decimation of the genetic diversity of the Mexican wolf Taron, Ulrike H. Salado, Isabel Escobar-Rodríguez, Mariana Westbury, Michael V. Butschkau, Susanne Paijmans, Johanna L. A. Holdt, Bridgett M. von Hofreiter, Michael Leonard, Jennifer A. European Commission Ministerio de Ciencia e Innovación (España) 2021 http://hdl.handle.net/10261/246190 https://doi.org/10.1111/mec.16037 https://doi.org/10.13039/501100000780 https://doi.org/10.13039/501100004837 en eng John Wiley & Sons #PLACEHOLDER_PARENT_METADATA_VALUE# info:eu-repo/grantAgreement/EC/H2020/310763 info:eu-repo/grantAgreement/AEI/Plan Estatal de Investigación Científica y Técnica y de Innovación 2017-2020/FPU17/02584 Publisher's version https://doi.org/10.1111/mec.16037 Sí Molecular Ecology, 1-15 (2021) http://hdl.handle.net/10261/246190 doi:10.1111/mec.16037 http://dx.doi.org/10.13039/501100000780 http://dx.doi.org/10.13039/501100004837 open Bottleneck Carnivore Historical DNA Historical genome Introgression Mitochondria artículo http://purl.org/coar/resource_type/c_6501 2021 ftcsic https://doi.org/10.1111/mec.1603710.13039/50110000078010.13039/501100004837 2024-01-16T11:11:21Z The endangered Mexican wolf (Canis lupus baileyi) is known to carry exceedingly low levels of genetic diversity. This could be (i) the result of long-term evolutionary patterns as they exist at the southernmost limit of the species distribution at a relatively reduced effective size, or (ii) due to rapid population decline caused by human persecution over the last century. If the former, purifying selection is expected to have minimized the impact of inbreeding. If the latter, rapid and recent declines in genetic diversity may have resulted in severe fitness consequences. To differentiate these hypotheses, we conducted comparative whole-genome analyses of five historical Mexican wolves (1907–1917) and 18 contemporary Mexican and grey wolves from North America and Eurasia. Based on whole-genome data, historical and modern Mexican wolves together form a discrete unit. Moreover, we found that modern Mexican wolves have reduced genetic diversity and increased inbreeding relative to the historical population, which was widespread across the southwestern United States and not restricted to Mexico as previously assumed. Finally, although Mexican wolves have evolved in sympatry with coyotes (C. latrans), we observed lower introgression between historical Mexican wolves and coyotes than with modern Mexican wolves, despite similarities in body size. Taken together, our data show that recent population declines probably caused the reduced level of genetic diversity, but not the observed differentiation of the Mexican wolves from other North American wolves Peer reviewed Article in Journal/Newspaper Canis lupus Digital.CSIC (Spanish National Research Council) Molecular Ecology 30 23 6340 6354 |
institution |
Open Polar |
collection |
Digital.CSIC (Spanish National Research Council) |
op_collection_id |
ftcsic |
language |
English |
topic |
Bottleneck Carnivore Historical DNA Historical genome Introgression Mitochondria |
spellingShingle |
Bottleneck Carnivore Historical DNA Historical genome Introgression Mitochondria Taron, Ulrike H. Salado, Isabel Escobar-Rodríguez, Mariana Westbury, Michael V. Butschkau, Susanne Paijmans, Johanna L. A. Holdt, Bridgett M. von Hofreiter, Michael Leonard, Jennifer A. A sliver of the past: The decimation of the genetic diversity of the Mexican wolf |
topic_facet |
Bottleneck Carnivore Historical DNA Historical genome Introgression Mitochondria |
description |
The endangered Mexican wolf (Canis lupus baileyi) is known to carry exceedingly low levels of genetic diversity. This could be (i) the result of long-term evolutionary patterns as they exist at the southernmost limit of the species distribution at a relatively reduced effective size, or (ii) due to rapid population decline caused by human persecution over the last century. If the former, purifying selection is expected to have minimized the impact of inbreeding. If the latter, rapid and recent declines in genetic diversity may have resulted in severe fitness consequences. To differentiate these hypotheses, we conducted comparative whole-genome analyses of five historical Mexican wolves (1907–1917) and 18 contemporary Mexican and grey wolves from North America and Eurasia. Based on whole-genome data, historical and modern Mexican wolves together form a discrete unit. Moreover, we found that modern Mexican wolves have reduced genetic diversity and increased inbreeding relative to the historical population, which was widespread across the southwestern United States and not restricted to Mexico as previously assumed. Finally, although Mexican wolves have evolved in sympatry with coyotes (C. latrans), we observed lower introgression between historical Mexican wolves and coyotes than with modern Mexican wolves, despite similarities in body size. Taken together, our data show that recent population declines probably caused the reduced level of genetic diversity, but not the observed differentiation of the Mexican wolves from other North American wolves Peer reviewed |
author2 |
European Commission Ministerio de Ciencia e Innovación (España) |
format |
Article in Journal/Newspaper |
author |
Taron, Ulrike H. Salado, Isabel Escobar-Rodríguez, Mariana Westbury, Michael V. Butschkau, Susanne Paijmans, Johanna L. A. Holdt, Bridgett M. von Hofreiter, Michael Leonard, Jennifer A. |
author_facet |
Taron, Ulrike H. Salado, Isabel Escobar-Rodríguez, Mariana Westbury, Michael V. Butschkau, Susanne Paijmans, Johanna L. A. Holdt, Bridgett M. von Hofreiter, Michael Leonard, Jennifer A. |
author_sort |
Taron, Ulrike H. |
title |
A sliver of the past: The decimation of the genetic diversity of the Mexican wolf |
title_short |
A sliver of the past: The decimation of the genetic diversity of the Mexican wolf |
title_full |
A sliver of the past: The decimation of the genetic diversity of the Mexican wolf |
title_fullStr |
A sliver of the past: The decimation of the genetic diversity of the Mexican wolf |
title_full_unstemmed |
A sliver of the past: The decimation of the genetic diversity of the Mexican wolf |
title_sort |
sliver of the past: the decimation of the genetic diversity of the mexican wolf |
publisher |
John Wiley & Sons |
publishDate |
2021 |
url |
http://hdl.handle.net/10261/246190 https://doi.org/10.1111/mec.16037 https://doi.org/10.13039/501100000780 https://doi.org/10.13039/501100004837 |
genre |
Canis lupus |
genre_facet |
Canis lupus |
op_relation |
#PLACEHOLDER_PARENT_METADATA_VALUE# info:eu-repo/grantAgreement/EC/H2020/310763 info:eu-repo/grantAgreement/AEI/Plan Estatal de Investigación Científica y Técnica y de Innovación 2017-2020/FPU17/02584 Publisher's version https://doi.org/10.1111/mec.16037 Sí Molecular Ecology, 1-15 (2021) http://hdl.handle.net/10261/246190 doi:10.1111/mec.16037 http://dx.doi.org/10.13039/501100000780 http://dx.doi.org/10.13039/501100004837 |
op_rights |
open |
op_doi |
https://doi.org/10.1111/mec.1603710.13039/50110000078010.13039/501100004837 |
container_title |
Molecular Ecology |
container_volume |
30 |
container_issue |
23 |
container_start_page |
6340 |
op_container_end_page |
6354 |
_version_ |
1790598835770228736 |