Genetic diversity in North American Cercis Canadensis reveals an ancient population bottleneck that originated after the last glacial maximum

Abstract Understanding of the present-day genetic diversity, population structure, and evolutionary history of tree species can inform resource management and conservation activities, including response to pressures presented by a changing climate. Cercis canadensis (Eastern Redbud) is an economical...

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Autores principales:	Meher Ony, William E. Klingeman, John Zobel, Robert N. Trigiano, Matthew Ginzel, Marcin Nowicki, Sarah L. Boggess, Sydney Everhart, Denita Hadziabdic
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2021
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/48d6fb5f77ff4e1c915e77257e760f88
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spelling	oai:doaj.org-article:48d6fb5f77ff4e1c915e77257e760f882021-11-14T12:22:38ZGenetic diversity in North American Cercis Canadensis reveals an ancient population bottleneck that originated after the last glacial maximum10.1038/s41598-021-01020-z2045-2322https://doaj.org/article/48d6fb5f77ff4e1c915e77257e760f882021-11-01T00:00:00Zhttps://doi.org/10.1038/s41598-021-01020-zhttps://doaj.org/toc/2045-2322Abstract Understanding of the present-day genetic diversity, population structure, and evolutionary history of tree species can inform resource management and conservation activities, including response to pressures presented by a changing climate. Cercis canadensis (Eastern Redbud) is an economically valuable understory tree species native to the United States (U.S.) that is also important for forest ecosystem and wildlife health. Here, we document and explain the population genetics and evolutionary history of this deciduous tree species across its distributed range. In this study, we used twelve microsatellite markers to investigate 691 wild-type trees sampled at 74 collection sites from 23 Eastern U.S. states. High genetic diversity and limited gene flow were revealed in wild, natural stands of C. canadensis with populations that are explained by two major genetic clusters. These findings indicate that an ancient population bottleneck occurred coinciding with the last glacial maximum (LGM) in North America. The structure in current populations likely originated from an ancient population in the eastern U.S. that survived LGM and then later diverged into two contemporary clusters. Data suggests that populations have expanded since the last glaciation event from one into several post-glacial refugia that now occupy this species’ current geographic range. Our enhanced understanding benchmarks the genetic variation preserved within this species and can direct future efforts in conservation, and resource utilization of adaptively resilient populations that present the greatest genetic and structural diversity.Meher OnyWilliam E. KlingemanJohn ZobelRobert N. TrigianoMatthew GinzelMarcin NowickiSarah L. BoggessSydney EverhartDenita HadziabdicNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 11, Iss 1, Pp 1-16 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Meher Ony William E. Klingeman John Zobel Robert N. Trigiano Matthew Ginzel Marcin Nowicki Sarah L. Boggess Sydney Everhart Denita Hadziabdic Genetic diversity in North American Cercis Canadensis reveals an ancient population bottleneck that originated after the last glacial maximum
description	Abstract Understanding of the present-day genetic diversity, population structure, and evolutionary history of tree species can inform resource management and conservation activities, including response to pressures presented by a changing climate. Cercis canadensis (Eastern Redbud) is an economically valuable understory tree species native to the United States (U.S.) that is also important for forest ecosystem and wildlife health. Here, we document and explain the population genetics and evolutionary history of this deciduous tree species across its distributed range. In this study, we used twelve microsatellite markers to investigate 691 wild-type trees sampled at 74 collection sites from 23 Eastern U.S. states. High genetic diversity and limited gene flow were revealed in wild, natural stands of C. canadensis with populations that are explained by two major genetic clusters. These findings indicate that an ancient population bottleneck occurred coinciding with the last glacial maximum (LGM) in North America. The structure in current populations likely originated from an ancient population in the eastern U.S. that survived LGM and then later diverged into two contemporary clusters. Data suggests that populations have expanded since the last glaciation event from one into several post-glacial refugia that now occupy this species’ current geographic range. Our enhanced understanding benchmarks the genetic variation preserved within this species and can direct future efforts in conservation, and resource utilization of adaptively resilient populations that present the greatest genetic and structural diversity.
format	article
author	Meher Ony William E. Klingeman John Zobel Robert N. Trigiano Matthew Ginzel Marcin Nowicki Sarah L. Boggess Sydney Everhart Denita Hadziabdic
author_facet	Meher Ony William E. Klingeman John Zobel Robert N. Trigiano Matthew Ginzel Marcin Nowicki Sarah L. Boggess Sydney Everhart Denita Hadziabdic
author_sort	Meher Ony
title	Genetic diversity in North American Cercis Canadensis reveals an ancient population bottleneck that originated after the last glacial maximum
title_short	Genetic diversity in North American Cercis Canadensis reveals an ancient population bottleneck that originated after the last glacial maximum
title_full	Genetic diversity in North American Cercis Canadensis reveals an ancient population bottleneck that originated after the last glacial maximum
title_fullStr	Genetic diversity in North American Cercis Canadensis reveals an ancient population bottleneck that originated after the last glacial maximum
title_full_unstemmed	Genetic diversity in North American Cercis Canadensis reveals an ancient population bottleneck that originated after the last glacial maximum
title_sort	genetic diversity in north american cercis canadensis reveals an ancient population bottleneck that originated after the last glacial maximum
publisher	Nature Portfolio
publishDate	2021
url	https://doaj.org/article/48d6fb5f77ff4e1c915e77257e760f88
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Genetic diversity in North American Cercis Canadensis reveals an ancient population bottleneck that originated after the last glacial maximum

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