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Retention of gene diversity during the spread of a non-native plant species

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Retention of gene diversity during the spread of a non-native plant species. / Vandepitte, Katrien; Helsen, Kenny; Van Acker, Kasper; Mergeay, Joachim; Honnay, Olivier.

In: Molecular Ecology, Vol. 26, No. 12, 06.2017, p. 3141-3150.

Research output: Contribution to journalA1: Web of Science-article

Harvard

Vandepitte, K, Helsen, K, Van Acker, K, Mergeay, J & Honnay, O 2017, 'Retention of gene diversity during the spread of a non-native plant species', Molecular Ecology, vol. 26, no. 12, pp. 3141-3150. https://doi.org/10.1111/mec.14119

APA

Author

Vandepitte, Katrien ; Helsen, Kenny ; Van Acker, Kasper ; Mergeay, Joachim ; Honnay, Olivier. / Retention of gene diversity during the spread of a non-native plant species. In: Molecular Ecology. 2017 ; Vol. 26, No. 12. pp. 3141-3150.

Bibtex

@article{b182549eb2a5445cb749e8fffb678f42,
title = "Retention of gene diversity during the spread of a non-native plant species",
abstract = "Spatial expansion, which is a crucial stage in the process to successful biological invasion, is anticipated to profoundly affect the magnitude and spatial distribution of genetic diversity in novel colonized areas. Here, we show that, contrasting common expectations, Pyrenean rocket (Sisymbrium austriacum), retained SNP diversity as this introduced plant species descended in the Meuse River Basin. Allele frequencies did not mirror between-population distances along the predominant expansion axis. Reconstruction of invasion history based on the genotypes of historical herbarium specimens indicated no influence of additional introductions or multiple points of entry on this nongradual pattern. Assignment analysis suggested the admixture of distant upstream sources in recently founded downstream populations. River dynamics seem to have facilitated occasional long-distance dispersal which brought diversity to the expansion front and so maintained evolutionary potential. Our findings highlight the merit of a historical framework in interpreting extant patterns of genetic diversity in introduced species and underscore the need to integrate long-distance dispersal events in theoretical work on the genetic consequences of range expansion.",
author = "Katrien Vandepitte and Kenny Helsen and {Van Acker}, Kasper and Joachim Mergeay and Olivier Honnay",
note = "{\circledC} 2017 John Wiley & Sons Ltd.",
year = "2017",
month = "6",
doi = "10.1111/mec.14119",
language = "English",
volume = "26",
pages = "3141--3150",
journal = "Molecular Ecology",
issn = "0962-1083",
publisher = "Wiley-Blackwell",
number = "12",

}

RIS

TY - JOUR

T1 - Retention of gene diversity during the spread of a non-native plant species

AU - Vandepitte, Katrien

AU - Helsen, Kenny

AU - Van Acker, Kasper

AU - Mergeay, Joachim

AU - Honnay, Olivier

N1 - © 2017 John Wiley & Sons Ltd.

PY - 2017/6

Y1 - 2017/6

N2 - Spatial expansion, which is a crucial stage in the process to successful biological invasion, is anticipated to profoundly affect the magnitude and spatial distribution of genetic diversity in novel colonized areas. Here, we show that, contrasting common expectations, Pyrenean rocket (Sisymbrium austriacum), retained SNP diversity as this introduced plant species descended in the Meuse River Basin. Allele frequencies did not mirror between-population distances along the predominant expansion axis. Reconstruction of invasion history based on the genotypes of historical herbarium specimens indicated no influence of additional introductions or multiple points of entry on this nongradual pattern. Assignment analysis suggested the admixture of distant upstream sources in recently founded downstream populations. River dynamics seem to have facilitated occasional long-distance dispersal which brought diversity to the expansion front and so maintained evolutionary potential. Our findings highlight the merit of a historical framework in interpreting extant patterns of genetic diversity in introduced species and underscore the need to integrate long-distance dispersal events in theoretical work on the genetic consequences of range expansion.

AB - Spatial expansion, which is a crucial stage in the process to successful biological invasion, is anticipated to profoundly affect the magnitude and spatial distribution of genetic diversity in novel colonized areas. Here, we show that, contrasting common expectations, Pyrenean rocket (Sisymbrium austriacum), retained SNP diversity as this introduced plant species descended in the Meuse River Basin. Allele frequencies did not mirror between-population distances along the predominant expansion axis. Reconstruction of invasion history based on the genotypes of historical herbarium specimens indicated no influence of additional introductions or multiple points of entry on this nongradual pattern. Assignment analysis suggested the admixture of distant upstream sources in recently founded downstream populations. River dynamics seem to have facilitated occasional long-distance dispersal which brought diversity to the expansion front and so maintained evolutionary potential. Our findings highlight the merit of a historical framework in interpreting extant patterns of genetic diversity in introduced species and underscore the need to integrate long-distance dispersal events in theoretical work on the genetic consequences of range expansion.

U2 - 10.1111/mec.14119

DO - 10.1111/mec.14119

M3 - A1: Web of Science-article

C2 - 28345193

VL - 26

SP - 3141

EP - 3150

JO - Molecular Ecology

JF - Molecular Ecology

SN - 0962-1083

IS - 12

ER -

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