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Low genetic diversity despite multiple introductions of the invasive plant species Impatiens glandulifera in Europe

Jenny Hagenblad, Jennifer Hülskötter, Kamal Prasad Acharya, Jörg Brunet, Olivier Chabrerie, Sara AO Cousins, Pervaiz A Dar, Martin Diekmann, Pieter De Frenne UGent, Martin Hermy UGent, et al. (2015) BMC GENETICS. 16.
abstract
Background: Invasive species can be a major threat to native biodiversity and the number of invasive plant species is increasing across the globe. Population genetic studies of invasive species can provide key insights into their invasion history and ensuing evolution, but also for their control. Here we genetically characterise populations of Impatiens glandulifera, an invasive plant in Europe that can have a major impact on native plant communities. We compared populations from the species' native range in Kashmir, India, to those in its invaded range, along a latitudinal gradient in Europe. For comparison, the results from 39 other studies of genetic diversity in invasive species were collated. Results: Our results suggest that I. glandulifera was established in the wild in Europe at least twice, from an area outside of our Kashmir study area. Our results further revealed that the genetic diversity in invasive populations of I. glandulifera is unusually low compared to native populations, in particular when compared to other invasive species. Genetic drift rather than mutation seems to have played a role in differentiating populations in Europe. We find evidence of limitations to local gene flow after introduction to Europe, but somewhat less restrictions in the native range. I. glandulifera populations with significant inbreeding were only found in the species' native range and invasive species in general showed no increase in inbreeding upon leaving their native ranges. In Europe we detect cases of migration between distantly located populations. Human activities therefore seem to, at least partially, have facilitated not only introductions, but also further spread of I. glandulifera across Europe. Conclusions: Although multiple introductions will facilitate the retention of genetic diversity in invasive ranges, widespread invasive species can remain genetically relatively invariant also after multiple introductions. Phenotypic plasticity may therefore be an important component of the successful spread of Impatiens glandulifera across Europe.
Please use this url to cite or link to this publication:
author
organization
year
type
journalArticle (original)
publication status
published
subject
keyword
SSRs, Colonisation events, Exotic species, Molecular diversity, Weeds, BROMUS-TECTORUM POACEAE, MULTILOCUS GENOTYPE DATA, POPULATION-STRUCTURE, BIOLOGICAL INVASIONS, INTRODUCTION HISTORY, ALLIARIA-PETIOLATA, ALLELE FREQUENCIES, RIPARIAN HABITATS, RANGE EXPANSION, AQUATIC PLANT
journal title
BMC GENETICS
BMC Genet.
volume
16
article number
103
pages
16 pages
Web of Science type
Article
Web of Science id
000359699200001
JCR category
GENETICS & HEREDITY
JCR impact factor
2.152 (2015)
JCR rank
100/165 (2015)
JCR quartile
3 (2015)
ISSN
1471-2156
DOI
10.1186/s12863-015-0242-8
language
English
UGent publication?
yes
classification
A1
copyright statement
Creative Commons Attribution 4.0 International Public License (CC-BY 4.0)
id
6908032
handle
http://hdl.handle.net/1854/LU-6908032
date created
2015-08-20 14:36:16
date last changed
2017-03-14 12:10:17
@article{6908032,
  abstract     = {Background: Invasive species can be a major threat to native biodiversity and the number of invasive plant species is increasing across the globe. Population genetic studies of invasive species can provide key insights into their invasion history and ensuing evolution, but also for their control. Here we genetically characterise populations of Impatiens glandulifera, an invasive plant in Europe that can have a major impact on native plant communities. We compared populations from the species' native range in Kashmir, India, to those in its invaded range, along a latitudinal gradient in Europe. For comparison, the results from 39 other studies of genetic diversity in invasive species were collated. 
Results: Our results suggest that I. glandulifera was established in the wild in Europe at least twice, from an area outside of our Kashmir study area. Our results further revealed that the genetic diversity in invasive populations of I. glandulifera is unusually low compared to native populations, in particular when compared to other invasive species. Genetic drift rather than mutation seems to have played a role in differentiating populations in Europe. We find evidence of limitations to local gene flow after introduction to Europe, but somewhat less restrictions in the native range. I. glandulifera populations with significant inbreeding were only found in the species' native range and invasive species in general showed no increase in inbreeding upon leaving their native ranges. In Europe we detect cases of migration between distantly located populations. Human activities therefore seem to, at least partially, have facilitated not only introductions, but also further spread of I. glandulifera across Europe. 
Conclusions: Although multiple introductions will facilitate the retention of genetic diversity in invasive ranges, widespread invasive species can remain genetically relatively invariant also after multiple introductions. Phenotypic plasticity may therefore be an important component of the successful spread of Impatiens glandulifera across Europe.},
  articleno    = {103},
  author       = {Hagenblad, Jenny and H{\"u}lsk{\"o}tter, Jennifer and Acharya, Kamal Prasad and Brunet, J{\"o}rg and Chabrerie, Olivier  and Cousins, Sara AO and Dar, Pervaiz A and Diekmann, Martin and De Frenne, Pieter and Hermy, Martin and Jamoneau, Aur{\'e}lien and Kolb, Annette and Lemke, Isgard and Plue, Jan and Reshi, Zafar A and Graae, Bente Jessen},
  issn         = {1471-2156},
  journal      = {BMC GENETICS},
  keyword      = {SSRs,Colonisation events,Exotic species,Molecular diversity,Weeds,BROMUS-TECTORUM POACEAE,MULTILOCUS GENOTYPE DATA,POPULATION-STRUCTURE,BIOLOGICAL INVASIONS,INTRODUCTION HISTORY,ALLIARIA-PETIOLATA,ALLELE FREQUENCIES,RIPARIAN HABITATS,RANGE EXPANSION,AQUATIC PLANT},
  language     = {eng},
  pages        = {16},
  title        = {Low genetic diversity despite multiple introductions of the invasive plant species Impatiens glandulifera in Europe},
  url          = {http://dx.doi.org/10.1186/s12863-015-0242-8},
  volume       = {16},
  year         = {2015},
}

Chicago
Hagenblad, Jenny, Jennifer Hülskötter, Kamal Prasad Acharya, Jörg Brunet, Olivier Chabrerie, Sara AO Cousins, Pervaiz A Dar, et al. 2015. “Low Genetic Diversity Despite Multiple Introductions of the Invasive Plant Species Impatiens Glandulifera in Europe.” Bmc Genetics 16.
APA
Hagenblad, J., Hülskötter, J., Acharya, K. P., Brunet, J., Chabrerie, O., Cousins, S. A., Dar, P. A., et al. (2015). Low genetic diversity despite multiple introductions of the invasive plant species Impatiens glandulifera in Europe. BMC GENETICS, 16.
Vancouver
1.
Hagenblad J, Hülskötter J, Acharya KP, Brunet J, Chabrerie O, Cousins SA, et al. Low genetic diversity despite multiple introductions of the invasive plant species Impatiens glandulifera in Europe. BMC GENETICS. 2015;16.
MLA
Hagenblad, Jenny, Jennifer Hülskötter, Kamal Prasad Acharya, et al. “Low Genetic Diversity Despite Multiple Introductions of the Invasive Plant Species Impatiens Glandulifera in Europe.” BMC GENETICS 16 (2015): n. pag. Print.