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Statements

Subject Item
n2:RIV%2F68081766%3A_____%2F13%3A00383734%21RIV13-GA0-68081766
rdf:type
n10:Vysledek skos:Concept
dcterms:description
An understanding of the evolutionary history and dynamics of invasive species is required for the construction of predictive models of future spread and the design of biological management measures. The black rat (Rattus rattus) is a major vertebrate invader with a worldwide distribution. Despite the severe ecological, economic and health impacts of this species, its evolutionary history has been little studied. We carried out extensive specimen sampling in Senegal, West Africa, and used microsatellite markers to describe the pattern and processes of invasion in this large continental area. The genetic data obtained were combined with historical knowledge concerning the presence of this species in Senegal. Data were analysed by a combination of Bayesian clustering and approximate Bayesian computation methods. The invasion pathways closely paralleled the history of human trade routes in Senegal. In several places, we detected the occurrence of multiple introductions from genetically different sources. Long-distance migration between towns and villages was also observed. Our findings suggest that genetic Bottlenecks and admixture have played a major role in shaping the genetics of invasive black rats. These two processes may generate genetic novelty and favour rapid evolution along the invasion pathways. An understanding of the evolutionary history and dynamics of invasive species is required for the construction of predictive models of future spread and the design of biological management measures. The black rat (Rattus rattus) is a major vertebrate invader with a worldwide distribution. Despite the severe ecological, economic and health impacts of this species, its evolutionary history has been little studied. We carried out extensive specimen sampling in Senegal, West Africa, and used microsatellite markers to describe the pattern and processes of invasion in this large continental area. The genetic data obtained were combined with historical knowledge concerning the presence of this species in Senegal. Data were analysed by a combination of Bayesian clustering and approximate Bayesian computation methods. The invasion pathways closely paralleled the history of human trade routes in Senegal. In several places, we detected the occurrence of multiple introductions from genetically different sources. Long-distance migration between towns and villages was also observed. Our findings suggest that genetic Bottlenecks and admixture have played a major role in shaping the genetics of invasive black rats. These two processes may generate genetic novelty and favour rapid evolution along the invasion pathways.
dcterms:title
Invasion genetics of the introduced black rat (Rattus rattus) in Senegal, West Africa Invasion genetics of the introduced black rat (Rattus rattus) in Senegal, West Africa
skos:prefLabel
Invasion genetics of the introduced black rat (Rattus rattus) in Senegal, West Africa Invasion genetics of the introduced black rat (Rattus rattus) in Senegal, West Africa
skos:notation
RIV/68081766:_____/13:00383734!RIV13-GA0-68081766
n10:predkladatel
n16:ico%3A68081766
n3:aktivita
n14:P n14:I
n3:aktivity
I, P(GAP506/10/0983), P(IAA6093404)
n3:cisloPeriodika
2
n3:dodaniDat
n5:2013
n3:domaciTvurceVysledku
n8:7992726 n8:1659758
n3:druhVysledku
n11:J
n3:duvernostUdaju
n17:S
n3:entitaPredkladatele
n19:predkladatel
n3:idSjednocenehoVysledku
81030
n3:idVysledku
RIV/68081766:_____/13:00383734
n3:jazykVysledku
n9:eng
n3:klicovaSlova
approximate bayesian computation; bioinvasion; Bayesian clustering; founder effects; genetic admixture; microsatellites; multiple introductions
n3:klicoveSlovo
n4:microsatellites n4:bioinvasion n4:founder%20effects n4:Bayesian%20clustering n4:approximate%20bayesian%20computation n4:multiple%20introductions n4:genetic%20admixture
n3:kodStatuVydavatele
GB - Spojené království Velké Británie a Severního Irska
n3:kontrolniKodProRIV
[423AC59F6568]
n3:nazevZdroje
Molecular Ecology
n3:obor
n13:EG
n3:pocetDomacichTvurcuVysledku
2
n3:pocetTvurcuVysledku
8
n3:projekt
n12:GAP506%2F10%2F0983 n12:IAA6093404
n3:rokUplatneniVysledku
n5:2013
n3:svazekPeriodika
22
n3:tvurceVysledku
Galan, M. Konečný, Adam Cosson, J.-F. Bryja, Josef Ba, K. Estoup, A. Tatard, C. Duplantier, J.-M.
n3:wos
000312996600003
s:issn
0962-1083
s:numberOfPages
18
n18:doi
10.1111/mec.12112