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Publication Details
AFRICAN RESEARCH NEXUS
SHINING A SPOTLIGHT ON AFRICAN RESEARCH
agricultural and biological sciences
Invasion genetics of a human commensal rodent: The black rat Rattus rattus in Madagascar
Molecular Ecology, Volume 23, No. 16, Year 2014
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Description
Studies focusing on geographical genetic patterns of commensal species and on human history complement each other and provide proxies to trace common colonization events. On Madagascar, the unintentional introduction and spread of the commensal species Rattus rattus by people may have left a living clue of human colonization patterns and history. In this study, we addressed this question by characterizing the genetic structure of natural populations of R. rattus using both microsatellites and mitochondrial sequences, on an extensive sampling across the island. Such data sets were analysed by a combination of methods using population genetics, phylogeography and approximate Bayesian computation. Our results indicated two introduction events to Madagascar from the same ancestral source of R. rattus, one in the extreme north of the island and the other further south. The latter was the source of a large spatial expansion, which may have initially started from an original point located on the southern coast. The inferred timing of introduction events - several centuries ago - is temporally congruent with the Arabian trade network in the Indian Ocean, which was flourishing from the middle of the first millennium. © 2014 John Wiley & Sons Ltd.
Authors & Co-Authors
Brouat, Carine
France, Montpellier
L'institut Agro Montpellier
Tollenaere, Charlotte
France, Montpellier
L'institut Agro Montpellier
France, Montpellier
Université de Montpellier
Estoup, Arnaud
France, Montpellier
Inrae's Occitanie-montpellier Centre
Loiseau, Anne
France, Montpellier
Inrae's Occitanie-montpellier Centre
Sommer, Simone
Germany, Berlin
Leibniz-institut Für Zoo- Und Wildtierforschung
Soanandrasana, Rahelinirina
Madagascar, Antananarivo
Institut Pasteur de Madagascar
Rahalison, Lila
Madagascar, Antananarivo
Institut Pasteur de Madagascar
United States, Atlanta
Centers for Disease Control and Prevention
Rajerison, Minoarisoa Esther
Madagascar, Antananarivo
Institut Pasteur de Madagascar
Piry, Sylvain
France, Montpellier
Inrae's Occitanie-montpellier Centre
Goodman, Steven Michael
United States, Chicago
Field Museum of Natural History
Madagascar, Antananarivo
Association Vahatra
Duplantier, Jean Marc
France, Montpellier
L'institut Agro Montpellier
Statistics
Citations: 42
Authors: 11
Affiliations: 8
Identifiers
Doi:
10.1111/mec.12848
ISSN:
09621083
e-ISSN:
1365294X
Research Areas
Genetics And Genomics
Study Design
Cross Sectional Study
Study Locations
Madagascar