@article{fdi:010062470, title = {{I}nvasion genetics of a human commensal rodent : the black rat {R}attus rattus in {M}adagascar}, author = {{B}rouat, {C}arine and {T}ollenaere, {C}harlotte and {E}stoup, {A}. and {L}oiseau, {A}. and {S}ommer, {S}. and {S}oanandrasana, {R}. and {R}ahalison, {L}. and {R}ajerison, {M}. and {P}iry, {S}. and {G}oodman, {S}. {M}. and {D}uplantier, {J}ean-{M}arc}, editor = {}, language = {{ENG}}, abstract = {{S}tudies focusing on geographical genetic patterns of commensal species and on human history complement each other and provide proxies to trace common colonization events. {O}n {M}adagascar, the unintentional introduction and spread of the commensal species {R}attus rattus by people may have left a living clue of human colonization patterns and history. {I}n 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. {S}uch data sets were analysed by a combination of methods using population genetics, phylogeography and approximate {B}ayesian computation. {O}ur results indicated two introduction events to {M}adagascar from the same ancestral source of {R}.rattus, one in the extreme north of the island and the other further south. {T}he latter was the source of a large spatial expansion, which may have initially started from an original point located on the southern coast. {T}he inferred timing of introduction eventsseveral centuries agois temporally congruent with the {A}rabian trade network in the {I}ndian {O}cean, which was flourishing from the middle of the first millennium.}, keywords = {approximate {B}ayesian computation ; {D}-loop ; invasive species ; island ; colonization ; microsatellites ; phylogeography ; rodent ; {MADAGASCAR}}, booktitle = {}, journal = {{M}olecular {E}cology}, volume = {23}, numero = {16}, pages = {4153--4167}, ISSN = {0962-1083}, year = {2014}, DOI = {10.1111/mec.12848}, URL = {https://www.documentation.ird.fr/hor/fdi:010062470}, }