@article{fdi:010079711, title = {{G}enetic evidence for the origin of {A}edes aegypti, the yellow fever mosquito, in the southwestern {I}ndian {O}cean}, author = {{S}oghigian, {J}. and {G}loria-{S}oria, {A}. and {R}obert, {V}incent and {L}e {G}off, {G}ilbert and {F}ailloux, {A}. {B}. and {P}owell, {J}. {R}.}, editor = {}, language = {{ENG}}, abstract = {{A}edes aegyptiis among the best-studied mosquitoes due to its critical role as a vector of human pathogens and ease of laboratory rearing. {U}ntil now, this species was thought to have originated in continental {A}frica, and subsequently colonized much of the world following the establishment of global trade routes. {H}owever, populations of this mosquito on the islands in the southwestern {I}ndian {O}cean ({SWIO}), where the species occurs with its nearest relatives referred to as the {A}egypti {G}roup, have received little study. {W}e re-evaluated the evolutionary history of {A}e. aegypti and these relatives, using three data sets: nucleotide sequence data, 18,489 {SNP}s and 12 microsatellites. {W}e found that: (a) the {A}egypti {G}roup diverged 16 {MYA} (95% {HPD}: 7-28 {MYA}) from its nearest {A}frican/{A}sian ancestor; (b) {SWIO} populations of{A}e. aegyptiare basal to continental {A}frican populations; (c) after diverging 7 {MYA} (95% {HPD}: 4-15 {MYA}) from its nearest formally described relative ({A}e. mascarensis), {A}e. aegypti moved to continental {A}frica less than 85,000 years ago, where it recently (<1,000 years ago) split into two recognized subspecies {A}e. aegypti formosus and a human commensal, {A}e. aegypti aegypti; (d) the {M}adagascar samples form a clade more distant from all other {A}e. aegypti than the named species {A}e. mascarensis, implying that {M}adagascar may harbour a new cryptic species; and (e) there is evidence of introgression between {A}e. mascarensis and {A}e. aegyption {R}eunion, and between the two subspecies elsewhere in the {SWIO}, a likely consequence of recent introductions of domestic {A}e. aegypti aegypti from {A}sia.}, keywords = {insects ; invasive species ; population genetics-empirical ; systematics ; {OCEAN} {INDIEN} ; {MAYOTTE} ; {MADAGASCAR} ; {REUNION} ; {MAURICE} ; {AFRIQUE} ; {ASIE} ; {MONDE} ; {EUROPA}}, booktitle = {}, journal = {{M}olecular {E}cology}, volume = {29}, numero = {19}, pages = {3593--3606}, ISSN = {0962-1083}, year = {2020}, DOI = {10.1111/mec.15590}, URL = {https://www.documentation.ird.fr/hor/fdi:010079711}, }