@article{fdi:010053572, title = {{G}enetic structure of the tiger mosquito, {A}edes albopictus, in {C}ameroon ({C}entral {A}frica)}, author = {{K}amgang, {B}asile and {B}rengues, {C}{\'e}cile and {F}ontenille, {D}idier and {N}jiokou, {F}. and {S}imard, {F}r{\'e}d{\'e}ric and {P}aupy, {C}hristophe}, editor = {}, language = {{ENG}}, abstract = {{B}ackground: {A}edes albopictus ({S}kuse, 1884) ({D}iptera: {C}ulicidae), a mosquito native to {A}sia, has recently invaded all five continents. {I}n {C}entral {A}frica it was first reported in the early 2000s, and has since been implicated in the emergence of arboviruses such as dengue and chikungunya in this region. {R}ecent genetic studies of invasive species have shown that multiple introductions are a key factor for successful expansion in new areas. {A}s a result, phenotypic characters such as vector competence and insecticide susceptibility may vary within invasive pest species, potentially affecting vector efficiency and pest management. {H}ere we assessed the genetic variability and population genetics of {A}e. albopictus isolates in {C}ameroon ({C}entral {A}frica), thereby deducing their likely geographic origin. {M}ethods and {R}esults: {M}osquitoes were sampled in 2007 in 12 localities in southern {C}ameroon and analyzed for polymorphism at six microsatellite loci and in two mitochondrial {DNA} regions ({ND}5 and {COI}). {A}ll the microsatellite markers were successfully amplified and were polymorphic, showing moderate genetic structureamong geographic populations ({F}-{ST} = 0.068, {P}<0.0001). {A}nalysis of mt{DNA} sequences revealed four haplotypes each for the {COI} and {ND}5 genes, with a dominant haplotype shared by all {C}ameroonian samples. {T}he weak genetic variation estimated from the mt{DNA} genes is consistent with the recent arrival of {A}e. albopictus in {C}ameroon. {P}hylogeographic analysis based on {COI} polymorphism indicated that {A}e. albopictus populations from {C}ameroon are related to tropical rather than temperate or subtropical outgroups. {C}onclusion: {T}he moderate genetic diversity observed among {C}ameroonian {A}e. albopictus isolates is in keeping with recent introduction and spread in this country. {T}he genetic structure of natural populations points to multiple introductions from tropical regions.}, keywords = {}, booktitle = {}, journal = {{P}los {O}ne}, volume = {6}, numero = {5}, pages = {e20257}, ISSN = {1932-6203}, year = {2011}, DOI = {10.1371/journal.pone.0020257}, URL = {https://www.documentation.ird.fr/hor/fdi:010053572}, }