@article{fdi:010046209,
  title = {{M}olecular population genetics and phylogeography of the {C}hagas disease vector {T}riatoma infestans in {S}outh {A}merica},
  author = {{P}iccinali, {R}. {V}. and {M}arcet, {P}. {L}. and {N}oireau, {F}ran{\c{c}}ois and {K}itron, {U}. and {G}urtler, {R}. {E}. and {D}otson, {E}. {M}.},
  editor = {},
  language = {{ENG}},
  abstract = {{K}nowledge of the genetic variability, population structure, and evolutionary history of {T}riatoma infestans may be useful for developing rational vector control strategies. {A} 661-bp fragment of the mitochondrial gene cytochrome oxidase 1 ({COI}) was sequenced and analyzed in bugs from {A}rgentina, {U}ruguay, {P}eru, and {B}olivia, including peridomestic, domestic, {A}ndean, and {C}haco sylvatic bugs. {A} total of 48 polymorphic sites among 37 haplotypes were described. {N}ucleotide variation fluctuated among samples, with the highest nucleotide diversity observed in seven {A}rgentinean provinces. {W}ithin this group, some populations showed patterns of variability compatible with population expansions and/or fine-scale population structure, whereas others suggested population bottlenecks and/or population admixture processes. {A} maximum parsimony analysis of the haplotypes showed the presence of a {B}olivian/{P}eruvian and an {A}rgentinean/{U}ruguayan clade. {B}olivian sequences were further divided in {C}haco sylvatic and {A}ndean domestic and sylvatic. {T}wo different nested clades were found within the {A}rgentinean/{U}ruguayan cluster. {A}nalysis of molecular variance ({AMOVA}) and {K}-{S}({T})* analysis supported a strong population structure in {A}rgentina, where genetic differentiation was correlated with geographic distance. {D}epartures from neutrality expectations and a nested cladistic analysis suggest a recent population expansion of {T}. infestans in {A}rgentina, followed by restricted gene flow and patterns of isolation by distance. {T}his expansion could have taken place as a two-wave process, as was shown by the phylogenetic analysis and signatures of population admixture in the southernmost {A}rgentinean populations.},
  keywords = {{T}riatoma infestans ; cytochrome oxidase 1 ; population structure ; population expansion ; population admixture},
  booktitle = {},
  journal = {{J}ournal of {M}edical {E}ntomology},
  volume = {46},
  numero = {4},
  pages = {796--809},
  ISSN = {0022-2585},
  year = {2009},
  URL = {https://www.documentation.ird.fr/hor/fdi:010046209},
}