Distribution of pyrethroid and DDT resistance and the L1014F kdr mutation in Anopheles gambiae s.l. from Burkina Faso (West Africa)

Dabiré K.R., Diabaté Abdoulaye, Namountougou Moussa, Toé K.H., Ouari Ali, Kengne Pierre, Bass Chris, Baldet Thierry. 2009. Distribution of pyrethroid and DDT resistance and the L1014F kdr mutation in Anopheles gambiae s.l. from Burkina Faso (West Africa). Transactions of the Royal Society of Tropical Medicine and Hygiene, 103 (11) : pp. 1113-1120.

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Abstract : This study reports on the distribution of pyrethroid and DDT resistance and the L1014F knockdown resistance (kdr) mutation in Anopheles gambiae s.l. populations from 21 localities in three different climatic zones of Burkina Faso from August to October 2006. The susceptibility of these populations was assessed by bioassay using DDT (4%), permethrin (1%) and deltamethrin (0.05%). Anopheles gambiae were resistant to both permethrin and DDT in the Sudanian regions but were susceptible in the central and sahelian areas and susceptible to deltamethrin at all sites except Orodara, although mortality values in some populations were close to the resistance threshold. The kdr frequency varied from 0.4 to 0.97 in populations from the Sudanian region and was lower in populations from the Sudano-sahelian and sahelian areas (0.047 to 0.54). Compared to the last survey of kdr in An. gambiae populations conducted in 2000, the kdr frequency did not differ in the S form but had increased in the M form (0.6), with an extended distribution into the Sudano-sahelian region. The frequency of kdr was also found to have increased in An. arabiensis populations (0.28), where it was formerly reported in only a single specimen. These results have practical significance for malaria vector control programs. (Résumé d'auteur)

Mots-clés Agrovoc : Anopheles gambiae, Pyréthrine, DDT

Mots-clés géographiques Agrovoc : Burkina Faso

Classification Agris : L72 - Pests of animals
L73 - Animal diseases

Champ stratégique Cirad : Axe 4 (2005-2013) - Santé animale et maladies émergentes

Auteurs et affiliations

  • Dabiré K.R., IRSS (BFA)
  • Diabaté Abdoulaye, Institut de Recherche en Sciences de la Santé (BFA)
  • Namountougou Moussa, IRSS (BFA)
  • Toé K.H., IRSS (BFA)
  • Ouari Ali, IRSS (BFA)
  • Kengne Pierre, IRD (FRA)
  • Bass Chris, Rothamsted Experiment Station (GBR)
  • Baldet Thierry, CIRAD-BIOS-UMR CMAEE (BEN) ORCID: 0000-0003-2979-9517

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