Distribution of pyrethroid and DDT resistance and the L1014F kdr mutation in Anopheles gambiae s.l. from Burkina Faso (West Africa)
| Autor: | Chris Bass, K.H. Toé, Moussa Namountougou, Ali Ouari, Pierre Kengne, Abdoulaye Diabaté, K.R. Dabiré, Thierry Baldet |
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| Rok vydání: | 2009 |
| Předmět: |
Insecticides
Veterinary medicine Insecticide resistance Mosquito Control Anopheles gambiae L73 - Maladies des animaux Polymerase Chain Reaction DDT Insecticide Resistance chemistry.chemical_compound Gene Frequency Anopheles Burkina Faso Pyrethrins parasitic diseases medicine Pyrethroids Animals Point mutation Mosquito Nets Pyrethroid biology Ecology Public Health Environmental and Occupational Health Knockdown resistance General Medicine Pesticide medicine.disease biology.organism_classification Survival Analysis Pyréthrine Infectious Diseases Deltamethrin chemistry Mutation Female Parasitology L72 - Organismes nuisibles des animaux Malaria Permethrin medicine.drug |
| Zdroj: | Transactions of the Royal Society of Tropical Medicine and Hygiene |
| ISSN: | 0035-9203 |
| DOI: | 10.1016/j.trstmh.2009.01.008 |
| Popis: | The 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 susceptibitity 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 Suclanian region and was tower 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. |
| Databáze: | OpenAIRE |
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