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Evidence of multiple pyrethroid resistance mechanisms in the malaria vector Anopheles gambiae sensu stricto from Nigeria

October 25, 2009 - 17:39 -- Bart G.J. Knols
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Author(s): 
T.S. Awolola, O.A. Oduola, C. Strode, L.L. Koekemoer, B. Brooke, H. Ranson
Reference: 
Transactions of the Royal Society of Tropical Medicine and Hygiene, Volume 103, Issue 11, November 2009, Pages 1139-1145, doi:10.1016/j.trstmh.2008.08.021

 Pyrethroid insecticide resistance in Anopheles gambiae sensu stricto is a major concern to malaria vector control programmes. Resistance is mainly due to target-site insensitivity arising from a single point mutation, often referred to as knockdown resistance (kdr). Metabolic-based resistance mechanisms have also been implicated in pyrethroid resistance in East Africa and are currently being investigated in West Africa. Here we report the co-occurrence of both resistance mechanisms in a population of An. gambiae s.s. from Nigeria.

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