Dissecting the mechanisms responsible for the multiple insecticide resistance phenotype in Anopheles gambiae s.s., M form, from Vallée du Kou, Burkina Faso.

Kwiatkowska, R.M., Platt, Naomi, Poupardin, Rodolphe, Irving, Helen, Dabire, Roch K, Mitchell, Sara N., Jones, Christopher ORCID: https://orcid.org/0000-0002-6504-6224, Diabaté, Abdoulaye, Ranson, Hilary ORCID: https://orcid.org/0000-0003-2332-8247 and Wondji, Charles ORCID: https://orcid.org/0000-0003-0791-3673 (2013) 'Dissecting the mechanisms responsible for the multiple insecticide resistance phenotype in Anopheles gambiae s.s., M form, from Vallée du Kou, Burkina Faso.'. Gene, Vol 519, Issue 1, pp. 98-106.

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Abstract

With the exception of target site mutations, insecticide resistance mechanisms in the principle malaria vector Anopheles gambiae, remains largely uncharacterized in Burkina Faso. Here we detected high prevalence of resistance in Vallée du Kou (VK) to pyrethroids, DDT and dieldrin, moderate level for carbamates and full susceptibility to organophosphates. High frequencies of L1014F kdr (75%) and Rdl (87%) mutations were observed showing strong correlation with pyrethroids/DDT and dieldrin resistance. The frequency of ace1(R) mutation was low even in carbamate resistant mosquitoes. Microarray analysis identified genes significantly over-transcribed in VK. These include the cytochrome P450 genes, CYP6P3 and CYP6Z2, previously associated with pyrethroid resistance. Gene Ontology (GO) enrichment analysis suggested that elevated neurotransmitter activity is associated with resistance, with the over-transcription of target site resistance genes such as acetylcholinesterase and the GABA receptor. A rhodopsin receptor gene previously associated with pyrethroid resistance in Culex pipiens pallens was also over-transcribed in VK. This study highlights the complex network of mechanisms conferring multiple resistance in malaria vectors and such information should be taken into account when designing and implementing resistance control strategies.

Item Type:	Article
Uncontrolled Keywords:	Anopheles gambiae; Malaria; Insecticide resistance; Burkina Faso; Microarray
Subjects:	QU Biochemistry > Genetics > QU 500 Genetic phenomena QX Parasitology > Insects. Other Parasites > QX 650 Insect vectors
Faculty: Department:	Biological Sciences > Vector Biology Department
Digital Object Identifer (DOI):	https://doi.org/10.1016/j.gene.2013.01.036
Depositing User:	Samantha Sheldrake
Date Deposited:	02 Apr 2013 09:10
Last Modified:	07 Jun 2022 11:09
URI:	https://archive.lstmed.ac.uk/id/eprint/3364

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