pyrethroid resistance
A cohort study of the effectiveness of insecticide treated bed nets to prevent malaria in an area of moderate pyrethroid resistance, Malawi
... ITNs prevent malaria through several modes of action: the insecticide deters mosquitoes from entering houses, irritates the mosquitoes that encounter the insecticide, causing them to leave the area prematurely, and kills ...
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The cytochrome P450 CYP6P4 is responsible for the high pyrethroid resistance in knockdown resistance free Anopheles arabiensis
... I pyrethroid) and DDT (an organochlorine), only moderately resistant to a Type II pyrethroid deltamethrin (90% mortality rate), but susceptible to bendiocarb (a carbamate), malathion (an organophosphate) ...
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Pyrethroid resistance in the major malaria vector Anopheles arabiensis in Nouakchott, Mauritania
... populations in Nouakchott were fully susceptible to bendiocarb and malathion in 2015 as well as in 2016, while they were resistant to permethrin (51.9% mortality in 2015 and 24.1% mortality in 2016) and to deltamethrin ...
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Multiple mutations in the para sodium channel gene are associated with pyrethroid resistance in Rhipicephalus microplus from the United States and Mexico
... cide resistance in Mexico threatens the success of the eradication program, especially when it occurs in states that border the ...with pyrethroid acaricides, how- ever, resistance to multiple ...
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DDT and pyrethroid resistance in Anopheles arabiensis from South Africa
... the pyrethroid-selected strain (this study) Both MBN-DDT and KWAG-perm originate from Mamfene ...insecticide resistance phenotypes present at the time of ...(KWAG-perm, pyrethroid resistance ...
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Investigating the genetic basis of pyrethroid resistance in two members of the Anopheles gambiae complex
... to resistance, although resistance via elevated transcript levels is more common (Li et ...in pyrethroid resistance, cyp6p3 and cyp6m2, were identical or near identical in sequence to those in ...
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Implications of insecticide resistance for malaria vector control with long lasting insecticidal nets: trends in pyrethroid resistance during a WHO coordinated multicountry prospective study
... Insecticide resistance (using the WHO definition of mortality < 90%) was detected in clusters in all countries across the study ...(lowest resistance frequency) was consistently reported from India, in ...
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Pyriproxyfen is metabolized by P450s associated with pyrethroid resistance in An. gambiae.
... Emergence inhibition dose response curves for the insecticide susceptible Kisumu 681. strain (continuous line) and insecticide resistant Tiassalé strain (dotted line)[r] ...
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Pyrethroid Resistance in an Anopheles funestus Population from Uganda
... We amplified and sequenced a 994 bp fragment of the voltage- gated sodium channel (VGSC) gene. A total of nineteen Tororo An. funestus specimens were sequenced (5 DDT resistant mosqui- toes, 8 permethrin resistant and 6 ...
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Pyrethroid Resistance in Malaysian Populations of Dengue Vector Aedes aegypti Is Mediated by CYP9 Family of Cytochrome P450 Genes
... Genes commonly up-regulated in the three locations. To detect the genes associated with insecticide resistance across Malaysian Ae. aegypti, priority was given to the genes com- monly up-regulated in the three ...
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A combination of metabolic resistance and high frequency of the 1014F kdr mutation is driving pyrethroid resistance in Anopheles coluzzii population from Guinea savanna of Cameroon
... knockdown resistance mutation; LLIN: long-lasting insecticidal net; LT: lethal time; MEGA: Molecular Evolutionary Genetics Analysis; PBO: piperonyl butoxide; PCR: polymerase chain reaction; ...
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Identifying genomic changes associated with insecticide resistance in the dengue mosquito Aedes aegyptiby deep targeted sequencing
... to pyrethroid resistance in the dengue vector, ...and pyrethroid- resistant populations from three geographical regions (Asia, South America, and laboratory ...for resistance to the ...
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Increasing insecticide resistance in Anopheles funestus and Anopheles arabiensis in Malawi, 2011–2015
... Bioassays of An. funestus against deltamethrin and per- methrin following pre-exposure to PBO indicated higher mortalities in all sites where direct comparisons against bioassays without PBO pre-exposure were done. PBO ...
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First report of V1016G and S989P knockdown resistant (kdr) mutations in pyrethroid resistant Sri Lankan Aedes aegypti mosquitoes
... Lanka, pyrethroid insecticides are most extensively utilized as adulticides by both government authorities and the private sector ...Knockdown resistance (kdr) is one of the major pyrethroid ...
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Insecticide treated nets provide protection against malaria to children in an area of insecticide resistance in Southern Benin
... to pyrethroid resistance are not conclusive nor gen- ...to resistance could also be due to a concurrent introduc- tion of artemether/lumefantrine for malaria treatment ...of pyrethroid IRS ...
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Current and Future Prospects for Preventing Malaria Transmission via the Use of Insecticides
... high pyrethroid resistance phenotypes which cannot be attributed to other known resistance mechanisms ...insecticide resistance in malaria ...
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Knockdown resistance mutations predict DDT resistance and pyrethroid tolerance in the visceral leishmaniasis vector Phlebotomus argentipes
... insecticide resistance by reducing linked genetic diversity in neighbouring genomic regions of the para gene, which may interfere with other selection processes at nearby beneficial mutations [42]; for example in ...
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Insecticide Treated Net and Protection against Insecticide Resistant Malaria Vectors in Western Kenya
... insecticide resistance is a ris- ing concern in sub-Saharan Africa ...that pyrethroid resistance in local malaria vectors had on malaria parasite infection incidence in areas of varying levels of ...
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Status of insecticide resistance in malaria vectors in Kwale County, Coastal Kenya
... phenotypic resistance to permethrin and deltamethrin was ...high resistance to pyrethroids while Anopheles gambiae sensu stricto ...low resistance and susceptibility, ...of pyrethroid ...
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Cis regulatory CYP6P9b P450 variants associated with loss of insecticide treated bed net efficacy against Anopheles funestus
... metabolic resistance to insecticides in malaria vectors is crucial to prolonging the effectiveness of insecticide-based control tools including long lasting insecticidal nets ...with pyrethroid ...
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