نتایج جستجو برای: bednet anopheles stephensi
تعداد نتایج: 7584 فیلتر نتایج به سال:
background: malaria is still a health problem in iran. there are several vector control activities, including indoor residual spraying, using insecticide treated nets and larviciding including temephos. in addition nuisance mosquitos are prevalent in the urban areas. so that evaluation of this species to larvicide will provide a clue for management of vector control activities. methods : two mo...
BACKGROUND & OBJECTIVES Due to ever growing insecticide resistance in mosquitoes to commonly used insecticides in many parts of the globe, there is always a need for introduction of new insecticides for the control of resistant vector mosquitoes. In this study, larvicidal and adulticidal efficacies of three neonicotinoids (imidacloprid, thiacloprid and thiamethoxam) were tested against resistan...
The present study explored the phylogenetic utility of mt-ND5 gene sequences for mosquitoes in genus Anopheles. Phylogenetic tree employing the Maximum Parsimony methods in PAUP strongly supported the traditional taxonomy of genus. Subgenus Anopheles represented by a single species i.e. Anopheles nigerrimus initially separated out from the rest with a strong bootstrap value of 100. Subgenus Cel...
We have functionally analyzed the orthologous SRPN6 genes from Anopheles stephensi and Anopheles gambiae using phylogenetic, molecular, reverse genetic, and cell biological tools. The results strongly implicate SRPN6 in the innate immune response against Plasmodium. This gene belongs to a mosquito-specific gene cluster including three additional Anopheles serpins. SRPN6 expression is induced by...
We describe a simple method for detection of Plasmodium vivax and Plasmodium falciparum infection in anophelines using a triplex TaqMan real-time polymerase chain reaction (PCR) assay (18S rRNA). We tested the assay on Anopheles darlingi and Anopheles stephensi colony mosquitoes fed with Plasmodium-infected blood meals and in duplicate on field collected An. darlingi. We compared the real-time ...
BACKGROUND Antimalarial drugs may impact mosquito's defense against Plasmodium parasites. Our previous study showed nitroquine significantly reduced infection of Anopheles stephensi by Plasmodium yoelii, but the underlying mechanism remains unclear. In order to understand how transmission capacity of An. stephensi was affected by nitroquine, we explored the transcriptome of adult females after ...
BACKGROUND Malaria still remains a public health problem in Iran. There are different vector control interventions such as insecticide spraying. The present study was carried out to determine the susceptibility status of Anopheles stephensi larvae to temephos as a national plan for monitoring and mapping of insecticide resistance. METHODS Eight different localities in two main malarious provi...
Blood feeding in Anopheles stephensi initiates a cascade of events that modulate several physiological functions in the mosquito. The midgut epithelium activates several of its molecules, most important among these being microRNAs, which regulate some of the physiological changes by targeting diverse mRNAs. The present study was conducted to identify and evaluate interactions between targets of...
Most delta-endotoxins produced by Bacillus thuringiensis require proteolytic processing in order to become active. The in vitro and in vivo activation processes of Cry39A, a delta-endotoxin that is highly toxic to Anopheles stephensi, were investigated. Cry39A with a molecular mass of 72 kDa was processed in vitro into a 60 kDa fragment by trypsin and gut extract from A. stephensi larvae. N-ter...
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