نتایج جستجو برای: an stephensi
تعداد نتایج: 5684131 فیلتر نتایج به سال:
Mass rearing of anopheles stephensi on human blood by artificial feeding under laboratory conditions
Introduction: In order to control the diseases that are transmitted to human and animal by arthropod vectors, it is necessary to investigate vectors and to recognize control methods as well. These studies are applicable by rearing the colonies of arthropod blood-feeders like malaria and leishmaniasis in laboratory. The purpose of this study was to produce mass production of Anopheles stephens...
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...
The endosymbiont Wolbachia wAlbB induces refractoriness to Plasmodium falciparum in Anopheles stephensi, the primary mosquito vector of human malaria in the Middle East and South Asia. However, it remains unknown whether such refractoriness can be extended to other malaria species. In particular, it was reported that under very specific conditions, wAlbB can enhance Plasmodium infection in some...
James R. Duncan, MD, PhD, Stephen Balter, PhD, Gary J. Becker, MD, Jeffrey Brady, MD, MPH, James A. Brink, MD, Dorothy Bulas, MD, Mythreyi B. Chatfield, PhD, Simon Choi, PhD, MPH, Bairbre L. Connolly, MB, Robert G. Dixon, MD, Joel E. Gray, PhD, Stephen T. Kee, MD, Donald L. Miller, MD, Donald W. Robinson, LTC, MD, Mark J. Sands, MD, David A. Schauer, DSc, Joseph R. Steele, MD, Mandie Street, RT...
Wolbachia is a maternally transmitted symbiotic bacterium of insects that has been proposed as a potential agent for the control of insect-transmitted diseases. One of the major limitations preventing the development of Wolbachia for malaria control has been the inability to establish inherited infections of Wolbachia in anopheline mosquitoes. Here, we report the establishment of a stable Wolba...
Staphylococcus hominis is a culturable component of the bacterial microbiome of Anopheles stephensi. Here, we present the annotated draft genome sequences of three S. hominis isolates from A. stephensi. These genomic resources will facilitate experiments to further our understanding of the role of bacteria in mosquito biology.
b a ckground: we aimed to extract the ingredients from leaves of gossypium hirsutum (bt cotton) using different solvents and evaluate for potential use to control different larval stages of mosquito species, aedes aegypti and anoph eles stephensi . m e t hods: qualitative and quantitative estimation of ingredients from go. hirsutum (bt) plant extract was carried out and their inhibitory action ...
Strains of Serratia marcescens, originally isolated from the gut lumen of adult female Anopheles stephensi mosquitoes, established persistent infection at high rates in adult A. stephensi whether fed to larvae or in the sugar meal to adults. By contrast, the congener S. fonticola originating from Aedes triseriatus had lower infection in A. stephensi, suggesting co-adaptation of Serratia strains...
Methanolic extracts of leaves and seeds from the chinaberry tree, Melia azedarach L. (Meliaceae) was tested against mature and immature mosquito vector Anopheles stephensi Liston (Diptera) under laboratory condition. The extract showed strong larvicidal, pupicidal, adulticidal, antiovipositional activity, repellency and biting deterency. The M. azedarach seed and leaf extracts were used to dete...
The cytochrome P450 monooxygenase (P450) enzyme system is a major mechanism of xenobiotic biotransformation. The nicotinamide adenine dinucleotide phosphate (NADPH)-cytochrome P450 reductase (CPR) is required for transfer of electrons from NADPH to P450. One CPR gene was identified in the genome of the malaria-transmitting mosquito Anopheles stephensi Liston (Diptera: Culicidae). The gene encod...
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