Publications
| Title | Abstract | Year(sorted ascending) Filter | PMID Filter |
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| odorant receptors from culex quinquefasciatus and aedes aegypti sensitive to floral compounds. | mosquitoes rely heavily on the olfactory system to find a host for a bloodmeal, plants for a source of energy and suitable sites for oviposition. here, we examined a cluster of eight odorant receptors (ors), which includes one or, cquior1, previously identified to be sensitive to plant-derived compounds. we cloned 5 ors from culex quinquefasciatus and two ors from aedes aegypti, ie, cquior2, cquior4, cquior5, cquior84, cquior85, aaegor14, and aaegor15 and then deorphanized these receptors using ... | 2019 | 31442487 |
| first report on the transmission of zika virus by aedes (stegomyia) aegypti (l.) (diptera: culicidae) during the 2018 zika outbreak in india. | in a recent outbreak of zika virus (zikv) infection in jaipur city (rajasthan, india), a total of 159 cases were reported in september 2018. in order to identify vector responsible for zika transmission, mosquitoes were collected from houses with reported zika cases and nearby houses. a total of 108 pools containing 522 mosquitoes were tested for presence of zikv using rt-pcr and real time rt-pcr. we detected presence of zikv in three pools of aedes (stegomyia) aegypti (l.), out of a total of 79 ... | 2019 | 31442386 |
| new county records of aedes aegypti and aedes epactius in colorado. | in august and september 2017, we conducted mosquito surveillance in southeastern colorado by using ovitraps and larval sampling. the aim was to determine if there were established populations of aedes aegypti and ae. albopictus in the region. a single female ae. aegypti was reared from eggs collected in la junta, co, but ae. albopictus was not detected. three other species were reared from eggs and/or larvae: ae. epactius, culex restuans, and cx. pipiens. aedes aegypti and ae. epactius were dete ... | 2019 | 31442179 |
| dirofilaria and wolbachia in mosquitoes (diptera: culicidae) in central european russia and on the black sea coast. | dirofilariasis is endemic in russia, as well as in many other european countries. the aim of this study was to assess the ability of mosquitoes to transfer dirofilaria immitis and dirofilaria repens in regions with temperate and subtropical climates. the possible impact of the symbiotic bacterium wolbachia on dirofilaria transmission was also investigated. 5333 female mosquitoes were collected at 11 points in central european russia and on the black sea coast during the period 2013-2017. out of ... | 2019 | 30644356 |
| lemongrass and cinnamon bark: plant essential oil blend as a spatial repellent for mosquitoes in a field setting. | plant essential oils (eos) have been considered as spatial repellents to help disrupt the pathogen transmission cycle of mosquitoes. our objective was to assess spatial repellency effects of eos on the tropical yellow fever mosquito, aedes aegypti (l.) (diptera: culicidae) and on local mosquito populations in coastal british columbia (canada). in laboratory experiments using protocols of the world health organization, three of the solitary eos tested proved repellent to ae. aegypti: cinnamon bar ... | 2019 | 31143941 |
| haemagogus leucocelaenus and haemagogus janthinomys are the primary vectors in the major yellow fever outbreak in brazil, 2016-2018. | the yellow fever virus (yfv) caused a severe outbreak in brazil in 2016-2018 that rapidly spread across the atlantic forest in its most populated region without viral circulation for almost 80 years. a comprehensive entomological survey combining analysis of distribution, abundance and yfv natural infection in mosquitoes captured before and during the outbreak was conducted in 44 municipalities of five brazilian states. in total, 17,662 mosquitoes of 89 species were collected. before evidence of ... | 2019 | 30866775 |
| bioefficacy of two nonpyrethroid insecticides for targeted indoor residual spraying against pyrethroid-resistant aedes aegypti. | we evaluated the efficacy of bendiocarb (ficam w® 80%) and pirimiphos-methyl (actellic 300cs® 28.16%), applied to different surfaces potentially sprayable within houses during the application of a targeted indoor residual spraying (tirs) against a field pyrethroid-resistant strain of aedes aegypti. bioassays with cones were performed on cement (walls), wood (doors), and textile (cloth) surfaces within typical houses in the mexican city of merida (n = 10). optimal residual efficacy (>80% of mean ... | 2019 | 31922939 |
| discriminating lethal concentrations for transfluthrin, a volatile pyrethroid compound for mosquito control in thailand. | pyrethroids are commonly used to control malaria and dengue vectors in thailand. the lack of specific lethal discriminating concentrations (dcs) for specific mosquito species has possibly compromised more accurate assessments of physiological susceptibility to various chemicals over time. previous studies have established dcs of various residual pyrethroids against specific mosquitoes in thailand. however, dcs for transfluthrin (tft), a highly volatile pyrethroid compound, against mosquito vecto ... | 2019 | 31922934 |
| geographical distribution of aedes aegypti aegypti and aedes aegypti formosus (diptera: culicidae) in kenya and environmental factors related to their relative abundance. | the mosquito aedes aegypti (l.) is the primary vector of various infectious viruses and is typified by a polymorphic color and abundance of white scales on the body. it has been conventionally separated into two subspecies, ae. aeg. formosus (walker) (aaf) and ae. aeg. aegypti (l.) (aaa), with aaf considered a 'sylvan' form and aaa a 'domestic' form. because the two subspecies show different susceptibilities to dengue viruses it is important to understand their distribution. in this study, we co ... | 2019 | 31815285 |
| vgsc-interacting proteins are genetically associated with pyrethroid resistance in aedes aegypti. | association mapping of factors that condition pyrethroid resistance in aedes aegypti has consistently identified genes in multiple functional groups. toward better understanding of the mechanisms involved, we examined high throughput sequencing data (hts) from two aedes aegypti aegypti collections from merida, yucatan, mexico treated with either permethrin or deltamethrin. exome capture enrichment for coding regions and the aaegl5 annotation were used to identify genes statistically associated w ... | 2019 | 30695054 |
| susceptibility profile of aedes aegypti l. (diptera: culicidae) from montclair, california, to commonly used pesticides, with note on resistance to pyriproxyfen. | the peridomestic anthropophilic aedes aegypti l. (diptera: culicidae) is originated from the wild zoophilic subspecies aedes aegypti formosus in sub-saharan africa, and currently has a broad distribution in human-modified environments of the tropics and subtropics worldwide. in california, breeding populations were initially detected in 2013 in the cities of fresno, madera, and san mateo, and now can be found in 188 cities of 12 counties in the state. recent genetic studies suggest that this spe ... | 2019 | 30810751 |
| hold your breath - differential behavioral and sensory acuity of mosquitoes to acetone and carbon dioxide. | host seeking in the yellow fever mosquito, aedes aegypti, and the african malaria mosquito, anopheles coluzzii, relies on specific and generic host-derived odorants. previous analyses indicate that the behavioral response of these species depends differentially on the presence of carbon dioxide (co2) and other constituents in human breath for activation and attraction. in this study, we use a flight tube assay and electrophysiological analysis to assess the role of acetone, a major component of ... | 2019 | 31887129 |
| odorant ligands for the co2 receptor in two anopheles vectors of malaria. | exhaled co2 is an important host-seeking cue for anopheles mosquitoes, which is detected by a highly conserved heteromeric receptor consisting of three 7-transmembrane proteins gr22, gr23, and gr24. the co2 receptor neuron has been shown to also respond sensitively to a variety of odorants in aedes aegypti. the detection of co2 is important for upwind navigation and for enhancing the attraction to body heat as well as to skin odorants. the orthologs of the co2 receptor proteins are present in ma ... | 2019 | 30796292 |
| hyalodendrins a and b, new decalin-type tetramic acid larvicides from the endophytic fungus hyalodendriella sp. ponipodef12. | two new decalin/tetramic acid hybrid metabolites, hyalodendrins a (1) and b (2) were isolated from plant endophytic fungus hyalodendriella sp. ponipodef12. the structures of the new compounds were elucidated by analysis of the spectroscopic data, including nmr, hrms and ecd, and by chemical conversion. compounds 1 and 2 were phomasetin analogues, and both showed potent larvicidal activity against the fourth-instar larvae of aedes aegypti with the median lethal dose (lc50) values of 10.31 and 5.9 ... | 2019 | 31892246 |
| co-occurrence of kdr mutations v1016i and f1534c and its association with phenotypic resistance to pyrethroids in aedes aegypti (diptera: culicidae) populations from costa rica. | aedes aegypti (linnaeus, 1762) is considered the most important mosquito vector species for several arboviruses (e.g., dengue, chikungunya, zika) in costa rica. the primary strategy for the control and prevention of aedes-borne diseases relies on insecticide-based vector control. however, the emergence of insecticide resistance in the mosquito populations presents a significant threat to these prevention actions. the characterization of the mechanisms driving the insecticide resistance in ae. ae ... | 2019 | 31891404 |
| risk of dengue in central africa: vector competence studies with aedes aegypti and aedes albopictus (diptera: culicidae) populations and dengue 2 virus. | dengue is the most important mosquito-borne diseases worldwide but was considered scarce in west-central africa. during the last decade, dengue outbreaks have increasingly been reported in urban foci in this region suggesting major epidemiological changes. however, in central africa where both vectors, aedes aegypti and aedes albopictus are well established, the role of each species in dengue transmission remains poorly investigated. | 2019 | 31887138 |
| diverse sensitivities of trpa1 from different mosquito species to thermal and chemical stimuli. | temperature and odors profoundly affect the behavior of animals. transient receptor potential channel, subfamily a, member 1 (trpa1) functions as a polymodal nociceptor for sensing both vital environmental cues in insects. mosquitoes are recognized as disease vectors, and many efforts have been devoted to investigations of their host-seeking behaviors and repellents. however, the physiological characteristics of mosquito trpa1 have not been systematically studied. we identified multiple alternat ... | 2019 | 31882848 |
| spatial risk distribution of dengue based on the ecological niche model of aedes aegypti (diptera: culicidae) in the central mexican highlands. | dengue is the most important viral disease transmitted by mosquitoes, predominantly aedes (stegomyia) aegypti (l.) (diptera:culicidae). forty percent of the world's population is at risk of contracting the disease, and a large area of mexico presents suitable environmental conditions for the life cycle of ae. aegypti. in particular, the central mexican highlands have a high population density, increasing the risk of transmission and propagation of dengue. in the present study, the potential dist ... | 2019 | 31880769 |
| effect of d-allethrin aerosol and coil to the mortality of mosquitoes. | commercial insecticides were widely used by communities to control the mosquito population in their houses. d-allethrin is one of insecticide ingredients widely distributed in two different concentrations namely 0.15% of aerosol and 0.3% of coil formulations. we aimed to understand the mortality of indoor mosquitoes after being exposed to d-allethrin 0.15% (aerosol) and 0.3% (coil) formulations. | 2019 | 31879666 |
| clustering of zika viruses originating from different geographical regions using computational sequence descriptors. | in this report we consider a data set, which consists of 310 zika virus genome sequences taken from different continents, africa, asia and south america. the sequences, which were compiled from genbank, were derived from the host cells of different mammalian species (simiiformes, aedes opok, aedes africanus, aedes luteocephalus, aedes dalzieli, aedes aegypti, and homo sapiens). for chemometrical treatment the sequences have been represented by sequence descriptors derived from their graphs or ne ... | 2019 | 31878862 |
| age- and sex-related abc transporter expression in pyrethroid-susceptible and -resistant aedes aegypti. | resistance mechanisms to synthetic insecticides often include point mutations and increased expression of genes encoding detoxification enzymes. since pyrethroids are the main adulticides used against aedes aegypti, which vectors pathogens such as zika virus, understanding resistance to this insecticide class is of significant relevance. we focused on adenosine triphosphate (atp)-binding cassette (abc) transporters in the pyrethroid-resistant puerto rico (pr) strain of ae. aegypti. we investigat ... | 2019 | 31862982 |
| leptolegnia chapmanii como alternativa biológica para el control de aedes aegypti | leptolegnia chapmanii is a facultative pathogen of many species of mosquitoes, among which species of the genus aedes, culex and anopheles stand out for their medical and sanitary importance. the potential of l. chapmanii as an alternative to control lies in its virulence, pathogenicity and specificity against the larval stages of mosquitoes, and because of its harmlessness to non-target species such as fish and amphibians, among others. the natural presence of l. chapmanii had been reported in ... | 2019 | 31860189 |
| the first characterization of a cystatin and a cathepsin l-like peptidase from aedes aegypti and their possible role in denv infection by the modulation of apoptosis. | recently, a salivary gland transcriptome study demonstrated that the transcripts of a putative cystatin gene (seqid aael013287; aacystatins) from aedes aegypti were increased in denv2-infected mosquitoes and that silencing of the aacystatin gene resulted in an increase in denv titres. in this work, aacystatin was biochemically characterized; the purified recombinant inhibitor was able to inhibit typical cysteine proteases with a ki in the nm range. pulldown assays using aag2 cell extracts identi ... | 2019 | 31857170 |
| insecticide resistance in culex quinquefasciatus say, 1823 in brazil: a review. | culex quinquefasciatus is a successful invasive species broadly distributed in subtropical regions, including brazil. it is an extremely annoying mosquito due to its nocturnal biting behavior, in high-density populations and it is a potential bridge between sylvatic arbovirus from birds to man in urban territories. herein, we present a review concerning the methods of chemical control employed against cx. quinquefasciatus in brazil since the 1950's and insecticide resistance data registered in t ... | 2019 | 31852489 |
| deducing the role of virus genome-derived piwi-associated rnas in the mosquito-arbovirus arms race. | the p-element-induced wimpy testis (piwi)-associated rna (pirna) pathway is known for its role in the protection of genome integrity in the germline of drosophila melanogaster by silencing transposable elements. the pirnas that target transposons originate from pirna clusters in transposon-rich regions of the drosophila genome and are processed by three piwi family proteins. in aedes aegypti and aedes albopictus mosquitoes, which are two of the most important vectors of arthropod-borne viruses ( ... | 2019 | 31850054 |
| mechanisms of transport of h+, na+ and k+, across the distal gastric caecum of larval aedes aegypti. | measured changes in ion fluxes, transepithelial potential (tep) and basolateral membrane potential (vb) in response to ion transporter inhibitors were used to assess the mechanisms of transport of h+, na+ and k+, across the distal gastric caecum of larval aedes aegypti, a vector of yellow fever. preparations were stimulated with 5-hydroxytryptamine (5-ht, 10-6 m) in order to maintain stable rates of h+, na+, and k+ transport across the distal caecum. transepithelial potential (tep), basolateral ... | 2019 | 31846613 |
| effect of wolbachia walbb on a positive-sense rna negev-like virus: a novel virus persistently infecting aedes albopictus mosquitoes and cells. | the aedes aegypti mosquito is the primary vector of several medically important arboviruses. the endosymbiotic bacterium, wolbachia pipientis, has emerged as a means of blocking transmission of arboviruses such as dengue and zika viruses. one wolbachia strain that has shown potential in field trials is walbb, a naturally occurring wolbachia strain of the asian tiger mosquito aedes albopictus. when transinfected into ae. aegypti, walbb exhibits strong virus inhibition. in addition to modulating a ... | 2019 | 31846415 |
| antidengue potential of leaf extracts of pavetta tomentosa and tarenna asiatica (rubiaceae) against dengue virus and its vector aedes aegypti (diptera: culicidae). | the aim of the present study was to screen the anti-dengue potential of crude leaf extracts of two plants from pavetta tomentosa and tarenna asiatica. for larvicidal assay, the acetone extract of both plants showed maximum effects, with the least lc50 and lc90 values (p. tomentosa (5.968 and 7.493 μg/ml) and t. asiatica (1.288 and 1.992 μg/ml)) and the same extract of both plants exhibited better pupicidal potency. the adulticidal activity of both plants (0-60 min interval periods) recorded best ... | 2019 | 31844692 |
| author correction: cartography of odor chemicals in the dengue vector mosquito (aedes aegypti l., diptera/culicidae). | an amendment to this paper has been published and can be accessed via a link at the top of the paper. | 2019 | 31844083 |
| nano-emulsification enhances the larvicidal potential of the essential oil of siparuna guianensis (laurales: siparunaceae) against aedes (stegomyia) aegypti (diptera: culicidae). | siparuna guianensis (laurales: siparunaceae) has a terpene-rich essential oil with great potential for larvicides. the poor water miscibility of their compounds makes nano-emulsions of great interest for novel bioactive systems, including for control of aedes aegypti (diptera: culicidae). this species is adapted to urban environments with important role in the epidemiology of some arboviruses such as dengue, chikungunya fever, zika, and urban yellow fever. the aim of the present study was to eva ... | 2019 | 31840745 |
| could land cover influence aedes aegypti mosquito populations? | aedes aegypti is mainly found in urban environments, where human activity guarantees the permanent availability of potential larval habitats. the present study aimed to test for a possible association between ae. aegypti infestation and land cover classes. from 23 february to 22 may 2015, immature mosquitoes (except eggs) were sampled in artificial containers identified in dwellings in córdoba city, argentina. the proportion of each land cover class was determined by spot-5 (satellites pour 1'ob ... | 2019 | 31840284 |
| associations between household environmental factors and immature mosquito abundance in quetzaltenango, guatemala. | aedes aegypti-borne diseases are becoming major public health problems in tropical and sub-tropical regions. while socioeconomic status has been associated with larval mosquito abundance, the drivers or possible factors mediating this association, such as environmental factors, are yet to be identified. we examined possible associations between proximity to houses and roads and immature mosquito abundance, and assessed whether these factors and mosquito prevention measures mediated any associati ... | 2019 | 31870343 |
| compatibility between leptolegnia chapmanii and diflubenzuron and neem oil for the control of aedes aegypti. | leptolegnia chapmanii is pathogenic to mosquito larvae. the compatibility between l. chapmanii and two insect growth regulators (igr), diflubenzuron and neem oil, was evaluated. l. chapmanii was grown on culture media containing different concentrations of each igr. the mycelial growth was significantly reduced with the highest concentrations of igr (f6,98=268, p<0.05). however, the production of zoospores (f6,56=0.93, p>0.05) and the larval mortality of aedes aegypti (f6,56=0.95, p>0.05) were n ... | 2019 | 31866096 |
| a non-conformational qsar study for plant-derived larvicides against zika aedes aegypti l. vector. | a set of 263 plant-derived compounds with larvicidal activity against aedes aegypti l. (diptera: culicidae) vector is collected from the literature, and is studied by means of a non-conformational quantitative structure-activity relationships (qsar) approach. the balanced subsets method (bsm) is employed to split the complete dataset into training, validation and test sets. from 26,775 freely available molecular descriptors, the most relevant structural features of compounds affecting the bioact ... | 2019 | 31865579 |
| nix is a male-determining factor in the asian tiger mosquito aedes albopictus. | the initial signal that governs sex determination is highly variable among insects. a homolog of nix, the male-determining factor in aedes aegypti, was previously found in the asian tiger mosquito ae. albopictus. here we show that the ae. albopictus nix (aalnix) is more complex in gene structure and splice isoforms than its ae. aegypti homolog (aaenix). aalnix shows a similar transcription profile compared to aaenix. crispr/cas9-mediated knockouts of aalnix in vivo and in the ae. albopictus c6/3 ... | 2019 | 31901476 |
| development of aedes aegypti (diptera: culicidae) mosquito larvae in high ammonia sewage in septic tanks causes alterations in ammonia excretion, ammonia transporter expression, and osmoregulation. | larvae of the disease vector mosquito, aedes aegypti (l.) readily develop in ammonia rich sewage in the british virgin islands. to understand how the larvae survive in ammonia levels that are lethal to most animals, an examination of ammonia excretory physiology in larvae collected from septic-water and freshwater was carried out. a. aegypti larvae were found to be remarkably plastic in dealing with high external ammonia through the modulation of nh4+ excretion at the anal papillae, measured usi ... | 2019 | 31836747 |
| genome sequences of chikungunya virus isolates from an outbreak in southwest bangkok in 2018. | an outbreak of chikungunya virus (chikv) infection occurred in southwest bangkok during the 2018 rainy season. the envelope glycoprotein e1 gene sequence of the infecting strain belonged to an east/central/south african lineage with alanine at residue 226. mutations in the predicted e1 (k211e) and e2 (v264a) proteins of chikv were identified in chikv-infected patients and in an aedes aegypti mosquito. analysis of the complete genome sequences showed marked differences from the strains causing pr ... | 2019 | 31834526 |
| distribution of insecticide resistance and mechanisms involved in the arbovirus vector aedes aegypti in laos and implication for vector control. | the yellow fever mosquito aedes aegypti is the major vector of dengue, yellow fever, zika, and chikungunya viruses. worldwide vector control is largely based on insecticide treatments but, unfortunately, vector control programs are facing operational challenges due to mosquitoes becoming resistant to commonly used insecticides. in southeast asia, resistance of ae. aegypti to chemical insecticides has been documented in several countries but no data regarding insecticide resistance has been repor ... | 2019 | 31830027 |
| effects of larval diets and temperature regimes on life history traits, energy reserves and temperature tolerance of male aedes aegypti (diptera: culicidae): optimizing rearing techniques for the sterile insect programmes. | producing high quality sterile males is vital in aedes aegypti rear-and-release birth control strategies. larval diets, rearing temperatures, and their interactions determine the accumulation rates of essential nutrients in larvae, but these factors have been understudied in relation to mass-rearing techniques for producing eminent males. | 2019 | 31823817 |
| social capital is associated with lower mosquito vector indices: secondary analysis from a cluster randomised controlled trial of community mobilisation for dengue prevention in mexico. | control of the aedes aegypti mosquito is central to reducing the risk of dengue, zika, chikungunya, and yellow fever. randomised controlled trials, including the camino verde trial in mexico and nicaragua, demonstrate the convincing impact of community mobilisation interventions on vector indices. these interventions might work through building social capital but little is known about the relationship between social capital and vector indices. | 2019 | 31823786 |
| zika virus: a possible emerging threat for bangladesh! | zika virus, a member of flaviviridae is the etiology of zika or zika fever or zika virus (zikv) disease characterized by mild symptoms similar to very mild form of dengue or chikungunya. the virus transmits through aedes mosquitoes, particularly by aedes aegypti. the most dangerous effect of zikv infection is the ability of the virus to cause microcephaly and congenital malformation to the newborn baby if the mother is infected. the neurological disorders including guillain-barré syndrome might ... | 2019 | 31819889 |
| successive blood meals enhance virus dissemination within mosquitoes and increase transmission potential. | the recent zika virus (zikv) and chikungunya virus epidemics highlight the explosive nature of arthropod-borne viruses (arboviruses) transmitted by aedes spp. mosquitoes1,2. vector competence and the extrinsic incubation period (eip) are two key entomological parameters used to assess the public health risk posed by arboviruses3. these are typically measured empirically by offering mosquitoes an infectious blood meal and temporally sampling mosquitoes to determine the infection and transmission ... | 2019 | 31819213 |
| natural infection of aedes aegypti by chikungunya and dengue type 2 virus in a transition area of north-northeast brazil. | dengue fever, chikungunya, and zika are diseases caused by viruses transmitted by aedes aegypti and aedes albopictus. in brazil, the number of human infections is high, but few studies are performed in mosquito vectors. this study aimed to investigate the presence of zika, dengue and chikungunya viruses in ae. aegypti and ae. albopictus from the municipalities of alto alegre, caxias, codó, and são mateus do maranhão, located in the state of maranhão, northeast brazil. the mosquitoes were collect ... | 2019 | 31817553 |
| dengue virus reduces agpat1 expression to alter phospholipids and enhance infection in aedes aegypti. | more than half of the world population is at risk of dengue virus (denv) infection because of the global distribution of its mosquito vectors. denv is an envelope virus that relies on host lipid membranes for its life-cycle. here, we characterized how denv hijacks the mosquito lipidome to identify targets for novel transmission-blocking interventions. to describe metabolic changes throughout the mosquito denv cycle, we deployed a liquid chromatography-high resolution mass spectrometry (lc-hrms) ... | 2019 | 31815960 |
| genetic diversity of laboratory strains and implications for research: the case of aedes aegypti. | the yellow fever mosquito (aedes aegypti), is the primary vector of dengue, zika, and chikungunya fever, among other arboviral diseases. it is also a popular laboratory model in vector biology due to its ease of rearing and manipulation in the lab. established laboratory strains have been used worldwide in thousands of studies for decades. laboratory evolution of reference strains and contamination among strains are potential severe problems that could dramatically change experimental outcomes a ... | 2019 | 31815934 |
| glopid-r report on chikungunya, o'nyong-nyong and mayaro virus, part 5: entomological aspects. | the glopid-r (global research collaboration for infectious disease preparedness) chikungunya (chikv), o'nyong-nyong (onnv) and mayaro virus (mayv) working group has been established to investigate natural history, epidemiology and clinical aspects of infection by these viruses. here, we present a report dedicated to entomological aspects of chikv, onnv and mayv. recent global expansion of chikungunya virus has been possible because chikv established a transmission cycle in urban settings using a ... | 2019 | 31812638 |
| cryo-electron microscopy reveals that sperm modification coincides with female fertility in the mosquito aedes aegypti. | manipulating mosquito reproduction is a promising approach to reducing mosquito populations and the burden of diseases they carry. a thorough understanding of reproductive processes is necessary to develop such strategies, but little is known about how sperm are processed and prepared for fertilization within female mosquitoes. by employing cryo-electron microscopy for the first time to study sperm of the mosquito aedes aegypti, we reveal that sperm shed their entire outer coat, the glycocalyx, ... | 2019 | 31811199 |
| assessment of aedes aegypti (diptera: culicidae) males flight ability for sit application: effect of device design, duration of test, and male age. | the sterile insect technique (sit) is a pest control method where large numbers of sterile males are released to induce sterility in wild populations. since a successful sit application depends on the released sterile males being competitive with wild males, standard quality control tests are a necessary component of any sit program. flight ability (ability to fly out from a device) is a reliable indicator of insect quality. based on previous studies, we developed four new tubular devices constr ... | 2019 | 31808821 |
| malaria and dengue mosquito vectors from lao pdr show a lack of the rdl mutant allele responsible for cyclodiene insecticide resistance. | the gamma-aminobutyric acid (gaba) receptor, rdl, plays important roles in neuronal signaling and is the target of highly effective insecticides. a mutation in rdl, commonly a296s, underlies resistance to several insecticides such as cyclodienes. even though the use of cyclodienes has been banned, the occurrence of mutations substituting a296 is notably high in mosquitoes from several countries. here, we report a survey investigating the prevalence of the rdl mutant allele in mosquitoes from lao ... | 2019 | 31807752 |
| the consequences of brugia malayi infection on the flight and energy resources of aedes aegypti mosquitoes. | evidence from experimental infection studies has shown that infected mosquitoes exhibit altered host-seeking behaviours, with suppression and activation of behaviours dependent on the parasite's development stage. the mechanisms are poorly characterised; however, infections can impact mosquito energy reserves, thereby influencing key life-history traits and behaviours. in addition, filarial infection is likely detrimental to flight due to damage caused by developing worms. this study aimed to ev ... | 2019 | 31804546 |
| finding the sweet spot: what levels of larval mortality lead to compensation or overcompensation in adult production? | extrinsic mortality impinging on negatively density-dependent populations can result in no change in the number of survivors (compensation) or an increase (overcompensation) by releasing the population from density-dependent effects on survivorship. the relationship between the level of extrinsic mortality (i.e., percentage of mortality) and the level and likelihood of overcompensation is theoretically important, but rarely investigated. we tested the hypothesis that overcompensation occurs belo ... | 2019 | 31803516 |
| diterpenes and their derivatives as promising agents against dengue virus and dengue vectors: a literature-based review. | dengue, a mosquito-borne viral disease, causes about 100 million cases of infection annually. it is a major public concern, and if left untreated or improperly diagnosed, may cause serious health problems or even death. historically, dengue has not considered priorities for pharmaceutical companies made the available treatment options. therefore, medicinal scientists are revealing new insights and enabling novel interventions and approaches to dengue prevention and control. diterpenes, a class o ... | 2019 | 31802573 |
| [river boats as a means of expansion of aedes aegypti towards border zones of the peruvian amazon]. | to assess the entomological risk of aedes aegypti in boats traversing border river routes in loreto. | 2019 | 31800930 |
| investigating male aedes aegypti (diptera: culicidae) attraction to different oviposition containers using various configurations of the sound gravid aedes trap. | aedes aegypti (linnaeus), the primary vectors of the arboviruses dengue virus and zika virus, continue to expand their global distributions. in efforts to better control such species, several mosquito control programs are investigating the efficacy of rearing and releasing millions of altered male aedes throughout landscapes to reduce populations and disease transmission risk. unfortunately, little is known about ae. aegypti, especially male, dispersal behaviors within urban habitats. we deploye ... | 2019 | 31799614 |
| drug repurposing of bromodomain inhibitors as potential novel therapeutic leads for lymphatic filariasis guided by multispecies transcriptomics. | to better understand the transcriptomic interplay of organisms associated with lymphatic filariasis, we conducted multispecies transcriptome sequencing (rna-seq) on the filarial nematode brugia malayi, its wolbachia endosymbiont wbm, and its laboratory vector aedes aegypti across the entire b. malayi life cycle. in wbm, transcription of the noncoding 6s rna suggests that it may be a regulator of bacterial cell growth, as its transcript levels correlate with bacterial replication rates. for a. ae ... | 2019 | 31796568 |
| cdte-gsh as luminescent biomarker for labeling the larvicidal action of wsmol lectin in aedes aegypti larvae. | mosquito-borne arboviruses compromise human health worldwide. due to resistance to chemical insecticides, natural compounds have been studied to combat mosquitoes. previous works have demonstrated a larvicidal activity of the water-soluble moringa oleifera lectin (wsmol) against aedes aegypti, suggesting a mechanism of action based on the interaction between lectin and chitin present in the larvae's peritrophic matrix. in this work, it was investigated the wsmol activity against aedes aegypti la ... | 2019 | 31796242 |
| intra-host growth kinetics of dengue virus in the mosquito aedes aegypti. | dengue virus (denv) transmission by mosquitoes is a time-dependent process that begins with the consumption of an infectious blood-meal. denv infection then proceeds stepwise through the mosquito from the midgut to the carcass, and ultimately to the salivary glands, where it is secreted into saliva and then transmitted anew on a subsequent bite. we examined viral kinetics in tissues of the aedes aegypti mosquito over a finely graded time course, and as per previous studies, found that initial vi ... | 2019 | 31790509 |
| crispr/cas9-mediated gene deletion of the ompa gene in symbiotic cedecea neteri impairs biofilm formation and reduces gut colonization of aedes aegypti mosquitoes. | symbiotic bacteria are pervasive in mosquitoes and their presence can influence many host phenotypes that affect vectoral capacity. while it is evident that environmental and host genetic factors contribute in shaping the microbiome of mosquitoes, we have a poor understanding regarding how bacterial genetics affects colonization of the mosquito gut. the crispr/cas9 gene editing system is a powerful tool to alter bacterial genomes facilitating investigations into host-microbe interactions but has ... | 2019 | 31790395 |
| reversal of resistance to the larvicide temephos in an aedes aegypti (diptera: culicidae) laboratory strain from cuba. | the objective of this investigation was to know whether the organophosphate temephos resistance developed in larvae from a laboratory strain of aedes aegypti (linnaeus, 1762) from cuba could be reversed. the resistant laboratory strain of ae. aegypti, named san-f6, was left without temephos selection pressure for 12 generations. the level of temephos resistance was determined using who bioassays and mechanisms of metabolic resistance were determined based on enzyme activity levels detected by bi ... | 2019 | 31788689 |
| the expanding pattern of aedes aegypti in southern yunnan, china: insights from microsatellite and mitochondrial dna markers. | aedes aegypti, the vector of dengue fever, was first reported in yunnan in 2002. now, this species is found in nine counties in border areas of south-west yunnan. related dengue fever outbreaks have been reported since 2013. the population genetics of ae. aegypti in these areas were studied to explain the expansion history of this species. | 2019 | 31775906 |
| the enemy of my enemy: multiple interacting selection pressures lead to unexpected anti-predator responses. | despite being a major selective force, predation can induce puzzling variability in anti-predator responses-from lack of predator aversion to lifelong predator-induced fear. this variability is hypothesised to result from variation in the trade-offs associated with avoiding predators. but critical information on fitness outcomes of these trade-offs associated with anti-predator behaviours is lacking. we tested this trade-off hypothesis in aedes aegypti, by examining oviposition site selection de ... | 2019 | 31773313 |
| corrigendum: supersensitive odorant receptor underscores pleiotropic roles of indoles in mosquito ecology. | [this corrects the article doi: 10.3389/fncel.2018.00533.]. | 2019 | 31762737 |
| semi-field assessment of spinosad in combination with altosid briquet and dudim dt tablets against aedes aegypti mosquito larvae reared in pond water. | this study aims at evaluating the larvicidal efficacy of slow-release formulations of bacterial insecticide spinosad blended with two insect growth regulators (igrs), altosid xr-briquets and dudim dt tablets against mosquito larvae of aedes aegypti. this insect is the cause of dengue arthropod-borne viral disease. treatment based on vector control using chemicals poses risks to human and environment, while the strategy based on the use of natural products poses lower risks. the results of the pr ... | 2019 | 31762652 |
| establishment of wolbachia strain walbb in malaysian populations of aedes aegypti for dengue control. | dengue has enormous health impacts globally. a novel approach to decrease dengue incidence involves the introduction of wolbachia endosymbionts that block dengue virus transmission into populations of the primary vector mosquito, aedes aegypti. the wmel wolbachia strain has previously been trialed in open releases of ae. aegypti; however, the walbb strain has been shown to maintain higher density than wmel at high larval rearing temperatures. releases of ae. aegypti mosquitoes carrying walbb wer ... | 2019 | 31761702 |
| co2 per se activates carbon dioxide receptors. | carbon dioxide has been used in traps for more than six decades to monitor mosquito populations and help make informed vector management decisions. co2 is sensed by gustatory receptors (grs) housed in neurons in the maxillary palps. co2-sensitive grs have been identified from the vinegar fly and mosquitoes, but it remains to be resolved whether these receptors respond to co2 or bicarbonate. as opposed to the vinegar fly, mosquitoes have three gr subunits, but it is assumed that subunits gr1 and ... | 2019 | 31760135 |
| host blood-meal source has a strong impact on gut microbiota of aedes aegypti. | gut microbial communities of mosquitoes can influence vector susceptibility to pathogens, yet the factors that govern their composition remain poorly understood. we investigated the impact of host blood-meal source on gut microbiota of aedes aegypti l. adult mosquitoes were fed on human, rabbit or chicken blood and their gut microbiota compared to those of sugar-fed and newly emerged adults. microbial diversity was significantly reduced in blood-fed and sugar-fed mosquitoes but was restored to t ... | 2019 | 30357406 |
| inhibition of sodium-hydrogen antiport by antibodies to nha1 in brush border membrane vesicles from whole aedes aegypti larvae. | the present research report describes na+/h+ antiport by brush border membrane vesicles isolated from whole larvae of aedes aegypti (aebbmvw). our hypothesis is that acid quenching of acridine orange by aebbmvw is predominantly mediated by na+/h+ antiport via the nha1 component of the aebbmvw in the absence of amino acids and atp. aenha1 is a na+/h+ antiporter that has been postulated to exchange na+ and h+ across the apical plasma membrane in posterior midgut of a. aegypti larvae. its principal ... | 2019 | 30392010 |
| the combinatory effect of cyt1aa flexibility and specificity against dipteran larvae improves the toxicity of bacillus thuringensis kurstaki toxins. | cyt1a98 is a novel cytolytic protein, from bupm98 bacillus thuringiensis strain, characterized by its synergistic activity with b. thuringiensis kurstaki toxins against lepidopteran larvae. in this study, we evidenced that cyt1a98 improves the toxicity of b. thuringiensis kurstaki toxins against aedes aegypti larvae. in fact, the strain bns3phtcyt1a98 exhibited a larvicidal activity of about 849-fold of that of bns3phtblue against a. aegypti. the molecular and biochemical characterizations, of c ... | 2019 | 30391590 |
| isolation and growth inhibition potential of entomopathogenic nematodes against three public health important mosquito vectors. | the prevalence of mosquito vector borne diseases and the resistance of mosquitoes to conventional pesticides have been of important public concern to the mosquito endemic countries. present study was conducted to identify the native bio-larvicidal potential of the entomopathogenic nematodes; steinernema siamkayai (kpr-4) heterohabditis indica (kpr-8), steinernema glaseri and steinernema abbasi. the isolated nematodes were subsequently cultured and evaluated their larvicidal potential against the ... | 2019 | 30414843 |
| preparation and use of a yeast shrna delivery system for gene silencing in mosquito larvae. | the mosquito genome projects facilitated research in new facets of mosquito biology, including functional genetic studies in the dengue and zika virus vector aedes aegypti and the primary african malaria vector anopheles gambiae. rna interference (rnai) has facilitated gene silencing experiments in both of these disease vector mosquito species and could one day be applied as a new method of vector control. here, we describe a procedure for the genetic engineering of saccharomyces cerevisiae (bak ... | 2019 | 30414120 |
| autocidal gravid ovitrap incorporation with attractants for control of gravid and host-seeking aedes aegypti (diptera: culicidae). | aedes aegypti linnaeus (diptera: culicidae) is a primary vector of multiple arboviruses including zika, dengue, chikungunya, and yellow fever. after incorporating bg lure or bg lure + octenol, the cdc's autocidal gravid ovitrap (ago) was more effective at collecting and controlling host-seeking female ae. aegypti than gravid female mosquitoes. the addition of octenol to the ago did not increase the number of female mosquitoes captured by the ago, compared with the ago alone. the ago baited with ... | 2019 | 30462293 |
| monitoring insecticide resistance profiles of aedes aegypti (diptera: culicidae) in the sunda islands of indonesia based on diagnostic doses of larvicides. | this study was conducted to monitor the susceptibility status of aedes aegypti (linnaeus) larvae in the sunda islands of indonesia against various organophosphates and organochlorines. larval bioassay was performed in accordance with the world health organization standard protocol. field-collected and reference strains of ae. aegypti larvae were tested against diagnostic doses of eight larvicides belonging to organophosphates and organochlorines, namely bromophos (0.050 mg/liter), chlopyrifos (0 ... | 2019 | 30462258 |
| past, present and future of aedes aegypti in its south american southern distribution fringe: what do temperature and population tell us? | aedes aegypti (diptera: culicidae) (linnaeus) is currently the major threat among arbovirus vectors in the americas. we examined its past, present, and future distribution patterns in the south american fringe in association with environmental and demographic variables at two spatial scales. we updated the database of the occurrence of ae. aegypti per locality and modelled by glmm the past occurrence (until 2000) and its expansion (2001-2017) as a function of air temperature, precipitation, alti ... | 2019 | 30458122 |
| water channel activity of putative aquaporin-6 present in aedes aegypti. | aquaporins (aqps) are integral membrane channels that facilitate the bidirectional transport of water and sometimes other small solutes across biological membranes. aqps are important in mediating environmental adaptations in mosquitoes and are considered as a novel target for the development of effective insecticides against mosquitoes. here, we expressed aedes aegypti aqp6 ( aaaqp6) in human embryonic kidney (hek) 293 cells and analyzed the water permeability by a conventional swelling assay, ... | 2019 | 30456765 |
| bioassay and molecular study for detection of insecticide resistance dengue causing mosquito vectors. | nowadays, dengue infection creates a major problem across the country. the vector species carrying dengue infection has progressively started to developed resistance against most of the currently used insecticides. hence, a study was carried out in dengue-endemic areas of assam and arunachal pradesh to find the current situation of insecticide susceptibility status of dengue vectors. based on the previous history of dengue incidence, aedes mosquitoes were collected from dibrugarh, kamrup, sivasa ... | 2019 | 30429402 |
| saccharomyces cerevisiae (baker's yeast) as an interfering rna expression and delivery system. | the broad application of rna interference for disease prevention is dependent upon the production of dsrna in an economically feasible, scalable, and sustainable fashion, as well as the identification of safe and effective methods for rna delivery. current research has sparked interest in the use of saccharomyces cerevisiae for these applications. this review examines the potential for commercial development of yeast interfering rna expression and delivery systems. s. cerevisiae is a genetic mod ... | 2019 | 30474529 |
| ecotoxicity response of chlorpyrifos in aedes aegypti larvae and lactuca sativa seeds after uv/h2o2 and uvc oxidation. | chlorpyrifos (cp) is an organophosphate pesticide widely used in agriculture known to cause neurological and immunological effects in addition to interfering in the reproduction and development of organisms. in this study, cp degradation by uv/h2o2 process and uvc radiation was investigated, and the ecotoxicity and phytotoxicity was evaluated using bioassays of aedes aegypti larvae and lactuca sativa seeds. cp degradation was monitored by hplc-dad, and kinetic parameters were calculated for all ... | 2019 | 30471582 |
| coinfection of chikungunya and dengue viruses: a serological study from north western region of punjab, india. | dengue and chikungunya (chik) infections appear to be increasing in all parts of india. aedes aegypti mosquitoes are common vectors for dengue virus (denv) and chik virus (chikv). in areas where both viruses cocirculate, they can be transmitted together. there are very few studies discussing the dengue-chik coinfection from punjab region of india. the present study was undertaken to study the clinical features of dengue-chik coinfection and compare with monoinfection. | 2019 | 30498319 |
| volatile composition and biological activities of the leaf essential oil from zanthoxylum limoncello grown in oaxaca, méxico. | zanthoxylum limoncello is a native plant from southern mexico which is used as a timber source, condiment and as a traditional medicine. herein, we report on the volatile content of the leaf essential oil and its biological activities. the annual essential oils (2015-2018) contained volatile organic compounds which exhibited a moderate growth inhibitory activity against h. pylori atcc 53504 (mic 121.4-139.7 μg ml-1 ), 26695 (mic 85.5-94.9 μg ml-1 ) and j99 (mic 94.7-110.4 μg ml-1 ). these hydrod ... | 2019 | 30512233 |
| differential suppression of persistent insect specific viruses in trans-infected wmel and wmelpop-cla aedes-derived mosquito lines. | wolbachia suppresses the replication of +ssrna viruses such as dengue and zika viruses in aedes aegypti mosquitoes. however, the range of viruses affected by this endosymbiont is yet to be explored. recently, novel insect-specific viruses (isvs) have been described from numerous mosquito species and mosquito-derived cell lines. cell-fusing agent virus (flaviviridae) and phasi charoen-like virus (bunyaviridae) persistently infect the ae. aegypti cell line aag2 which has been used for experimental ... | 2019 | 30503908 |
| [new altitudinal registration of aedes aegypti in the region of piura, peru]. | 2019 | 30517515 | |
| co-occurrence of v1016i and f1534c mutations in the voltage-gated sodium channel and resistance to pyrethroids in aedes aegypti (l.) from the colombian caribbean region. | knockdown resistance is conferred primarily by non-synonymous mutations that reduce pyrethroids binding to voltage-gated sodium channels. in 2014, kdr mutation v1016i in aedes aegypti populations resistant to pyrethroids was reported for the first time in colombiα, in 2016 another kdr mutation, f1534c, and in 2018 the mutation v419l. nine populations of a. aegypti, previously characterized as being resistant to λ-cyhalothrin, deltamethrin, cyfluthrin and permethrin, were used for this study. gen ... | 2019 | 30520256 |
| a gut commensal bacterium promotes mosquito permissiveness to arboviruses. | mosquitoes are hematophagous vectors that can acquire human viruses in their intestinal tract. here, we define a mosquito gut commensal bacterium that promotes permissiveness to arboviruses. antibiotic depletion of gut bacteria impaired arboviral infection of a lab-adapted aedes aegypti mosquito strain. reconstitution of individual cultivable gut bacteria in antibiotic-treated mosquitoes identified serratia marcescens as a commensal bacterium critical for efficient arboviral acquisition. s. marc ... | 2019 | 30595552 |
| a simple model to predict the potential abundance of aedes aegypti mosquitoes one month in advance. | the mosquito aedes (stegomyia) aegypti (l.) is the primary vector of dengue, chikungunya, and zika viruses in the united states. surveillance for adult ae. aegypti is limited, hindering understanding of the mosquito's seasonal patterns and predictions of areas at elevated risk for autochthonous virus transmission. we developed a simple, intuitive empirical model that uses readily available temperature and humidity variables to predict environmental suitability for low, medium, or high potential ... | 2019 | 30594264 |
| seroprevalence of zika virus among asymptomatic pregnant mothers and their newborns in the najran region of southwest saudi arabia. | zika virus (zikv) is a teratogenic flavivirus that can cause microcephaly. its main vector, aedes aegypti, has been previ.ously identified in saudi arabia, but no zikv infection has yet been reported. nevertheless, the country is at risk from zikv because it receives many travelers throughout the year, including pilgrims from zikv-endemic countries. | 2019 | 30531174 |
| mechanisms of pyrethroid resistance in aedes (stegomyia) aegypti from colombia. | in colombia aedes (stegomyia) aegypti is the main vector of urban arboviruses such as dengue, chikungunya and zika. this urban mosquito has a well-established capacity to develop insecticide resistance to different types of insecticides (pyrethroids, organochlorides, organophosphates), using multiple resistance mechanisms. an understanding of ongoing resistance mechanisms is critical to determining the activities of vector control programs. in order to identify the biochemical and molecular mech ... | 2019 | 30552882 |
| proteins, transcripts, and genetic architecture of seminal fluid and sperm in the mosquito aedes aegypti. | the yellow fever mosquito, aedes aegypti,, transmits several viruses causative of serious diseases, including dengue, zika, and chikungunya. some proposed efforts to control this vector involve manipulating reproduction to suppress wild populations or to replace them with disease-resistant mosquitoes. the design of such strategies requires an intimate knowledge of reproductive processes, yet our basic understanding of reproductive genetics in this vector remains largely incomplete. to accelerate ... | 2019 | 30552291 |
| the tudor protein veneno assembles the ping-pong amplification complex that produces viral pirnas in aedes mosquitoes. | piwi-interacting rnas (pirnas) comprise a class of small rnas best known for suppressing transposable elements in germline tissues. the vector mosquito aedes aegypti encodes seven piwi genes, four of which are somatically expressed. this somatic pirna pathway generates pirnas from viral rna during infection with cytoplasmic rna viruses through ping-pong amplification by the piwi proteins ago3 and piwi5. yet, additional insights into the molecular mechanisms mediating non-canonical pirna producti ... | 2019 | 30566680 |
| container size alters the outcome of interspecific competition between aedes aegypti (diptera: culicidae) and aedes albopictus. | aedes aegypti l. and aedes albopictus skuse co-occur in a variety of water-filled containers where they compete for resources. larvae of ae. albopictus skuse often outcompete those of ae. aegypti l., but variation in biotic and abiotic parameters can modify the outcome of this interspecific competition. we tested whether container size can alter the magnitude and direction of intra- and interspecific competition by rearing three ae. aegypti and ae. albopictus larval combinations (100:0, 50:50 an ... | 2019 | 30566608 |
| bioactivity of wild carrot (daucus carota, apiaceae) essential oil against mosquito larvae. | invasive alien plants wreak havoc on native ecosystems and using them as a source of biopesticides could improve their management. we examined the toxicity of essential oil of wild carrot (also known as 'queen anne's lace', daucus carota linnaeus), an aggressive invader throughout the united states, against aedes aegypti l., culex pipiens l., and culex restuans theobald larvae. comparisons were made between essential oil extracted from umbels of local populations of wild carrot versus a commerci ... | 2019 | 30566578 |
| distinctive regulatory properties of pyruvate kinase 1 from aedes aegypti mosquitoes. | female aedes aegypti mosquitoes are vectors of arboviruses that cause diseases of public health significance. the discovery of new metabolic targets is crucial for improving mosquito control strategies. we recently demonstrated that glucose oxidation supports ammonia detoxification in a. aegypti. pyruvate kinase (pk, ec 2.7.1.40) catalyzes the last step of the glycolytic pathway. in most organisms, one or more allosteric effectors control pk activity. however, the kinetic properties and structur ... | 2019 | 30578824 |
| production of tetravalent dengue virus envelope protein domain iii based antigens in lettuce chloroplasts and immunologic analysis for future oral vaccine development. | dengue fever is a mosquito (aedes aegypti) -transmitted viral disease that is endemic in more than 125 countries around the world. there are four serotypes of the dengue virus (denv 1-4) and a safe and effective dengue vaccine must provide protection against all four serotypes. to date, the first vaccine, dengvaxia (cyd-tdv), is available after many decades' efforts, but only has moderate efficacy. more effective and affordable vaccines are hence required. plants offer promising vaccine producti ... | 2019 | 30578710 |
| density-dependent enhanced replication of a densovirus in wolbachia-infected aedes cells is associated with production of pirnas and higher virus-derived sirnas. | the endosymbiotic bacterium wolbachia pipientis has been shown to restrict a range of rna viruses in drosophila melanogaster and transinfected dengue mosquito, aedes aegypti. here, we show that wolbachia infection enhances replication of aedes albopictus densovirus (aaldnv-1), a single stranded dna virus, in aedes cell lines in a density-dependent manner. analysis of previously produced small rnas of aag2 cells showed that wolbachia-infected cells produced greater absolute abundance of virus-der ... | 2019 | 30583288 |
| the aedes aegypti imd pathway is a critical component of the mosquito antifungal immune response. | successful infection of the insect body by entomopathogenic fungi is the result of complex molecular interactions between the host and the invading pathogenic fungi. the mosquito antifungal response is multifaceted and is regulated in part by the toll and jak-stat pathways. here, we assessed the role of the imd pathway in the mosquito ae. aegypti antifungal immune response when challenged with one of two entomopathogenic fungi, beauveria bassiana and isaria javanica. imd pathway components of th ... | 2019 | 30582948 |
| green synthesis of silver-nanoparticles from annona reticulata leaves aqueous extract and its mosquito larvicidal and anti-microbial activity on human pathogens. | silver nanoparticles play a important role in controlling mosquito population as well as multi drug resistant pathogens without causing much harm to humans. in the present study was focused on green synthesis of silver nanoparticles against dengue causing vector (aedes aegypti) and pathogens affecting humans. the synthesized silver nanoparticle was confirmed using uv- absorption spectrum range obtained at 416 nm, xrd, ftir and hr-tem analysis were used to determine the silver nanoparticle morpho ... | 2019 | 30581768 |
| adaptation of aedes aegypti to salinity: characterized by larger anal papillae in larvae. | 2019 | 30618451 | |
| epidemic potential of zika virus in australia: implications for blood transfusion safety. | zika virus (zikv) is transfusion-transmissible. in australia the primary vector, aedes aegypti, is established in the north-east, such that local transmission is possible following importation of an index case, which has the potential to impact on blood transfusion safety and public health. we estimated the basic reproduction number (r 0 ) to model the epidemic potential of zikv in australian locations, compared this with the ecologically similar dengue viruses (denv), and examined possible impl ... | 2019 | 30618208 |
| larvicidal and pupicidal activities of eco-friendly phenolic lipid products from anacardium occidentale nutshell against arbovirus vectors. | aedes aegypti and culex quinquefasciatus are vectors of diseases that constitute public health problems. the discovery of products capable of inhibiting their development which are less harmful to the environment would have a huge impact on vector control. here, natural cashew nut shell liquid (cnsl), technical cnsl, anacardic acid, cardanol, and cardol were isolated from anacardium occidentale and evaluated for larvicidal and pupicidal activity against ae. aegypti and cx. quinquefasciatus under ... | 2019 | 30610586 |
| assessment of combined tools and strategies for aedes aegypti control with low environmental impact. | the control of the mosquito vector aedes aegypti l. (diptera: culicidae) is the main action against dengue, chikungunya, and zika. the excessive use of conventional insecticides has promoted the development of other control methods and strategies with lower environmental impact. we evaluated the effectiveness of applying triflumuron 1 ppm and emptying water-filled containers in a field trial in temperate argentina. both control methods were implemented either individually or combined and regular ... | 2019 | 30607607 |
| alternative strategies for mosquito-borne arbovirus control. | mosquito-borne viruses-such as zika, chikungunya, dengue fever, and yellow fever, among others-are of global importance. although vaccine development for prevention of mosquito-borne arbovirus infections has been a focus, mitigation strategies continue to rely on vector control. however, vector control has failed to prevent recent epidemics and arrest expanding geographic distribution of key arboviruses, such as dengue. as a consequence, there has been increasing necessity to further optimize cu ... | 2019 | 30605475 |