Publications
| Title | Abstract | Year(sorted descending) Filter | PMID Filter |
|---|
| evidence of vertical transmission of zika virus in field-collected eggs of aedes aegypti in the brazilian amazon. | arboviruses are viruses transmitted to humans and other animals by the bite of hematophagous arthropods. infections caused by chikungunya virus (chikv), dengue virus (denv), zika virus (zikv), and the deadlier yellow fever virus (yfv) are current public health problems in several countries, mainly those located in tropical and subtropical regions. one of the main prevention strategies continues to be vector control, with the elimination of breeding sites and surveillance of infested areas. the u ... | 2018 | 30011278 |
| transmission potential of mayaro virus in florida aedes aegypti and aedes albopictus mosquitoes. | mayaro virus (mayv) is an emerging mosquito-borne arbovirus present in central and south america that causes arthralgia and febrile illness. domestic mosquitoes aedes aegypti (diptera: culicidae) and aedes albopictus are potential vectors of mayv that may allow for transmission to humans in urban settings. the present paper assesses susceptibility to infection, disseminated infection and transmission potential in florida ae. aegypti and ae. albopictus for mayv. oral infection was significantly h ... | 2018 | 30006976 |
| the occurrence, diversity and blood feeding patterns of potential vectors of dengue and yellow fever in kacheliba, west pokot county, kenya. | yellow fever (yf) and dengue (den) viruses are important re-emerging mosquito-borne viruses sharing similar vectors and reservoirs. the last documented yf outbreak in kenya occurred in 1992-95. however, yf virus is re-emerging in bordering countries including uganda, ethiopia and south sudan with the potential for spread to the neighboring regions in kenya. dengue is endemic in kenya with outbreaks being detected in various towns in the north and the coast. this study reports on the aedes (stego ... | 2018 | 30006028 |
| synergy in the adulticidal efficacy of essential oils for the improvement of permethrin toxicity against aedes aegypti l. (diptera: culicidae). | in a previous screening program for mosquitocides from local edible plants in thailand, essential oils (eos) of cyperus rotundus, alpinia galanga and cinnamomum verum, were found to possess promising adulticidal activity against aedes aegypti. with the aim of reducing usage of conventional insecticides and improving the management of resistant mosquito populations, this study was designed to determine the potential synergism in the adulticidal efficacy of eos on permethrin toxicity against ae. a ... | 2018 | 30005688 |
| epidemiological significance of dengue virus genetic variation in mosquito infection dynamics. | the kinetics of arthropod-borne virus (arbovirus) transmission by their vectors have long been recognized as a powerful determinant of arbovirus epidemiology. the time interval between virus acquisition and transmission by the vector, termed extrinsic incubation period (eip), combines with vector mortality rate and vector competence to determine the proportion of infected vectors that eventually become infectious. however, the dynamic nature of this process, and the amount of natural variation i ... | 2018 | 30005085 |
| the c-type lectin domain gene family in aedes aegypti and their role in arbovirus infection. | several medically important flaviviruses that are transmitted by mosquitoes have been shown to bind to the c-type lectin fold that is present in either vertebrate or invertebrate proteins. while in some cases this interaction is part of a neutralizing anti-viral immune response, many reports have implicated this as critical for successful virus entry. despite the establishment of mosquito c-type lectin domain containing proteins (ctldcps) as known host factors in assisting the infectious process ... | 2018 | 30002303 |
| yellow fever in africa and the americas: a historical and epidemiological perspective. | yellow fever was transported during the slave trade in the 15th and 16th centuries from africa to the americas where the virus encountered favorable ecological conditions that allowed creation of a sustainable sylvatic cycle. despite effective vector control and immunization programs for nearly a century, yellow fever epidemics reemerged in many latin american countries, particularly brazil. the emergence or reemergence of vector-borne diseases encompasses many intricate factors. yellow fever ou ... | 2018 | 30158957 |
| local and regional dynamics of chikungunya virus transmission in colombia: the role of mismatched spatial heterogeneity. | mathematical models of transmission dynamics are routinely fitted to epidemiological time series, which must inevitably be aggregated at some spatial scale. weekly case reports of chikungunya have been made available nationally for numerous countries in the western hemisphere since late 2013, and numerous models have made use of this data set for forecasting and inferential purposes. motivated by an abundance of literature suggesting that the transmission of this mosquito-borne pathogen is local ... | 2018 | 30157921 |
| sublethal effects of a vapour-active pyrethroid, transfluthrin, on aedes aegypti and ae. albopictus (diptera: culicidae) fecundity and oviposition behaviour. | it is assumed that mosquitoes surviving exposure to spatial repellents when attempting to bite a host will not have significant adverse impacts on their downstream biology. therefore, a critical knowledge gap is understanding the extent to which sublethal exposure to volatile pyrethroids may damage the performance of mosquitoes that survive exposure to vapour-active pyrethroids. to address this, laboratory-reared aedes aegypti (l.) and ae. albopictus (skuse) were exposed to one of three subletha ... | 2018 | 30157907 |
| zika infection decreases aedes aegypti locomotor activity but does not influence egg production or viability. | zika has emerged as a new public health threat after the explosive epidemic in brazil in 2015. it is an arbovirus transmitted mainly by aedes aegypti mosquitoes. the knowledge of physiological, behavioural and biological features in virus-infected vectors may help the understanding of arbovirus transmission dynamics and elucidate their influence in vector capacity. | 2018 | 30156598 |
| oviposition deterrent efficacy and characteristics of a botanical natural product, ocimum gratissimum (l.) oil-alginate beads, against aedes aegypti (l.). | this study was aimed at investigating the oviposition deterrent activity of ocimum gratissimum (l.) essential oil (o. gratissimum oil) and its product, ocimum gratissimum (l.)- alginate beads (beads), against aedes aegypti (ae. aegypti) mosquitoes. chemical analysis of o. gratissimum oil obtained by hydrodistillation, using gas chromatography-mass spectroscopy techniques, presented eugenol (67.38%) and z-β-ocimene (14.95 %) as major constituents. good characteristics of beads were obtained by th ... | 2018 | 30154681 |
| forced salivation as a method to analyze vector competence of mosquitoes. | vector competence is defined as the potential of a mosquito species to transmit a mosquito-borne virus (mobovirus) to a vertebrate host. viable virus particles are transmitted during a blood meal via the saliva of an infected mosquito. forced salivation assays allow determining the vector potential on the basis of single mosquitoes, avoiding the use of animal experiments. the method is suitable to analyze a large number of mosquitoes in one experiment within a short period of time. forced saliva ... | 2018 | 30148488 |
| qsar modelling of synergists to increase the efficacy of deltamethrin against pyrethroid-resistant aedes aegypti mosquitoes$. | space spraying of deltamethrin allows the control of adult aedes (stegomyia) aegypti mosquitoes. unfortunately, many vector control programs are threatened by the development of resistances that decrease the efficacy of this adulticide. faced with this situation, we can either try to use another insecticide presenting a different mechanism of action or find a strategy that brings back the efficacy of the insecticide at a satisfying level to pursue its use in vector control. restoration of the ef ... | 2018 | 30141356 |
| transcriptomic analysis of aedes aegypti in response to mosquitocidal bacillus thuringiensis llp29 toxin. | globally, aedes aegypti is one of the most dangerous mosquitoes that plays a crucial role as a vector for human diseases, such as yellow fever, dengue, and chikungunya. to identify (1) transcriptomic basis of midgut (2) key genes that are involved in the toxicity process by a comparative transcriptomic analysis between the control and bacillus thuringiensis (bt) toxin (llp29 proteins)-treated groups. next-generation sequencing technology was used to sequence the midgut transcriptome of a. aegypt ... | 2018 | 30140020 |
| optimization of cationic (q)-paper for detection of arboviruses in infected mosquitoes. | previously (glushakova et al. 2017), a cellulose-based cationic (q) paper derivatized with quaternary ammonium groups was shown to be a convenient platform to collect, preserve, and store nucleic acids (nas) derived from mosquito vectors infected with pathogens for surveillance. nas bind electrostatically to q-paper, but the quantity of na bound depends on the paper's binding capacity. to optimize the original technology for mosquito surveillance, factors that affected na absorbance on q-paper w ... | 2018 | 30099053 |
| discovery and high prevalence of phasi charoen-like virus in field-captured aedes aegypti in south china. | arboviruses have caused significant global health concerns during the past decade. in this regard, continuous viral surveillance is essential to timely identify emerging arboviruses and other novel viruses. here, a novel isolate of phasi charoen-like virus (pclv zhanjiang01) was identified from field-captured aedes aegypti mosquitoes in zhanjiang by next generation sequencing. phylogenetic analysis suggested that pclv zhanjiang01 belonged to the genus phasivirus in the family phenuiviridae. the ... | 2018 | 30077072 |
| managing aedes aegypti populations in the first zika transmission zones in the continental united states. | the african zika virus swept across the pacific, reaching the new world in 2014. in july, 2016, miami-dade county, florida became the locus of the first mosquito-borne zika transmission zones in the continental united states. control efforts were guided by the centers for disease control and prevention, including aerial and truck sprays of adulticides and larvicides. to improve our understanding of how best to fight zika transmission in an urban environment in the developed world, trap counts of ... | 2018 | 30075097 |
| genetic characterization of chikungunya viruses isolated during the 2015-2017 outbreaks in different states of india, based on their e1 and e2 genes. | during 2015-2017, chikungunya virus (chikv) showed a resurgence in several parts of india with karnataka, maharashtra and new delhi accounting for a majority of the cases. e2-e1 gene based characterization revealed indian subcontinent sublineage strains possessing aedes aegypti mosquito-adaptive mutations e1: k211e and e2:v264a, with the 211 site positively selected. novel mutational sites e1: k16e/q, e1: k132q/t, e1: s355t, e2: c19r and e2:s185y could be associated with epitopes or virulence de ... | 2018 | 30073419 |
| a low-cost, battery-powered acoustic trap for surveilling male aedes aegypti during rear-and-release operations. | the aedes aegypti mosquito is a primary vector of several serious arboviruses throughout the world and is therefore of great concern to many public health organizations. with vector control methodology pivoting towards rearing and releasing large numbers of genetically modified, sterilized, or wolbachia-infected male mosquitoes to control vector populations, economical surveillance methods for release tracking becomes increasingly necessary. previous work has identified that male ae. aegypti are ... | 2018 | 30071091 |
| rapid evolution and the genomic consequences of selection against interspecific mating. | while few species introduced into a new environment become invasive, those that do provide critical information on ecological mechanisms that determine invasions success and the evolutionary responses that follow invasion. aedes albopictus (the asian tiger mosquito) was introduced into the naturalized range of aedes aegypti (the yellow fever mosquito) in the united states in the mid-1980s, resulting in the displacement of a. aegypti in much of the south-eastern united states. the rapid displacem ... | 2018 | 30069966 |
| small females prefer small males: size assortative mating in aedes aegypti mosquitoes. | with aedes aegypti mosquitoes now being released in field programmes aimed at disease suppression, there is interest in identifying factors influencing the mating and invasion success of released mosquitoes. one factor that can increase release success is size: released males may benefit competitively from being larger than their field counterparts. however, there could be a risk in releasing only large males if small field females avoid these males and instead prefer small males. here we invest ... | 2018 | 30068363 |
| a gustatory receptor used for rapid detection of tyrophagus putrescentiae in fungi hosts. | the storage mite, tyrophagus putrescentiae, found worldwide in many habitats, is an important pest of edible fungi in china. storage mites are tiny and difficult to observe, especially when they occur in fungi composts. in this study, one gustatory receptor protein (tputgr1) was identified from the transcriptome of t. putrescentiae. phylogenetic analysis of grs families from 10 arthropod species revealed that tputgr1 had high homology with the sccagr1 of sarcoptes scabiei and turtgr1-2 of tetran ... | 2018 | 30061635 |
| juvenile hormone-regulated alternative splicing of the taiman gene primes the ecdysteroid response in adult mosquitoes. | juvenile hormone (jh) regulates many aspects of insect development and reproduction. in some processes, jh plays a critical role in defining the action of the steroid hormone 20-hydroxyecdysone (20e). in aedes aegypti mosquitoes, jh prepares newly emerged female adults to become competent to synthesize vitellogenin in response to 20e after blood ingestion. the molecular basis of this competence is still not well understood. here, we report that jh regulates pre-mrna splicing of the taiman gene, ... | 2018 | 30061397 |
| comparing the effectiveness of different strains of wolbachia for controlling chikungunya, dengue fever, and zika. | once aedes aegypti and aedes albopictus mosquitoes that spread chikungunya virus, dengue virus, and zika virus are infected with wolbachia, they have reduced egg laying rates, reduced transmission abilities, and shorter lifespans. since most infected mosquitoes are only infectious in the last few days of their lives, shortening a mosquito's lifespan by a day or two can greatly reduce their abilities to spread mosquito-borne viral diseases, such as chikungunya, dengue fever, and zika. we develope ... | 2018 | 30059498 |
| modeling the importation and local transmission of vector-borne diseases in florida: the case of zika outbreak in 2016. | chikungunya, dengue, and zika viruses are all transmitted by aedes aegypti and aedes albopictus mosquito species, had been imported to florida and caused local outbreaks. we propose a deterministic model to study the importation and local transmission of these mosquito-borne diseases. the purpose is to model and mimic the importation of these viruses to florida via travelers, local infections in domestic mosquitoes by imported travelers, and finally non-travel related transmissions to local huma ... | 2018 | 30053386 |
| modifying the biogents sentinel trap to increase the longevity of captured aedes aegypti. | aedes aegypti (l.) (diptera: culicidae) is a vector of viruses causing dengue, zika, chikungunya, and yellow fever and subsequently pose a significant global threat to public health. while sampling live mosquitoes is useful for surveillance purposes, most traps targeting aedes kill captured mosquitoes. the biogents sentinel (bgs) trap, the gold standard for capturing ae. aegypti, is one such trap. in our study, we modified the bgs trap to increase the survival of captured ae. aegypti by replacin ... | 2018 | 30053026 |
| experimental study of the susceptibility of a european aedes albopictus strain to dengue virus under a simulated mediterranean temperature regime. | dengue virus (denv) has re-emerged in europe driven by the geographic expansion of the mosquito species aedes albopictus and aedes aegypti (diptera: culicidae) and the introduction of the virus by viraemic travellers. in the present study, the vector competence (vc) of ae. albopictus collected in catalonia (northeast spain) was evaluated for two different denv strains, denv-1 and denv-2, the serotypes responsible for all outbreaks of dengue that have occurred in europe. mosquitoes were reared un ... | 2018 | 30051490 |
| larvicidal effectiveness of azolla pinnata against aedes aegypti (diptera: culicidae) with its effects on larval morphology and visualization of behavioural response. | dengue is vector-borne diseases with 390 million infections per year extending over 120 countries of the world. aedes aegypti (l.) (diptera: culicidae) is a primary vector for dengue viral infections for humans. current focus on application of natural product against mosquito vectors has been the main priority for research due to its eco-safety. the extensive use of chemical insecticides has led to severe health problems, environmental pollution, toxic hazards to human and nontarget species, and ... | 2018 | 30050688 |
| the impact of the age of first blood meal and zika virus infection on aedes aegypti egg production and longevity. | the impact of senescence and pathogen infection on aedes aegypti life-history traits remains poorly understood. this laboratory study focused on the impact of zika virus (zikv) infection and the age of first blood intake on blood meal and clutch sizes, and more importantly on the egg production ratio per μl of blood. three groups of zikv-infected and uninfected ae. aegypti females that received their first blood meal at 7 (young feeders), 14 (mature feeders) and 21 days old (old feeders) were mo ... | 2018 | 30048481 |
| characterization of dengue virus in aedes aegypti and aedes albopictus spp. of mosquitoes: a study in khyber pakhtunkhwa, pakistan. | dengue is a vector-borne disease caused by dengue virus. according to the recent report of cdc that one-third population of the world are at high risk with dengue fever. the prevalence of the dengue hemorrhagic fever was found more in tropical and sub-tropical regions of the world. aedes mosquitoes was reported as the main cause of transmission of dengue virus. so the current study was planned to characterize the virus in aedes mosquitoes collected from different area of pakistan. in current inv ... | 2018 | 30046621 |
| specific human antibody responses to aedes aegypti and aedes polynesiensis saliva: a new epidemiological tool to assess human exposure to disease vectors in the pacific. | aedes mosquitoes severely affect the health and wellbeing of human populations by transmitting infectious diseases. in french polynesia, aedes aegypti is the main vector of dengue, chikungunya and zika, and aedes polynesiensis the primary vector of bancroftian filariasis and a secondary vector of arboviruses. tools for assessing the risk of disease transmission or for measuring the efficacy of vector control programmes are scarce. a promising approach to quantify the human-vector contact relies ... | 2018 | 30040826 |
| is autumn the key for dengue epidemics in non endemic regions? the case of argentina. | dengue is a major and rapidly increasing public health problem. in argentina, the southern extreme of its distribution in the americas, epidemic transmission takes place during the warm season. since its re-emergence in 1998 two major outbreaks have occurred, the biggest during 2016. to identify the environmental factors that trigger epidemic events, we analyzed the occurrence and magnitude of dengue outbreaks in time and space at different scales in association with climatic, geographic and dem ... | 2018 | 30038860 |
| the effect of skitosnack, an artificial blood meal replacement, on aedes aegypti life history traits and gut microbiota. | public health research and vector control frequently require the rearing of large numbers of vector mosquitoes. all target vector mosquito species are anautogenous, meaning that females require vertebrate blood for egg production. vertebrate blood, however, is costly, with a short shelf life. to overcome these constraints, we have developed skitosnack, an artificial blood meal replacement for the mosquito aedes aegypti, the vector of dengue, zika and chikungunya virus. skitosnack contains bovine ... | 2018 | 30038361 |
| classification of containers with aedes aegypti pupae using a neural networks model. | this paper discusses the presence of aedes aegypti pupae in different types of containers considering: volume, ph of the container, among other variables. | 2018 | 30036370 |
| acute inhalation toxicity study of n-heneicosane and its combination with diflubenzuron: an attracticide of aedes aegypti. | combination of an oviposition pheromone and an insect growth regulator for the control of vectors is an effective approach. there is a need for toxicological evaluation before its introduction. the present study evaluates the acute inhalation toxicity of n-heneicosane and its combination with diflubenzuron in a head-only inhalation exposure chamber made of glass. | 2018 | 30033812 |
| cgti, a novel thermostable kunitz trypsin-inhibitor purified from cassia grandis seeds: purification, characterization and termiticidal activity. | cassia grandis trypsin inhibitor (cgti) is a novel plant serine proteinase inhibitor. this study sets out to purify a thermostable inhibitor from the seeds of cassia grandis and to provide biochemical information about a novel peptide belonging to the kunitz family. moreover, toxicity assays against artemia, aedes aegypti larvae-l4 and nasutitermes corniger are evaluated. the purification process was performed using acetone precipitation, trypsin-sepharose-cl4b and superdex-g75. the inhibitor sh ... | 2018 | 30030073 |
| impedimetric immunosensor for dengue diagnosis using graphite screen-printed electrodes coated with poly(4-aminophenylacetic acid). | dengue is an infectious viral disease transmitted by the aedes aegypti mosquito, the control of which is complex. in addition, the clinical diagnosis is difficult to perform since it resembles other febrile infections; thus, the development of more effective methods to detect dengue virus (dv) has drawn increasing attention. the present study aimed to develop an impedimetric immunosensor for dengue diagnosis using a screen-printed electrode (spe) functionalized with polymer films derived from 4- ... | 2018 | 30182296 |
| dengue virus infection changes aedes aegypti oviposition olfactory preferences. | aedes aegypti mosquitoes, main vectors for numerous flaviviruses, have olfactory preferences and are capable of olfactory learning especially when seeking their required environmental conditions to lay their eggs. in this study, we showed that semiochemical conditions during aedes aegypti larval rearing affected future female choice for oviposition: water-reared mosquitoes preferred to lay eggs in water or p-cresol containers, while skatole reared mosquitoes preferred skatole sites. using two in ... | 2018 | 30181545 |
| a conceptual model for optimizing vaccine coverage to reduce vector-borne infections in the presence of antibody-dependent enhancement. | many vector-borne diseases co-circulate, as the viruses from the same family are also transmitted by the same vector species. for example, zika and dengue viruses belong to the same flavivirus family and are primarily transmitted by a common mosquito species aedes aegypti. zika outbreaks have also commonly occurred in dengue-endemic areas, and co-circulation and co-infection of both viruses have been reported. as recent immunological cross-reactivity studies have confirmed that convalescent plas ... | 2018 | 30173664 |
| demonstration of efficient vertical and venereal transmission of dengue virus type-2 in a genetically diverse laboratory strain of aedes aegypti. | aedes aegypti is the primary mosquito vector of dengue viruses (denv; serotypes 1-4). human-mosquito transmission cycles maintain denv during epidemics but questions remain regarding how these viruses survive when human infections and vector abundance are minimal. aedes mosquitoes can transmit denv within the vector population through two alternate routes: vertical and venereal transmission (vt and vnt, respectively). we tested the efficiency of vt and vnt in a genetically diverse laboratory (gd ... | 2018 | 30169505 |
| the surveillance of chikungunya virus in a temperate climate: challenges and possible solutions from the experience of lazio region, italy. | chikv has become an emerging public health concern in the temperate regions of the northern hemisphere as a consequenceof the expansion of the endemic areas of its vectors (mainly aedes aegypti and aedesalbopictus). in 2017, a new outbreak of chikv was detected in italy with three clusters of autochthonous transmission in the lazio region (central italy), in the cities of anzio, rome, and latina and a secondary cluster in the calabria region (south italy). given the climate characteristics of it ... | 2018 | 30223536 |
| where vectors collide: the importance of mechanisms shaping the realized niche for modeling ranges of invasive aedes mosquitoes. | the vector mosquitoes aedes aegypti (l.), native to africa, and aedes albopictus (skuse), native to asia, are widespread invasives whose spatial distributions frequently overlap. predictive models of their distributions are typically correlative rather than mechanistic, and based on only abiotic variables describing putative environmental requirements despite extensive evidence of competitive interactions leading to displacements. here we review putative roles of competition contributing to dist ... | 2018 | 30220875 |
| projecting the end of the zika virus epidemic in latin america: a modelling analysis. | zika virus (zikv) emerged in latin america and the caribbean (lac) region in 2013, with serious implications for population health in the region. in 2016, the world health organization declared the zikv outbreak a public health emergency of international concern following a cluster of associated neurological disorders and neonatal malformations. in 2017, zika cases declined, but future incidence in lac remains uncertain due to gaps in our understanding, considerable variation in surveillance and ... | 2018 | 30285863 |
| relationship between local presence and density of aedes aegypti eggs with dengue cases: a spatial analysis approach. | to analyze the relationship between the occurrence of dengue and ovitrap positivity and dengue egg density in two amazonas municipalities (brazil) in 2016. | 2018 | 30282110 |
| enhancement of insect susceptibility and larvicidal efficacy of cry4ba toxin by calcofluor. | mosquitoes transmit many vector-borne infectious diseases including malaria, dengue, chikungunya, yellow fever, filariasis, and japanese encephalitis. the insecticidal δ-endotoxins cry4, cry11, and cyt produced from bacillus thuringiensis have been used for bio-control of mosquito larvae. cry δ-endotoxins are synthesised as inactive protoxins in the form of crystalline inclusions in which they are processed to active toxins in larval midgut lumen. previously, we demonstrated that the activated c ... | 2018 | 30236155 |
| determining environmental and anthropogenic factors which explain the global distribution of aedes aegypti and ae. albopictus. | responsible for considerable global human morbidity and mortality, aedes aegypti and ae. albopictus are the primary vectors of several important human diseases, including dengue and yellow fever. although numerous variables that affect mosquito survival and reproduction have been recorded at the local and regional scales, many remain untested at the global level, potentially confounding mapping efforts to date. | 2018 | 30233829 |
| evaluation of effectiveness of a community-based intervention for control of dengue virus vector, ouagadougou, burkina faso. | we evaluated the effectiveness of a community-based intervention for dengue vector control in ouagadougou, the capital city of burkina faso. households in the intervention (n = 287) and control (n = 289) neighborhoods were randomly sampled and the outcomes collected before the intervention (october 2015) and after the intervention (october 2016). the intervention reduced residents' exposure to dengue vector bites (vector saliva biomarker difference -0.08 [95% ci -0.11 to -0.04]). the pupae index ... | 2018 | 30226159 |
| baseline characterization of dengue epidemiology in yogyakarta city, indonesia, before a randomized controlled trial of wolbachia for arboviral disease control. | dengue is endemic in indonesia. here, we describe the epidemiology of dengue in the city of yogyakarta, central java, as a prelude to implementation of a cluster-randomized trial of wolbachia for the biocontrol of arboviral transmission. surveillance records from 2006 to 2016 demonstrate seasonal oscillations of dengue incidence with varying magnitude. two lines of evidence demonstrate a high force of infection; the hospitalized case burden of patients diagnosed with dengue hemorrhagic fever or ... | 2018 | 30226138 |
| microcystin and pyriproxyfen are toxic to early stages of development in rhamdia quelen: an experimental and modelling study. | the recent increase of freshwater eutrophication has favored cyanobacteria blooms and consequently the increase of toxins such as microcystin-lr in aquatic environments, but few is know about the associated effect of toxin and other compounds. pyriproxyfen is an insecticide indicated by who (world health organization) to control aedes aegypti mosquito (vector of dengue, chikungunya and zika diseases), however, the effects are not well described to non-target species, such as fish. the early life ... | 2018 | 30278392 |
| serotonin signaling regulates insulin-like peptides for growth, reproduction, and metabolism in the disease vector aedes aegypti. | disease-transmitting female mosquitoes require a vertebrate blood meal to produce their eggs. an obligatory hematophagous lifestyle, rapid reproduction, and existence of a large number of transmittable diseases make mosquitoes the world's deadliest animals. attaining optimal body size and nutritional status is critical for mosquitoes to become reproductively competent and effective disease vectors. we report that blood feeding boosts serotonin concentration and elevates the serotonin receptor aa ... | 2018 | 30275337 |
| from incriminating stegomyia fasciata to releasing wolbachia pipientis: australian research on the dengue virus vector, aedes aegypti, and development of novel strategies for its surveillance and control. | globally, the dengue viruses (denvs) infect approximately 300 million people annually. australia has a history of epidemic dengue, with outbreaks in the early decades of the twentieth century responsible for tens of thousands of cases. seminal experiments conducted by australian scientists during these outbreaks were the first to incriminate aedes aegypti as a major vector of dengue viruses. one hundred years later, australian scientists are playing a lead role in the development of surveillance ... | 2018 | 30274467 |
| the importance of water typologies in lay entomologies of aedes aegypti habitat, breeding and dengue risk: a study from northern australia. | dengue fever is making a significant comeback globally and its control still depends largely on residents' actions. community awareness and education are central to its management; however, programmes have had limited impact, because they are often based on short-term research and limited awareness of the socio-ecological contexts wherein local knowledge of dengue and its vectors (lay entomology) is produced and enacted in and through place. long-term studies of lay knowledge of dengue vectors a ... | 2018 | 30274463 |
| application of artificial neural networks for dengue fever outbreak predictions in the northwest coast of yucatan, mexico and san juan, puerto rico. | modelling dengue fever in endemic areas is important to mitigate and improve vector-borne disease control to reduce outbreaks. this study applied artificial neural networks (anns) to predict dengue fever outbreak occurrences in san juan, puerto rico (usa), and in several coastal municipalities of the state of yucatan, mexico, based on specific thresholds. the models were trained with 19 years of dengue fever data for puerto rico and six years for mexico. environmental and demographic data includ ... | 2018 | 30274404 |
| synthetic mirnas induce dual arboviral-resistance phenotypes in the vector mosquito aedes aegypti. | mosquito-borne arboviruses are responsible for recent dengue, chikungunya, and zika pandemics. the yellow-fever mosquito, aedes aegypti, plays an important role in the transmission of all three viruses. we developed a mirna-based approach that results in a dual resistance phenotype in mosquitoes to dengue serotype 3 (denv-3) and chikungunya (chikv) viruses. the target viruses are from two distinct arboviral families and the antiviral mechanism is designed to function through the endogenous mirna ... | 2018 | 30271898 |
| evaluation of standard field and laboratory methods to compare protection times of the topical repellents pmd and deet. | mosquitoes are important vectors of pathogens, and travellers to disease endemic countries are advised to avoid bites by applying topical repellents. topical repellents are typically tested either in the arm-in-cage (aic) test under laboratory conditions or in the field, but not often under both conditions. we, therefore, investigated how two topical repellents, 15% para-menthane-3,8-diol (pmd) and 15% n,n-diethyl-3-methylbenzamide (deet) compare against each other both in the aic test against t ... | 2018 | 30135603 |
| experimental evaluation of the impact of household aerosolized insecticides on pyrethroid resistant aedes aegypti. | the extensive reliance on insecticides to control aedes aegypti mosquitoes and disrupt transmission of dengue, chikungunya and zika has fueled the emergence of widespread resistance to insecticides. mismatch between the frequency of pyrethroid resistance in mosquitoes and the occurrence of pyrethroid-based insecticide applications for vector control is often hypothesized to be due to household use of commercial insecticide products. we experimentally quantified phenotypic and genotypic responses ... | 2018 | 30135460 |
| differential transmission of antiviral drug-resistant chikungunya viruses by aedes mosquitoes. | the chikungunya virus (chikv) is transmitted by female aedes aegypti and aedes albopictus mosquitoes, mostly present in (sub)tropical regions. no antivirals are available to treat chikv infections. if antiviral drugs are proven efficient to treat chikv-infected patients, it will be pivotal to determine whether drug-resistant viruses can be transmitted from one human to another by their mosquito vectors. we orally infected aedes aegypti mosquitoes with a blood meal containing wild-type or drug-re ... | 2018 | 30135220 |
| study of aedes aegypti population with emphasis on the gonotrophic cycle length and identification of arboviruses: implications for vector management in cemeteries. | aedes aegypti is the vector of the arboviruses causing dengue, chikungunya and zika infections in mexico. however, its presence in public places has not been fully evaluated. in a cemetery from merida, yucatan, mexico, the productivity of ae. aegypti, the gonotrophic cycle, and the presence of ae. aegypti females infected with arboviruses were evaluated. immature and adult mosquitoes were inspected every two months between april 2016 to june 2017. for the gonotrophic cycle length, the daily patt ... | 2018 | 30133604 |
| estimating the effects of variation in viremia on mosquito susceptibility, infectiousness, and r0 of zika in aedes aegypti. | zika virus (zikv) is an arbovirus primarily transmitted by aedes mosquitoes. like most viral infections, zikv viremia varies over several orders of magnitude, with unknown consequences for transmission. to determine the effect of viral concentration on zikv transmission risk, we exposed field-derived ae. aegypti mosquitoes to four doses (10(3), 10(4), 10(5), 10(6) pfu/ml) representative of potential variation in the field. we demonstrate that increasing zikv dose in the blood-meal significantly ... | 2018 | 30133450 |
| estimating air temperature using modis surface temperature images for assessing aedes aegypti thermal niche in bangkok, thailand. | dengue, the most widespread urban vector-borne disease, is transmitted to human by the mosquito aedes aegypti. its distribution in urban areas is heterogeneous over time and space. in time, it is linked to seasonal variations such as warm and cold seasons, as well as rainy and dry seasons. in space, it is linked to social and environmental conditions, which alternate between rich and deprived neighborhoods, vegetated and densely built areas. these variations in terms of land cover can affect sur ... | 2018 | 30132225 |
| efficacy of culicinomyces spp. against aedes aegypti eggs, larvae and adults. | the aquatic fungal genus culicinomyces attacks dipteran larvae but little is known about its efficacy against aedes aegypti. here we report on the activity of both described species-culicinomyces clavisporus and culicinomyces bisporalis-on larvae, eggs and adults, and on trans-stadial transmission. ten c. clavisporus isolates (arsef 372, 582, 644, 706, 964, 1260, 2471, 2478, 2479 and 2480) and c. bisporalis arsef 1948 were screened against larvae of this important vector of viral diseases. arsef ... | 2018 | 30130538 |
| glyphosate impairs learning in aedes aegypti mosquito larvae at field-realistic doses. | glyphosate is the most widely used herbicide in the world. over the past few years, the number of studies revealing deleterious effects of glyphosate on non-target species has been increasing. here, we studied the impact of glyphosate at field-realistic doses on learning in mosquito larvae (aedes aegypti). larvae of a. aegypti live in small bodies of water and perform a stereotyped escape response when a moving object projects its shadow on the water surface. repeated presentations of an innocuo ... | 2018 | 30127074 |
| laboratory selection of aedes aegypti field populations with the organophosphate malathion: negative impacts on resistance to deltamethrin and to the organophosphate temephos. | resistance to pyrethroids and to the organophosphate temephos is widespread in brazilian populations of the dengue vector, aedes aegypti. thereof, since 2009 insect growth regulators are employed as larvicides, and malathion is used against adults. | 2018 | 30125295 |
| travel-associated zika cases and threat of local transmission during global outbreak, california, usa. | zika and associated microcephaly among newborns were reported in brazil during 2015. zika has since spread across the americas, and travel-associated cases were reported throughout the united states. we reviewed travel-associated zika cases in california to assess the potential threat of local zika virus transmission, given the regional spread of aedes aegypti and ae. albopictus mosquitoes. during november 2015-september 2017, a total of 588 travel-associated zika cases were reported in californ ... | 2018 | 30124194 |
| chicory (cichorium intybus) and wormwood (artemisia absinthium) extracts exhibit strong larvicidal activity against mosquito vectors of malaria, dengue fever, and filariasis. | vector-borne diseases transmitted by mosquitoes cause globally important diseases such as malaria, dengue fever, and filariasis. the incidence of these diseases can be reduced through mosquito control programs but these control programs currently rely on synthetic insecticides that can impact the environment, and has selected widespread mosquito resistance. environment friendly and biodegradable natural insecticides discovered in plants offer an alternative approach to mosquito control. here, we ... | 2018 | 30118862 |
| colonized sabethes cyaneus, a sylvatic new world mosquito species, shows a low vector competence for zika virus relative to aedes aegypti. | the introduction of zika virus (zikv) to the americas raised concern that the virus would spill back from human transmission, perpetuated by aedes aegypti, into a sylvatic cycle maintained in wildlife and forest-living mosquitoes. in the americas, sabethes species are vectors of sylvatic yellow fever virus (yfv) and are therefore candidate vectors of a sylvatic zikv cycle. to test the potential of sabethes cyaneus to transmit zikv, sa. cyaneus and ae. aegypti were fed on a129 mice one or two day ... | 2018 | 30115888 |
| levels of resistance to pyrethroid among distinct kdr alleles in aedes aegypti laboratory lines and frequency of kdr alleles in 27 natural populations from rio de janeiro, brazil. | several mutations in voltage gated sodium channel (nav) have been identified in aedes aegypti populations worldwide. however, only few are related to knockdown resistance to pyrethroids, most of which with variations in the 1016 and 1534 nav sites. in brazil, at least two nav alleles are known: navr1, with a substitution in the 1534 (1016 val+ + 1534 ile kdr ) and navr2, with substitutions in both 1016 and sites (1016ilekdr + 1534cys kdr ). there is also the duplication in the nav gene, with one ... | 2018 | 30112367 |
| oviplate: a convenient and space-saving method to perform individual oviposition assays in aedes aegypti. | aedes aegypti is the principal vector of the urban arboviruses and the blood ingestion is important to produce the eggs in this species. to analyze the egg production in ae. aegypti, researchers frequently use small cages or drosophila vials to collect eggs from gravid females. although it is affordable, the setup is time- and space-consuming, mainly when many mosquitoes need to be individually analyzed. this study presents an easy, cheap, and space-saving method to perform individual ovipositio ... | 2018 | 30111702 |
| temperature drives zika virus transmission: evidence from empirical and mathematical models. | temperature is a strong driver of vector-borne disease transmission. yet, for emerging arboviruses we lack fundamental knowledge on the relationship between transmission and temperature. current models rely on the untested assumption that zika virus responds similarly to dengue virus, potentially limiting our ability to accurately predict the spread of zika. we conducted experiments to estimate the thermal performance of zika virus (zikv) in field-derived aedes aegypti across eight constant temp ... | 2018 | 30111605 |
| zika might not be acting alone: using an ecological study approach to investigate potential co-acting risk factors for an unusual pattern of microcephaly in brazil. | zika virus infections can cause a range of neurologic disorders including congenital microcephaly. however, while zika infections have been notified across all regions in brazil, there has been an unusual number of congenital microcephaly case notifications concentrated in the northeast of the country. to address this observation, we investigated epidemiological data (2014-2016) on arbovirus co-distribution, environmental and socio-economic factors for each region in brazil. data on arbovirus re ... | 2018 | 30110370 |
| parental and offspring larval diets interact to influence life-history traits and infection with dengue virus in aedes aegypti. | the environmental conditions experienced by parents can influence offspring phenotype along with the conditions experienced by offspring. these parental effects are clear in organisms that display parental care and are less clear in other organisms. here, we consider effects of parental and offspring larval nutrition on offspring development time, survivorship and infection with dengue virus in aedes aegypti, the mosquito vector of dengue, chikungunya, yellow fever and zika. parents were raised ... | 2018 | 30109101 |
| anti-inflammatory activities of aedes aegypti cecropins and their protection against murine endotoxin shock. | mosquitoes are armed with physiologically active compounds to suppress the host immunity including host inflammatory reaction. however, the specific anti-inflammatory components in mosquitoes remain unknown. | 2018 | 30107813 |
| potential of aedes aegypti populations in madeira island to transmit dengue and chikungunya viruses. | aedes spp. mosquitoes mainly transmit the arboviruses dengue virus (denv) and chikungunya virus (chikv) in urban areas, causing a severe public health problem. in 2012-2013, a major dengue outbreak occurred on madeira island where the mosquito aedes aegypti was the only vector. up to now, the competence of ae. aegypti populations from madeira to transmit denv or chikv remains unknown. this study aimed to assess experimentally the ability of ae. aegypti populations from madeira to transmit these ... | 2018 | 30208974 |
| distribution and breeding sites of aedes aegypti and aedes albopictus in 32 urban/peri-urban districts of mozambique: implication for assessing the risk of arbovirus outbreaks. | aedes-borne arboviruses have emerged as an important public health problem worldwide and, in mozambique, the number of cases and its geographical spread have been growing. however, information on the occurrence, distribution and ecology of aedes aegypti and ae. albopictus mosquitoes remain poorly known in the country. | 2018 | 30208017 |
| mosquito and tick repellency of two anthemis essential oils from saudi arabia. | the essential oils (eos) of anthemis melampodina (am) and anthemis scrobicularis (as) (asteraceae) were extracted from the aerial parts of the plants by hydrodistillation, and their chemical compositions were analyzed using gc-fid and gc-ms. fifty-six components representing 85.5% of the oil composition of anthemis melampdina were identified, and the major components were α-pinene (17.1%) and β-eudesmol (13.8%). forty-one components representing 86% of the oil composition of anthemis scrobicular ... | 2018 | 30202228 |
| the effect of permethrin resistance on aedes aegypti transcriptome following ingestion of zika virus infected blood. | aedes aegypti (l.) is the primary vector of many emerging arboviruses. insecticide resistance among mosquito populations is a consequence of the application of insecticides for mosquito control. we used rna-sequencing to compare transcriptomes between permethrin resistant and susceptible strains of florida ae. aegypti in response to zika virus infection. a total of 2459 transcripts were expressed at significantly different levels between resistant and susceptible ae. aegypti. gene ontology analy ... | 2018 | 30200481 |
| quiescence in aedes aegypti: interpopulation differences contribute to population dynamics and vectorial capacity. | the strategy of aedes aegypti to prolong embryonic viability by quiescence has severe implications for geographic expansion and maintenance of mosquito populations in areas under control measures. we evaluated the effects of quiescence on biological parameters directly or indirectly associated with population dynamics and vectorial capacity in populations of this mosquito species from two brazilian municipalities characterized as dengue, chikungunya, and zika transmission areas. egg viability, i ... | 2018 | 30200417 |
| nutritional quality during development alters insulin-like peptides' expression and physiology of the adult yellow fever mosquito, aedes aegypti. | mosquitoes have distinct developmental and adult life history, and the vectorial capacity of females has been shown to be affected by the larval nutritional environment. however, little is known about the effect of developmental nutrition on insulin-signaling and nutrient storage. in this study, we used aedes aegypti, the yellow fever mosquito, to determine whether larval nutrition affects insulin gene expression. we also determined the traits regulated by insulin signaling, such as stored-nutri ... | 2018 | 30200185 |
| evaluation of eosin-methylene blue as a photosensitizer for larval control of aedes aegypti by a photodynamic process. | aedes aegypti (ae. aegypti) is a competent vector for transmitting important viral diseases such as yellow fever, dengue, chikungunya, and zika. several strategies have been applied to avoid ae. aegypti proliferation by using environmental management, biological, and chemical approaches. however, the development of new methods for effective control of the insect vector population is still needed. photodynamic control is an alternative way to control the vector population by using a physical appr ... | 2018 | 30200177 |
| multiple insecticide resistance mechanisms in primary dengue vector, aedes aegypti (linn.) from dengue endemic districts of sub-himalayan west bengal, india. | mosquitoes belonging to genus aedes are the prime vectors of several arboviral diseases such as dengue, zika and chikungunya worldwide. every year numerous cases of dengue infections occur throughout the world, proper control of which depends on efficient vector control. however the onset of insecticide resistance has resulted in failure of vector control approaches. | 2018 | 30199543 |
| plant-derived compounds regulate formation of the insect juvenile hormone receptor complex. | insect growth regulators (igrs) are attractive pest control agents due to their high target specificity and relative safety to the environment. recently, plants have been shown to synthesize igrs that affect the insect juvenile hormone (jh) as a part of their defense mechanisms. using a yeast two-hybrid system transformed with the aedes aegypti jh receptor as a reporter system, we identified several jh agonists (jhas) and antagonists (jhans) causing retardation in the ovarian development of fema ... | 2018 | 30195384 |
| extensive recoding of dengue virus type 2 specifically reduces replication in primate cells without gain-of-function in aedes aegypti mosquitoes. | dengue virus (denv), an arthropod-borne ("arbovirus") virus, causes a range of human maladies ranging from self-limiting dengue fever to the life-threatening dengue shock syndrome and proliferates well in two different taxa of the animal kingdom, mosquitoes and primates. mosquitoes and primates show taxonomic group-specific intolerance to certain codon pairs when expressing their genes by translation. this is called "codon pair bias". by necessity, dengue viruses evolved to delicately balance th ... | 2018 | 30192757 |
| differential proteome analysis of chikungunya virus and dengue virus coinfection in aedes mosquitoes. | chikungunya virus (chikv) and dengue virus (denv) are important arboviruses transmitted by aedes mosquitoes. these viruses are known to coexist within the same vector and coinfect the same host. although information is available on the mechanism of replication of chikv and denv when present independently in a vector, reports are lacking on the dynamics of virus-vector interactions when these viruses coexist in a mosquito. the current study attempts to understand the perturbations in the proteome ... | 2018 | 30192139 |
| recent advances in threshold-dependent gene drives for mosquitoes. | mosquito-borne diseases, such as malaria, dengue and chikungunya, cause morbidity and mortality around the world. recent advances in gene drives have produced control methods that could theoretically modify all populations of a disease vector, from a single release, making whole species less able to transmit pathogens. this ability has caused both excitement, at the prospect of global eradication of mosquito-borne diseases, and concern around safeguards. drive mechanisms that require individuals ... | 2018 | 30190331 |
| evaluation of (-)-borneol derivatives against the zika vector, aedes aegypti and a non-target species, artemia sp. | zika, dengue, and chikungunya are vector-borne diseases of pronounced concern transmitted by the mosquito aedes aegypti linn. (diptera: culicidae). the most important method to avoid outbreaks is to control mosquito spreading by the employment of insecticides and larvicides. failure to control mosquito dispersal is mostly accounted to ae. aegypti resistance to currently available larvicides and insecticides, encouraging the development of novel pesticides. in addition, the excessive use of larvi ... | 2018 | 30187415 |
| knowledge, practices and entomological aspects of dengue in medellín, colombia: a comparative study of neighborhoods with high and low incidence | introduction: dengue, mainly transmitted by aedes aegypti, is a very important viral disease in terms of public health. colombia is an endemoepidemic country for dengue and, in cities like medellín, there are neighborhoods with high and low incidence. the disease dynamics in the neighborhoods might be determined by differences in the knowledge, practices and entomological aspects of the vector among the communities.objective: to identify the knowledge and practices of residents of neighborhoods ... | 2018 | 30184371 |
| novel larvicide tablets of bacillus thuringiensis var. israelensis: assessment of larvicidal effect on aedes aegypti (diptera: culicidae) in colombia. | aedes (stegomyia) aegypti is the vector for dengue, chikungunya, and zika arboviruses. bti-cecif is a bioinsecticide designed and developed in the form of a solid tablet for the control of this vector. it contains bacillus thuringiensis var. israelensis (bti) serotype h-14. | 2018 | 30184370 |
| exposure and sensitization to insects in allergic patients in the tropics | introduction: mites are an important source of allergens in the tropics. other potential sources of allergens prevalent in the region such as insects have been poorly studied.objective: to determine the relationship between exposure and allergic sensitization to cockroaches, mosquitos, ants and the interaction with mite sensitization.materials and methods: we included patients with allergy tests for blatella germanica, aedes aegypti, solenopsis invicta, blomia tropicalis, dermatophagoides farina ... | 2018 | 30184366 |
| genetic variability of aedes aegypti in the department of sucre, colombia, by analysis of the nucleotide sequence of the mitochondrial nd4 gene | introduction. aedes aegypti is the most important mosquito species in america for the transmission of viruses of dengue, zika, chikungunya and yellow fever. ecological factors as well as chemical controls can affect the genetic composition of ae. aegypti populations, which is why its genetic characterization is necessary.objective. to determine the genetic variability of ae. aegypti populations in four municipalities of sucre department, colombia.materials and methods. larvae of ae. aegypti, col ... | 2018 | 30184356 |
| aedes aegypti mosquitoes from guadeloupe (french west indies) are able to transmit yellow fever virus. | the recent yellow fever epidemic in brazil has raised the concern of outbreaks in neighboring countries, particularly in the caribbean region where the vector aedes aegypti is predominant. this threat comes from the past when in the americas, this disease caused devastating urban epidemics. we report the vector competence of ae. aegypti from guadeloupe for yellow fever virus by determining different parameters describing virus infection, dissemination, and transmission. the results indicate that ... | 2018 | 30265716 |
| efficacy of mosquito coils: cross-resistance to pyrethroids in aedes aegypti (diptera: culicidae) from indonesia. | aedes aegypti (l.) (diptera: culicidae) is the primary vector of several arthropod-borne viral infectious diseases globally. relentless vector control efforts are performed to curtail disease transmissions, insecticides remain as the first line of defense in indonesia. with a dearth of publication on the efficacy of mosquito coil in indonesia, this is the first report related to mosquito coil despite its common use in households. ae. aegypti mosquitoes were sampled from nine regencies in indones ... | 2018 | 30265353 |
| nanosilver crystals capped with bauhinia acuminata phytochemicals as new antimicrobials and mosquito larvicides. | to develop novel nanoformulated insecticides and antimicrobials, herein we produced ag nanoparticles (agnps) using the bauhinia acuminata leaf extract. this unexpensive aqueous extract acted as a capping and reducing agent for the formation of agnps. we characterized b. acuminata-synthesized agnps by uv-vis and ftir spectroscopy, xrd and tem analyses. uv-vis spectroscopy analysis of b. acuminata-synthesized agnps showed a peak at 441.5 nm. ftir shed light on functional groups from the phytoconst ... | 2018 | 30262272 |
| high functional conservation of takeout family members in a courtship model system. | takeout (to) is one of the male-specific genes expressed in the fat body that regulate male courtship behavior, and has been shown to act as a secreted protein in conjunction with courtship circuits. there are 23 takeout family members in drosophila melanogaster, and homologues of this family are distributed across insect species. sequence conservation among family members is low. here we test the functional conservation of takeout family members by examining whether they can rescue the takeout ... | 2018 | 30261021 |
| history of zikv infections in india and management of disease outbreaks. | zika virus (zikv) is an emerging arbovirus infection endemic in multiple countries spread from asia, africa to the americas and europe. previously known to cause rare and fairly benign human infections, zikv has become a major international public health emergency after being linked to unexpected neurological complications, that includes fetal brain damage/death and microcephaly in babies born to infected mothers and guillain-barre syndrome (gbs) in adults. it appears that a single genetic mutat ... | 2018 | 30258421 |
| first report of v1016g and s989p knockdown resistant (kdr) mutations in pyrethroid-resistant sri lankan aedes aegypti mosquitoes. | dengue is a serious arboviral disease in sri lanka with a large number of dengue fever (df) cases every year. control of the primary vector aedes aegypti depends upon larval habitat source reduction and insecticide application. however, increases in the number of reported cases suggest the inefficiency of current control strategies and the possibility of resistance to currently used insecticides. early detection of mutations in the voltage-gated sodium channel (vgsc) gene that confer knockdown r ... | 2018 | 30257701 |
| c-type lectin-20 interacts with alp1 receptor to reduce cry toxicity in aedes aegypti. | aedes aegypti is a crucial vector for human diseases, such as yellow fever, dengue, chikungunya, and zika viruses. today, a major challenge throughout the globe is the insufficient availability of antiviral drugs and vaccines against arboviruses, and toxins produced by bacillus thuringiensis (bt) are still used as biological agents for mosquito control. the use of cry toxins to kill insects mainly depends on the interaction between cry toxins and important toxin receptors, such as alkaline phosp ... | 2018 | 30257487 |
| differential transmission of asian and african zika virus lineages by aedes aegypti from new caledonia. | zika virus (zikv) is a flavivirus that is transmitted to humans by aedes mosquitoes. zikv is divided into two phylogenetic lineages, african and asian. in the asian lineage, pacific and american clades have been linked to the recent worldwide outbreak of zikv. the aim of this study was to measure the vector competence of aedes aegypti for seven zikv strains belonging to both lineages. we demonstrate that ae. aegypti from new caledonia (nc), south pacific region, is a low-competence vector for as ... | 2018 | 30254274 |
| sex and species specific hearing mechanisms in mosquito flagellar ears. | hearing is essential for the courtship of one of the major carriers of human disease, the mosquito. males locate females through flight-tone recognition and both sexes engage in mid-air acoustic communications, which can take place within swarms containing thousands of individuals. despite the importance of hearing for mosquitoes, its mechanisms are still largely unclear. we here report a multilevel analysis of auditory function across three disease-transmitting mosquitoes (aedes aegypti, anophe ... | 2018 | 30254270 |
| population structure of a vector of human diseases: aedes aegypti in its ancestral range, africa. | aedes aegypti, the major vector of dengue, yellow fever, chikungunya, and zika viruses, remains of great medical and public health concern. there is little doubt that the ancestral home of the species is africa. this mosquito invaded the new world 400-500 years ago and later, asia. however, little is known about the genetic structure and history of ae. aegypti across africa, as well as the possible origin(s) of the new world invasion. here, we use ~17,000 genome-wide single nucleotide polymorphi ... | 2018 | 30250667 |
| microbiome interaction networks and community structure from laboratory-reared and field-collected aedes aegypti, aedes albopictus, and culex quinquefasciatus mosquito vectors. | microbial interactions are an underappreciated force in shaping insect microbiome communities. although pairwise patterns of symbiont interactions have been identified, we have a poor understanding regarding the scale and the nature of co-occurrence and co-exclusion interactions within the microbiome. to characterize these patterns in mosquitoes, we sequenced the bacterial microbiome of aedes aegypti, ae. albopictus, and culex quinquefasciatus caught in the field or reared in the laboratory and ... | 2018 | 30250462 |