Publications
| Title | Abstract | Year(sorted descending) Filter | PMID Filter |
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| the redox-sensing gene nrf2 affects intestinal homeostasis, insecticide resistance, and zika virus susceptibility in the mosquito aedes aegypti. | production and degradation of reactive oxygen species (ros) are extensively regulated to ensure proper cellular responses to various environmental stimuli and stresses. moreover, physiologically generated ros function as secondary messengers that can influence tissue homeostasis. the cap'n'collar transcription factor known as nuclear factor erythroid-derived factor 2 (nrf2) coordinates an evolutionarily conserved transcriptional activation pathway that mediates antioxidant and detoxification res ... | 2018 | 29685890 |
| dispersion and oviposition of aedes albopictus in a brazilian slum: initial evidence of asian tiger mosquito domiciliation in urban environments. | aedes albopictus, originally considered as a secondary vector for arbovirus transmission, especially in areas where this species co-exist with aedes aegypti, has been described in most regions of the world. dispersion and domiciliation of ae. albopictus in a complex of densely urbanized slums in rio de janeiro, southeastern brazil, was evidenced. in this study, we tested the hypotheses that 1) ae. albopictus distribution in urban slums is negatively related to distance from vegetation, and 2) th ... | 2018 | 29684029 |
| entomopathogenic fungal infection leads to temporospatial modulation of the mosquito immune system. | alternative methods of mosquito control are needed to tackle the rising burden of mosquito-borne diseases while minimizing the use of synthetic insecticides, which are threatened by the rapid increase in insecticide resistance in mosquito populations. fungal biopesticides show great promise as potential alternatives because of their ecofriendly nature and ability to infect mosquitoes on contact. here we describe the temporospatial interactions between the mosquito aedes aegypti and several entom ... | 2018 | 29684026 |
| dengue fever and aedes aegypti in indigenous brazilians: seroprevalence, risk factors, knowledge and practices. | dengue remains an important public health problem in brazil. we estimated the associated factors of dengue seroprevalence among native indians of the tremembé ethnic and their knowledge about the aspects related to the presence of mosquitoes of the genus aedes. | 2018 | 29673030 |
| susceptibility status and resistance mechanisms in permethrin-selected, laboratory susceptible and field-collected aedes aegypti from malaysia. | this study is intended to provide a comprehensive characterization of the resistance mechanisms in the permethrin-selected (imr-pss) and laboratory susceptible (imr-ls) aedes aegypti strain from malaysia. both imr-pss and imr-ls provide a standard model for use in assessing the pyrethroid resistance in field-collected strains collected from three dengue hotspots: the taman seri bayu (tsb), the flat camar (fc), and the taman dahlia (td). two established methods for determining the resistance mech ... | 2018 | 29670071 |
| locomotor activity in males of aedes aegypti can shift in response to females' presence. | the study of physiological and behavioral traits of mosquito vectors has been of growing relevance for the proposition of alternative methods for controlling vector-borne diseases. despite this, most studies focus on the female's traits, including the behavior of host seeking, the physiology of disease transmission and the site-choice for oviposition. however, understanding the factors that lead to males' reproductive success is of utmost importance, since it can help building new strategies for ... | 2018 | 29669591 |
| salinity tolerant aedes aegypti and ae. albopictus-infection with dengue virus and contribution to dengue transmission in a coastal peninsula. | aedes aegypti and ae. albopictus are major arboviral vectors that are considered to lay eggs, and undergo preimaginal development only in fresh water collections. however, recently they have been also shown to develop in coastal brackish water habitats. the ability of the biologically variant salinity-tolerant aedes vectors to transmit arboviral diseases is unknown. we therefore, investigated the infection of salinity-tolerant aedes mosquitoes with dengue virus (denv) and analysed dengue inciden ... | 2018 | 29916445 |
| screening of natural wolbachia infection in aedes aegypti, aedes taeniorhynchus and culex quinquefasciatus from guadeloupe (french west indies). | guadeloupe islands are threatened by several mosquito-borne viruses such as dengue, chikungunya, zika and west nile virus. it appears essential to look for alternative mosquito control methods such as the incompatible insect technique (itt) aiming at sterilizing wild females by inundative releases of incompatible males. before considering the implementation of such a strategy, the characterization of genetic diversity of the endocellular bacterium wolbachia regarding the local mosquito populatio ... | 2018 | 29908171 |
| prediction and prevention of urban arbovirus epidemics: a challenge for the global virology community. | the recent emergence and rapid spread of zika virus in tropical regions of the western hemisphere took arbovirologists and public health officials by surprise, and the earlier transfers of west nile and chikungunya viruses from the old to the new world were also unexpected. these pandemics underscore the increasing threat of zoonotic arboviruses, especially those that are capable of entering into human-amplified, urban transmission cycles transmitted by aedes (stegomyia) aegypti and sometimes ot ... | 2018 | 29906475 |
| lack of evidence for natural wolbachia infections in aedes aegypti (diptera: culicidae). | wolbachia is a genus of endosymbiotic bacteria that infects 66% of all insect species. its major impact on insects is in reproduction: sterility, production of one sex, and/or parthenogenesis. another effect was discovered when the disease-transmitting mosquito, aedes aegypti linnaeus (diptera: culicidae), was infected with wolbachia isolated from drosophila: infected female mosquitoes became less capable of transmitting diseases such as dengue fever and chikungunya. this has led to releases of ... | 2018 | 29901734 |
| restoration of pyrethroid susceptibility in a highly resistant aedes aegypti population. | insecticide resistance has evolved in disease vectors worldwide, creating the urgent need to either develop new control methods or restore insecticide susceptibility to regain use of existing tools. here we show that phenotypic susceptibility can be restored in a highly resistant field-derived strain of aedes aegypti in only 10 generations through rearing them in the absence of insecticide. | 2018 | 29899128 |
| signifying zika: heterogeneity in the representations of the virus by history of infection. | despite having been broadly advertised by the mass media, many negative consequences of the zika virus have been less significant than originally predicted. it is likely that after a few months from the epidemic's onset, personal experience with the virus has altered the person's way to deal with the disease. this study explores the relation between exposure to zika virus and the social representation of the epidemic. more specifically, one analyzes if increased exposure to the risk of zika infe ... | 2018 | 29898004 |
| evaluation of the effects of the larvicides temephos on reproductive performance, embryofetal development and dna integrity of swiss mice. | temephos is considered the gold standard by the ministry of health for controlling the larvae of the mosquito aedes aegypti. the present study evaluated the effects of temephos larvicide on the reproductive performance, embryo-fetal development and dna integrity of swiss mice. this study used 30 pregnant female mice: 10 were controls treated with drinking water at a dosage of 0.1 ml/10 g (body weight - b.w., administered orally - a.o.), and 20 were treated with temephos at doses of 0.0043 mg/kg ... | 2018 | 29891373 |
| what does the future hold for yellow fever virus? (i). | the recent resurgence of yellow fever virus (yfv) activity in the tropical regions of africa and south america has sparked renewed interest in this infamous arboviral disease. yellow fever virus had been a human plague for centuries prior to the identification of its urban transmission vector, the aedes (stegomyia) aegypti (linnaeus) mosquito species, and the development of an efficient live-attenuated vaccine, the yf-17d strain. the combination of vector-control measures and vaccination campaig ... | 2018 | 29890711 |
| a transcriptomic survey of the impact of environmental stress on response to dengue virus in the mosquito, aedes aegypti. | populations of aedes aegypti naturally exhibit variable susceptibility to dengue viruses. this natural variation can be impacted by nutritional stress resulting from larval-stage crowding, indicating the influence of environment components on the adult mosquito immune response. in particular, larval crowding was previously shown to reduce the susceptibility of adult females of a trinidad field isolate of a. aegypti to the dengue serotype 2 (jam1409) virus. here, we present the first whole transc ... | 2018 | 29889847 |
| target and non-target toxicity of fern extracts against mosquito vectors and beneficial aquatic organisms. | dengue and malaria are significant mosquito-borne diseases that are rapidly spread worldwide, mainly in temperate countries. pteridophytes were identified to be a significant source of novel mosquitocidal agents. the present research was to explore the eco-friendly larvicides from methanol extracts of ferns, viz., actiniopteris radiata, adiantum caudatum, cheilanthes swartzii, hemionitis arifolia and lycopodium clavatum. the larvicidal potential of the extracts screened using larvae of dengue ve ... | 2018 | 29885618 |
| viral determinants and vector competence of zika virus transmission. | zika virus (zikv) has emerged as a new global health threat. since its first discovery in zika forest in uganda, this virus has been isolated from several mosquito species, including aedes aegypti and aedes albopictus. the geographical distribution of these mosquito species across tropical and subtropical regions has led to several outbreaks, including the recent pandemic in brazil, followed by the pacific islands and other areas of north and south america. this has gained attention of the scien ... | 2018 | 29875751 |
| multiscale approach to deciphering the molecular mechanisms involved in the direct and intergenerational effect of ibuprofen on mosquito aedes aegypti. | the anti-inflammatory ibuprofen is a ubiquitous surface water contaminant. however, the chronic impact of this pharmaceutical on aquatic invertebrate populations remains poorly understood. in model insect aedes aegypti, we investigated the intergenerational consequences of parental chronic exposure to an environmentally relevant concentration of ibuprofen. while exposed individuals did not show any phenotypic changes, their progeny showed accelerated development and an increased tolerance to sta ... | 2018 | 29874051 |
| effects of temephos, permethrin, and eucalyptus nitens essential oil on survival and swimming behavior of aedes aegypti and anopheles pseudopunctipennis (diptera: culicidae) larvae. | an essential strategy to deal with mosquito-borne diseases is the control of larvae in their development sites. the mosquitoes anopheles pseudopunctipennis (theobald) (diptera: culicidae), a malaria vector, and aedes aegypti (l.) (diptera: culicidae), vector of dengue, zika, yellow fever, and chikungunya viruses, breed in very different habitats. insecticide treatments of mosquito larvae focus mainly on their lethal effects. however, insecticide degradation or the poor dosage of larvicides will ... | 2018 | 29873741 |
| vertical transmission of dengue virus in the yogyakarta airport area. | international health regulations controls international travel including human movement, disease vector, and imported items to prevent the spread of dengue, especially in seaports, airports, and border crossing posts. this study aimed to determine dengue transovarial transmission index (tti) and distribution of dengue virus in the areas around adisucipto airport of yogyakarta, indonesia. | 2018 | 29871615 |
| differential effects of temperature and mosquito genetics determine transmissibility of arboviruses by aedes aegypti in argentina. | aedes aegypti (l.) (diptera: culicidae) have a global distribution and are the primary vector of a number of mosquito-borne viruses responsible for epidemics throughout the americas. as in much of south america, the threat from pathogens including dengue virus (denv; flaviviridae, flavivirus) and chikungunya virus (chikv; togaviridae, alphavirus) has increased in argentina in recent years. the complexity of transmission cycles makes predicting the occurrence and intensity of arbovirus outbreaks ... | 2018 | 29869610 |
| serosurvey of human antibodies recognizing aedes aegypti d7 salivary proteins in colombia. | dengue is one of the most geographically significant mosquito-borne viral diseases transmitted by aedes mosquitoes. during blood feeding, mosquitoes deposit salivary proteins that induce antibody responses. these can be related to the intensity of exposure to bites. some mosquito salivary proteins, such as d7 proteins, are known as potent allergens. the antibody response to d7 proteins can be used as a marker to evaluate the risk of exposure and disease transmission and provide critical informat ... | 2018 | 29868532 |
| effect of the topical repellent para-menthane-3,8-diol on blood feeding behavior and fecundity of the dengue virus vector aedes aegypti. | dengue fever is an acute disease caused by the dengue virus and transmitted primarily by the mosquito aedes aegypti. the current strategy for dengue prevention is vector control including the use of topical repellents to reduce mosquito biting. although n,n-diethyl-m-methylbenzamide (deet) is the most common active ingredient in topical repellent products, para-menthane-3,8-diol (pmd) is also used commercially. studies have indicated pmd reduced biting by 90⁻95% for up to 6⁻8 h, similar to the e ... | 2018 | 29867036 |
| pyrethroid resistance in the dengue vector aedes aegypti in southeast asia: present situation and prospects for management. | human arboviral diseases transmitted by aedes aegypti such as dengue, zika, chikungunya and yellow fever remain global public health threats to date. of these diseases, dengue fever is particularly prevalent in southeast asia. relentless vector control efforts are performed to curtail disease transmissions through which pyrethroid insecticides are broadly used as the first line of defense to control ae. aegypti, especially in the course of disease outbreaks. here, we compile the largest contempo ... | 2018 | 29866193 |
| molecular and functional characterization of single-box high-mobility group b (hmgb) chromosomal protein from aedes aegypti. | high-mobility group b (hmgb) proteins have highly conserved, unique dna-binding domains, hmg boxes, that can bind non-b-type dna structures, such as bent, kinked and unwound structures, with high affinity. hmgb proteins also promote dna bending, looping and unwinding. in this study, we determined the role of the aedes aegypti single hmg-box domain protein aahmgb; characterized its structure, spatiotemporal expression levels, subcellular localization, and nucleic acid binding activities; and comp ... | 2018 | 29859286 |
| technologies to combat aedes mosquitoes: a model based on smart city. | aedes aegypti and aedes albopictus mosquitoes are responsible for the transmission of diseases such as dengue fever, yellow fever, chikungunya fever, zika virus fever, some of which can cause irreversible central nervous system problems and death. this study investigates what technologies are being used for combatting and monitoring the aedes mosquitoes and to propose joining these technologies into a single and complete solution using the smart cities concept. a search for newscasts on google a ... | 2018 | 29857404 |
| exposure of a diurnal mosquito vector to floral mimics: foraging responses, feeding patterns, and significance for sugar bait technology. | food location by mosquitoes is mediated by resource-derived olfactory and visual signals. smell sensation is intermittent and dependent on the environment, whereas visual signals are continual and precede olfactory cues. success of mosquito bait technology, where olfactory cues are used for attraction, is being impeded by reduced attractiveness. despite proof that mosquitoes respond to colored objects, including those mimicking floral shape, and that they can discriminate among flowers, the impa ... | 2018 | 29856985 |
| the awed trial (applying wolbachia to eliminate dengue) to assess the efficacy of wolbachia-infected mosquito deployments to reduce dengue incidence in yogyakarta, indonesia: study protocol for a cluster randomised controlled trial. | dengue and other arboviruses transmitted by aedes aegypti mosquitoes, including zika and chikungunya, present an increasing public health challenge in tropical regions. current vector control strategies have failed to curb disease transmission, but continue to be employed despite the absence of robust evidence for their effectiveness or optimal implementation. the world mosquito program has developed a novel approach to arbovirus control using ae. aegypti stably transfected with wolbachia bacter ... | 2018 | 29855331 |
| a highly secure method for rearing aedes aegypti mosquitoes. | vector-borne infectious diseases are caused by pathogenic microorganisms transmitted mainly by blood-sucking arthropod vectors. in laboratories, the handling of insects carrying human pathogens requires extra caution because of safety concerns over their escape risk. based on standard insect containment practices, there have been cases where costly enhancements were required to definitely protect laboratory workers and neighbors from potential infection through mosquito bites. here, we developed ... | 2018 | 29849477 |
| dengue in singapore from 2004 to 2016: cyclical epidemic patterns dominated by serotypes 1 and 2. | singapore has experienced periodic dengue epidemics despite maintaining a low aedes house index. each epidemic was associated with a switch in the predominant serotype. we investigated the temporal dynamics of dengue fever and dengue virus (denv) and analyzed the epidemiological and entomological patterns of dengue in singapore from 2004 to 2016. the case surveillance is based on a mandatory notification system that requires all medical practitioners to report clinically suspected and laboratory ... | 2018 | 29848407 |
| report of chikungunya virus in wild populations of aedes aegypti in guerrero state, mexico. | we detected vertical transmission of chikungunya virus (chikv) in wild populations of aedes aegypti from san marcos, guerrero, mexico, with real-time reverse transcriptase-polymerase chain reaction. a total of 20 pools (1-11 specimens/pool) of larvae, male, and female mosquitoes were tested. we report the detection of chikv in 2 of 11 larval pools, 4 of 5 male pools, and 1 of 4 female pools, from field-collected mosquitoes. | 2018 | 31442150 |
| a survey of the mosquito species in maxcanu, yucatan, mexico. | a survey was carried out to identify the mosquitoes inhabiting human premises in the rural locality of maxcanú, yucatán, mexico. using the centers for disease control and prevention backpack aspirators, simple random sampling was carried out inside of 101 homes during the november 2013 rainy season. a total of 1,492 specimens were collected. three subfamilies (anophelinae, culicinae, and toxorhynchitinae) and 5 species were identified: anopheles albimanus, aedes aegypti, culex interrogator, lima ... | 2018 | 31442149 |
| a survey of the mosquitoes of kosrae state, federated states of micronesia, 2016. | in response to an outbreak of zika virus that started in february 2016 on kosrae island, kosrae state, federated states of micronesia, we conducted entomological investigations, including a survey to characterize the mosquito fauna on kosrae, from november 29 to december 8, 2016. mosquitoes were collected using several surveillance methods in order to sample all stages of the mosquito life cycle. eggs were collected using ovicups, larvae and pupae were sampled using standard dippers, and adults ... | 2018 | 31414080 |
| [knowledge and practices in aedes aegypti control among different social subjects in salvador, bahia state, brazil]. | due to the persistence of dengue and other arbovirus infections in brazil, the government has stepped up measures to combat the aedes aegypti mosquito vector. the responsibilities of community endemic disease workers (cedw) and community health workers (chw) include acting as intermediaries and disseminating knowledge in the community. the aim of this study was to analyze knowledge and practices in dengue control by different social subjects: residents and cedw/chw. interviews were held with res ... | 2018 | 29846399 |
| follow up of a robust meta-signature to identify zika virus infection in aedes aegypti: another brick in the wall. | the mosquito aedes aegypti is the main vector of several arthropod-borne diseases that have global impacts. in a previous meta-analysis, our group identified a vector gene set containing 110 genes strongly associated with infections of dengue, west nile and yellow fever viruses. of these 110 genes, four genes allowed a highly accurate classification of infected status. more recently, a new study of ae. aegypti infected with zika virus (zikv) was published, providing new data to investigate wheth ... | 2018 | 29846381 |
| the use of wolbachia by the world mosquito program to interrupt transmission of aedes aegypti transmitted viruses. | the biological control of mosquito transmission by the use of the naturally occurring insect-specific bacterial endosymbiont wolbachia has been successfully tested in small field trials. the approach has been translated successfully to larger field sites in townsville, australia and expanded to more than 10 countries through the eliminate dengue program. the broader application of the program beyond limiting the transmission of dengue and including other aedes aegypti borne mosquitoes has seen t ... | 2018 | 29845544 |
| structures of zika virus e & ns1: relations with virus infection and host immune responses. | zika virus (zikv), first discovered in the zika forest in uganda in 1947 was understudied until the recent explosive epidemic in several south american countries where it has become strongly associated with congenital birth defects leading to severe cranial malformations and neurological conditions. the increase in number of case of microcephaly in newborn children associated with zikv infection triggered the world health organization to declare the epidemic as a public health emergency of inter ... | 2018 | 29845526 |
| back-to-the-future potential for autochthonous transmission of aedes aegypti-transmitted viruses in ethekwini and urban coastal kwazulu-natal province, south africa. | 2018 | 29843848 | |
| the risk of urban yellow fever resurgence in aedes-infested american cities. | aedes aegypti, historically known as yellow fever (yf) mosquito, transmits a great number of other viruses such as dengue, west nile, chikungunya, zika, mayaro and perhaps oropouche, among others. well established in africa and asia, aedes mosquitoes are now increasingly invading large parts of the american continent, and hence the risk of urban yf resurgence in the american cities should because of great concern to public health authorities. although no new urban cycle of yf was reported in the ... | 2018 | 29843824 |
| evaluation of larvicidal, adulticidal, and anticholinesterase activities of essential oils of illicium verum hook. f., pimenta dioica (l.) merr., and myristica fragrans houtt. against zika virus vectors. | aedes aegypti is the vector responsible for transmitting pathogens that cause various infectious diseases, such as dengue, zika, yellow fever, and chikungunya, worrying health authorities in the tropics. due to resistance of mosquitoes to synthetic insecticides, the search for more effective insecticidal agents becomes crucial. the aim of this study was to verify the larvicidal, adulticidal, and anticholinesterase activities of the essential oils of the illicium verum (eoiv), pimenta dioica (eop ... | 2018 | 29808407 |
| rapid, noninvasive detection of zika virus in aedes aegypti mosquitoes by near-infrared spectroscopy. | the accelerating global spread of arboviruses, such as zika virus (zikv), highlights the need for more proactive mosquito surveillance. however, a major challenge during arbovirus outbreaks has been the lack of rapid and affordable tests for pathogen detection in mosquitoes. we show for the first time that near-infrared spectroscopy (nirs) is a rapid, reagent-free, and cost-effective tool that can be used to noninvasively detect zikv in heads and thoraces of intact aedes aegypti mosquitoes with ... | 2018 | 29806030 |
| impact of short-term temperature challenges on the larvicidal activities of the entomopathogenic watermold leptolegnia chapmanii against aedes aegypti, and development on infected dead larvae. | the oomycete leptolegnia chapmanii is among the most promising entomopathogens for biological control of aedes aegypti. this mosquito vector breeds in small water collections, where this aquatic watermold pathogen can face short-term scenarios of challenging high or low temperatures during changing ambient conditions, but it is yet not well understood how extreme temperatures might affect the virulence and recycling capacities of this pathogen. we tested the effect of short-term exposure of ency ... | 2018 | 29801786 |
| vapor toxicity of five volatile pyrethroids against aedes aegypti, aedes albopictus, culex quinquefasciatus, and anopheles quadrimaculatus (diptera: culicidae). | mosquito mortality has been documented in numerous studies of spatial repellents but the concentration-dependent toxicity of spatial repellent vapors has not been documented. to address this issue, prallethrin, flumethrin, metofluthrin, transfluthrin, and meperfluthrin were selected for comparative study against aedes albopictus (skuse), ae. aegypti (l.), culex quinquefasciatus say, and anopheles quadrimaculatus say. mosquito were exposed to vapors of each chemical for 2, 4, and 24 h with mortal ... | 2018 | 29797795 |
| codon adaptation biases among sylvatic and urban genotypes of dengue virus type 2. | dengue virus (denv) emerged from the sylvatic environment and colonized urban settings, being sustained in a human-aedes-human transmission chain, mainly by the bites of females of the anthropophilic species aedes aegypti. herein, we sought evidence for fine-tuning in viral codon usage, possibly due to viral adaptation to human transmission. we compared the codon adaptation of denv serotype 2 (denv-2) genotypes from urban and sylvatic habitats and tried to correlate the findings with key evoluti ... | 2018 | 29792991 |
| surveillance of mosquitoes (diptera: culicidae) in southern iowa, 2016. | the mosquito fauna of iowa has been extensively investigated over several decades, providing a wealth of information regarding species distributions, relative abundance, temporal activity patterns, and identifying vectors of medical importance. however, these investigations have had unequal coverage, leaving the mosquito fauna in some parts of the state, including southern iowa, largely uncharacterized. with the heightened public health threat of zika virus in the summer of 2016, greater emphasi ... | 2018 | 29788488 |
| threshold dynamics of a temperature-dependent stage-structured mosquito population model with nested delays. | mosquito-borne diseases remain a significant threat to public health and economics. since mosquitoes are quite sensitive to temperature, global warming may not only worsen the disease transmission case in current endemic areas but also facilitate mosquito population together with pathogens to establish in new regions. therefore, understanding mosquito population dynamics under the impact of temperature is considerably important for making disease control policies. in this paper, we develop a sta ... | 2018 | 29785519 |
| a multi-faceted pandemic: a review of the state of knowledge on the zika virus. | while until recently the small and isolated zika outbreaks in eastern asia and pacific islands had been overlooked, the large-scale outbreak that started in brazil in 2015 and the increase of microcephaly cases in the same place and time made media headlines. considered as harmless until recently, zika has given rise to an important global crisis that poses not only health challenges but also environmental, economical, social, and ethical challenges for states and people around the world. the ma ... | 2018 | 29785319 |
| modelling the distribution of the vector aedes aegypti in a central argentine city. | aedes aegypti (diptera: culicidae) is an urban mosquito involved in the transmission of numerous viruses, including dengue, chikungunya and zika. in argentina, ae. aegypti is the main vector of dengue virus and has been involved in several outbreaks in regions ranging from northern to central argentina since 2009. in order to evaluate areas of potential vector-borne disease transmission in the city of córdoba, argentina, the present study aimed to identify the environmental, socioeconomic and de ... | 2018 | 30027565 |
| assessment of insecticide resistance in primary dengue vector, aedes aegypti (linn.) from northern districts of west bengal, india. | aedes mosquitoes are the major vectors transmitting several arboviral diseases such as dengue, zika and chikungunya worldwide. northern districts of west bengal is home to several epidemics vectored by mosquito including dengue infections, proper control of which depends on efficient vector control. however the onset of insecticide resistance has resulted in failure of vector control approaches. this study was carried out to unveil the level of insecticide resistance prevailing among the primary ... | 2018 | 30026024 |
| copy number variation (cnv) and insecticide resistance in mosquitoes: evolving knowledge or an evolving problem? | copy number variation (cnv) in insect genomes is a rich source of potentially adaptive polymorphism which may help overcome the constraints of purifying selection on conserved genes and/or permit elevated transcription. classic studies of amplified esterases and acetylcholinesterase duplication in culex pipiens quantified evolutionary dynamics of cnv driven by insecticidal selection. a more complex and potentially medically impactful form of cnv is found in anopheles gambiae, with both heterogen ... | 2018 | 30025639 |
| melanization of dirofilaria immitis larvae in different culicid species. | dirofilaria immitis is an important filarioid transmitted by culicids. the vector role of these arthropods may be influenced by biological events as melanization against d. immitis larvae. this study aimed to detect the occurrence of melanization in culex quinquefasciatus, aedes (stegomyia) aegypti and aedes (stegomyia) albopictus experimentally infected with d. immitis. | 2018 | 30018997 |
| the use of insecticide-treated curtains for control of aedes aegypti and dengue virus transmission in "fraccionamiento" style houses in méxico. | dengue, chikungunya, yellow fever, and zika viruses transmitted by aedes aegypti mosquitoes are major public health threats in the tropical and subtropical world. in méxico, construction of large tracts of "fraccionamientos" high density housing to accommodate population growth and urbanization has provided fertile ground for ae. aegypti-transmitted viruses. we investigated the utility of pyrethroid-treated window curtains to reduce both the abundance of ae. aegypti and to prevent dengue virus ( ... | 2018 | 30018645 |
| zika virus outbreak in the pacific: vector competence of regional vectors. | in 2013, zika virus (zikv) emerged in french polynesia and spread through the pacific region between 2013 and 2017. several potential aedes mosquitoes may have contributed to the zikv transmission including aedes aegypti, the main arbovirus vector in the region, and aedes polynesiensis, vector of lymphatic filariasis and secondary vector of dengue virus. the aim of this study was to analyze the ability of these two pacific vectors to transmit zikv at a regional scale, through the evaluation and ... | 2018 | 30016372 |
| molecular characterization of the cry gene profile of bacillus thuringiensis isolated from a caribbean region of colombia. | in order to characterize native strains of bacillus thuringiensis of the colombian caribbean with toxic effect against insect vectors, 28 samples of bacteria identified as b. thuringiensis were isolated from different soils and muds around the city of valledupar. using a biological test, five isolates of b. thuringiensis showed toxic effect against larvae of aedes aegypti. pcr methods were used to detect cry1, cry2, cry4b, cry10 and cyt1 genes. cry1 and cry2 genes were detected in 35.7% and 32.1 ... | 2018 | 30015421 |
| 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 |