insect vectors

DESCRIPTION (provided by applicant): Mosquitoes are the insect vectors for numerous blood-borne human diseases that cause millions of deaths each year worldwide...

..a deeper understanding of how mosquitoes function in their environment, leading to novel ways of controlling insect vectors of disease. My background in organismal biology, ecology, and biochemistry will help reach this goal...

..a deeper understanding of how mosquitoes function in their environment, leading to novel ways of controlling insect vectors of disease. My background in organismal biology, ecology, and biochemistry will help reach this goal...

..These findings have had a profound effect on our understanding of the relationship between insect vectors, the parasites they transmit, and the diseases they cause...

..These findings have had a profound effect on our understanding of the relationship between insect vectors, the parasites they transmit, and the diseases they cause...

..Our research may shed light on the interaction between arthropod-borne viruses and their insect vectors. Public Health Relevance: This Public Health Relevance is not available.

..and natural disasters all contribute to the development of conditions that modify the natural habitats of insect vectors. These complex problems can best be addressed through interdisciplinary approaches, as history has shown that ..

..cascade that stimulates insect ovulation and aid in the development of methods to control reproduction of insect vectors of human disease...

..within the lysosomal system of macrophages, eventually destroying these cells and 2) within their insect vectors (blood-sucking sandflies), they differentiate and multiply as, extracellular forms [promastigotes] within the ..

DESCRIPTION (provided by applicant): Zoonotic pathogens including those transmitted by insect vectors are some of the most deadly of all infectious diseases known to mankind...

..In collaboration with Balasz Sarkadi, we have generated Sf9 insect vectors to allow transfection in the high expression insect system...

DESCRIPTION (provided by applicant): Insect vectors of human disease infect hundreds of millions of individuals annually with deadly infectious diseases, including Malaria, Dengue and Yellow Fever, and West Nile Encephalitis...

..In insect vectors of human diseases, detection and killing of parasites are not highly effective, perhaps because certain ..

..and biological data on a novel virus group, the salivary gland hypertrophic viruses (SGHVs), which impacts insect vectors of both human and animal diseases...

..Specifically, the proposal will address the effect of antibody response and of replication in insect vectors, on virus survival and adaptation.

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..and biological data on a novel virus group, the salivary gland hypertrophic viruses (SGHVs), which impacts insect vectors of both human and animal diseases...

..provides an infrastructure and model for future infectious disease therapeutics research to combat the full spectrum of bacterial, fungal, unicellular, and multicellular parasites of man, as well as insect vectors of human disease.

..undescribed C-terminal similarity to histone H1 protein is shared among two closely related groups of insect vectors. The 5'-flanking sequences of the mosquito rpS6 gene will be compared to those of rpL8 and rpL34, and sites ..

..They will provide a tool to study the fate of heme in hematophagous insect vectors of disease, and may lead to the design of novel and effective ways to control insects of medical importance...

..Relevance: Innate immune responses are likely to affect the outcome of infections of insect vectors with the pathogens and parasites they transmit...

..numerous transmission mechanisms including inhalation, ingestion, skin contact, mucous membrane contact, and insect vectors. Little is known about the mechanisms of F. tularensis pathogenesis and host resistance. F...

..of chemical signaling processes in organisms applicable to development of therapeutics and management of insect vectors of human diseases...

..Understanding the molecular underpinnings of the insect immune response will clearly help in understanding the fate of pathogens in the blood of insect vectors of human diseases.

..insect and mammalian protein /V-glycosylation pathways could reveal ways to interrupt disease transmission by insect vectors or to control agriculturally important insect pests, which would have a major impact on human health. ..

..between insect and mammalian protein /V-glycosylation pathways could reveal ways to interrupt disease transmission by insect vectors or to control agriculturally important insect pests, which would have a major impact on human health.

..In addition, the molecular mechanisms by which baculoviruses regulate early gene transcription are directly relevant to insect vectors of human disease. Public Health Relevance: This Public Health Relevance is not available.

..The health relatedness is to provide information useful for the development of methods to control insect vectors of disease as well as to contribute to the understanding of fundamental processes of neuroendocrine and ..

..In addition, the molecular mechanisms by which baculoviruses regulate early gene transcription are directly relevant to insect vectors of human disease.

..In insect vectors of human diseases, initiation and control of this process may be interfered by proteins from pathogens or ..

..In insect vectors of human diseases, initiation and control of this process may be interfered by proteins from pathogens or ..

..with wildlife reservoirs or have resulted from Iarge-scale ecological changes that increase human exposure to insect vectors as well as to animal and environmental sources of disease...

..Understanding of insect taste may also be useful in controlling insect vectors of human disease, which receive gustatory cues from their human hosts...

..Understanding of insect taste may also be useful in controlling insect vectors of human disease, which receive gustatory cues from their human hosts...

..in a range of organisms including mammals, we anticipate that our findings will have practical applications in the control of insect vectors of human disease. Public Health Relevance: This Public Health Relevance is not available.

..The nuisance caused by higher mosquito density has brought people to comply with use of pyrethroid impregnated bed nets advocated for wide use by the National Malaria Control Program...

..The presence of Anopheles and Culex species ensured endemicity of malaria and filariasis, while the recovery of Ae. albopictus in this region suggests a possible outbreak of dengue fever in future if not properly controlled...

..e. effective antimalaria drugs and insecticidal bednets) that they may better afford for protection against the greater vectorial capacity of An. arabiensis from the ricefield agro-ecosystem...

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..The study of mosquito and arbovirus ecology in Carolina Bay habitats could provide more information on the transmission dynamics of arboviruses and its impact on human and animal arboviral disease occurrence in South Carolina...

..Bright, sunny ponds with steep sides and little vegetation generally produced the fewest mosquitoes. The associations among mosquito species and selected vegetation types are discussed...

..algeriensis in Aswan. A. multicolor and A. sergentii were found in Fayium, Aswan and El Wady El Gadeed; but in Kena A. sergentii was found as larvae and A. multicolor as adults...

..pipiens exhibited peak feeding activity after dusk and in predawn periods, as well as extended feeding periods up until midnight. Time of feeding is an important factor in evaluating vector-host associations and risks of human outbreaks...

..Such findings would be useful in promoting research aiming at the development of new agent for mosquito control based on bioactive chemical compounds from indigenous plant sources as an alternative to chemical larvicides...

..Our data demonstrate that agricultural tire habitats can be productive breeding sites for arbovirus vectors. As a consequence, these habitats should not be ignored in vector control and surveillance programs...

..It was recorded to be 2.72 times higher in Cx. quinquefasciatus and 1.54 times against An. stephensi. However, much difference was not observed in the slope values of temephos and fenthion in Ae. aegypti...

..Diversity indexes can be used to monitor changes in mosquito vector population in environments where abrupt disturbance can alter disease transmission cycles...

..Ecological and population biology issues constitute serious challenges to the application of genetically modified mosquitos (GMM) for disease control...

..Perhaps equally important in the context of natural disasters is to have the capacity to make a definitive diagnosis, and the dipsticks should be made available...

..Nevertheless, malaria transmission could recur if A. stephensi indoor resting density exceeds the critical threshold and imported malaria cases are not monitored...

..arabiensis to insecticides dichloro-diphenyl-trichloroethane (DDT), malathion and fenitrothion was 97.8%, 96.3% and 100% respectively. An. arabiensis is the sole malaria vector in the area and is perennial rather than seasonal...

..These findings are discussed in relation to previous reports of the behavior of An. minimus s.l., particularly in light of suggestions that An. minimus s.l. has changed its feeding behavior in response to DDT spraying...

..The vectorial efficiency of An. mascarensis and An. arabiensis would enable to maintain a low malarial endemicity in the Middle-West, even in the complete absence of An. funestus...

..Pyrethroid impregnated bednets should be used to prevent malaria especially since high mosquito nuisance drives local populations to use it and since the An. gambiae M form is particularly susceptible to this class of insecticides...

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..The presence of cattle may also have played an important role. Two mosquito-catching methods (human landing catch and spray catch) were compared...

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..Our results suggest that vector control targeted at malaria transmission hotspots and supplemented by larval control may be an effective approach for epidemic malaria control in the western Kenya highlands...

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..mascarensis, despite the presence of A. gambiae s.s. and A. funestus. These results are discussed with reference to the impact of irrigation on malaria in Africa ("the paddies paradox")...

..The malaria prevalence among children <10 years was only 3.3% (all P.falciparum) from 300 slides examined. These low rates seem to reflect recent success in malaria control in Eritrea...

..An. funestus constitutes 72.3% of the anopheline population. The estimated sporozoite rate was 1.2% and the average entomological inoculation rate for the area was 15 infective bites per person per year...

..sphaericus in some other environmentally compatible organisms have been investigated by different scientists...

..Its price is relatively high (3500 - 5000 FCFA). It is not constantly available on the local market. Other socio-cultural factors such as local beliefs and taboos hinder the use of mosquito nets by the communities...

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..We argue that SIT using transgenic material would provide an essentially safe and efficacious foundation for other possible approaches that are more ambitious...

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..According to the data collected regarding malaria history, climate, geography and socio-economic development, we assume that the receptivity level of the country is low and the risk of re-emergence of local foci is small...

..albopictus. Even at the lowest concentrations tested, Pesguard FG 161 showed adequate adulticidal properties. At higher dosages, water-based Pesguard FG 161 proved effective as a larvicide against all 4 mosquito species...

..larvae was also higher than Culex spp. Prevention of adult emerged and pupal mortality was the main activity of this compounds. The maximum time of efficacy was 7 days at the highest concentration (2 L/hectare)...

..043% after 24 hours and 0.026% after 48 hours of exposure, respectively. It is, therefore, concluded that Ajuga remota can be applied as an ideal larvicide against An. stephensi and Cx. quinquefasciatus...

..Given its high pathogenicity for both adult Anopheles and Culex mosquitoes we recommend development of novel targeted indoor application methods for the control of endophagic host-seeking females...

..For comprehensive vector implication and control, rock pools should be amongst the habitats of focus in yellow fever epidemiology...

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..Based on feeding behavior, Cx. pipiens and Cx. salinarius appear to be the most likely bridge vectors. Other species may have opportunities to be bridge vectors under special circumstances, as discussed in the paper...

..crucians, Ps. columbiae. Ae. albopictus, and Ochlerotatus atlanticus were captured in relatively high numbers with high engorgement rates and were therefore considered important horse-feeding species in the parish...

..Positive and negative attributes of each procedure, which may influence how and where they are used in surveillance programs, are discussed...

..aquasalis and Ae. aegypti, showing that rp49 could be used as a good constitutive control in gene expression studies of these and other vectorially important mosquito species...

..The isolate of RR from Ae. lineatopennis was the first reported from this species. The public health implications of these isolations in the Gulf Plains region are discussed briefly...

..The impact of ecological changes on mosquito fauna in Gorakhpur District is discussed. The role of culicine mosquitoes in disease transmission in the area is highlighted...

..albopictus in Catalonia, the increasing commerce of used tires in Spain for recycling, storage, and recapping might greatly contribute to the rapid spread of this species across the Iberian Peninsula...

..We recommend that fan-generated wind should be pursued as a practical means of protecting humans or pets from mosquitoes in the backyard setting...

..Overall, for this bacterial agent, the water-dispersible granule formulation has better prospects than the liquid formulation for the control of larvae of vector mosquitoes...

..For best results in this area of transition between stable and unstable malaria, we recommend earlier annual spraying (as soon as November) and extension of the OPID barrier towards western and northern slopes of the Plateau...

..4, 21.3, and 5.7 mg/l. The results indicate that the mosquitocidal effects of the extract of this plant were comparable to neem extract and certain synthetic chemical larvicides like fenthion, methoprene, etc...

..The system may also be used to monitor changes in anti-malarial drug resistance, in addition, to control of other vector-born diseases...

..In addition to efficacy, the choice of insecticide for malaria vector control should take into account their acceptability by human populations and their toxicity and persistence in the environment...

..Rice farmers who manage their ecosystems can reduce the burden of Anopheles mosquitoes, interrupt malaria transmission and prevent the destruction of ecosystems...

..Chloroquine consumption, sleeping under bednets, houses with ceilings, the use of insecticide aerosols and burning traditional mosquito repellents may all have contributed to the low prevalence of malaria in the study area...

..This calls for targeted interventions to facilitate agriculture-based rural development that might spur social and economic development and reduce inequities in sub-Saharan Africa...