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23 results for “Arbovirus”
Fig. 1 in First report of kdr mutations in the voltage-gated sodium channel gene in the arbovirus vector, Aedes aegypti, from Nouakchott, Mauritania
Fig. 1 The combinations of kdr point mutations S989P, V1016G, and F1534C in adult female Aedes aegypti mosquitoes in Nouakchott, Mauritania
Data from: Sex-biased avian host use by arbovirus vectors
Prevalence of arthropod-borne parasites often differs drastically between host sexes. This sex-related disparity may be related to physiological (primarily hormonal) differences that facilitate or suppress replication of the pathogen in host tissues. Alternately, differences in pathogen prevalence between host sexes may be owing to differential exposure to infected vectors. Here, we report on the use of PCR-based assays recognizing bird sex chromosomes to investigate sex-related patterns of avian host use from field-collected female mosquitoes from Florida, USA. Mosquitoes took more bloodmeals from male birds (64.0% of 308 sexed samples) than female birds (36.0%), deviating significantly from a hypothetical 1:1 sex ratio. In addition, male-biased host use was consistent across mosquito species (Culex erraticus (64.4%); Culex nigripalpus (61.0%) and Culiseta melanura (64.9%)). Our findings support the hypothesis that sex-biased exposure to vector-borne pathogens contributes to disparities in parasite/pathogen prevalence between the sexes. While few studies have yet to investigate sex-biased host use by mosquitoes, the methods used here could be applied to a variety of mosquito-borne disease systems, including those that affect health of humans, domestic animals and wildlife. Understanding the mechanisms that drive sex-based disparities in host use may lead to novel strategies for interrupting pathogen/parasite transmission.
Data from: Biotic and abiotic factors shape the microbiota of wild-caught populations of the arbovirus vector Culicoides imicola
Biting midges of the genus Culicoides are known vectors of arboviruses affecting human and animal health. However, little is known about Culicoides imicola microbiota and its influence on this insect's biology. In this study, the impact of biotic and abiotic factors on C. imicola microbiota was characterized using shotgun-metagenomic sequencing of whole body DNA samples. Wild-caught C. imicola adult nulliparous females were sampled in two locations from Sicily, Italy. The climatic variables of temperature and soil moisture from both localities were recorded together with potential host blood meal sources. Shared core microbiome among C. imicola populations included Pseudomonas, Escherichia, Halomonas, Candidatus Zinderia, Propionibacterium, and Schizosaccharomyces. Specific and unique taxa were also found in C. imicola from each location, highlighting similarities and differences in microbiome composition between both populations. DNA and protein identification showed differences in host preferences between both populations with Homo sapiens and Canis lupus familiaris L. being the preferred blood meal source in both locations. A principal component analysis showed that the combined effect of host preferences (H. sapiens) and local soil moisture factors shape the microbiome composition of wild-caught populations of C. imicola. These results contribute to characterizing the role of the microbiome in insect adaptation and its utility in predicting geographic expansion of Culicoides species with potential implications for the control of vector-borne diseases.
Genetic Evolution of Arboviruses in New Caledonia Between 1995 and 2024 and Impact of Wolbachia
ClinicalTrials.gov study NCT04615364. IPD Sharing: Not stated. Countries: 1. Publications: 1.
Cohort of Patients Infected by an Arbovirus
ClinicalTrials.gov study NCT01099852. IPD Sharing: UNDECIDED. Countries: 5. Publications: 2.
Neurologic Manifestations of the Arbovirus Infection in Colombia
ClinicalTrials.gov study NCT03206541. IPD Sharing: YES. Countries: 1. Publications: 4.
Zika Virus and Related Arbovirus Infections in Deferred Blood Donors (ZVADD)
ClinicalTrials.gov study NCT02794181. IPD Sharing: Not stated. Countries: 1. Publications: 3.
Data from: Dispersing hemipteran vectors have reduced arbovirus prevalence
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Detection and genetic characterization of arboviruses and other viruses from mosquitoes collected in Southeastern and Central Senegal, October 2022
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Data from: A low technology emanator treated with the volatile pyrethroid transfluthrin confers long term protection against outdoor biting vectors of lymphatic filariasis, arboviruses and malaria
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Data from: Biotic and abiotic factors shape the microbiota of wild-caught populations of the arbovirus vector Culicoides imicola
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Patterns of mosquito and arbovirus community composition and ecological indexes of arboviral risk in the northeast United States
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Data from: Sex-biased avian host use by arbovirus vectors
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Data from: Long-term shifts in the seasonal abundance of adult Culicoides biting midges and their impact on the potential for arbovirus outbreaks
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Sandfly saliva reprogrammes skin fibroblasts to enhance arbovirus infection
GEO Series GSE297255. Mus musculus. 11 samples. Type: Expression profiling by high throughput sequencing.
Human Epidemiology of Newly Identified Arboviruses
ClinicalTrials.gov study NCT04954352. IPD Sharing: UNDECIDED. Countries: 1. Publications: 0.
ARBOspot: Characterization of Arbovirus Specific T Cell Response in Patients by Using Enzyme Linked Immunospot (ELISpot) Assays
ClinicalTrials.gov study NCT07291206. IPD Sharing: Not stated. Countries: 1. Publications: 0.
Cohort Study of Arbovirus and Other Emerging Virus Infections in Fiji: AEVI-Fiji Cohort.
ClinicalTrials.gov study NCT07229677. IPD Sharing: Not stated. Countries: 1. Publications: 0.
Virological and Immunological Determinants of Arbovirus Infection in New Caledonia
ClinicalTrials.gov study NCT04619823. IPD Sharing: Not stated. Countries: 1. Publications: 0.
Spatial Repellents for Arbovirus Control
ClinicalTrials.gov study NCT03553277. IPD Sharing: Not stated. Countries: 1. Publications: 0.
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Allen Brain Atlas
Allen Brain Atlas is an Allen Institute collection of brain map atlases, datasets, APIs, and analysis tools covering mouse, human, and non-human primate brain resources.
Annotated Behaviour and Observability Dataset (ABODe)
ABODe is a University of Edinburgh DataShare dataset for behavior classification in group-housed mice using home-cage video, identities, bounding boxes, ground-plate positions, and annotator labels.
DANDI Archive for NWB datasets
DANDI is a BRAIN Initiative archive for publishing and sharing neurophysiology data, including electrophysiology, optophysiology, and behavioral data packaged as NWB and related standards.
International Brain Laboratory public data
The International Brain Laboratory public data releases expose standardized mouse decision-making experiments, including Neuropixels recordings, widefield calcium imaging, behavior, and session metadata accessed through the ONE API.
OpenNeuro
OpenNeuro is a free, open platform for sharing neuroimaging datasets, with public search, dataset pages, and download paths for web, S3, DataLad, and the OpenNeuro CLI.