A5046512609- Vector-borne infectious diseases
- Parasitic Diseases Research and Treatment
- Study of Mite Species
- Viral Infections and Vectors
- Insect symbiosis and bacterial influences
- Insect-Plant Interactions and Control
- Mosquito-borne diseases and control
- Infectious Diseases and Mycology
- Evolution and Genetic Dynamics
- Insect and Arachnid Ecology and Behavior
- Malaria Research and Control
- Insect Utilization and Effects
- Animal and Plant Science Education
- Parasites and Host Interactions
- Parasite Biology and Host Interactions
- Mollusks and Parasites Studies
- Bartonella species infections research
- Viral Infections and Outbreaks Research
- Vector-Borne Animal Diseases
- Bird parasitology and diseases
- Dermatological diseases and infestations
- Collembola Taxonomy and Ecology Studies
- Insect and Pesticide Research
- Bacterial Identification and Susceptibility Testing
- Helminth infection and control
Colorado State University
2023-2025
Agricultural Research Service
2024
The Ohio State University
2018-2024
Georgia Southern University
2016-2018
Universidad de la República de Uruguay
2012-2015
The goal of this study was to reassess the taxonomic status A. maculatum, triste and tigrinum by phylogenetic analysis five molecular markers [four mitochondrial: 12S rDNA, 16S control region (DL) cytochrome c oxidase 1 (cox1), one nuclear: ribosomal intergenic transcribed spacer 2 (ITS2)]. In addition, phenotypic diversity adult ticks identified as maculatum from geographically distinct populations thoroughly re-examined.Microscopic examination four putative morphotypes distinguishable...
Abstract Dermacentor variabilis is the most widely distributed three-host tick in North America, and transmits a variety of pathogens. Within United States, this species has discontinuous distribution, widespread east Rocky Mountains with few populations west Rockies. Phylogenetic evidence based on individual markers or relatively small data sets suggested that at both sides geographic barrier may correspond to two different species. In study, we further explore hypothesis using an...
Reduction in malaria clinical cases is strongly dependent on the ability to prevent Anopheles infectious bites. Vector control strategies using long-lasting insecticidal nets and indoor residual spraying with insecticides have contributed significantly reduce incidence of many endemic countries, especially Sub-Saharan region. However, global progress reducing has plateaued since 2015 mostly due increased insecticide resistance behavioral changes vectors. Additional are thus required further...
Abstract Insects are a promising source of high-quality protein, and the insect farming industry will lead to higher sustainability when it overcomes scaling up, cost effectiveness, automation. In contrast (raising breeding insects as livestock), wild harvesting (collecting agricultural pests), may constitute simple sustainable animal protein supplementation strategy. For harvest be successful sufficient biomass needs collected while simultaneously avoiding collection nontarget insects. We...
The use of insects as animal feed has the potential to be a green revolution for agriculture are rich source high-quality protein. Insect farming must overcome challenges such product affordability and scalability before it can widely incorporated feed. An alternative is harvest insect pests from environment using mass trapping devices them For example, intensive agricultural environments generate large quantities pestiferous with right technologies, these used protein supplement in...
Dermacentor variabilis Say is a tick species widely distributed in North America, where it common pest, and acts as vector for many tick-borne pathogens that affect both humans livestock. In the United States, D. has discontinuous geographic distribution. It present eastwards of line drawn from Montana to southern Texas, few disjoint populations western Rockies intermountain region. been hypothesized groups may correspond different species. The aim this study was investigate population...
Range expansions are a potential outcome of changes in habitat suitability, which commonly result as consequence climate change. Hypotheses on such the geographic distribution certain species can be evaluated using population genetic structure and demography. In this study we explore structure, variability, demographic history of, suitability for Amblyomma americanum, North American tick that is known vector several pathogenic microorganisms. We used double digestion restriction...
Tick-borne diseases (TBDs) continue to emerge and re-emerge in several regions of the world, highlighting need for novel effective control strategies. The development strategies requires a better understanding TBDs ecology, given complexity these systems, interdisciplinary approaches are required. In recent years, microbiome vectors has received much attention, mainly because associations between native microbes pathogens may provide new promising path towards disruption pathogen...
Amblyomma americanum , a known vector of multiple tick-borne pathogens, has expanded its geographic distribution across the United States in past decades. Tick microbiomes may play role shaping their host’s life history and vectorial capacity. Bacterial communities associated with A . reflect, or enable, expansion studying microbiota will improve understanding disease ecology. We examined structure 189 adult ticks collected four regions encompassing historical current distribution. Both...
Abstract The prevalence of malaria parasite species in parts Africa is rapidly changing and influenced by detection methods. natural vector competence vectorial capacity African anophelines for human Plasmodium has only been well described P. falciparum unclear the context mixed non-falciparum infections. Over course two clinical trials (2015 2019-2020) testing ivermectin control same region Burkina Faso, we sampled participants’ blood their households Anopheles spp. mosquitoes tested these...
Abstract This study integrates biogeographical and phylogenetic data to determine the evolutionary history of New World Dermacentor, origin D. variabilis. The reconstructions presented here strongly support hypothesis an Afrotropical for with later dispersal Eurasia Nearctic. Phylogenetic suggest that genus reached through Beringia land bridge, from south-east Asia. monophyly is supported, most Dermacentor species appear as monophyletic. occidentals constitutes sister lineage variabilis,...
Reduction in malaria clinical cases is strongly dependent on the ability to prevent Anopheles infectious bites. Vector control strategies using long-lasting insecticidal nets and indoor residual spraying with insecticides have contributed significantly reduce incidence of many endemic countries, especially Sub-Saharan region. However, global progress reducing has plateaued since 2015 mostly due increased insecticide resistance behavioral changes vectors. Additional are thus required further...
Japanese encephalitis is a disease caused by the virus (JEV) and concern for U.S. military personnel stationed in Republic of Korea (ROK). The recent literature reports potential shift from GI to GV as dominant genotype circulating east Asia. In ROK, has been reported few
Abstract Hard ticks (Acari: Ixodidae) have been historically identified by morphological methods which require highly specialized expertise and more recently DNA-based molecular assays that involve high costs. Although both approaches provide complementary data for tick identification, each method has limitations restrict their use on large-scale settings such as regional or national surveillance programs. To overcome those obstacles, the matrix-assisted laser desorption/ionization...
Numerous tick species are undergoing significant range expansion in Canada, including several Dermacentor spp Koch (Acari: Ixodidae). With the recent description of similis Lado western United States, additional research is required to determine current this species. Five hundred ninety-eight spp. were collected from companion animals Canadian provinces British Columbia, Alberta, and Saskatchewan. Ticks morphologically identified species, followed by PCR gel electrophoresis ITS-2 partial...