A5062548424- Viral Infections and Vectors
- Vector-borne infectious diseases
- Mosquito-borne diseases and control
- Invertebrate Immune Response Mechanisms
- Insect Resistance and Genetics
- Malaria Research and Control
- Insect symbiosis and bacterial influences
- Vector-Borne Animal Diseases
- Insect and Pesticide Research
- Insect and Arachnid Ecology and Behavior
- Insect Pest Control Strategies
- Hemiptera Insect Studies
- Neurobiology and Insect Physiology Research
- Insect Utilization and Effects
- Zoonotic diseases and public health
- Economic and Environmental Valuation
- Yersinia bacterium, plague, ectoparasites research
- Forest Insect Ecology and Management
- Chromosomal and Genetic Variations
- Entomopathogenic Microorganisms in Pest Control
- Animal and Plant Science Education
- Studies on Chitinases and Chitosanases
- Plant Pathogens and Fungal Diseases
- Animal Disease Management and Epidemiology
- Antimicrobial Peptides and Activities
University of Wisconsin–Madison
2015-2024
Vector (United States)
2020
Madison Area Technical College
2019
Advanced Neural Dynamics (United States)
2015
Johns Hopkins University
2007
University of California, Riverside
2007
Imperial College London
2007
University of Geneva
2007
Michigan State University
1996
Division of Parasitic Diseases and Malaria
1989-1994
We have identified 242 Anopheles gambiae genes from 18 gene families implicated in innate immunity and detected marked diversification relative to Drosophila melanogaster. Immune-related involved recognition, signal modulation, effector systems show a deficit of orthologs excessive expansions, possibly reflecting selection pressures different pathogens encountered these insects' very life-styles. In contrast, the multifunctional Toll transduction pathway is substantially conserved,...
Mosquitoes are vectors of parasitic and viral diseases immense importance for public health. The acquisition the genome sequence yellow fever Dengue vector, Aedes aegypti (Aa), has enabled a comparative phylogenomic analysis insect immune repertoire: in Aa, malaria vector Anopheles gambiae (Ag), fruit fly Drosophila melanogaster (Dm). Analysis signaling pathways response modules reveals both conservative rapidly evolving features associated with different functional gene categories...
The anopheline mosquito is the target in most malaria control programs, primarily through use of residual insecticides. A was studied that refractory to species a genetically controlled mechanism. strain Anopheles gambiae, which selected for complete refractoriness simian parasite Plasmodium cynomolgi, also has varying degrees other examined, including human parasites P. falciparum, ovale, and vivax this principal African vector. Furthermore, extends subhuman primate malarias, rodent...
Ehrlichiosis is a clinically important, emerging zoonosis. Only Ehrlichia chaffeensis and E. ewingii have been thought to cause ehrlichiosis in humans the United States. Patients with suspected routinely undergo testing ensure proper diagnosis ascertain cause.
The distribution and abundance of Ixodes scapularis were studied in Wisconsin, northern Illinois, portions the Upper Peninsula Michigan by inspecting small mammals for ticks collecting questing at 138 locations state parks natural areas. Environmental data gathered a local level (i.e., micro meso levels), geographic information system (GIS) was used with several digitized coverages environmental to create habitat profile each site grid map Wisconsin Illinois. Results showed that presence I....
Abstract. A nonradiometric method has been developed for distinguishing between the sibling species Anopheles gambiae Giles and An.arabiensis Patton, two important Afrotropical vectors of malaria. DNA fragments diagnostic length are amplified by polymerase chain reaction (PCR) from a small amount unknown three different PCR primers. All primers based on ribosomal (rDNA) sequences. universal plus‐strand primer (A 0 ) is derived conserved region at 3' end 28S rDNA coding region. Two...
Lyme borreliosis (LB) is a multisystem disease caused by spirochetes in the Borrelia burgdorferisensu lato (Bbsl) genospecies complex. We previously described novel Bbsl (type strain MN14-1420T) that causes LB among patients with exposures to ticks upper midwestern USA. Patients infected demonstrated higher levels of spirochetemia and somewhat differing clinical symptoms as compared those other genospecies. The organism was detected from human specimens using PCR, microscopy, serology...
The primary and secondary structure of the internal transcribed spacers ribosomal DNA (ITS1 ITS2) their utility for phylogenetic analysis closely related species were examined using Anopheles gambiae complex as a model. Restriction mapping revealed an unusual architectural feature in ITS1 several members An. cryptic complex. Multiple spacer lengths are prevalent merus melas due to variable numbers repeated 250 bp sequence. Secondary indicated that repeat forms helix loop may be involved rDNA...
Journal Article Effects of Larval Nutrition, Adult Body Size, and Temperature on the Ability Anopheles gambiae (Diptera: Culicidae) to Melanize Sephadex Beads Get access Chansak Suwanchaichinda, Suwanchaichinda Department Entomology, University Wisconsin-Madison, Madison, WI 53706 Search for other works by this author on: Oxford Academic PubMed Google Scholar Susan M. Paskewitz Medical Volume 35, Issue 2, 1 March 1998, Pages 157–161, https://doi.org/10.1093/jmedent/35.2.157 Published: 01...
We have previously described a novel taxon of the genus Ehrlichia (type strain WisconsinT), closely related to muris, that causes human ehrlichiosis among patients with exposures ticks in upper midwestern USA. DNA from this bacterium was also detected Ixodes scapularis and Peromyscus leucopus collected Minnesota Wisconsin. To determine relationship between E. muris-like agent (EMLA) other species phenotypic, genotypic epidemiologic comparisons were undertaken, including sequence analysis...
Abstract Tick vectors and tick‐borne disease are increasingly impacting human populations globally. An important challenge is to understand tick movement patterns, as this information can be used improve management predictive modelling of population dynamics. Evolutionary analysis genetic divergence, gene flow local adaptation provides insight on patterns at large spatiotemporal scales. We develop low coverage, whole genome resequencing data for 92 blacklegged ticks, Ixodes scapularis ,...
Mobile health (mHealth) technology takes advantage of smartphone features to turn them into research tools, with the potential reach a larger section population in cost-effective manner, compared traditional epidemiological methods. Although mHealth apps have been widely implemented chronic diseases and psychology, their use vector-borne has not yet fully exploited.
Abstract Edible insects offer environmental and nutritional benefits, as they are characteristically nutrient-dense, efficient biotransformers of organic material, emit fewer greenhouse gasses than traditional livestock. Cultivating Tenebrio molitor (yellow mealworm) ‘minilivestock’ is one possible means increasing access to insect protein for food insecure populations. growth nutrient content varies with diet rearing conditions, but little known about the precise impact poor quality...