A5067414368- Vector-borne infectious diseases
- Insect and Pesticide Research
- Insect and Arachnid Ecology and Behavior
- Viral Infections and Vectors
- Vector-Borne Animal Diseases
- Insect Pest Control Strategies
- Study of Mite Species
- Insect symbiosis and bacterial influences
- Insect-Plant Interactions and Control
- Neurobiology and Insect Physiology Research
- Mosquito-borne diseases and control
- Invertebrate Immune Response Mechanisms
- Plant and animal studies
- Animal Ecology and Behavior Studies
- Dermatological diseases and infestations
- Bird parasitology and diseases
- Zoonotic diseases and public health
- Agricultural pest management studies
- Insects and Parasite Interactions
- Wildlife Ecology and Conservation
- Entomological Studies and Ecology
- Antimicrobial Peptides and Activities
- Bat Biology and Ecology Studies
- Allergic Rhinitis and Sensitization
- Biomedical Text Mining and Ontologies
Old Dominion University
2016-2025
Agricultural Research Service
2019-2024
National Institute of Allergy and Infectious Diseases
1964-2024
National Institutes of Health
1965-2024
Beltsville Agricultural Research Center
2018-2024
Vector (United States)
2017-2024
United States Department of Agriculture
2020-2023
Vector Oncology (United States)
2017-2020
Government of the United States of America
2020
North Carolina State University
2009
Abstract Ticks transmit more pathogens to humans and animals than any other arthropod. We describe the 2.1 Gbp nuclear genome of tick, Ixodes scapularis (Say), which vectors that cause Lyme disease, human granulocytic anaplasmosis, babesiosis diseases. The large reflects accumulation repetitive DNA, new lineages retro-transposons, gene architecture patterns resembling ancient metazoans rather pancrustaceans. Annotation scaffolds representing ∼57% genome, reveals 20,486 protein-coding genes...
This study examined the ability of ticks to maintain multiple species spotted fever group rickettsiae via transovarial transmission. Using a capillary feeding method, previously established Rickettsia montana- and rhipicephali-infected cohorts Dermacentor variabilis (Say) were exposed R. rhipicephali montana, respectively, in two reciprocal challenge experiments. Eggs collected from individual females, for successive generations, each cohort assessed rickettsial infection by polymerase chain...
A zoonosis disease can be transmitted to humans from animals. The ecological relationships found exist between tick vectors and pathogens in their zootic cycle profoundly influence these patterns of transmission disease. This book examines the parameters affecting conservation regulation tick-borne zoonoses as well geographic seasonal distributions those infections. Topics covered include population ecology vectors, vector-host pathogen relationships, dissemination dynamics management...
Detailed descriptions, illustrations, and data on hosts distribution of 28 species in 3 genera, as well a key to the larval Argasidae Western Hemisphere, are given. Described new Ornithodoros denmarki, taken or association with sea birds Florida; Jamaica; Trinidad; Raza Calaveras Islands Gulf Baja. California, Mexico; Rabbit Island near Oahu, Hawaii; (). rossi from long-nosed bat, Leptonycteris nivalis (type host), Pima County, Arizona, big brown Eptesicus fuscus, Santa Cruz leaf-nosed...
Ticks are obligate blood feeders. The midgut is the first major region of body where and microbes ingested with meal come in contact tick's internal tissues. Little known about protein expression digestive tract ticks. In this study, for analysis global gene during tick attachment feeding, we generated sequenced 1,679 random transcripts (ESTs) from cDNA libraries midguts female ticks at varying stages feeding. Sequence ESTs resulted identification 835 distinct transcripts, these, a total 82...
(14 wk postinfection), the death rates were 36 and 40% in group A B respectively, compared to 8% noninfected control (Table I). Metacercarial production was high continued for at least 50 days after prepatent period The procedure described appears be valuable useful cultivation of k d ath w re resp ctively, comed no infect aquatic species Lymnaea mass producti n metacercariae Fasciola gigantica. m thod is simple time saving makes possible snails. growth rate juvenile snails fast mortality...
The classification of the genus Ixodes is reviewed and 14 subgenera are recognized: Afrixodes Morel, Alloixodes Černy, Ceratixodes Neumann, Endopalpiger Schulze, Eschatocephalus Frauenfeld (=Pomerantzevella Feider, NEW SYNONYM [n. syn.]), Exopalpiger Schulze (=Arthuriella Santos Dias, n. syn.), Haemixodes Kohls & Clifford, Latreille (=Trichotoixodes Reznik, Lepidixodes MULTIDENTATUS, subgen. (type laysanensis Wilson), Partipalpiger Hoogstraal, Saito, Keirans, Pholeoixodes (=Ixodiopsis...
Amblyomma americanum (L.) is a human-biting ixodid tick distributed throughout much of the southeastern United States. Rickettsia parkeri member spotted fever group rickettsiae and causes febrile illness in humans commonly referred to as "Tidewater fever" or "R. rickettsiosis." Although Gulf Coast tick, maculatum Koch, primary vector R. parkeri, small proportion A. have also been shown harbor parkeri. The purpose this investigation was determine whether spilling over into eastern Virginia...
Abstract Extracellular vesicles are thought to facilitate pathogen transmission from arthropods humans and other animals. Here, we reveal that spreading the mammalian host is multifaceted. Ixodes scapularis enable tick feeding promote infection of mildly virulent rickettsial agent Anaplasma phagocytophilum through SNARE proteins Vamp33 Synaptobrevin 2 dendritic epidermal T cells. However, extracellular Dermacentor andersoni mitigate microbial caused by lethal Francisella tularensis ....
The blacklegged tick, Ixodes scapularis Say, transmits the Lyme disease spirochete Borrelia burgdorferi, whereas American dog Dermacentor variabilis (Say), is unable to transmit bacterium. We compared innate immune response of these ticks against spirochetes directly inoculated into hemocoel cavity ticks. In I. scapularis, some were found associated with hemocytes, while numerous other spiral-shaped, intact bacteria remained free in hemolymph. contrast, D. only remnants evident hemolymph,...
Journal Article The Systematics of the Subfamily Ornithodorinae (Acarina: Argasidae). I. Genera and Subgenera Get access Carleton M. Clifford, Clifford 2U. S. Department Health, Education, Welfare, Public Health Service. National Institutes Institute Allergy Infectious Diseases, Rocky Mountain Laboratory, Hamilton, Montana Search for other works by this author on: Oxford Academic Google Scholar Glen Kohls, Kohls Daniel E. Sonenshine 3Biology Department, Old Dominion College, Norfolk 8,...
Vector transmission of Rickettsia prowazekii among wild flying squirrels, Glaucomys volans, was suggested by the occurrence natural infection squirrel lice and fleas. Lice, mostly Neohaematopinus sciuropteri Osburn, were found infected in fall each 2 consecutive years; 4 8 pools this insect tested infected. Fleas, Orchopeas howardii (Baker), on two occasions 1 years. However, only 14 flea No evidence mites, Haemogamasus reidi Ewing Androlaelaps fahrenholzi (Berlese). These findings implicate...