Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 20 of 80 for “"tick-borne"”.
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Ticks And Tick-Borne Pathogens In North Dakota
<p>In 2010 a statewide survey of ticks and tick-borne pathogens was conducted in North Dakota. Ticks were collected from the four eco-regions in the state by flagging for questing adults and by collecting feeding immature ticks from trapped small mammals. I collected 1762 individual ticks …
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HIJACKING OF CELLULAR PATHWAYS BY NOVEL TICK-BORNE PHLEBOVIRUS
… Syndrome (SFTS) virus is an emerging tick-borne Phlebovirus isolated from patients presenting with hemorrhagic manifestations. Case fatality rates of 12-50% have been reported. Limited information regarding SFTS virus pathogenesis is known. Inhibition of interferon (IFN) responses by …
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THE ECOLOGY OF TICK-BORNE RELAPSING FEVER IN WESTERN NORTH AMERICA
<p>In North America the primary cause of tick-borne relapsing fever (TBRF) is the spirochete <i>Borrelia hermsii</i> that is vectored by the tick <i>Ornithodoros hermsi</i>. Ecological investigations were combined with mathematical modeling and genetics to gain a clearer understanding of the …
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THE ECOLOGY OF TICK-BORNE RELAPSING FEVER IN WESTERN NORTH AMERICA
<p>In North America the primary cause of tick-borne relapsing fever (TBRF) is the spirochete <i>Borrelia hermsii</i> that is vectored by the tick <i>Ornithodoros hermsi</i>. Ecological investigations were combined with mathematical modeling and genetics to gain a clearer understanding of the …
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Tick-borne Diseases: Assessing the Knowledge, Attitudes, and Behaviors of College Students
… Southern Illinois University Carbondale TITLE: TICK-BORNE DISEASES: ASSESSING THE KNOWLEDGE, ATTITUDES, AND BEHAVIORS OF COLLEGE STUDENTS. MAJOR PROFESSOR: Dr. Dhitinut Ratnapradipa Within the last few decades, the prevalence of tick-borne diseases (TBDs) has dramatically increased. Symptoms of …
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Characterisation and analysis of the NS1 gene of tick-borne encephalitis virus
Tick-borne encephalitis virus (TBEV) encodes a highly immunogenic ncnstructural glycoprotein, NS1. The proposed NS1 gene from the TE V strains Neudörfl and K23 was identified, cloned and sequenced. The NS1 gene from the Neudorfl strain of TBEV was then cloned under the powerful constitutive …
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Abiotic and biotic determinants of tick-borne disease risk in Central Panama
As the incidence of tick-borne disease rises globally, the need for comprehensive research into the underlying mechanisms of tick and pathogen distributions becomes increasingly urgent. Hard ticks are ectoparasites that typically feed on a vertebrate host once during each of three life stages and …
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Modeling host responses to tick feeding and tick-borne flavivirus evolution and dispersal
Ixodid ticks are hematophagous arthropods that feed on host animals for an extended period of time. To facilitate feeding, ticks secrete a complex mixture of salivary molecules that inhibit host responses such as coagulation, complement, itch responses, and immune responses. Ticks act as vectors …
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Ecology and molecular epidemiology of tick-borne infection in Kachia Grazing Reserve, Nigeria
Ticks and tick-borne infections (TBIs) are serious veterinary and medical concerns in much of sub-Saharan Africa (SSA). Despite their economic importance, information on the epidemiology of these infections in many SSA countries, including Nigeria, is lacking or inadequate, resulting in potentially …
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Exploration of the spatial epidemiology of tick borne pathogens of livestock in Southern Cumbria
… anddomesticated hosts are of particular concern. Tick-borne pathogens are not only a case in point; butalso their threat is now augmented by increasing tick abundance, changing climate, and theextraordinary nationwide increase in the abundance of deer (that serve as a key host species). The major …
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Tick-borne haemoparasite occurrence and Anaplasma bovis strain diversity in eastern rock sengis (Elephantulus myurus)
… endemic to Africa that are known to have higher tick burdens than other small mammal species. Studies have shown that E. myurus from South Africa harbour an Anaplasma bovis-like strain, a rickettsial pathogen of cattle. Anaplasma bovis infects host monocytes causing monocytic- and bovine …
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Evaluating the Prevalence of Tick-Borne Viruses Circulating in Virginia Using a One-Health Approach
Ticks are hematophagous ectoparasites capable of transmitting various pathogens, including bacteria, protozoa, and viruses, to vertebrates. In the United States, tick-borne pathogens are responsible for around 95% of arthropod-borne diseases. Lyme disease is the most common tick-borne illness. …
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Molecular Detection of Tick-Borne Pathogens Associated With Ixodid Tick Species Infesting Migratory Songbirds and Ruminants
<p>Ticks are hematophagous arthropods and capable of inoculating various infectious agents to their vertebrate hosts. Ticks attached to birds and ruminants are capable of carrying tick-transmitted microorganisms. In our study, the prevalence of tick-borne pathogens was examined in ticks infesting …
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Differential diagnosis of tick-borne diseases and population genetic analysis of Babesia bovis and Babesia bigemina
Abstract: Tick-borne diseases are a constraint to livestock production in many developing countries. They are responsible for high morbidity and mortality resulting in decreased production of meat, milk and other livestock by-products. The most important tick-borne diseases of livestock in …
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Hard ticks and tick-borne pathogens of domestic and wild animals in Maswa and Iringa, Tanzania
참진드기는 체표에 기생하는 정지동물로서 다양한 병원체를 매개한다. 알에서 깨어나 유충, 약충, 성충의 순으로 탈피하며, 알을 제외한 모든 충체는 흡혈을 한다. 아프리카 탄자니아는 아프리카에서 세 번째로 가축이 많은 나라며, 대부분이 소이다. 본 연구는 탄자니아 마스와 지역과 이링가 지역의 소와 야생동물에서 참진드기와 참진드기 매개 병원체를 동정했다. 참진드기를 형태학적 특징에 따라 동정하였고, genomic DNA를 추출해 PCR을 이용해 매개 병원체를 검출하였다. 두 지역에서 소와 야생동물에서 Amblyomma 속 참진드기 …
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Ecologic factors and tick-borne relapsing fever in the western United States: county and zip code analyses
Tick-borne relapsing fever (TBRF) is a rare bacterial disease caused primarily by Borrelia hermsii and Borrelia turicatae in the western United States and transmitted by Ornithodoros species soft ticks. No spatial analyses have been attempted for TBRF, and previous epidemiologic studies were …
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Modeling the Impact Of Environmental Factors, Diapause and Control Strategies on Tick and Tick-Borne Disease Dynamics
… responsible for a wide variety of diseases: ticks. Due to climate change, various tick species are rapidly spreading northward from the United States and have increasingly affected the Canadian population through a variety of tick-borne diseases including Lyme disease. In order to address …
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Wildlife health in human-modified landscapes: epidemiology of tick-borne pathogens affecting black-backed jackals and caracals
… comparisons of body condition, host-attached tick diversity and tick-borne pathogen (TBP) epidemiology of two common mesocarnivore species, the black-backed jackal (Canis mesomelas) and caracal (Caracal caracal). Jackals (n=46) and caracals (n=27) were sampled from small livestock farmlands in …
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Tick-borne haemoparasite prevalence and Theileria parva strain diversity in African buffalo (Syncerus caffer) from northern Botswana and Gonarezhou National Park, Zimbabwe
… anaplasmosis are considered the most important tick-borne diseases of livestock in sub-Saharan Africa, resulting in extensive economic losses to livestock farmers in endemic areas. In this study a variety of tick-borne haemoparasites (Theileria, Babesia, Anaplasma and Ehrlichia species) were …
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