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Showing 1 to 20 of 47 for “"Amblyomma"”.

  1. Characterization of rickettsial infection dynamics within Dermacentor variabilis and Amblyomma maculatum

    Harris, Emma KateVeterinary Medical Sciences - Pathobiological Sciences2022

    … To this end, Dermacentor variabilis and Amblyomma maculatum ticks were exposed to R. rickettsii, R. parkeri, R. montanensis, R. amblyommii or R. felis. Rickettsial exposure negatively impacted the fitness of A. maculatum, but not D. variabilis. Transovarial and transtadial transmission of …

    lsu-thes Repository record

  2. Tick Control Methods for <i>Amblyomma americanum</i> in Virginia: Applications and Modeling

    White, Alexis Lynn2022

    … currently exists. The lone star tick, <em>Amblyomma americanum</em>, is an aggressive human-biting tick and vector of several pathogens which effect both humans and other animals. Standard control methods do not work as well for<em> A. americanum</em> as they do for the more commonly …

    odu Repository record

  3. Genetic Structure of Amblyomma Cajennense (Acari: Ixodidae) Populations Based on Mitochondrial Gene Sequences

    Burkman, Erica Janelle2013

    Amblyomma cajennense (Fabricius, 1787) (Acari: Ixodidae) is a common tick species that has a large geographic distribution from the southern regions of the United States (Texas), to the Caribbean Islands, Central, and South America. This tick is a vector of the agent of Brazilian spotted fever, an …

    gsu Repository record

  4. Helping to Resolve Taxonomic Conflicts within the Genus Amblyomma (Acari:Ixodidae) from a Molecular Perspective

    Lado, Paula2016

    … sought to reassess the taxonomic status of <em>Amblyomma parvum </em>Aragao, 1908 and of the <em>A. maculatum </em>group of ticks Camicas, 1998. By using different molecular markers, 12SrDNA, 16SrDNA, DL, COI, COII (mitochondrial) and ITS2 (nuclear), I analyzed the systematic relationships …

    gsu Repository record

  5. Abiotic Factors Contributing to the Survival of Three Tick Species in Southeastern Virginia, <i>Amblyomma Americanum</i> (Lone Star Tick), <i>Dermacentor Variabilis</i> (American Dog Tick), and <i>Amblyomma Maculatum</i> (Gulf Coast Tick)

    Bidder, Lindsey A.2019

    <p><em>Amblyomma americanum</em>, <em>Amblyomma maculatum</em>, and <em>Dermacentor variabilis</em> are hard-bodied ticks in the Hampton Roads area of southeastern Virginia. This study consisted of two field projects focused on these tick species. To estimate the off-host survival of local tick …

    odu Repository record

  6. Success and fecundity of Amblyomma americanum (L.) on Brahman, Hereford, and Brahman x Hereford crossbred heifers

    Garris, Glen IrwinOklahoma State University1979

    okstate Repository record

  7. Infection Rates of Amblyomma Americanum and Dermacentor Variablis by Francisella Tularensis and Borrelia Lonestari in Southwest Missouri

    Norton, Jacob Rhy

    … to humans through the bite of an infected Amblyomma americanum tick or Dermacentor variabilis tick, while the primary vector of B. lonestari appears to be only A. americanum. The purpose of this study was to determine the overall infection rates of these two bacterial pathogens and to …

    mo-state Repository record

  8. Rates of Infection of Amblyomma Americanum and Dermacentor Variabilis By Borrelia Burgdorferi and Borrelia Lonestari in Southwest Missouri

    Wells, Richard Dean

    … from southwest Missouri. A total of 433 ticks (Amblyomma americanum and Dermacentor variabilis) were collected during the summer of 2011. DNA was extracted from individual adult ticks and pools of 5 nymphs. A PCR assay was used for the detection of Borrelia spp Tick samples that tested positive …

    mo-state Repository record

  9. Characterization of the Bacterial Microbiome of Exotic Tick Species Collected from Migratory Birds

    Sen, Raima2023

    … was 20,153. Collected ticks belonged to <em>Amblyomma, Ixodes,</em> and <em>Haemaphysalis</em> genera; their bacteriome was predominantly dominated by <em>Francisella, </em>with a varying abundance of <em>Rickettsia, Candidatus Midichloria mitochondrii </em>and<em> Cutibacterium …

    usm Repository record

  10. Discovery and Molecular Characterization of Selenoprotein M in the Salivary Glands of <i>Amblyomma maculatum</i>, the Gulf Coast Tick

    Singh, Parul2018

    <p>The Gulfcoast ticks transmit disease-causing pathogens to humans and animals. <em>Rickettsia parkeri</em> is notable among the pathogens transmitted by <em>A. maculatum</em> to humans. Heavy infestations of <em>A. maculatum</em> on animal ears cause them to become thickened and curled, a …

    usm Repository record

  11. Characterization of Hemocytes in Amblyomma americanum and Investigation of TRAF6’s Role in Proliferation of Hemocytes in Response to Infection

    May, Jacquelyn T2022

    <p><em>Amblyomma americanum</em> is a medically important vector in the southeast United States. Cellular and molecular aspects of the immune system of this species were examined. To investigate cellular processes, hemocytes produced in response to gram-negative infection were characterized …

    sfasu Repository record

  12. Rede de interação proteína-proteína na relação entre Rickettsia amblyommatis e células do intestino e ovário de Amblyomma sculptum (Berlese, 1888)

    Dias, Raquel Xavier LigeiroUniversidade Federal de Viçosa2020

    … codificadas do genoma da bactéria Rickettsia amblyommatis e do carrapato Ixodes scapularis. Com o alinhamento das sequências proteicas identificadas, conforme preconizado por diferentes bancos de interações (PSIMAP, iPfam, STRING e PEIMAP), obteve-se uma rede consenso após a normalização dos …

    brazil-ufv Repository record

  13. Efficacy of fipronil against Amblyomma hebraeum ticks on boer goats and detection of Ehrlichia ruminantium in ticks in Limpopo Province, South Africa

    University of Pretoria2018

    … Heartwater is endemic in this region where Amblyomma hebraeum, the South African bont tick and the vector for this disease occurs. Due to their long mouthparts and specific attachment sites on goats, A. hebraeum is also associated with wounds, secondary abscess formation and lameness. Small …

    pretoria Repository record

  14. An Insight Into the Microbial Diversity and Expression of Cysteine Protease Inhibitors (Cystatin) in <i>Rickettsia parkeri</i> Infected <i>Amblyomma maculatum</i>

    Budachetri, Khemraj2017

    <p><em>Amblyomma maculatum</em> (Gulf Coast tick) is an emerging tick species of public health significance in United States. It is a competent vector of <em>Rickettsia parkeri</em>, an etiological agent of a human rickettsiosis. In this study, we investigated the spotted fever group of rickettsial …

    usm Repository record

  15. Determining the Prevalence and Distribution of Tick-Borne Pathogens in Southeastern Virginia and Exploring the Transmission Dynamics of Rickettsia Parkeri in Amblyomma Maculatum

    Wright Thompson, Chelsea L.2015

    … of Rickettsia parkeri within its vector, Amblyomma maculatum. Although some rickettsiae are transovarially transmitted in ticks, little is known about the frequency and efficiency of this transmission route, and nothing is known regarding the transmission strategy of R. parkeri in A. …

    odu Repository record

  16. Comparative determination of tick burden and diversity in intensively managed wildlife estates under those with and without prescribed burning.

    Maambo, BhagoosThe University of Zambia2022

    … pulcherus, Rhipicephalus zambeziensis); Amblyomma species (n=2), (Amblyomma variagatum, Amblyomma poposum), and Hyalomma species (n=2) (Hyalomma Rufipes and Hyalomma truncatum). The most common species were R. evertsi (19.4 %), Amblyomma variagatum (14%), and Hyalomma truncatum (11%). The …

    zambia Repository record

  17. Investigations into the vector competency of arthropods for two Ehrlichias: Ehrlichia risticii and Cowdria ruminantium

    Hahn, NinaVirginia Tech1990

    … agent of Potomac horse fever (PHF) and <i>Amblyomma variegatum</i> for <i>Cowdria ruminantium</i>, causative agent of heartwater, are described. <i>Dermacentor variabilis, Rhipicephalus sanguineus, Amblyomma americanum and Ixodes scapularis</i> ticks were investigated for their ability to …

    vt Repository record

  18. Ecology and Climate Tolerance of Emerging Tick Disease Vectors in Central Appalachia/Southwestern Virginia

    Whitlow, Amanda MarieVirginia Tech2021

    … invasive, including Haemaphysalis longicornis, Amblyomma americanum, and Amblyomma maculatum, were examined through a combination of laboratory and field experiments. Amblyomma americanum and H. longicornis nymphal ticks had a lower supercooling temperature than adult ticks, suggesting their …

    vt Repository record

  19. Bionomics of vector-borne diseases in sites adjacent to lakes Victoria and Baringo in Kenya

    Ouma, David OmondiUniversity of the Western Cape2016

    … agents of ehrlichiosis were detected from Amblyomma and Rhipicephalus ticks including Ehrlichia ruminantium (12.3%), Ehrichia canis (10.5%) and Paracoccus sp. (4.4%). Agents of anaplasmosis included Anaplasma ovis (7.2%), Anaplasma platys (4.4%) and Anaplasma bovis (4.0%), all from …

    western-cape Repository record

  20. Molecular Detection of Tick-Borne Pathogens Associated With Ixodid Tick Species Infesting Migratory Songbirds and Ruminants

    Mukherjee, Nabanita2018

    … songbirds in Louisiana and identified as Amblyomma Jongirostre, Amblyomma nodosum, Amb/yomma ca/caratum, Amblyomma maculatum, and Haemaphysalis species, all are considered as Neotropical ticks. Ticks removed from ruminants were identified as Hya/omma anatolicum, Hyalomma dromedarii, …

    usm Repository record

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