Results 61 to 70 of about 9,793 (167)

Ehrlichia chaffeensis Infections in Drosophila melanogaster [PDF]

Infection and Immunity, 2009
ABSTRACT Ehrlichia chaffeensis is an obligate, intracellular bacterium, transmitted by the tick Amblyomma americanum , and is the causative agent of human monocytic ehrlichiosis infections. We previously demonstrated that E. chaffeensis is capable of growing in
Alison, Luce-Fedrow, Tonia, Von Ohlen, Stephen K, Chapes   +2 more
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Ehrlichia chaffeensis replication sites in adult Drosophila melanogaster [PDF]

International Journal of Medical Microbiology, 2013
Ehrlichia chaffeensis is a Gram-negative, obligate intracellular bacterium which causes the tick-borne disease human monocytic ehrlichiosis. In vertebrates, E. chaffeensis replicates in monocytes and macrophages. However, no clear cell or tissue tropism has been defined in arthropods. Our group identified two host genes that control E.
Rishi, Drolia, Tonia, Von Ohlen, Stephen K, Chapes   +2 more
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Experimental infection of Rhipicephalus sanguineus with Ehrlichia chaffeensis [PDF]

Veterinary Microbiology, 2014
Ehrlichia chaffeensis, the etiologic agent of human monocytic ehrlichiosis, is a tick-borne rickettsial pathogen that is infective to a wide range of mammals, including dogs and people. Amblyomma americanum, the lone star tick, is considered the primary vector of E.
Ryan T. Stoffel, Jennifer C. McClure, Marion M. Butcher, Gayle C. Johnson, Will Roland, Chuanmin Cheng, Kamesh R. Sirigireddy, Roman Ganta, Kirstin Boughan, S.A. Ewing, Roger W. Stich   +10 more
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PERSISTENT EHRLICHIA CHAFFEENSIS INFECTION IN WHITE-TAILED DEER [PDF]

Journal of Wildlife Diseases, 2001
Four white-tailed deer (Odocoileus virginianus) were inoculated intravenously with a deer-origin isolate (15B-WTD-GA) of Ehrlichia chaffeensis. The course of infection was monitored using indirect fluorescent antibody (IFA), polymerase chain reaction (PCR), and culture over a 9 m period. All deer became rickettsemic within 24 days post inoculation (DPI)
W R, Davidson, J M, Lockhart, D E, Stallknecht, E W, Howerth, J E, Dawson, Y, Rechav   +5 more
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Tick-borne ehrlichiosis infection in human beings [PDF]

Journal of Vector Borne Diseases, 2008
Human monocytic ehrlichiosis is a tick-borne infectious disease transmitted by several tick species, especially Amblyomma spp caused by Ehrlichia chaffeensis. E. chaffeensis is an obligatory intracellular, tick-transmitted bacterium that is maintained in
S. Ganguly, S.K. Mukhopadhayay
doaj  

EtpE Binding to DNase X Induces Ehrlichial Entry via CD147 and hnRNP-K Recruitment, Followed by Mobilization of N-WASP and Actin

mBio, 2015
Obligate intracellular bacteria, such as Ehrlichia chaffeensis, perish unless they can enter eukaryotic cells. E. chaffeensis is the etiological agent of human monocytic ehrlichiosis, an emerging infectious disease.
Dipu Mohan Kumar, Mingqun Lin, Qingming Xiong, Mathew James Webber, Comert Kural, Yasuko Rikihisa   +5 more
doaj   +1 more source

Lack of Seroreactivity to Ehrlichia chaffeensis Among Rodent Populations [PDF]

Journal of Wildlife Diseases, 1998
A retrospective serosurvey for antibodies to Ehrlichia chaffeensis was conducted on eight species of wild rodents (Mus musculus, Oryzomys palustris, Peromyscus leucopus, Rattus norvegicus, Reithrodontomys humulis, Sciurus carolinensis, Sciurus niger, and Sigmodon hispidus) from the southeastern United States.
J M, Lockhart, W R, Davidson, D E, Stallknecht, J E, Dawson   +3 more
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Seroprevalence of Ehrlichia canis, Ehrlichia chaffeensis and Ehrlichia ewingii in dogs in North America [PDF]

Parasites & Vectors, 2012
This study evaluated the exposure of dogs to three different Ehrlichia spp. in the south and central regions of the United States where vector-borne disease prevalence has been previously difficult to ascertain, particularly beyond the metropolitan areas.Dog blood samples (n = 8,662) were submitted from 14 veterinary colleges, 6 private veterinary ...
Beall Melissa J, Alleman A Rick, Breitschwerdt Ed B, Cohn Leah A, Couto C Guillermo, Dryden Michael W, Guptill Lynn C, Iazbik Cristina, Kania Stephen A, Lathan Patty, Little Susan E, Roy Alma, Sayler Katherine A, Stillman Brett A, Welles Elizabeth G, Wolfson Wendy, Yabsley Michael J   +16 more
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An Entry-Triggering Protein of Ehrlichia Is a New Vaccine Candidate against Tick-Borne Human Monocytic Ehrlichiosis

mBio, 2020
Ehrlichia chaffeensis is an obligatory intracellular bacterium that causes human monocytic ehrlichiosis, an emerging disease transmitted by the Lone Star tick, Amblyomma americanum. E.
Khemraj Budachetri, Omid Teymournejad, Mingqun Lin, Qi Yan, Mariella Mestres-Villanueva, Guy Nathaniel Brock, Yasuko Rikihisa   +6 more
doaj   +1 more source

Glycosylation of Homologous Immunodominant Proteins of Ehrlichia chaffeensis and Ehrlichia canis [PDF]

Infection and Immunity, 2000
ABSTRACT The glycoprotein genes of Ehrlichia chaffeensis (1,644 bp) and Ehrlichia canis (2,064 bp) encode proteins of 548 to 688 amino acids with predicted molecular masses of only 61 and 73 kDa but with electrophoretic mobilities of 120 kDa (P120) and 140 kDa (P140), respectively ...
J W, McBride, X J, Yu, D H, Walker
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