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Molecular detection and phylogenetic characterization of Ehrlichia- and Anaplasma-related genotypes in free-ranging anteaters from southeastern Brazil. [PDF]

Vet Res Commun
Mochiuti JO, Machado MO, da Mota LSLS.
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Persistent Infection with Ehrlichia chaffeensis

Clinical Infectious Diseases, 1993
Although persistent infection of animals by members of the genus Ehrlichia is well known and may be associated with subsequent severe or fatal illness, persistent infection of humans with Ehrlichia chaffeensis has not been reported. Herein we report a typical case of serologically documented acute ehrlichiosis; despite therapy with tetracycline and ...
J S, Dumler, W L, Sutker, D H, Walker
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Identification of the Antigenic Constituents of Ehrlichia chaffeensis

The American Journal of Tropical Medicine and Hygiene, 1994
Ehrlichia chaffeensis, the novel etiologic agent of human ehrlichiosis in the United States, was first isolated in 1990 and reported in 1991. To analyze the antigenic components of E. chaffeensis, we cultivated these obligate intracellular bacteria in DH82 cells, purified the ehrlichiae by renografin density gradient centrifugation, and examined the ...
S M, Chen, J S, Dumler, H M, Feng, D H, Walker   +3 more
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Ehrlichia chaffeensis in Missouri ticks.

The American journal of tropical medicine and hygiene, 1998
A nested polymerase chain reaction specific for Ehrlichia chaffeensis was used to attempt to amplify DNA from extracts of 100 individual ticks collected from 13 counties in central Missouri. Seventeen of 59 Amblyomma americanum and six of 41 Dermacentor variabilis ticks exhibited the characteristic 389-basepair product.
W E, Roland, E D, Everett, T L, Cyr, S Z, Hasan, C B, Dommaraju, G A, McDonald   +5 more
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Ehrlichia chaffeensis and Rochalimaea antibodies in Kawasaki disease

Journal of Clinical Microbiology, 1993
Sera from 38 patients with Kawasaki disease were tested for immunofluorescent antibodies to Ehrlichia chaffeensis, Rochalimaea henselae, and R. quintana Oklahoma. Only 2.5% of the patients tested positive for E. chaffeensis, and 5% were positive for R. henselae and R. quintana Oklahoma. Our data suggest that Ehrlichia and Rochalimaea spp. do not play a
M H, Rathore, L L, Barton, J E, Dawson, R L, Regnery, E M, Ayoub   +4 more
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Fourth Nerve Palsy Caused by Ehrlichia chaffeensis

Journal of Neuro-Ophthalmology, 1997
Two human ehrlichioses occur in the United States: human monocytic ehrlichiosis (HME), which is caused by Ehrlichia chaffeensis that infects mononuclear phagocytes in blood and tissue, and human granulocytic ehrlichiosis (HGE), an infection of granulocytes that is caused by a similar but phylogenetically distinct organism. The clinical features of both
N, Carter, N R, Miller
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Infection Rates ofAmblyomma americanumandDermacentor variabilisbyEhrlichia chaffeensisandEhrlichia ewingiiin Southwest Missouri

Vector-Borne and Zoonotic Diseases, 2002
Both Ehrlichia chaffeensis and Ehrlichia ewingii are causative agents of human ehrlichiosis. Both pathogens are transmitted to humans through the bite of an infected lone star tick (Amblyomma americanum).
Steiert, John G., Gilfoy, Felicia
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Molecular Pathogenesis ofEhrlichia chaffeensisInfection

Annual Review of Microbiology, 2015
Ehrlichia chaffeensis is an obligatory intracellular and cholesterol-dependent bacterium that has evolved special proteins and functions to proliferate inside leukocytes and cause disease. E. chaffeensis has a multigene family of major outer membrane proteins with porin activity and induces infectious entry using its entry-triggering protein to bind ...
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Ehrlichia chaffeensis in Archived Tissues of a White-tailed Deer

Journal of Wildlife Diseases, 1999
White-tailed deer (Odocoileus virginianus) play an integral role in the natural history of Ehrlichia chaffeensis, the causative agent of human monocytic ehrlichiosis (HME). Paraffinized tissues from a white-tailed deer submitted as a diagnostic case to the Southeastern Cooperative Wildlife Disease Study (Athens, Georgia, USA) in October of 198.5 and ...
S E, Little, E W, Howerth
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Prevalence of Ehrlichia chaffeensis and Ehrlichia ewingii in Ticks from Tennessee

Vector-Borne and Zoonotic Diseases, 2010
Human ehrlichiosis is the second most common tick-borne disease reported in Tennessee after Rocky Mountain spotted fever. Two closely related ehrlichiae, Ehrlichia chaffeensis and Ehrlichia ewingii, are both causative agents of human disease and are transmitted by Amblyomma americanum, the lone star tick.
Sara B, Cohen, Michael J, Yabsley, James D, Freye, Brett G, Dunlap, Meghan E, Rowland, Junjun, Huang, John R, Dunn, Timothy F, Jones, Abelardo C, Moncayo   +8 more
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