Results 171 to 180 of about 4,003 (214)

What's in a Name? How Useful is Current Rickettsial Taxonomy and Is Revision of Nomenclature Needed? [PDF]

Am J Trop Med Hyg
Dumler JS, Walker DH.
europepmc   +1 more source

Evaluation of Haemaphysalis leporispalustris (Acari: Ixodidae) biology and infection for Rickettsia rickettsii (Rickettsiales: Rickettsiaceae) using domestic rabbit as host

, 2007
Luciana Crispim Brasuschi [UNIFESP] Freitas
openalex   +1 more source

Wild mammals as hosts of <i>Rickettsia</i>: a molecular evidence-based review. [PDF]

Int J Parasitol Parasites Wildl
Perec-Matysiak A, Buńkowska-Gawlik K, Tomassone L, Hildebrand J.   +3 more
europepmc   +1 more source

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Plaque Assay for Rickettsia rickettsii

Journal of Bacteriology, 1969
A plaque technique for the assay of Rickettsia rickettsii is described. The method employs primary chick or green monkey kidney monolayer cell cultures with either an agarose or special Noble agar overlay. Plaques were counted in 6 days and resultant titers correlated well with ld 50
E H, Weinberg, J R, Stakebake, P J, Gerone   +2 more
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Rickettsia rickettsii in Rhipicephalus Ticks, Mexicali, Mexico

Journal of Medical Entomology, 2011
Circulation of a unique genetic type of Rickettsia rickettsii in ticks of the Rhipicephalus sanguineus complex was detected in Mexicali, Baja California, Mexico. The Mexican R. rickettsii differed from all isolates previously characterized from the endemic regions of Rocky Mountain spotted fever in northern, central, and southern Americas ...
Marina E, Eremeeva, Maria L, Zambrano, Luis, Anaya, Lorenza, Beati, Sandor E, Karpathy, Maria Margarida, Santos-Silva, Beatriz, Salceda, Donald, MacBeth, Hector, Olguin, Gregory A, Dasch, Celia Alpuche, Aranda   +10 more
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Rickettsia rickettsii and Rickettsia montana from Ixodid Ticks in Connecticut

The American Journal of Tropical Medicine and Hygiene, 1986
Dermacentor variabilis, infected with spotted fever group rickettsiae, parasitized 8 of 70 raccoons captured in Newtown, Connecticut. The spotted fever agent, Rickettsia rickettsii, was isolated and identified from 4 adult D. variabilis and from 1 nymphal Ixodes texanus removed from raccoons.
J F, Anderson, L A, Magnarelli, R N, Philip, W, Burgdorfer   +3 more
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In Vitro Sensitivity of Rickettsia rickettsii to Doxycycline

Journal of Infectious Diseases, 1982
Legend. Dose response of Rickettsia rickettsii (strain Sheila Smith [SS]) to doxycycline by a plaque-reduction method [1]. Doxycycline hyclate (concentration, 850 ,ig/mg; Pfizer Laboratories, New York) was incorporated at various concentrations into an agarose overlay medium in 35-mm plastic petri dishes that contained a monolayer of chicken embryo ...
C L, Wisseman, A, Waddell
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Characterization of Monoclonal Antibodies Protecting Mice against Rickettsia rickettsii

Journal of Infectious Diseases, 1985
Hybridomas producing monoclonal antibodies to Rickettsia rickettsii were prepared from mice to investigate the function of rickettsial antigens. Of the 31 reactive hybridoma lines thus far tested for immunoglobulin subclasses, 11 belonged to the IgG2A subclass, 9 to the IgG2B subclass, and 7 to the IgG3 subclass; four did not react with any of the ...
R L, Anacker, R H, List, R E, Mann, S F, Hayes, L A, Thomas   +4 more
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THORACIC RADIOGRAPHIC FINDINGS IN DOGS INFECTED WITH RICKETTSIA RICKETTSII

Veterinary Radiology & Ultrasound, 1997
Sixteen beagle dogs were injected intradermally withRickettsia rickettsii.The dogs were divided into four groups (n=4):1) infected, non‐treated withdoxycycline;3) infected, treated with doxycycline and an anti‐inflammatory dose of corticosteroid;4) infected, treated with ocular fluoresein angiograhphy was performed on days 6, 10, 17 post‐inoculatin.A ...
W T, Drost, C R, Berry, E B, Breitschwerdt, M G, Davidson   +3 more
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